--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefix=X86 --check-prefix=X86-NOSSE
+; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86 --check-prefix=X86-SSE2
+
+; This tests codegen time inlining/optimization of memcmp
+; rdar://6480398
+
+@.str = private constant [65 x i8] c"0123456789012345678901234567890123456789012345678901234567890123\00", align 1
+
+declare dso_local i32 @memcmp(i8*, i8*, i32)
+
+define i32 @length2(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length2:
+; X86: # %bb.0:
+; X86-NEXT: pushl $2
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ ret i32 %m
+}
+
+define i1 @length2_eq(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length2_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: cmpw (%eax), %cx
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_eq_const(i8* %X) nounwind minsize {
+; X86-LABEL: length2_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: cmpw $12849, (%eax) # imm = 0x3231
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 1), i32 2) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length2_eq_nobuiltin_attr:
+; X86: # %bb.0:
+; X86-NEXT: pushl $2
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind nobuiltin
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length3(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length3:
+; X86: # %bb.0:
+; X86-NEXT: pushl $3
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 3) nounwind
+ ret i32 %m
+}
+
+define i1 @length3_eq(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length3_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $3
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 3) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length4(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length4:
+; X86: # %bb.0:
+; X86-NEXT: pushl $4
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ ret i32 %m
+}
+
+define i1 @length4_eq(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length4_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: cmpl (%eax), %ecx
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length4_eq_const(i8* %X) nounwind minsize {
+; X86-LABEL: length4_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 1), i32 4) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length5(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length5:
+; X86: # %bb.0:
+; X86-NEXT: pushl $5
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 5) nounwind
+ ret i32 %m
+}
+
+define i1 @length5_eq(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length5_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $5
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 5) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length8(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length8:
+; X86: # %bb.0:
+; X86-NEXT: pushl $8
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 8) nounwind
+ ret i32 %m
+}
+
+define i1 @length8_eq(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length8_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $8
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 8) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length8_eq_const(i8* %X) nounwind minsize {
+; X86-LABEL: length8_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $8
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 8) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length12_eq(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length12_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $12
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 12) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length12(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length12:
+; X86: # %bb.0:
+; X86-NEXT: pushl $12
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 12) nounwind
+ ret i32 %m
+}
+
+; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329
+
+define i32 @length16(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length16:
+; X86: # %bb.0:
+; X86-NEXT: pushl $16
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 16) nounwind
+ ret i32 %m
+}
+
+define i1 @length16_eq(i8* %x, i8* %y) nounwind minsize {
+; X86-NOSSE-LABEL: length16_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $16
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length16_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu (%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
+; X86-SSE2-NEXT: pmovmskb %xmm1, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 16) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length16_eq_const(i8* %X) nounwind minsize {
+; X86-NOSSE-LABEL: length16_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $16
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length16_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 16) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914
+
+define i32 @length24(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length24:
+; X86: # %bb.0:
+; X86-NEXT: pushl $24
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 24) nounwind
+ ret i32 %m
+}
+
+define i1 @length24_eq(i8* %x, i8* %y) nounwind minsize {
+; X86-LABEL: length24_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $24
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 24) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length24_eq_const(i8* %X) nounwind minsize {
+; X86-LABEL: length24_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $24
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 24) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length32(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length32:
+; X86: # %bb.0:
+; X86-NEXT: pushl $32
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 32) nounwind
+ ret i32 %m
+}
+
+; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325
+
+define i1 @length32_eq(i8* %x, i8* %y) nounwind minsize {
+; X86-LABEL: length32_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $32
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 32) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length32_eq_const(i8* %X) nounwind minsize {
+; X86-LABEL: length32_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $32
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 32) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length64(i8* %X, i8* %Y) nounwind minsize {
+; X86-LABEL: length64:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 64) nounwind
+ ret i32 %m
+}
+
+define i1 @length64_eq(i8* %x, i8* %y) nounwind minsize {
+; X86-LABEL: length64_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 64) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length64_eq_const(i8* %X) nounwind minsize {
+; X86-LABEL: length64_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 64) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefix=X86 --check-prefix=X86-NOSSE
-; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86 --check-prefix=X86-SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 --check-prefix=X64-SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX --check-prefix=X64-AVX1
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX --check-prefix=X64-AVX2
declare dso_local i32 @memcmp(i8*, i8*, i64)
define i32 @length2(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length2:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $2
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length2:
; X64: # %bb.0:
; X64-NEXT: pushq $2
}
define i1 @length2_eq(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length2_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: cmpw (%eax), %cx
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq_const(i8* %X) nounwind minsize {
-; X86-LABEL: length2_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: cmpw $12849, (%eax) # imm = 0x3231
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq_const:
; X64: # %bb.0:
; X64-NEXT: cmpw $12849, (%rdi) # imm = 0x3231
}
define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length2_eq_nobuiltin_attr:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $2
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq_nobuiltin_attr:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length3(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length3:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $3
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length3:
; X64: # %bb.0:
; X64-NEXT: pushq $3
}
define i1 @length3_eq(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length3_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $3
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length3_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length4(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length4:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $4
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length4:
; X64: # %bb.0:
; X64-NEXT: pushq $4
}
define i1 @length4_eq(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length4_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: cmpl (%eax), %ecx
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length4_eq:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length4_eq_const(i8* %X) nounwind minsize {
-; X86-LABEL: length4_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length4_eq_const:
; X64: # %bb.0:
; X64-NEXT: cmpl $875770417, (%rdi) # imm = 0x34333231
}
define i32 @length5(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length5:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $5
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length5:
; X64: # %bb.0:
; X64-NEXT: pushq $5
}
define i1 @length5_eq(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length5_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $5
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length5_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length8(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length8:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $8
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length8:
; X64: # %bb.0:
; X64-NEXT: pushq $8
}
define i1 @length8_eq(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length8_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $8
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length8_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length8_eq_const(i8* %X) nounwind minsize {
-; X86-LABEL: length8_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $8
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length8_eq_const:
; X64: # %bb.0:
; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130
}
define i1 @length12_eq(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length12_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $12
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length12_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length12(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length12:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $12
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length12:
; X64: # %bb.0:
; X64-NEXT: pushq $12
; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329
define i32 @length16(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length16:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $16
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
;
; X64-LABEL: length16:
; X64: # %bb.0:
}
define i1 @length16_eq(i8* %x, i8* %y) nounwind minsize {
-; X86-NOSSE-LABEL: length16_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $16
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length16_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu (%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
-; X86-SSE2-NEXT: pmovmskb %xmm1, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length16_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rsi), %xmm0
}
define i1 @length16_eq_const(i8* %X) nounwind minsize {
-; X86-NOSSE-LABEL: length16_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $16
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length16_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length16_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914
define i32 @length24(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length24:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $24
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length24:
; X64: # %bb.0:
; X64-NEXT: pushq $24
}
define i1 @length24_eq(i8* %x, i8* %y) nounwind minsize {
-; X86-LABEL: length24_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $24
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length24_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length24_eq_const(i8* %X) nounwind minsize {
-; X86-LABEL: length24_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $24
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length24_eq_const:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length32(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length32:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $32
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length32:
; X64: # %bb.0:
; X64-NEXT: pushq $32
; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325
define i1 @length32_eq(i8* %x, i8* %y) nounwind minsize {
-; X86-LABEL: length32_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $32
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE2-LABEL: length32_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: pushq %rax
}
define i1 @length32_eq_const(i8* %X) nounwind minsize {
-; X86-LABEL: length32_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $32
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE2-LABEL: length32_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: pushq %rax
}
define i32 @length64(i8* %X, i8* %Y) nounwind minsize {
-; X86-LABEL: length64:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length64:
; X64: # %bb.0:
; X64-NEXT: pushq $64
}
define i1 @length64_eq(i8* %x, i8* %y) nounwind minsize {
-; X86-LABEL: length64_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length64_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length64_eq_const(i8* %X) nounwind minsize {
-; X86-LABEL: length64_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length64_eq_const:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; NOTE: This is a copy of llvm/test/CodeGen/X86/memcmp.ll with more load pairs. Please keep it that way.
+; RUN: llc -max-loads-per-memcmp=4 -memcmp-num-loads-per-block=4 < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefixes=X86,X86-NOSSE
+; RUN: llc -max-loads-per-memcmp=4 -memcmp-num-loads-per-block=4 < %s -mtriple=i686-unknown-unknown -mattr=+sse | FileCheck %s --check-prefixes=X86,X86-SSE1
+; RUN: llc -max-loads-per-memcmp=4 -memcmp-num-loads-per-block=4 < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=X86,X86-SSE2
+; RUN: llc -max-loads-per-memcmp=4 -memcmp-num-loads-per-block=4 < %s -mtriple=i686-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefixes=X86,X86-SSE41
+
+; This tests codegen time inlining/optimization of memcmp
+; rdar://6480398
+
+@.str = private constant [513 x i8] c"01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901\00", align 1
+
+declare dso_local i32 @memcmp(i8*, i8*, i32)
+
+define i32 @length0(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length0:
+; X86: # %bb.0:
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 0) nounwind
+ ret i32 %m
+ }
+
+define i1 @length0_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length0_eq:
+; X86: # %bb.0:
+; X86-NEXT: movb $1, %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 0) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length0_lt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length0_lt:
+; X86: # %bb.0:
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 0) nounwind
+ %c = icmp slt i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length2(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length2:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: movzwl (%eax), %edx
+; X86-NEXT: rolw $8, %cx
+; X86-NEXT: rolw $8, %dx
+; X86-NEXT: movzwl %cx, %eax
+; X86-NEXT: movzwl %dx, %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ ret i32 %m
+}
+
+define i1 @length2_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length2_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: cmpw (%eax), %cx
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_lt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length2_lt:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: movzwl (%eax), %edx
+; X86-NEXT: rolw $8, %cx
+; X86-NEXT: rolw $8, %dx
+; X86-NEXT: movzwl %cx, %eax
+; X86-NEXT: movzwl %dx, %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ %c = icmp slt i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_gt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length2_gt:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: movzwl (%eax), %eax
+; X86-NEXT: rolw $8, %cx
+; X86-NEXT: rolw $8, %ax
+; X86-NEXT: movzwl %cx, %ecx
+; X86-NEXT: movzwl %ax, %eax
+; X86-NEXT: subl %eax, %ecx
+; X86-NEXT: testl %ecx, %ecx
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ %c = icmp sgt i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_eq_const(i8* %X) nounwind {
+; X86-LABEL: length2_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movzwl (%eax), %eax
+; X86-NEXT: cmpl $12849, %eax # imm = 0x3231
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 1), i32 2) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length2_eq_nobuiltin_attr:
+; X86: # %bb.0:
+; X86-NEXT: pushl $2
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind nobuiltin
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length3(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length3:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movzwl (%eax), %edx
+; X86-NEXT: movzwl (%ecx), %esi
+; X86-NEXT: rolw $8, %dx
+; X86-NEXT: rolw $8, %si
+; X86-NEXT: cmpw %si, %dx
+; X86-NEXT: jne .LBB9_3
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movzbl 2(%eax), %eax
+; X86-NEXT: movzbl 2(%ecx), %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+; X86-NEXT: .LBB9_3: # %res_block
+; X86-NEXT: setae %al
+; X86-NEXT: movzbl %al, %eax
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 3) nounwind
+ ret i32 %m
+}
+
+define i1 @length3_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length3_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %edx
+; X86-NEXT: xorw (%eax), %dx
+; X86-NEXT: movb 2(%ecx), %cl
+; X86-NEXT: xorb 2(%eax), %cl
+; X86-NEXT: movzbl %cl, %eax
+; X86-NEXT: orw %dx, %ax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 3) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length4(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length4:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: seta %al
+; X86-NEXT: sbbl $0, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ ret i32 %m
+}
+
+define i1 @length4_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length4_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: cmpl (%eax), %ecx
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length4_lt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length4_lt:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: seta %al
+; X86-NEXT: sbbl $0, %eax
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ %c = icmp slt i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length4_gt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length4_gt:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: movl (%eax), %eax
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %eax
+; X86-NEXT: xorl %edx, %edx
+; X86-NEXT: cmpl %eax, %ecx
+; X86-NEXT: seta %dl
+; X86-NEXT: sbbl $0, %edx
+; X86-NEXT: testl %edx, %edx
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ %c = icmp sgt i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length4_eq_const(i8* %X) nounwind {
+; X86-LABEL: length4_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 1), i32 4) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length5(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length5:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: movl (%ecx), %esi
+; X86-NEXT: bswapl %edx
+; X86-NEXT: bswapl %esi
+; X86-NEXT: cmpl %esi, %edx
+; X86-NEXT: jne .LBB16_3
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movzbl 4(%eax), %eax
+; X86-NEXT: movzbl 4(%ecx), %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+; X86-NEXT: .LBB16_3: # %res_block
+; X86-NEXT: setae %al
+; X86-NEXT: movzbl %al, %eax
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 5) nounwind
+ ret i32 %m
+}
+
+define i1 @length5_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length5_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: movb 4(%ecx), %cl
+; X86-NEXT: xorb 4(%eax), %cl
+; X86-NEXT: movzbl %cl, %eax
+; X86-NEXT: orl %edx, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 5) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length5_lt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length5_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: movl (%ecx), %esi
+; X86-NEXT: bswapl %edx
+; X86-NEXT: bswapl %esi
+; X86-NEXT: cmpl %esi, %edx
+; X86-NEXT: jne .LBB18_3
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movzbl 4(%eax), %eax
+; X86-NEXT: movzbl 4(%ecx), %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: jmp .LBB18_2
+; X86-NEXT: .LBB18_3: # %res_block
+; X86-NEXT: setae %al
+; X86-NEXT: movzbl %al, %eax
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB18_2: # %endblock
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 5) nounwind
+ %c = icmp slt i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length7(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length7:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT: movl (%esi), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB19_2
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movl 3(%esi), %ecx
+; X86-NEXT: movl 3(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: je .LBB19_3
+; X86-NEXT: .LBB19_2: # %res_block
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: setae %al
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB19_3: # %endblock
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 7) nounwind
+ ret i32 %m
+}
+
+define i1 @length7_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length7_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 3(%ecx), %ecx
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 3(%eax), %ecx
+; X86-NEXT: orl %edx, %ecx
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 7) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length7_lt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length7_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT: movl (%esi), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB21_2
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movl 3(%esi), %ecx
+; X86-NEXT: movl 3(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: je .LBB21_3
+; X86-NEXT: .LBB21_2: # %res_block
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: setae %al
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB21_3: # %endblock
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 7) nounwind
+ %c = icmp slt i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length8(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length8:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT: movl (%esi), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB22_2
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movl 4(%esi), %ecx
+; X86-NEXT: movl 4(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: je .LBB22_3
+; X86-NEXT: .LBB22_2: # %res_block
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: setae %al
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB22_3: # %endblock
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 8) nounwind
+ ret i32 %m
+}
+
+define i1 @length8_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length8_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 4(%ecx), %ecx
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 4(%eax), %ecx
+; X86-NEXT: orl %edx, %ecx
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 8) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length8_eq_const(i8* %X) nounwind {
+; X86-LABEL: length8_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl $858927408, %ecx # imm = 0x33323130
+; X86-NEXT: xorl (%eax), %ecx
+; X86-NEXT: movl $926299444, %edx # imm = 0x37363534
+; X86-NEXT: xorl 4(%eax), %edx
+; X86-NEXT: orl %ecx, %edx
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 8) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length9_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length9_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 4(%ecx), %esi
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 4(%eax), %esi
+; X86-NEXT: orl %edx, %esi
+; X86-NEXT: movb 8(%ecx), %cl
+; X86-NEXT: xorb 8(%eax), %cl
+; X86-NEXT: movzbl %cl, %eax
+; X86-NEXT: orl %esi, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 9) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length10_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length10_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 4(%ecx), %esi
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 4(%eax), %esi
+; X86-NEXT: orl %edx, %esi
+; X86-NEXT: movzwl 8(%ecx), %ecx
+; X86-NEXT: xorw 8(%eax), %cx
+; X86-NEXT: movzwl %cx, %eax
+; X86-NEXT: orl %esi, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 10) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length11_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length11_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 4(%ecx), %esi
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 4(%eax), %esi
+; X86-NEXT: orl %edx, %esi
+; X86-NEXT: movl 7(%ecx), %ecx
+; X86-NEXT: xorl 7(%eax), %ecx
+; X86-NEXT: orl %esi, %ecx
+; X86-NEXT: sete %al
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 11) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length12_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length12_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 4(%ecx), %esi
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 4(%eax), %esi
+; X86-NEXT: orl %edx, %esi
+; X86-NEXT: movl 8(%ecx), %ecx
+; X86-NEXT: xorl 8(%eax), %ecx
+; X86-NEXT: orl %esi, %ecx
+; X86-NEXT: setne %al
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 12) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length12(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length12:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT: movl (%esi), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB29_3
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movl 4(%esi), %ecx
+; X86-NEXT: movl 4(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB29_3
+; X86-NEXT: # %bb.2: # %loadbb2
+; X86-NEXT: movl 8(%esi), %ecx
+; X86-NEXT: movl 8(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: je .LBB29_4
+; X86-NEXT: .LBB29_3: # %res_block
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: setae %al
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB29_4: # %endblock
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 12) nounwind
+ ret i32 %m
+}
+
+define i1 @length13_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length13_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 4(%ecx), %esi
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 4(%eax), %esi
+; X86-NEXT: orl %edx, %esi
+; X86-NEXT: movl 8(%ecx), %edx
+; X86-NEXT: xorl 8(%eax), %edx
+; X86-NEXT: movb 12(%ecx), %cl
+; X86-NEXT: xorb 12(%eax), %cl
+; X86-NEXT: movzbl %cl, %eax
+; X86-NEXT: orl %edx, %eax
+; X86-NEXT: orl %esi, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 13) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length14_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length14_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 4(%ecx), %esi
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 4(%eax), %esi
+; X86-NEXT: orl %edx, %esi
+; X86-NEXT: movl 8(%ecx), %edx
+; X86-NEXT: xorl 8(%eax), %edx
+; X86-NEXT: movzwl 12(%ecx), %ecx
+; X86-NEXT: xorw 12(%eax), %cx
+; X86-NEXT: movzwl %cx, %eax
+; X86-NEXT: orl %edx, %eax
+; X86-NEXT: orl %esi, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 14) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length15_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length15_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 4(%ecx), %esi
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 4(%eax), %esi
+; X86-NEXT: orl %edx, %esi
+; X86-NEXT: movl 8(%ecx), %edx
+; X86-NEXT: xorl 8(%eax), %edx
+; X86-NEXT: movl 11(%ecx), %ecx
+; X86-NEXT: xorl 11(%eax), %ecx
+; X86-NEXT: orl %edx, %ecx
+; X86-NEXT: orl %esi, %ecx
+; X86-NEXT: sete %al
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 15) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329
+
+define i32 @length16(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length16:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT: movl (%esi), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB33_4
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movl 4(%esi), %ecx
+; X86-NEXT: movl 4(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB33_4
+; X86-NEXT: # %bb.2: # %loadbb2
+; X86-NEXT: movl 8(%esi), %ecx
+; X86-NEXT: movl 8(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB33_4
+; X86-NEXT: # %bb.3: # %loadbb3
+; X86-NEXT: movl 12(%esi), %ecx
+; X86-NEXT: movl 12(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: je .LBB33_5
+; X86-NEXT: .LBB33_4: # %res_block
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: setae %al
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB33_5: # %endblock
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 16) nounwind
+ ret i32 %m
+}
+
+define i1 @length16_eq(i8* %x, i8* %y) nounwind {
+; X86-NOSSE-LABEL: length16_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl %esi
+; X86-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NOSSE-NEXT: movl (%ecx), %edx
+; X86-NOSSE-NEXT: movl 4(%ecx), %esi
+; X86-NOSSE-NEXT: xorl (%eax), %edx
+; X86-NOSSE-NEXT: xorl 4(%eax), %esi
+; X86-NOSSE-NEXT: orl %edx, %esi
+; X86-NOSSE-NEXT: movl 8(%ecx), %edx
+; X86-NOSSE-NEXT: xorl 8(%eax), %edx
+; X86-NOSSE-NEXT: movl 12(%ecx), %ecx
+; X86-NOSSE-NEXT: xorl 12(%eax), %ecx
+; X86-NOSSE-NEXT: orl %edx, %ecx
+; X86-NOSSE-NEXT: orl %esi, %ecx
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: popl %esi
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length16_eq:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl %esi
+; X86-SSE1-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE1-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE1-NEXT: movl (%ecx), %edx
+; X86-SSE1-NEXT: movl 4(%ecx), %esi
+; X86-SSE1-NEXT: xorl (%eax), %edx
+; X86-SSE1-NEXT: xorl 4(%eax), %esi
+; X86-SSE1-NEXT: orl %edx, %esi
+; X86-SSE1-NEXT: movl 8(%ecx), %edx
+; X86-SSE1-NEXT: xorl 8(%eax), %edx
+; X86-SSE1-NEXT: movl 12(%ecx), %ecx
+; X86-SSE1-NEXT: xorl 12(%eax), %ecx
+; X86-SSE1-NEXT: orl %edx, %ecx
+; X86-SSE1-NEXT: orl %esi, %ecx
+; X86-SSE1-NEXT: setne %al
+; X86-SSE1-NEXT: popl %esi
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length16_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu (%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
+; X86-SSE2-NEXT: pmovmskb %xmm1, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length16_eq:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu (%eax), %xmm1
+; X86-SSE41-NEXT: pxor %xmm0, %xmm1
+; X86-SSE41-NEXT: ptest %xmm1, %xmm1
+; X86-SSE41-NEXT: setne %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 16) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length16_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length16_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT: movl (%esi), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB35_4
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movl 4(%esi), %ecx
+; X86-NEXT: movl 4(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB35_4
+; X86-NEXT: # %bb.2: # %loadbb2
+; X86-NEXT: movl 8(%esi), %ecx
+; X86-NEXT: movl 8(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB35_4
+; X86-NEXT: # %bb.3: # %loadbb3
+; X86-NEXT: movl 12(%esi), %ecx
+; X86-NEXT: movl 12(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: je .LBB35_5
+; X86-NEXT: .LBB35_4: # %res_block
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: setae %al
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB35_5: # %endblock
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 16) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length16_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length16_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT: movl (%esi), %eax
+; X86-NEXT: movl (%edx), %ecx
+; X86-NEXT: bswapl %eax
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: cmpl %ecx, %eax
+; X86-NEXT: jne .LBB36_4
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movl 4(%esi), %eax
+; X86-NEXT: movl 4(%edx), %ecx
+; X86-NEXT: bswapl %eax
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: cmpl %ecx, %eax
+; X86-NEXT: jne .LBB36_4
+; X86-NEXT: # %bb.2: # %loadbb2
+; X86-NEXT: movl 8(%esi), %eax
+; X86-NEXT: movl 8(%edx), %ecx
+; X86-NEXT: bswapl %eax
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: cmpl %ecx, %eax
+; X86-NEXT: jne .LBB36_4
+; X86-NEXT: # %bb.3: # %loadbb3
+; X86-NEXT: movl 12(%esi), %eax
+; X86-NEXT: movl 12(%edx), %ecx
+; X86-NEXT: bswapl %eax
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: xorl %edx, %edx
+; X86-NEXT: cmpl %ecx, %eax
+; X86-NEXT: je .LBB36_5
+; X86-NEXT: .LBB36_4: # %res_block
+; X86-NEXT: xorl %edx, %edx
+; X86-NEXT: cmpl %ecx, %eax
+; X86-NEXT: setae %dl
+; X86-NEXT: leal -1(%edx,%edx), %edx
+; X86-NEXT: .LBB36_5: # %endblock
+; X86-NEXT: testl %edx, %edx
+; X86-NEXT: setg %al
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 16) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length16_eq_const(i8* %X) nounwind {
+; X86-NOSSE-LABEL: length16_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl %esi
+; X86-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOSSE-NEXT: movl $858927408, %ecx # imm = 0x33323130
+; X86-NOSSE-NEXT: xorl (%eax), %ecx
+; X86-NOSSE-NEXT: movl $926299444, %edx # imm = 0x37363534
+; X86-NOSSE-NEXT: xorl 4(%eax), %edx
+; X86-NOSSE-NEXT: orl %ecx, %edx
+; X86-NOSSE-NEXT: movl $825243960, %ecx # imm = 0x31303938
+; X86-NOSSE-NEXT: xorl 8(%eax), %ecx
+; X86-NOSSE-NEXT: movl $892613426, %esi # imm = 0x35343332
+; X86-NOSSE-NEXT: xorl 12(%eax), %esi
+; X86-NOSSE-NEXT: orl %ecx, %esi
+; X86-NOSSE-NEXT: orl %edx, %esi
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: popl %esi
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length16_eq_const:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl %esi
+; X86-SSE1-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE1-NEXT: movl $858927408, %ecx # imm = 0x33323130
+; X86-SSE1-NEXT: xorl (%eax), %ecx
+; X86-SSE1-NEXT: movl $926299444, %edx # imm = 0x37363534
+; X86-SSE1-NEXT: xorl 4(%eax), %edx
+; X86-SSE1-NEXT: orl %ecx, %edx
+; X86-SSE1-NEXT: movl $825243960, %ecx # imm = 0x31303938
+; X86-SSE1-NEXT: xorl 8(%eax), %ecx
+; X86-SSE1-NEXT: movl $892613426, %esi # imm = 0x35343332
+; X86-SSE1-NEXT: xorl 12(%eax), %esi
+; X86-SSE1-NEXT: orl %ecx, %esi
+; X86-SSE1-NEXT: orl %edx, %esi
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: popl %esi
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length16_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length16_eq_const:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movdqu (%eax), %xmm0
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 16) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914
+
+define i32 @length24(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length24:
+; X86: # %bb.0:
+; X86-NEXT: pushl $24
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 24) nounwind
+ ret i32 %m
+}
+
+define i1 @length24_eq(i8* %x, i8* %y) nounwind {
+; X86-NOSSE-LABEL: length24_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $24
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length24_eq:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $24
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length24_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 8(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 8(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length24_eq:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 8(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 8(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: por %xmm2, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 24) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length24_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length24_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $24
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 24) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length24_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length24_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $24
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 24) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length24_eq_const(i8* %X) nounwind {
+; X86-NOSSE-LABEL: length24_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $24
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length24_eq_const:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $24
+; X86-SSE1-NEXT: pushl $.L.str
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: setne %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length24_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 8(%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pand %xmm1, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length24_eq_const:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movdqu (%eax), %xmm0
+; X86-SSE41-NEXT: movdqu 8(%eax), %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE41-NEXT: por %xmm1, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: setne %al
+; X86-SSE41-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 24) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length31(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length31:
+; X86: # %bb.0:
+; X86-NEXT: pushl $31
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 31) nounwind
+ ret i32 %m
+}
+
+define i1 @length31_eq(i8* %x, i8* %y) nounwind {
+; X86-NOSSE-LABEL: length31_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $31
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length31_eq:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $31
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length31_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 15(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 15(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length31_eq:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 15(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 15(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: por %xmm2, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 31) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length31_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length31_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $31
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 31) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length31_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length31_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $31
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 31) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length31_eq_prefer128(i8* %x, i8* %y) nounwind "prefer-vector-width"="128" {
+; X86-NOSSE-LABEL: length31_eq_prefer128:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $31
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length31_eq_prefer128:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $31
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length31_eq_prefer128:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 15(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 15(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length31_eq_prefer128:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 15(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 15(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: por %xmm2, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 31) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length31_eq_const(i8* %X) nounwind {
+; X86-NOSSE-LABEL: length31_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $31
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length31_eq_const:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $31
+; X86-SSE1-NEXT: pushl $.L.str
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: setne %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length31_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 15(%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pand %xmm1, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length31_eq_const:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movdqu (%eax), %xmm0
+; X86-SSE41-NEXT: movdqu 15(%eax), %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE41-NEXT: por %xmm1, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: setne %al
+; X86-SSE41-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 31) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length32(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length32:
+; X86: # %bb.0:
+; X86-NEXT: pushl $32
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 32) nounwind
+ ret i32 %m
+}
+
+; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325
+
+define i1 @length32_eq(i8* %x, i8* %y) nounwind {
+; X86-NOSSE-LABEL: length32_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $32
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length32_eq:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $32
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length32_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length32_eq:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: por %xmm2, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 32) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length32_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length32_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $32
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 32) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length32_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length32_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $32
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 32) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length32_eq_prefer128(i8* %x, i8* %y) nounwind "prefer-vector-width"="128" {
+; X86-NOSSE-LABEL: length32_eq_prefer128:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $32
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length32_eq_prefer128:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $32
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length32_eq_prefer128:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length32_eq_prefer128:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: por %xmm2, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 32) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length32_eq_const(i8* %X) nounwind {
+; X86-NOSSE-LABEL: length32_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $32
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length32_eq_const:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $32
+; X86-SSE1-NEXT: pushl $.L.str
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: setne %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length32_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pand %xmm1, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length32_eq_const:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movdqu (%eax), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE41-NEXT: por %xmm1, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: setne %al
+; X86-SSE41-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 32) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length48(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length48:
+; X86: # %bb.0:
+; X86-NEXT: pushl $48
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 48) nounwind
+ ret i32 %m
+}
+
+define i1 @length48_eq(i8* %x, i8* %y) nounwind {
+; X86-NOSSE-LABEL: length48_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $48
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length48_eq:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $48
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length48_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: movdqu 32(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu 32(%eax), %xmm3
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm3
+; X86-SSE2-NEXT: pand %xmm0, %xmm3
+; X86-SSE2-NEXT: pand %xmm2, %xmm3
+; X86-SSE2-NEXT: pmovmskb %xmm3, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length48_eq:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: movdqu 32(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu 32(%eax), %xmm3
+; X86-SSE41-NEXT: pxor %xmm1, %xmm3
+; X86-SSE41-NEXT: por %xmm0, %xmm3
+; X86-SSE41-NEXT: por %xmm2, %xmm3
+; X86-SSE41-NEXT: ptest %xmm3, %xmm3
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 48) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length48_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length48_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $48
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 48) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length48_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length48_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $48
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 48) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length48_eq_prefer128(i8* %x, i8* %y) nounwind "prefer-vector-width"="128" {
+; X86-NOSSE-LABEL: length48_eq_prefer128:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $48
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length48_eq_prefer128:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $48
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length48_eq_prefer128:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: movdqu 32(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu 32(%eax), %xmm3
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm3
+; X86-SSE2-NEXT: pand %xmm0, %xmm3
+; X86-SSE2-NEXT: pand %xmm2, %xmm3
+; X86-SSE2-NEXT: pmovmskb %xmm3, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length48_eq_prefer128:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: movdqu 32(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu 32(%eax), %xmm3
+; X86-SSE41-NEXT: pxor %xmm1, %xmm3
+; X86-SSE41-NEXT: por %xmm0, %xmm3
+; X86-SSE41-NEXT: por %xmm2, %xmm3
+; X86-SSE41-NEXT: ptest %xmm3, %xmm3
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 48) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length48_eq_const(i8* %X) nounwind {
+; X86-NOSSE-LABEL: length48_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $48
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length48_eq_const:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $48
+; X86-SSE1-NEXT: pushl $.L.str
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: setne %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length48_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
+; X86-SSE2-NEXT: movdqu 32(%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
+; X86-SSE2-NEXT: pand %xmm1, %xmm2
+; X86-SSE2-NEXT: pand %xmm0, %xmm2
+; X86-SSE2-NEXT: pmovmskb %xmm2, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length48_eq_const:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movdqu (%eax), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm1
+; X86-SSE41-NEXT: movdqu 32(%eax), %xmm2
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
+; X86-SSE41-NEXT: por %xmm1, %xmm2
+; X86-SSE41-NEXT: por %xmm0, %xmm2
+; X86-SSE41-NEXT: ptest %xmm2, %xmm2
+; X86-SSE41-NEXT: setne %al
+; X86-SSE41-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 48) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length63(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length63:
+; X86: # %bb.0:
+; X86-NEXT: pushl $63
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 63) nounwind
+ ret i32 %m
+}
+
+define i1 @length63_eq(i8* %x, i8* %y) nounwind {
+; X86-NOSSE-LABEL: length63_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $63
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length63_eq:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $63
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: setne %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length63_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: movdqu 32(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu 32(%eax), %xmm3
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm3
+; X86-SSE2-NEXT: movdqu 47(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu 47(%eax), %xmm4
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm4
+; X86-SSE2-NEXT: pand %xmm3, %xmm4
+; X86-SSE2-NEXT: pand %xmm0, %xmm4
+; X86-SSE2-NEXT: pand %xmm2, %xmm4
+; X86-SSE2-NEXT: pmovmskb %xmm4, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length63_eq:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: movdqu 32(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu 32(%eax), %xmm3
+; X86-SSE41-NEXT: pxor %xmm1, %xmm3
+; X86-SSE41-NEXT: movdqu 47(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu 47(%eax), %xmm4
+; X86-SSE41-NEXT: pxor %xmm1, %xmm4
+; X86-SSE41-NEXT: por %xmm3, %xmm4
+; X86-SSE41-NEXT: por %xmm0, %xmm4
+; X86-SSE41-NEXT: por %xmm2, %xmm4
+; X86-SSE41-NEXT: ptest %xmm4, %xmm4
+; X86-SSE41-NEXT: setne %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 63) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length63_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length63_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $63
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 63) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length63_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length63_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $63
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 63) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length63_eq_const(i8* %X) nounwind {
+; X86-NOSSE-LABEL: length63_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $63
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length63_eq_const:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $63
+; X86-SSE1-NEXT: pushl $.L.str
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length63_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
+; X86-SSE2-NEXT: movdqu 32(%eax), %xmm2
+; X86-SSE2-NEXT: movdqu 47(%eax), %xmm3
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm3
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
+; X86-SSE2-NEXT: pand %xmm3, %xmm2
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pand %xmm2, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pand %xmm1, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length63_eq_const:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movdqu (%eax), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm1
+; X86-SSE41-NEXT: movdqu 32(%eax), %xmm2
+; X86-SSE41-NEXT: movdqu 47(%eax), %xmm3
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm3
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
+; X86-SSE41-NEXT: por %xmm3, %xmm2
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE41-NEXT: por %xmm2, %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE41-NEXT: por %xmm1, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 63) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length64(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length64:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 64) nounwind
+ ret i32 %m
+}
+
+define i1 @length64_eq(i8* %x, i8* %y) nounwind {
+; X86-NOSSE-LABEL: length64_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $64
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length64_eq:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $64
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: setne %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length64_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: movdqu 32(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu 32(%eax), %xmm3
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm3
+; X86-SSE2-NEXT: movdqu 48(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu 48(%eax), %xmm4
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm4
+; X86-SSE2-NEXT: pand %xmm3, %xmm4
+; X86-SSE2-NEXT: pand %xmm0, %xmm4
+; X86-SSE2-NEXT: pand %xmm2, %xmm4
+; X86-SSE2-NEXT: pmovmskb %xmm4, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length64_eq:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: movdqu 32(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu 32(%eax), %xmm3
+; X86-SSE41-NEXT: pxor %xmm1, %xmm3
+; X86-SSE41-NEXT: movdqu 48(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu 48(%eax), %xmm4
+; X86-SSE41-NEXT: pxor %xmm1, %xmm4
+; X86-SSE41-NEXT: por %xmm3, %xmm4
+; X86-SSE41-NEXT: por %xmm0, %xmm4
+; X86-SSE41-NEXT: por %xmm2, %xmm4
+; X86-SSE41-NEXT: ptest %xmm4, %xmm4
+; X86-SSE41-NEXT: setne %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 64) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length64_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length64_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 64) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length64_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length64_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 64) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length64_eq_const(i8* %X) nounwind {
+; X86-NOSSE-LABEL: length64_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $64
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length64_eq_const:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $64
+; X86-SSE1-NEXT: pushl $.L.str
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length64_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
+; X86-SSE2-NEXT: movdqu 32(%eax), %xmm2
+; X86-SSE2-NEXT: movdqu 48(%eax), %xmm3
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm3
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
+; X86-SSE2-NEXT: pand %xmm3, %xmm2
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pand %xmm2, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pand %xmm1, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length64_eq_const:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movdqu (%eax), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm1
+; X86-SSE41-NEXT: movdqu 32(%eax), %xmm2
+; X86-SSE41-NEXT: movdqu 48(%eax), %xmm3
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm3
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
+; X86-SSE41-NEXT: por %xmm3, %xmm2
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE41-NEXT: por %xmm2, %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE41-NEXT: por %xmm1, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 64) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length96(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length96:
+; X86: # %bb.0:
+; X86-NEXT: pushl $96
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 96) nounwind
+ ret i32 %m
+}
+
+define i1 @length96_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length96_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $96
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 96) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length96_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length96_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $96
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 96) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length96_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length96_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $96
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 96) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length96_eq_const(i8* %X) nounwind {
+; X86-LABEL: length96_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $96
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 96) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length127(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length127:
+; X86: # %bb.0:
+; X86-NEXT: pushl $127
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 127) nounwind
+ ret i32 %m
+}
+
+define i1 @length127_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length127_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $127
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 127) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length127_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length127_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $127
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 127) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length127_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length127_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $127
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 127) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length127_eq_const(i8* %X) nounwind {
+; X86-LABEL: length127_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $127
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 127) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length128(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length128:
+; X86: # %bb.0:
+; X86-NEXT: pushl $128
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 128) nounwind
+ ret i32 %m
+}
+
+define i1 @length128_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length128_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $128
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 128) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length128_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length128_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $128
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 128) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length128_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length128_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $128
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 128) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length128_eq_const(i8* %X) nounwind {
+; X86-LABEL: length128_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $128
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 128) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length192(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length192:
+; X86: # %bb.0:
+; X86-NEXT: pushl $192
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 192) nounwind
+ ret i32 %m
+}
+
+define i1 @length192_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length192_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $192
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 192) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length192_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length192_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $192
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 192) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length192_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length192_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $192
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 192) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length192_eq_const(i8* %X) nounwind {
+; X86-LABEL: length192_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $192
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 192) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length255(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length255:
+; X86: # %bb.0:
+; X86-NEXT: pushl $255
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 255) nounwind
+ ret i32 %m
+}
+
+define i1 @length255_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length255_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $255
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 255) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length255_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length255_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $255
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 255) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length255_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length255_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $255
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 255) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length255_eq_const(i8* %X) nounwind {
+; X86-LABEL: length255_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $255
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 255) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length256(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length256:
+; X86: # %bb.0:
+; X86-NEXT: pushl $256 # imm = 0x100
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 256) nounwind
+ ret i32 %m
+}
+
+define i1 @length256_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length256_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $256 # imm = 0x100
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 256) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length256_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length256_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $256 # imm = 0x100
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 256) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length256_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length256_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $256 # imm = 0x100
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 256) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length256_eq_const(i8* %X) nounwind {
+; X86-LABEL: length256_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $256 # imm = 0x100
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 256) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length384(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length384:
+; X86: # %bb.0:
+; X86-NEXT: pushl $384 # imm = 0x180
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 384) nounwind
+ ret i32 %m
+}
+
+define i1 @length384_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length384_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $384 # imm = 0x180
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 384) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length384_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length384_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $384 # imm = 0x180
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 384) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length384_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length384_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $384 # imm = 0x180
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 384) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length384_eq_const(i8* %X) nounwind {
+; X86-LABEL: length384_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $384 # imm = 0x180
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 384) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length511(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length511:
+; X86: # %bb.0:
+; X86-NEXT: pushl $511 # imm = 0x1FF
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 511) nounwind
+ ret i32 %m
+}
+
+define i1 @length511_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length511_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $511 # imm = 0x1FF
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 511) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length511_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length511_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $511 # imm = 0x1FF
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 511) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length511_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length511_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $511 # imm = 0x1FF
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 511) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length511_eq_const(i8* %X) nounwind {
+; X86-LABEL: length511_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $511 # imm = 0x1FF
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 511) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length512(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length512:
+; X86: # %bb.0:
+; X86-NEXT: pushl $512 # imm = 0x200
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 512) nounwind
+ ret i32 %m
+}
+
+define i1 @length512_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length512_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $512 # imm = 0x200
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 512) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length512_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length512_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $512 # imm = 0x200
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 512) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length512_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length512_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $512 # imm = 0x200
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 512) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length512_eq_const(i8* %X) nounwind {
+; X86-LABEL: length512_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $512 # imm = 0x200
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 512) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+; This checks that we do not do stupid things with huge sizes.
+define i32 @huge_length(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: huge_length:
+; X86: # %bb.0:
+; X86-NEXT: pushl $-1
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 9223372036854775807) nounwind
+ ret i32 %m
+}
+
+define i1 @huge_length_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: huge_length_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $-1
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 9223372036854775807) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+; This checks non-constant sizes.
+define i32 @nonconst_length(i8* %X, i8* %Y, i32 %size) nounwind {
+; X86-LABEL: nonconst_length:
+; X86: # %bb.0:
+; X86-NEXT: jmp memcmp # TAILCALL
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 %size) nounwind
+ ret i32 %m
+}
+
+define i1 @nonconst_length_eq(i8* %X, i8* %Y, i32 %size) nounwind {
+; X86-LABEL: nonconst_length_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 %size) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; NOTE: This is a copy of llvm/test/CodeGen/X86/memcmp.ll with more load pairs. Please keep it that way.
-; RUN: llc -max-loads-per-memcmp=4 -memcmp-num-loads-per-block=4 < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefixes=X86,X86-NOSSE
-; RUN: llc -max-loads-per-memcmp=4 -memcmp-num-loads-per-block=4 < %s -mtriple=i686-unknown-unknown -mattr=+sse | FileCheck %s --check-prefixes=X86,X86-SSE1
-; RUN: llc -max-loads-per-memcmp=4 -memcmp-num-loads-per-block=4 < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=X86,X86-SSE2
-; RUN: llc -max-loads-per-memcmp=4 -memcmp-num-loads-per-block=4 < %s -mtriple=i686-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefixes=X86,X86-SSE41
; RUN: llc -max-loads-per-memcmp=4 -memcmp-num-loads-per-block=4 < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=X64,X64-SSE,X64-SSE2
; RUN: llc -max-loads-per-memcmp=4 -memcmp-num-loads-per-block=4 < %s -mtriple=x86_64-unknown-unknown -mattr=sse4.1 | FileCheck %s --check-prefixes=X64,X64-SSE,X64-SSE41
; RUN: llc -max-loads-per-memcmp=4 -memcmp-num-loads-per-block=4 < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s --check-prefixes=X64,X64-AVX,X64-AVX1
declare dso_local i32 @memcmp(i8*, i8*, i64)
define i32 @length0(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length0:
-; X86: # %bb.0:
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: length0:
; X64: # %bb.0:
; X64-NEXT: xorl %eax, %eax
}
define i1 @length0_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length0_eq:
-; X86: # %bb.0:
-; X86-NEXT: movb $1, %al
-; X86-NEXT: retl
-;
; X64-LABEL: length0_eq:
; X64: # %bb.0:
; X64-NEXT: movb $1, %al
}
define i1 @length0_lt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length0_lt:
-; X86: # %bb.0:
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: length0_lt:
; X64: # %bb.0:
; X64-NEXT: xorl %eax, %eax
}
define i32 @length2(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length2:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: movzwl (%eax), %edx
-; X86-NEXT: rolw $8, %cx
-; X86-NEXT: rolw $8, %dx
-; X86-NEXT: movzwl %cx, %eax
-; X86-NEXT: movzwl %dx, %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: length2:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length2_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: cmpw (%eax), %cx
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_lt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length2_lt:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: movzwl (%eax), %edx
-; X86-NEXT: rolw $8, %cx
-; X86-NEXT: rolw $8, %dx
-; X86-NEXT: movzwl %cx, %eax
-; X86-NEXT: movzwl %dx, %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length2_lt:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_gt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length2_gt:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: movzwl (%eax), %eax
-; X86-NEXT: rolw $8, %cx
-; X86-NEXT: rolw $8, %ax
-; X86-NEXT: movzwl %cx, %ecx
-; X86-NEXT: movzwl %ax, %eax
-; X86-NEXT: subl %eax, %ecx
-; X86-NEXT: testl %ecx, %ecx
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_gt:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq_const(i8* %X) nounwind {
-; X86-LABEL: length2_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movzwl (%eax), %eax
-; X86-NEXT: cmpl $12849, %eax # imm = 0x3231
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq_const:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length2_eq_nobuiltin_attr:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $2
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq_nobuiltin_attr:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length3(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length3:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movzwl (%eax), %edx
-; X86-NEXT: movzwl (%ecx), %esi
-; X86-NEXT: rolw $8, %dx
-; X86-NEXT: rolw $8, %si
-; X86-NEXT: cmpw %si, %dx
-; X86-NEXT: jne .LBB9_3
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movzbl 2(%eax), %eax
-; X86-NEXT: movzbl 2(%ecx), %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-; X86-NEXT: .LBB9_3: # %res_block
-; X86-NEXT: setae %al
-; X86-NEXT: movzbl %al, %eax
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length3:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length3_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length3_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %edx
-; X86-NEXT: xorw (%eax), %dx
-; X86-NEXT: movb 2(%ecx), %cl
-; X86-NEXT: xorb 2(%eax), %cl
-; X86-NEXT: movzbl %cl, %eax
-; X86-NEXT: orw %dx, %ax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length3_eq:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i32 @length4(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length4:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: seta %al
-; X86-NEXT: sbbl $0, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: length4:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %ecx
}
define i1 @length4_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length4_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: cmpl (%eax), %ecx
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length4_eq:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length4_lt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length4_lt:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: seta %al
-; X86-NEXT: sbbl $0, %eax
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length4_lt:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %ecx
}
define i1 @length4_gt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length4_gt:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: movl (%eax), %eax
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %eax
-; X86-NEXT: xorl %edx, %edx
-; X86-NEXT: cmpl %eax, %ecx
-; X86-NEXT: seta %dl
-; X86-NEXT: sbbl $0, %edx
-; X86-NEXT: testl %edx, %edx
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length4_gt:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length4_eq_const(i8* %X) nounwind {
-; X86-LABEL: length4_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length4_eq_const:
; X64: # %bb.0:
; X64-NEXT: cmpl $875770417, (%rdi) # imm = 0x34333231
}
define i32 @length5(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length5:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: movl (%ecx), %esi
-; X86-NEXT: bswapl %edx
-; X86-NEXT: bswapl %esi
-; X86-NEXT: cmpl %esi, %edx
-; X86-NEXT: jne .LBB16_3
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movzbl 4(%eax), %eax
-; X86-NEXT: movzbl 4(%ecx), %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-; X86-NEXT: .LBB16_3: # %res_block
-; X86-NEXT: setae %al
-; X86-NEXT: movzbl %al, %eax
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length5:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length5_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length5_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: movb 4(%ecx), %cl
-; X86-NEXT: xorb 4(%eax), %cl
-; X86-NEXT: movzbl %cl, %eax
-; X86-NEXT: orl %edx, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length5_eq:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length5_lt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length5_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: movl (%ecx), %esi
-; X86-NEXT: bswapl %edx
-; X86-NEXT: bswapl %esi
-; X86-NEXT: cmpl %esi, %edx
-; X86-NEXT: jne .LBB18_3
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movzbl 4(%eax), %eax
-; X86-NEXT: movzbl 4(%ecx), %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: jmp .LBB18_2
-; X86-NEXT: .LBB18_3: # %res_block
-; X86-NEXT: setae %al
-; X86-NEXT: movzbl %al, %eax
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB18_2: # %endblock
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length5_lt:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i32 @length7(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length7:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT: movl (%esi), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB19_2
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movl 3(%esi), %ecx
-; X86-NEXT: movl 3(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: je .LBB19_3
-; X86-NEXT: .LBB19_2: # %res_block
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: setae %al
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB19_3: # %endblock
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length7:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %ecx
}
define i1 @length7_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length7_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 3(%ecx), %ecx
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 3(%eax), %ecx
-; X86-NEXT: orl %edx, %ecx
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length7_eq:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length7_lt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length7_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT: movl (%esi), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB21_2
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movl 3(%esi), %ecx
-; X86-NEXT: movl 3(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: je .LBB21_3
-; X86-NEXT: .LBB21_2: # %res_block
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: setae %al
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB21_3: # %endblock
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length7_lt:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %ecx
}
define i32 @length8(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length8:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT: movl (%esi), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB22_2
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movl 4(%esi), %ecx
-; X86-NEXT: movl 4(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: je .LBB22_3
-; X86-NEXT: .LBB22_2: # %res_block
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: setae %al
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB22_3: # %endblock
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length8:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length8_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length8_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 4(%ecx), %ecx
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 4(%eax), %ecx
-; X86-NEXT: orl %edx, %ecx
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length8_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length8_eq_const(i8* %X) nounwind {
-; X86-LABEL: length8_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl $858927408, %ecx # imm = 0x33323130
-; X86-NEXT: xorl (%eax), %ecx
-; X86-NEXT: movl $926299444, %edx # imm = 0x37363534
-; X86-NEXT: xorl 4(%eax), %edx
-; X86-NEXT: orl %ecx, %edx
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length8_eq_const:
; X64: # %bb.0:
; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130
}
define i1 @length9_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length9_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 4(%ecx), %esi
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 4(%eax), %esi
-; X86-NEXT: orl %edx, %esi
-; X86-NEXT: movb 8(%ecx), %cl
-; X86-NEXT: xorb 8(%eax), %cl
-; X86-NEXT: movzbl %cl, %eax
-; X86-NEXT: orl %esi, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length9_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length10_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length10_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 4(%ecx), %esi
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 4(%eax), %esi
-; X86-NEXT: orl %edx, %esi
-; X86-NEXT: movzwl 8(%ecx), %ecx
-; X86-NEXT: xorw 8(%eax), %cx
-; X86-NEXT: movzwl %cx, %eax
-; X86-NEXT: orl %esi, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length10_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length11_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length11_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 4(%ecx), %esi
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 4(%eax), %esi
-; X86-NEXT: orl %edx, %esi
-; X86-NEXT: movl 7(%ecx), %ecx
-; X86-NEXT: xorl 7(%eax), %ecx
-; X86-NEXT: orl %esi, %ecx
-; X86-NEXT: sete %al
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length11_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length12_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length12_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 4(%ecx), %esi
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 4(%eax), %esi
-; X86-NEXT: orl %edx, %esi
-; X86-NEXT: movl 8(%ecx), %ecx
-; X86-NEXT: xorl 8(%eax), %ecx
-; X86-NEXT: orl %esi, %ecx
-; X86-NEXT: setne %al
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length12_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i32 @length12(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length12:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT: movl (%esi), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB29_3
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movl 4(%esi), %ecx
-; X86-NEXT: movl 4(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB29_3
-; X86-NEXT: # %bb.2: # %loadbb2
-; X86-NEXT: movl 8(%esi), %ecx
-; X86-NEXT: movl 8(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: je .LBB29_4
-; X86-NEXT: .LBB29_3: # %res_block
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: setae %al
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB29_4: # %endblock
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length12:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length13_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length13_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 4(%ecx), %esi
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 4(%eax), %esi
-; X86-NEXT: orl %edx, %esi
-; X86-NEXT: movl 8(%ecx), %edx
-; X86-NEXT: xorl 8(%eax), %edx
-; X86-NEXT: movb 12(%ecx), %cl
-; X86-NEXT: xorb 12(%eax), %cl
-; X86-NEXT: movzbl %cl, %eax
-; X86-NEXT: orl %edx, %eax
-; X86-NEXT: orl %esi, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length13_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length14_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length14_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 4(%ecx), %esi
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 4(%eax), %esi
-; X86-NEXT: orl %edx, %esi
-; X86-NEXT: movl 8(%ecx), %edx
-; X86-NEXT: xorl 8(%eax), %edx
-; X86-NEXT: movzwl 12(%ecx), %ecx
-; X86-NEXT: xorw 12(%eax), %cx
-; X86-NEXT: movzwl %cx, %eax
-; X86-NEXT: orl %edx, %eax
-; X86-NEXT: orl %esi, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length14_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length15_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length15_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 4(%ecx), %esi
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 4(%eax), %esi
-; X86-NEXT: orl %edx, %esi
-; X86-NEXT: movl 8(%ecx), %edx
-; X86-NEXT: xorl 8(%eax), %edx
-; X86-NEXT: movl 11(%ecx), %ecx
-; X86-NEXT: xorl 11(%eax), %ecx
-; X86-NEXT: orl %edx, %ecx
-; X86-NEXT: orl %esi, %ecx
-; X86-NEXT: sete %al
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length15_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329
define i32 @length16(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length16:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT: movl (%esi), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB33_4
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movl 4(%esi), %ecx
-; X86-NEXT: movl 4(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB33_4
-; X86-NEXT: # %bb.2: # %loadbb2
-; X86-NEXT: movl 8(%esi), %ecx
-; X86-NEXT: movl 8(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB33_4
-; X86-NEXT: # %bb.3: # %loadbb3
-; X86-NEXT: movl 12(%esi), %ecx
-; X86-NEXT: movl 12(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: je .LBB33_5
-; X86-NEXT: .LBB33_4: # %res_block
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: setae %al
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB33_5: # %endblock
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length16:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length16_eq(i8* %x, i8* %y) nounwind {
-; X86-NOSSE-LABEL: length16_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl %esi
-; X86-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NOSSE-NEXT: movl (%ecx), %edx
-; X86-NOSSE-NEXT: movl 4(%ecx), %esi
-; X86-NOSSE-NEXT: xorl (%eax), %edx
-; X86-NOSSE-NEXT: xorl 4(%eax), %esi
-; X86-NOSSE-NEXT: orl %edx, %esi
-; X86-NOSSE-NEXT: movl 8(%ecx), %edx
-; X86-NOSSE-NEXT: xorl 8(%eax), %edx
-; X86-NOSSE-NEXT: movl 12(%ecx), %ecx
-; X86-NOSSE-NEXT: xorl 12(%eax), %ecx
-; X86-NOSSE-NEXT: orl %edx, %ecx
-; X86-NOSSE-NEXT: orl %esi, %ecx
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: popl %esi
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length16_eq:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl %esi
-; X86-SSE1-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE1-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE1-NEXT: movl (%ecx), %edx
-; X86-SSE1-NEXT: movl 4(%ecx), %esi
-; X86-SSE1-NEXT: xorl (%eax), %edx
-; X86-SSE1-NEXT: xorl 4(%eax), %esi
-; X86-SSE1-NEXT: orl %edx, %esi
-; X86-SSE1-NEXT: movl 8(%ecx), %edx
-; X86-SSE1-NEXT: xorl 8(%eax), %edx
-; X86-SSE1-NEXT: movl 12(%ecx), %ecx
-; X86-SSE1-NEXT: xorl 12(%eax), %ecx
-; X86-SSE1-NEXT: orl %edx, %ecx
-; X86-SSE1-NEXT: orl %esi, %ecx
-; X86-SSE1-NEXT: setne %al
-; X86-SSE1-NEXT: popl %esi
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length16_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu (%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
-; X86-SSE2-NEXT: pmovmskb %xmm1, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length16_eq:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu (%eax), %xmm1
-; X86-SSE41-NEXT: pxor %xmm0, %xmm1
-; X86-SSE41-NEXT: ptest %xmm1, %xmm1
-; X86-SSE41-NEXT: setne %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length16_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length16_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length16_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT: movl (%esi), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB35_4
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movl 4(%esi), %ecx
-; X86-NEXT: movl 4(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB35_4
-; X86-NEXT: # %bb.2: # %loadbb2
-; X86-NEXT: movl 8(%esi), %ecx
-; X86-NEXT: movl 8(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB35_4
-; X86-NEXT: # %bb.3: # %loadbb3
-; X86-NEXT: movl 12(%esi), %ecx
-; X86-NEXT: movl 12(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: je .LBB35_5
-; X86-NEXT: .LBB35_4: # %res_block
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: setae %al
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB35_5: # %endblock
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length16_lt:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length16_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length16_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
-; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT: movl (%esi), %eax
-; X86-NEXT: movl (%edx), %ecx
-; X86-NEXT: bswapl %eax
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: cmpl %ecx, %eax
-; X86-NEXT: jne .LBB36_4
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movl 4(%esi), %eax
-; X86-NEXT: movl 4(%edx), %ecx
-; X86-NEXT: bswapl %eax
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: cmpl %ecx, %eax
-; X86-NEXT: jne .LBB36_4
-; X86-NEXT: # %bb.2: # %loadbb2
-; X86-NEXT: movl 8(%esi), %eax
-; X86-NEXT: movl 8(%edx), %ecx
-; X86-NEXT: bswapl %eax
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: cmpl %ecx, %eax
-; X86-NEXT: jne .LBB36_4
-; X86-NEXT: # %bb.3: # %loadbb3
-; X86-NEXT: movl 12(%esi), %eax
-; X86-NEXT: movl 12(%edx), %ecx
-; X86-NEXT: bswapl %eax
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: xorl %edx, %edx
-; X86-NEXT: cmpl %ecx, %eax
-; X86-NEXT: je .LBB36_5
-; X86-NEXT: .LBB36_4: # %res_block
-; X86-NEXT: xorl %edx, %edx
-; X86-NEXT: cmpl %ecx, %eax
-; X86-NEXT: setae %dl
-; X86-NEXT: leal -1(%edx,%edx), %edx
-; X86-NEXT: .LBB36_5: # %endblock
-; X86-NEXT: testl %edx, %edx
-; X86-NEXT: setg %al
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length16_gt:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length16_eq_const(i8* %X) nounwind {
-; X86-NOSSE-LABEL: length16_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl %esi
-; X86-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NOSSE-NEXT: movl $858927408, %ecx # imm = 0x33323130
-; X86-NOSSE-NEXT: xorl (%eax), %ecx
-; X86-NOSSE-NEXT: movl $926299444, %edx # imm = 0x37363534
-; X86-NOSSE-NEXT: xorl 4(%eax), %edx
-; X86-NOSSE-NEXT: orl %ecx, %edx
-; X86-NOSSE-NEXT: movl $825243960, %ecx # imm = 0x31303938
-; X86-NOSSE-NEXT: xorl 8(%eax), %ecx
-; X86-NOSSE-NEXT: movl $892613426, %esi # imm = 0x35343332
-; X86-NOSSE-NEXT: xorl 12(%eax), %esi
-; X86-NOSSE-NEXT: orl %ecx, %esi
-; X86-NOSSE-NEXT: orl %edx, %esi
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: popl %esi
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length16_eq_const:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl %esi
-; X86-SSE1-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE1-NEXT: movl $858927408, %ecx # imm = 0x33323130
-; X86-SSE1-NEXT: xorl (%eax), %ecx
-; X86-SSE1-NEXT: movl $926299444, %edx # imm = 0x37363534
-; X86-SSE1-NEXT: xorl 4(%eax), %edx
-; X86-SSE1-NEXT: orl %ecx, %edx
-; X86-SSE1-NEXT: movl $825243960, %ecx # imm = 0x31303938
-; X86-SSE1-NEXT: xorl 8(%eax), %ecx
-; X86-SSE1-NEXT: movl $892613426, %esi # imm = 0x35343332
-; X86-SSE1-NEXT: xorl 12(%eax), %esi
-; X86-SSE1-NEXT: orl %ecx, %esi
-; X86-SSE1-NEXT: orl %edx, %esi
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: popl %esi
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length16_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length16_eq_const:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movdqu (%eax), %xmm0
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length16_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914
define i32 @length24(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length24:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $24
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length24:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length24_eq(i8* %x, i8* %y) nounwind {
-; X86-NOSSE-LABEL: length24_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $24
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length24_eq:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $24
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length24_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 8(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 8(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length24_eq:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 8(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 8(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: por %xmm2, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length24_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length24_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length24_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $24
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length24_lt:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length24_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length24_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $24
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length24_gt:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length24_eq_const(i8* %X) nounwind {
-; X86-NOSSE-LABEL: length24_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $24
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length24_eq_const:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $24
-; X86-SSE1-NEXT: pushl $.L.str
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: setne %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length24_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 8(%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pand %xmm1, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length24_eq_const:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movdqu (%eax), %xmm0
-; X86-SSE41-NEXT: movdqu 8(%eax), %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE41-NEXT: por %xmm1, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: setne %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length24_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length31(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length31:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $31
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length31:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length31_eq(i8* %x, i8* %y) nounwind {
-; X86-NOSSE-LABEL: length31_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $31
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length31_eq:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $31
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length31_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 15(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 15(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length31_eq:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 15(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 15(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: por %xmm2, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length31_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length31_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length31_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $31
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length31_lt:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length31_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length31_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $31
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length31_gt:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length31_eq_prefer128(i8* %x, i8* %y) nounwind "prefer-vector-width"="128" {
-; X86-NOSSE-LABEL: length31_eq_prefer128:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $31
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length31_eq_prefer128:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $31
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length31_eq_prefer128:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 15(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 15(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length31_eq_prefer128:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 15(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 15(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: por %xmm2, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length31_eq_prefer128:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length31_eq_const(i8* %X) nounwind {
-; X86-NOSSE-LABEL: length31_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $31
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length31_eq_const:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $31
-; X86-SSE1-NEXT: pushl $.L.str
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: setne %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length31_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 15(%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pand %xmm1, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length31_eq_const:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movdqu (%eax), %xmm0
-; X86-SSE41-NEXT: movdqu 15(%eax), %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE41-NEXT: por %xmm1, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: setne %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length31_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length32(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length32:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $32
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length32:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325
define i1 @length32_eq(i8* %x, i8* %y) nounwind {
-; X86-NOSSE-LABEL: length32_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $32
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length32_eq:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $32
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length32_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length32_eq:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: por %xmm2, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length32_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length32_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length32_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $32
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length32_lt:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length32_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length32_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $32
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length32_gt:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length32_eq_prefer128(i8* %x, i8* %y) nounwind "prefer-vector-width"="128" {
-; X86-NOSSE-LABEL: length32_eq_prefer128:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $32
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length32_eq_prefer128:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $32
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length32_eq_prefer128:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length32_eq_prefer128:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: por %xmm2, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length32_eq_prefer128:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length32_eq_const(i8* %X) nounwind {
-; X86-NOSSE-LABEL: length32_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $32
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length32_eq_const:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $32
-; X86-SSE1-NEXT: pushl $.L.str
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: setne %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length32_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pand %xmm1, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length32_eq_const:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movdqu (%eax), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE41-NEXT: por %xmm1, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: setne %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length32_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length48(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length48:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $48
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length48:
; X64: # %bb.0:
; X64-NEXT: movl $48, %edx
}
define i1 @length48_eq(i8* %x, i8* %y) nounwind {
-; X86-NOSSE-LABEL: length48_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $48
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length48_eq:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $48
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length48_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: movdqu 32(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu 32(%eax), %xmm3
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm3
-; X86-SSE2-NEXT: pand %xmm0, %xmm3
-; X86-SSE2-NEXT: pand %xmm2, %xmm3
-; X86-SSE2-NEXT: pmovmskb %xmm3, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length48_eq:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: movdqu 32(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu 32(%eax), %xmm3
-; X86-SSE41-NEXT: pxor %xmm1, %xmm3
-; X86-SSE41-NEXT: por %xmm0, %xmm3
-; X86-SSE41-NEXT: por %xmm2, %xmm3
-; X86-SSE41-NEXT: ptest %xmm3, %xmm3
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length48_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length48_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length48_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $48
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length48_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length48_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length48_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $48
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length48_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length48_eq_prefer128(i8* %x, i8* %y) nounwind "prefer-vector-width"="128" {
-; X86-NOSSE-LABEL: length48_eq_prefer128:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $48
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length48_eq_prefer128:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $48
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length48_eq_prefer128:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: movdqu 32(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu 32(%eax), %xmm3
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm3
-; X86-SSE2-NEXT: pand %xmm0, %xmm3
-; X86-SSE2-NEXT: pand %xmm2, %xmm3
-; X86-SSE2-NEXT: pmovmskb %xmm3, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length48_eq_prefer128:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: movdqu 32(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu 32(%eax), %xmm3
-; X86-SSE41-NEXT: pxor %xmm1, %xmm3
-; X86-SSE41-NEXT: por %xmm0, %xmm3
-; X86-SSE41-NEXT: por %xmm2, %xmm3
-; X86-SSE41-NEXT: ptest %xmm3, %xmm3
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length48_eq_prefer128:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length48_eq_const(i8* %X) nounwind {
-; X86-NOSSE-LABEL: length48_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $48
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length48_eq_const:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $48
-; X86-SSE1-NEXT: pushl $.L.str
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: setne %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length48_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
-; X86-SSE2-NEXT: movdqu 32(%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
-; X86-SSE2-NEXT: pand %xmm1, %xmm2
-; X86-SSE2-NEXT: pand %xmm0, %xmm2
-; X86-SSE2-NEXT: pmovmskb %xmm2, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length48_eq_const:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movdqu (%eax), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm1
-; X86-SSE41-NEXT: movdqu 32(%eax), %xmm2
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
-; X86-SSE41-NEXT: por %xmm1, %xmm2
-; X86-SSE41-NEXT: por %xmm0, %xmm2
-; X86-SSE41-NEXT: ptest %xmm2, %xmm2
-; X86-SSE41-NEXT: setne %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length48_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length63(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length63:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $63
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length63:
; X64: # %bb.0:
; X64-NEXT: movl $63, %edx
}
define i1 @length63_eq(i8* %x, i8* %y) nounwind {
-; X86-NOSSE-LABEL: length63_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $63
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length63_eq:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $63
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: setne %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length63_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: movdqu 32(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu 32(%eax), %xmm3
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm3
-; X86-SSE2-NEXT: movdqu 47(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu 47(%eax), %xmm4
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm4
-; X86-SSE2-NEXT: pand %xmm3, %xmm4
-; X86-SSE2-NEXT: pand %xmm0, %xmm4
-; X86-SSE2-NEXT: pand %xmm2, %xmm4
-; X86-SSE2-NEXT: pmovmskb %xmm4, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length63_eq:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: movdqu 32(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu 32(%eax), %xmm3
-; X86-SSE41-NEXT: pxor %xmm1, %xmm3
-; X86-SSE41-NEXT: movdqu 47(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu 47(%eax), %xmm4
-; X86-SSE41-NEXT: pxor %xmm1, %xmm4
-; X86-SSE41-NEXT: por %xmm3, %xmm4
-; X86-SSE41-NEXT: por %xmm0, %xmm4
-; X86-SSE41-NEXT: por %xmm2, %xmm4
-; X86-SSE41-NEXT: ptest %xmm4, %xmm4
-; X86-SSE41-NEXT: setne %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length63_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length63_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length63_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $63
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length63_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length63_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length63_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $63
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length63_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length63_eq_const(i8* %X) nounwind {
-; X86-NOSSE-LABEL: length63_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $63
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length63_eq_const:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $63
-; X86-SSE1-NEXT: pushl $.L.str
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length63_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
-; X86-SSE2-NEXT: movdqu 32(%eax), %xmm2
-; X86-SSE2-NEXT: movdqu 47(%eax), %xmm3
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm3
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
-; X86-SSE2-NEXT: pand %xmm3, %xmm2
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pand %xmm2, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pand %xmm1, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length63_eq_const:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movdqu (%eax), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm1
-; X86-SSE41-NEXT: movdqu 32(%eax), %xmm2
-; X86-SSE41-NEXT: movdqu 47(%eax), %xmm3
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm3
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
-; X86-SSE41-NEXT: por %xmm3, %xmm2
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE41-NEXT: por %xmm2, %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE41-NEXT: por %xmm1, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length63_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length64(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length64:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length64:
; X64: # %bb.0:
; X64-NEXT: movl $64, %edx
}
define i1 @length64_eq(i8* %x, i8* %y) nounwind {
-; X86-NOSSE-LABEL: length64_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $64
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length64_eq:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $64
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: setne %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length64_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: movdqu 32(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu 32(%eax), %xmm3
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm3
-; X86-SSE2-NEXT: movdqu 48(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu 48(%eax), %xmm4
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm4
-; X86-SSE2-NEXT: pand %xmm3, %xmm4
-; X86-SSE2-NEXT: pand %xmm0, %xmm4
-; X86-SSE2-NEXT: pand %xmm2, %xmm4
-; X86-SSE2-NEXT: pmovmskb %xmm4, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length64_eq:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: movdqu 32(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu 32(%eax), %xmm3
-; X86-SSE41-NEXT: pxor %xmm1, %xmm3
-; X86-SSE41-NEXT: movdqu 48(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu 48(%eax), %xmm4
-; X86-SSE41-NEXT: pxor %xmm1, %xmm4
-; X86-SSE41-NEXT: por %xmm3, %xmm4
-; X86-SSE41-NEXT: por %xmm0, %xmm4
-; X86-SSE41-NEXT: por %xmm2, %xmm4
-; X86-SSE41-NEXT: ptest %xmm4, %xmm4
-; X86-SSE41-NEXT: setne %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length64_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length64_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length64_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length64_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length64_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length64_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length64_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length64_eq_const(i8* %X) nounwind {
-; X86-NOSSE-LABEL: length64_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $64
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length64_eq_const:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $64
-; X86-SSE1-NEXT: pushl $.L.str
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length64_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
-; X86-SSE2-NEXT: movdqu 32(%eax), %xmm2
-; X86-SSE2-NEXT: movdqu 48(%eax), %xmm3
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm3
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
-; X86-SSE2-NEXT: pand %xmm3, %xmm2
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pand %xmm2, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pand %xmm1, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length64_eq_const:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movdqu (%eax), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm1
-; X86-SSE41-NEXT: movdqu 32(%eax), %xmm2
-; X86-SSE41-NEXT: movdqu 48(%eax), %xmm3
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm3
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2
-; X86-SSE41-NEXT: por %xmm3, %xmm2
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE41-NEXT: por %xmm2, %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE41-NEXT: por %xmm1, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length64_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length96(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length96:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $96
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length96:
; X64: # %bb.0:
; X64-NEXT: movl $96, %edx
}
define i1 @length96_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length96_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $96
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length96_eq:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i1 @length96_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length96_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $96
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length96_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length96_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length96_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $96
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length96_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length96_eq_const(i8* %X) nounwind {
-; X86-LABEL: length96_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $96
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length96_eq_const:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i32 @length127(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length127:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $127
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length127:
; X64: # %bb.0:
; X64-NEXT: movl $127, %edx
}
define i1 @length127_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length127_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $127
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length127_eq:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i1 @length127_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length127_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $127
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length127_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length127_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length127_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $127
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length127_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length127_eq_const(i8* %X) nounwind {
-; X86-LABEL: length127_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $127
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length127_eq_const:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i32 @length128(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length128:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $128
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length128:
; X64: # %bb.0:
; X64-NEXT: movl $128, %edx
}
define i1 @length128_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length128_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $128
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length128_eq:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i1 @length128_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length128_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $128
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length128_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length128_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length128_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $128
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length128_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length128_eq_const(i8* %X) nounwind {
-; X86-LABEL: length128_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $128
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length128_eq_const:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i32 @length192(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length192:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $192
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length192:
; X64: # %bb.0:
; X64-NEXT: movl $192, %edx
}
define i1 @length192_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length192_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $192
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length192_eq:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i1 @length192_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length192_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $192
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length192_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length192_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length192_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $192
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length192_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length192_eq_const(i8* %X) nounwind {
-; X86-LABEL: length192_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $192
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length192_eq_const:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i32 @length255(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length255:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $255
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length255:
; X64: # %bb.0:
; X64-NEXT: movl $255, %edx
}
define i1 @length255_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length255_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $255
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length255_eq:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i1 @length255_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length255_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $255
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length255_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length255_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length255_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $255
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length255_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length255_eq_const(i8* %X) nounwind {
-; X86-LABEL: length255_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $255
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length255_eq_const:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i32 @length256(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length256:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $256 # imm = 0x100
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length256:
; X64: # %bb.0:
; X64-NEXT: movl $256, %edx # imm = 0x100
}
define i1 @length256_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length256_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $256 # imm = 0x100
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length256_eq:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i1 @length256_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length256_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $256 # imm = 0x100
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length256_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length256_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length256_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $256 # imm = 0x100
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length256_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length256_eq_const(i8* %X) nounwind {
-; X86-LABEL: length256_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $256 # imm = 0x100
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length256_eq_const:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i32 @length384(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length384:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $384 # imm = 0x180
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length384:
; X64: # %bb.0:
; X64-NEXT: movl $384, %edx # imm = 0x180
}
define i1 @length384_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length384_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $384 # imm = 0x180
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length384_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length384_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length384_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $384 # imm = 0x180
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length384_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length384_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length384_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $384 # imm = 0x180
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length384_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length384_eq_const(i8* %X) nounwind {
-; X86-LABEL: length384_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $384 # imm = 0x180
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length384_eq_const:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length511(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length511:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $511 # imm = 0x1FF
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length511:
; X64: # %bb.0:
; X64-NEXT: movl $511, %edx # imm = 0x1FF
}
define i1 @length511_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length511_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $511 # imm = 0x1FF
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length511_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length511_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length511_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $511 # imm = 0x1FF
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length511_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length511_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length511_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $511 # imm = 0x1FF
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length511_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length511_eq_const(i8* %X) nounwind {
-; X86-LABEL: length511_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $511 # imm = 0x1FF
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length511_eq_const:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length512(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length512:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $512 # imm = 0x200
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length512:
; X64: # %bb.0:
; X64-NEXT: movl $512, %edx # imm = 0x200
}
define i1 @length512_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length512_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $512 # imm = 0x200
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length512_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length512_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length512_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $512 # imm = 0x200
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length512_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length512_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length512_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $512 # imm = 0x200
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length512_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length512_eq_const(i8* %X) nounwind {
-; X86-LABEL: length512_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $512 # imm = 0x200
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length512_eq_const:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
; This checks that we do not do stupid things with huge sizes.
define i32 @huge_length(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: huge_length:
-; X86: # %bb.0:
-; X86-NEXT: pushl $2147483647 # imm = 0x7FFFFFFF
-; X86-NEXT: pushl $-1
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: huge_length:
; X64: # %bb.0:
; X64-NEXT: movabsq $9223372036854775807, %rdx # imm = 0x7FFFFFFFFFFFFFFF
}
define i1 @huge_length_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: huge_length_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $2147483647 # imm = 0x7FFFFFFF
-; X86-NEXT: pushl $-1
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: huge_length_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
; This checks non-constant sizes.
define i32 @nonconst_length(i8* %X, i8* %Y, i64 %size) nounwind {
-; X86-LABEL: nonconst_length:
-; X86: # %bb.0:
-; X86-NEXT: jmp memcmp # TAILCALL
-;
; X64-LABEL: nonconst_length:
; X64: # %bb.0:
; X64-NEXT: jmp memcmp # TAILCALL
}
define i1 @nonconst_length_eq(i8* %X, i8* %Y, i64 %size) nounwind {
-; X86-LABEL: nonconst_length_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: nonconst_length_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefix=X86 --check-prefix=X86-NOSSE
+; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86 --check-prefix=X86-SSE2
+
+; This tests codegen time inlining/optimization of memcmp
+; rdar://6480398
+
+@.str = private constant [65 x i8] c"0123456789012345678901234567890123456789012345678901234567890123\00", align 1
+
+declare dso_local i32 @memcmp(i8*, i8*, i32)
+declare dso_local i32 @bcmp(i8*, i8*, i32)
+
+define i32 @length2(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length2:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: movzwl (%eax), %edx
+; X86-NEXT: rolw $8, %cx
+; X86-NEXT: rolw $8, %dx
+; X86-NEXT: movzwl %cx, %eax
+; X86-NEXT: movzwl %dx, %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ ret i32 %m
+}
+
+define i1 @length2_eq(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length2_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: cmpw (%eax), %cx
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_eq_const(i8* %X) nounwind optsize {
+; X86-LABEL: length2_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movzwl (%eax), %eax
+; X86-NEXT: cmpl $12849, %eax # imm = 0x3231
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 1), i32 2) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length2_eq_nobuiltin_attr:
+; X86: # %bb.0:
+; X86-NEXT: pushl $2
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind nobuiltin
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length3(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length3:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movzwl (%eax), %edx
+; X86-NEXT: movzwl (%ecx), %esi
+; X86-NEXT: rolw $8, %dx
+; X86-NEXT: rolw $8, %si
+; X86-NEXT: cmpw %si, %dx
+; X86-NEXT: jne .LBB4_3
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movzbl 2(%eax), %eax
+; X86-NEXT: movzbl 2(%ecx), %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: jmp .LBB4_2
+; X86-NEXT: .LBB4_3: # %res_block
+; X86-NEXT: setae %al
+; X86-NEXT: movzbl %al, %eax
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB4_2: # %endblock
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 3) nounwind
+ ret i32 %m
+}
+
+define i1 @length3_eq(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length3_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %edx
+; X86-NEXT: xorw (%eax), %dx
+; X86-NEXT: movb 2(%ecx), %cl
+; X86-NEXT: xorb 2(%eax), %cl
+; X86-NEXT: movzbl %cl, %eax
+; X86-NEXT: orw %dx, %ax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 3) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length4(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length4:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: seta %al
+; X86-NEXT: sbbl $0, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ ret i32 %m
+}
+
+define i1 @length4_eq(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length4_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: cmpl (%eax), %ecx
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length4_eq_const(i8* %X) nounwind optsize {
+; X86-LABEL: length4_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 1), i32 4) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length5(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length5:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: movl (%ecx), %esi
+; X86-NEXT: bswapl %edx
+; X86-NEXT: bswapl %esi
+; X86-NEXT: cmpl %esi, %edx
+; X86-NEXT: jne .LBB9_3
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movzbl 4(%eax), %eax
+; X86-NEXT: movzbl 4(%ecx), %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: jmp .LBB9_2
+; X86-NEXT: .LBB9_3: # %res_block
+; X86-NEXT: setae %al
+; X86-NEXT: movzbl %al, %eax
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB9_2: # %endblock
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 5) nounwind
+ ret i32 %m
+}
+
+define i1 @length5_eq(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length5_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: movb 4(%ecx), %cl
+; X86-NEXT: xorb 4(%eax), %cl
+; X86-NEXT: movzbl %cl, %eax
+; X86-NEXT: orl %edx, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 5) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length8(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length8:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT: movl (%esi), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB11_2
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movl 4(%esi), %ecx
+; X86-NEXT: movl 4(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: je .LBB11_3
+; X86-NEXT: .LBB11_2: # %res_block
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: setae %al
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB11_3: # %endblock
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 8) nounwind
+ ret i32 %m
+}
+
+define i1 @length8_eq(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length8_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 4(%ecx), %ecx
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 4(%eax), %ecx
+; X86-NEXT: orl %edx, %ecx
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 8) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length8_eq_const(i8* %X) nounwind optsize {
+; X86-LABEL: length8_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl $858927408, %ecx # imm = 0x33323130
+; X86-NEXT: xorl (%eax), %ecx
+; X86-NEXT: movl $926299444, %edx # imm = 0x37363534
+; X86-NEXT: xorl 4(%eax), %edx
+; X86-NEXT: orl %ecx, %edx
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 8) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length12_eq(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length12_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $12
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 12) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length12(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length12:
+; X86: # %bb.0:
+; X86-NEXT: pushl $12
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 12) nounwind
+ ret i32 %m
+}
+
+; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329
+
+define i32 @length16(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length16:
+; X86: # %bb.0:
+; X86-NEXT: pushl $16
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 16) nounwind
+ ret i32 %m
+}
+
+define i1 @length16_eq(i8* %x, i8* %y) nounwind optsize {
+; X86-NOSSE-LABEL: length16_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $16
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length16_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu (%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
+; X86-SSE2-NEXT: pmovmskb %xmm1, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 16) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length16_eq_const(i8* %X) nounwind optsize {
+; X86-NOSSE-LABEL: length16_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $16
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length16_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 16) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914
+
+define i32 @length24(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length24:
+; X86: # %bb.0:
+; X86-NEXT: pushl $24
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 24) nounwind
+ ret i32 %m
+}
+
+define i1 @length24_eq(i8* %x, i8* %y) nounwind optsize {
+; X86-NOSSE-LABEL: length24_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $24
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length24_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 8(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 8(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 24) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length24_eq_const(i8* %X) nounwind optsize {
+; X86-NOSSE-LABEL: length24_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $24
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length24_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 8(%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pand %xmm1, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 24) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length32(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length32:
+; X86: # %bb.0:
+; X86-NEXT: pushl $32
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 32) nounwind
+ ret i32 %m
+}
+
+; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325
+
+define i1 @length32_eq(i8* %x, i8* %y) nounwind optsize {
+; X86-NOSSE-LABEL: length32_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $32
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length32_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 32) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length32_eq_const(i8* %X) nounwind optsize {
+; X86-NOSSE-LABEL: length32_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $32
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length32_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pand %xmm1, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 32) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length64(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: length64:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 64) nounwind
+ ret i32 %m
+}
+
+define i1 @length64_eq(i8* %x, i8* %y) nounwind optsize {
+; X86-LABEL: length64_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 64) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length64_eq_const(i8* %X) nounwind optsize {
+; X86-LABEL: length64_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 64) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @bcmp_length2(i8* %X, i8* %Y) nounwind optsize {
+; X86-LABEL: bcmp_length2:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: movzwl (%eax), %edx
+; X86-NEXT: rolw $8, %cx
+; X86-NEXT: rolw $8, %dx
+; X86-NEXT: movzwl %cx, %eax
+; X86-NEXT: movzwl %dx, %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @bcmp(i8* %X, i8* %Y, i32 2) nounwind
+ ret i32 %m
+}
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefix=X86 --check-prefix=X86-NOSSE
-; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86 --check-prefix=X86-SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 --check-prefix=X64-SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX --check-prefix=X64-AVX1
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX --check-prefix=X64-AVX2
declare dso_local i32 @bcmp(i8*, i8*, i64)
define i32 @length2(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length2:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: movzwl (%eax), %edx
-; X86-NEXT: rolw $8, %cx
-; X86-NEXT: rolw $8, %dx
-; X86-NEXT: movzwl %cx, %eax
-; X86-NEXT: movzwl %dx, %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: length2:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length2_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: cmpw (%eax), %cx
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq_const(i8* %X) nounwind optsize {
-; X86-LABEL: length2_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movzwl (%eax), %eax
-; X86-NEXT: cmpl $12849, %eax # imm = 0x3231
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq_const:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length2_eq_nobuiltin_attr:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $2
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq_nobuiltin_attr:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length3(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length3:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movzwl (%eax), %edx
-; X86-NEXT: movzwl (%ecx), %esi
-; X86-NEXT: rolw $8, %dx
-; X86-NEXT: rolw $8, %si
-; X86-NEXT: cmpw %si, %dx
-; X86-NEXT: jne .LBB4_3
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movzbl 2(%eax), %eax
-; X86-NEXT: movzbl 2(%ecx), %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: jmp .LBB4_2
-; X86-NEXT: .LBB4_3: # %res_block
-; X86-NEXT: setae %al
-; X86-NEXT: movzbl %al, %eax
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB4_2: # %endblock
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length3:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length3_eq(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length3_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %edx
-; X86-NEXT: xorw (%eax), %dx
-; X86-NEXT: movb 2(%ecx), %cl
-; X86-NEXT: xorb 2(%eax), %cl
-; X86-NEXT: movzbl %cl, %eax
-; X86-NEXT: orw %dx, %ax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length3_eq:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i32 @length4(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length4:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: seta %al
-; X86-NEXT: sbbl $0, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: length4:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %ecx
}
define i1 @length4_eq(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length4_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: cmpl (%eax), %ecx
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length4_eq:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length4_eq_const(i8* %X) nounwind optsize {
-; X86-LABEL: length4_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length4_eq_const:
; X64: # %bb.0:
; X64-NEXT: cmpl $875770417, (%rdi) # imm = 0x34333231
}
define i32 @length5(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length5:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: movl (%ecx), %esi
-; X86-NEXT: bswapl %edx
-; X86-NEXT: bswapl %esi
-; X86-NEXT: cmpl %esi, %edx
-; X86-NEXT: jne .LBB9_3
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movzbl 4(%eax), %eax
-; X86-NEXT: movzbl 4(%ecx), %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: jmp .LBB9_2
-; X86-NEXT: .LBB9_3: # %res_block
-; X86-NEXT: setae %al
-; X86-NEXT: movzbl %al, %eax
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB9_2: # %endblock
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length5:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length5_eq(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length5_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: movb 4(%ecx), %cl
-; X86-NEXT: xorb 4(%eax), %cl
-; X86-NEXT: movzbl %cl, %eax
-; X86-NEXT: orl %edx, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length5_eq:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i32 @length8(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length8:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT: movl (%esi), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB11_2
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movl 4(%esi), %ecx
-; X86-NEXT: movl 4(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: je .LBB11_3
-; X86-NEXT: .LBB11_2: # %res_block
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: setae %al
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB11_3: # %endblock
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length8:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length8_eq(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length8_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 4(%ecx), %ecx
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 4(%eax), %ecx
-; X86-NEXT: orl %edx, %ecx
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length8_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length8_eq_const(i8* %X) nounwind optsize {
-; X86-LABEL: length8_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl $858927408, %ecx # imm = 0x33323130
-; X86-NEXT: xorl (%eax), %ecx
-; X86-NEXT: movl $926299444, %edx # imm = 0x37363534
-; X86-NEXT: xorl 4(%eax), %edx
-; X86-NEXT: orl %ecx, %edx
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length8_eq_const:
; X64: # %bb.0:
; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130
}
define i1 @length12_eq(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length12_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $12
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length12_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i32 @length12(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length12:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $12
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length12:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329
define i32 @length16(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length16:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $16
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length16:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length16_eq(i8* %x, i8* %y) nounwind optsize {
-; X86-NOSSE-LABEL: length16_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $16
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length16_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu (%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
-; X86-SSE2-NEXT: pmovmskb %xmm1, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length16_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length16_eq_const(i8* %X) nounwind optsize {
-; X86-NOSSE-LABEL: length16_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $16
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length16_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length16_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914
define i32 @length24(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length24:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $24
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length24:
; X64: # %bb.0:
; X64-NEXT: movl $24, %edx
}
define i1 @length24_eq(i8* %x, i8* %y) nounwind optsize {
-; X86-NOSSE-LABEL: length24_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $24
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length24_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 8(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 8(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length24_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length24_eq_const(i8* %X) nounwind optsize {
-; X86-NOSSE-LABEL: length24_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $24
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length24_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 8(%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pand %xmm1, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length24_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length32(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length32:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $32
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length32:
; X64: # %bb.0:
; X64-NEXT: movl $32, %edx
; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325
define i1 @length32_eq(i8* %x, i8* %y) nounwind optsize {
-; X86-NOSSE-LABEL: length32_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $32
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length32_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length32_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length32_eq_const(i8* %X) nounwind optsize {
-; X86-NOSSE-LABEL: length32_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $32
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length32_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pand %xmm1, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length32_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length64(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: length64:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length64:
; X64: # %bb.0:
; X64-NEXT: movl $64, %edx
}
define i1 @length64_eq(i8* %x, i8* %y) nounwind optsize {
-; X86-LABEL: length64_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE2-LABEL: length64_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: pushq %rax
}
define i1 @length64_eq_const(i8* %X) nounwind optsize {
-; X86-LABEL: length64_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE2-LABEL: length64_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: pushq %rax
}
define i32 @bcmp_length2(i8* %X, i8* %Y) nounwind optsize {
-; X86-LABEL: bcmp_length2:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: movzwl (%eax), %edx
-; X86-NEXT: rolw $8, %cx
-; X86-NEXT: rolw $8, %dx
-; X86-NEXT: movzwl %cx, %eax
-; X86-NEXT: movzwl %dx, %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: bcmp_length2:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
%m = tail call i32 @bcmp(i8* %X, i8* %Y, i64 2) nounwind
ret i32 %m
}
-
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefix=X86 --check-prefix=X86-NOSSE
+; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86 --check-prefix=X86-SSE2
+
+; This tests codegen time inlining/optimization of memcmp
+; rdar://6480398
+
+@.str = private constant [65 x i8] c"0123456789012345678901234567890123456789012345678901234567890123\00", align 1
+
+declare dso_local i32 @memcmp(i8*, i8*, i32)
+declare dso_local i32 @bcmp(i8*, i8*, i32)
+
+define i32 @length2(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length2:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: movzwl (%eax), %edx
+; X86-NEXT: rolw $8, %cx
+; X86-NEXT: rolw $8, %dx
+; X86-NEXT: movzwl %cx, %eax
+; X86-NEXT: movzwl %dx, %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ ret i32 %m
+}
+
+define i1 @length2_eq(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length2_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: cmpw (%eax), %cx
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_eq_const(i8* %X) nounwind !prof !14 {
+; X86-LABEL: length2_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movzwl (%eax), %eax
+; X86-NEXT: cmpl $12849, %eax # imm = 0x3231
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 1), i32 2) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length2_eq_nobuiltin_attr:
+; X86: # %bb.0:
+; X86-NEXT: pushl $2
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind nobuiltin
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length3(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length3:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movzwl (%eax), %edx
+; X86-NEXT: movzwl (%ecx), %esi
+; X86-NEXT: rolw $8, %dx
+; X86-NEXT: rolw $8, %si
+; X86-NEXT: cmpw %si, %dx
+; X86-NEXT: jne .LBB4_3
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movzbl 2(%eax), %eax
+; X86-NEXT: movzbl 2(%ecx), %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: jmp .LBB4_2
+; X86-NEXT: .LBB4_3: # %res_block
+; X86-NEXT: setae %al
+; X86-NEXT: movzbl %al, %eax
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB4_2: # %endblock
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 3) nounwind
+ ret i32 %m
+}
+
+define i1 @length3_eq(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length3_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %edx
+; X86-NEXT: xorw (%eax), %dx
+; X86-NEXT: movb 2(%ecx), %cl
+; X86-NEXT: xorb 2(%eax), %cl
+; X86-NEXT: movzbl %cl, %eax
+; X86-NEXT: orw %dx, %ax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 3) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length4(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length4:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: seta %al
+; X86-NEXT: sbbl $0, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ ret i32 %m
+}
+
+define i1 @length4_eq(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length4_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: cmpl (%eax), %ecx
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length4_eq_const(i8* %X) nounwind !prof !14 {
+; X86-LABEL: length4_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 1), i32 4) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length5(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length5:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: movl (%ecx), %esi
+; X86-NEXT: bswapl %edx
+; X86-NEXT: bswapl %esi
+; X86-NEXT: cmpl %esi, %edx
+; X86-NEXT: jne .LBB9_3
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movzbl 4(%eax), %eax
+; X86-NEXT: movzbl 4(%ecx), %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: jmp .LBB9_2
+; X86-NEXT: .LBB9_3: # %res_block
+; X86-NEXT: setae %al
+; X86-NEXT: movzbl %al, %eax
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB9_2: # %endblock
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 5) nounwind
+ ret i32 %m
+}
+
+define i1 @length5_eq(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length5_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: movb 4(%ecx), %cl
+; X86-NEXT: xorb 4(%eax), %cl
+; X86-NEXT: movzbl %cl, %eax
+; X86-NEXT: orl %edx, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 5) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length8(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length8:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT: movl (%esi), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB11_2
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movl 4(%esi), %ecx
+; X86-NEXT: movl 4(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: je .LBB11_3
+; X86-NEXT: .LBB11_2: # %res_block
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: setae %al
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB11_3: # %endblock
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 8) nounwind
+ ret i32 %m
+}
+
+define i1 @length8_eq(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length8_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 4(%ecx), %ecx
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 4(%eax), %ecx
+; X86-NEXT: orl %edx, %ecx
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 8) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length8_eq_const(i8* %X) nounwind !prof !14 {
+; X86-LABEL: length8_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl $858927408, %ecx # imm = 0x33323130
+; X86-NEXT: xorl (%eax), %ecx
+; X86-NEXT: movl $926299444, %edx # imm = 0x37363534
+; X86-NEXT: xorl 4(%eax), %edx
+; X86-NEXT: orl %ecx, %edx
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 8) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length12_eq(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length12_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $12
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 12) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length12(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length12:
+; X86: # %bb.0:
+; X86-NEXT: pushl $12
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 12) nounwind
+ ret i32 %m
+}
+
+; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329
+
+define i32 @length16(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length16:
+; X86: # %bb.0:
+; X86-NEXT: pushl $16
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 16) nounwind
+ ret i32 %m
+}
+
+define i1 @length16_eq(i8* %x, i8* %y) nounwind !prof !14 {
+; X86-NOSSE-LABEL: length16_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $16
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length16_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu (%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
+; X86-SSE2-NEXT: pmovmskb %xmm1, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 16) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length16_eq_const(i8* %X) nounwind !prof !14 {
+; X86-NOSSE-LABEL: length16_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $16
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length16_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 16) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914
+
+define i32 @length24(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length24:
+; X86: # %bb.0:
+; X86-NEXT: pushl $24
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 24) nounwind
+ ret i32 %m
+}
+
+define i1 @length24_eq(i8* %x, i8* %y) nounwind !prof !14 {
+; X86-NOSSE-LABEL: length24_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $24
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length24_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 8(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 8(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 24) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length24_eq_const(i8* %X) nounwind !prof !14 {
+; X86-NOSSE-LABEL: length24_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $24
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length24_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 8(%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pand %xmm1, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 24) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length32(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length32:
+; X86: # %bb.0:
+; X86-NEXT: pushl $32
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 32) nounwind
+ ret i32 %m
+}
+
+; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325
+
+define i1 @length32_eq(i8* %x, i8* %y) nounwind !prof !14 {
+; X86-NOSSE-LABEL: length32_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $32
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length32_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 32) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length32_eq_const(i8* %X) nounwind !prof !14 {
+; X86-NOSSE-LABEL: length32_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $32
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE2-LABEL: length32_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pand %xmm1, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 32) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length64(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: length64:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 64) nounwind
+ ret i32 %m
+}
+
+define i1 @length64_eq(i8* %x, i8* %y) nounwind !prof !14 {
+; X86-LABEL: length64_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 64) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length64_eq_const(i8* %X) nounwind !prof !14 {
+; X86-LABEL: length64_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i32 64) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @bcmp_length2(i8* %X, i8* %Y) nounwind !prof !14 {
+; X86-LABEL: bcmp_length2:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: movzwl (%eax), %edx
+; X86-NEXT: rolw $8, %cx
+; X86-NEXT: rolw $8, %dx
+; X86-NEXT: movzwl %cx, %eax
+; X86-NEXT: movzwl %dx, %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @bcmp(i8* %X, i8* %Y, i32 2) nounwind
+ ret i32 %m
+}
+
+!llvm.module.flags = !{!0}
+!0 = !{i32 1, !"ProfileSummary", !1}
+!1 = !{!2, !3, !4, !5, !6, !7, !8, !9}
+!2 = !{!"ProfileFormat", !"InstrProf"}
+!3 = !{!"TotalCount", i32 10000}
+!4 = !{!"MaxCount", i32 10}
+!5 = !{!"MaxInternalCount", i32 1}
+!6 = !{!"MaxFunctionCount", i32 1000}
+!7 = !{!"NumCounts", i32 3}
+!8 = !{!"NumFunctions", i32 3}
+!9 = !{!"DetailedSummary", !10}
+!10 = !{!11, !12, !13}
+!11 = !{i32 10000, i32 100, i32 1}
+!12 = !{i32 999000, i32 100, i32 1}
+!13 = !{i32 999999, i32 1, i32 2}
+!14 = !{!"function_entry_count", i32 0}
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefix=X86 --check-prefix=X86-NOSSE
-; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86 --check-prefix=X86-SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 --check-prefix=X64-SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX --check-prefix=X64-AVX1
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX --check-prefix=X64-AVX2
declare dso_local i32 @bcmp(i8*, i8*, i64)
define i32 @length2(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length2:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: movzwl (%eax), %edx
-; X86-NEXT: rolw $8, %cx
-; X86-NEXT: rolw $8, %dx
-; X86-NEXT: movzwl %cx, %eax
-; X86-NEXT: movzwl %dx, %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: length2:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length2_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: cmpw (%eax), %cx
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq_const(i8* %X) nounwind !prof !14 {
-; X86-LABEL: length2_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movzwl (%eax), %eax
-; X86-NEXT: cmpl $12849, %eax # imm = 0x3231
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq_const:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length2_eq_nobuiltin_attr:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $2
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq_nobuiltin_attr:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length3(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length3:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movzwl (%eax), %edx
-; X86-NEXT: movzwl (%ecx), %esi
-; X86-NEXT: rolw $8, %dx
-; X86-NEXT: rolw $8, %si
-; X86-NEXT: cmpw %si, %dx
-; X86-NEXT: jne .LBB4_3
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movzbl 2(%eax), %eax
-; X86-NEXT: movzbl 2(%ecx), %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: jmp .LBB4_2
-; X86-NEXT: .LBB4_3: # %res_block
-; X86-NEXT: setae %al
-; X86-NEXT: movzbl %al, %eax
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB4_2: # %endblock
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length3:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length3_eq(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length3_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %edx
-; X86-NEXT: xorw (%eax), %dx
-; X86-NEXT: movb 2(%ecx), %cl
-; X86-NEXT: xorb 2(%eax), %cl
-; X86-NEXT: movzbl %cl, %eax
-; X86-NEXT: orw %dx, %ax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length3_eq:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i32 @length4(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length4:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: seta %al
-; X86-NEXT: sbbl $0, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: length4:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %ecx
}
define i1 @length4_eq(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length4_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: cmpl (%eax), %ecx
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length4_eq:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length4_eq_const(i8* %X) nounwind !prof !14 {
-; X86-LABEL: length4_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length4_eq_const:
; X64: # %bb.0:
; X64-NEXT: cmpl $875770417, (%rdi) # imm = 0x34333231
}
define i32 @length5(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length5:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: movl (%ecx), %esi
-; X86-NEXT: bswapl %edx
-; X86-NEXT: bswapl %esi
-; X86-NEXT: cmpl %esi, %edx
-; X86-NEXT: jne .LBB9_3
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movzbl 4(%eax), %eax
-; X86-NEXT: movzbl 4(%ecx), %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: jmp .LBB9_2
-; X86-NEXT: .LBB9_3: # %res_block
-; X86-NEXT: setae %al
-; X86-NEXT: movzbl %al, %eax
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB9_2: # %endblock
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length5:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length5_eq(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length5_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: movb 4(%ecx), %cl
-; X86-NEXT: xorb 4(%eax), %cl
-; X86-NEXT: movzbl %cl, %eax
-; X86-NEXT: orl %edx, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length5_eq:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i32 @length8(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length8:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT: movl (%esi), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB11_2
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movl 4(%esi), %ecx
-; X86-NEXT: movl 4(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: je .LBB11_3
-; X86-NEXT: .LBB11_2: # %res_block
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: setae %al
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB11_3: # %endblock
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length8:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length8_eq(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length8_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 4(%ecx), %ecx
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 4(%eax), %ecx
-; X86-NEXT: orl %edx, %ecx
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length8_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length8_eq_const(i8* %X) nounwind !prof !14 {
-; X86-LABEL: length8_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl $858927408, %ecx # imm = 0x33323130
-; X86-NEXT: xorl (%eax), %ecx
-; X86-NEXT: movl $926299444, %edx # imm = 0x37363534
-; X86-NEXT: xorl 4(%eax), %edx
-; X86-NEXT: orl %ecx, %edx
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length8_eq_const:
; X64: # %bb.0:
; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130
}
define i1 @length12_eq(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length12_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $12
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length12_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i32 @length12(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length12:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $12
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length12:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329
define i32 @length16(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length16:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $16
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length16:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length16_eq(i8* %x, i8* %y) nounwind !prof !14 {
-; X86-NOSSE-LABEL: length16_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $16
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length16_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu (%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
-; X86-SSE2-NEXT: pmovmskb %xmm1, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length16_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length16_eq_const(i8* %X) nounwind !prof !14 {
-; X86-NOSSE-LABEL: length16_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $16
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length16_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length16_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914
define i32 @length24(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length24:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $24
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length24:
; X64: # %bb.0:
; X64-NEXT: movl $24, %edx
}
define i1 @length24_eq(i8* %x, i8* %y) nounwind !prof !14 {
-; X86-NOSSE-LABEL: length24_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $24
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length24_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 8(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 8(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length24_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length24_eq_const(i8* %X) nounwind !prof !14 {
-; X86-NOSSE-LABEL: length24_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $24
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length24_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 8(%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pand %xmm1, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length24_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length32(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length32:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $32
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length32:
; X64: # %bb.0:
; X64-NEXT: movl $32, %edx
; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325
define i1 @length32_eq(i8* %x, i8* %y) nounwind !prof !14 {
-; X86-NOSSE-LABEL: length32_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $32
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length32_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length32_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length32_eq_const(i8* %X) nounwind !prof !14 {
-; X86-NOSSE-LABEL: length32_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $32
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE2-LABEL: length32_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pand %xmm1, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
; X64-SSE2-LABEL: length32_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length64(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: length64:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length64:
; X64: # %bb.0:
; X64-NEXT: movl $64, %edx
}
define i1 @length64_eq(i8* %x, i8* %y) nounwind !prof !14 {
-; X86-LABEL: length64_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE2-LABEL: length64_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: pushq %rax
}
define i1 @length64_eq_const(i8* %X) nounwind !prof !14 {
-; X86-LABEL: length64_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE2-LABEL: length64_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: pushq %rax
}
define i32 @bcmp_length2(i8* %X, i8* %Y) nounwind !prof !14 {
-; X86-LABEL: bcmp_length2:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: movzwl (%eax), %edx
-; X86-NEXT: rolw $8, %cx
-; X86-NEXT: rolw $8, %dx
-; X86-NEXT: movzwl %cx, %eax
-; X86-NEXT: movzwl %dx, %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: bcmp_length2:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefixes=X86,X86-NOSSE
+; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse | FileCheck %s --check-prefixes=X86,X86-SSE1
+; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=X86,X86-SSE2
+; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefixes=X86,X86-SSE41
+
+; This tests codegen time inlining/optimization of memcmp
+; rdar://6480398
+
+@.str = private constant [513 x i8] c"01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901\00", align 1
+
+declare dso_local i32 @memcmp(i8*, i8*, i32)
+
+define i32 @length0(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length0:
+; X86: # %bb.0:
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 0) nounwind
+ ret i32 %m
+ }
+
+define i1 @length0_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length0_eq:
+; X86: # %bb.0:
+; X86-NEXT: movb $1, %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 0) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length0_lt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length0_lt:
+; X86: # %bb.0:
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 0) nounwind
+ %c = icmp slt i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length2(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length2:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: movzwl (%eax), %edx
+; X86-NEXT: rolw $8, %cx
+; X86-NEXT: rolw $8, %dx
+; X86-NEXT: movzwl %cx, %eax
+; X86-NEXT: movzwl %dx, %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ ret i32 %m
+}
+
+define i32 @length2_const(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length2_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movzwl (%eax), %eax
+; X86-NEXT: rolw $8, %ax
+; X86-NEXT: movzwl %ax, %eax
+; X86-NEXT: addl $-12594, %eax # imm = 0xCECE
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 1), i32 2) nounwind
+ ret i32 %m
+}
+
+define i1 @length2_gt_const(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length2_gt_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movzwl (%eax), %eax
+; X86-NEXT: rolw $8, %ax
+; X86-NEXT: movzwl %ax, %eax
+; X86-NEXT: addl $-12594, %eax # imm = 0xCECE
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 1), i32 2) nounwind
+ %c = icmp sgt i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length2_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: cmpw (%eax), %cx
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_lt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length2_lt:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: movzwl (%eax), %edx
+; X86-NEXT: rolw $8, %cx
+; X86-NEXT: rolw $8, %dx
+; X86-NEXT: movzwl %cx, %eax
+; X86-NEXT: movzwl %dx, %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ %c = icmp slt i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_gt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length2_gt:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %ecx
+; X86-NEXT: movzwl (%eax), %eax
+; X86-NEXT: rolw $8, %cx
+; X86-NEXT: rolw $8, %ax
+; X86-NEXT: movzwl %cx, %ecx
+; X86-NEXT: movzwl %ax, %eax
+; X86-NEXT: subl %eax, %ecx
+; X86-NEXT: testl %ecx, %ecx
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind
+ %c = icmp sgt i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_eq_const(i8* %X) nounwind {
+; X86-LABEL: length2_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movzwl (%eax), %eax
+; X86-NEXT: cmpl $12849, %eax # imm = 0x3231
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 1), i32 2) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length2_eq_nobuiltin_attr:
+; X86: # %bb.0:
+; X86-NEXT: pushl $2
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 2) nounwind nobuiltin
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length3(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length3:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movzwl (%eax), %edx
+; X86-NEXT: movzwl (%ecx), %esi
+; X86-NEXT: rolw $8, %dx
+; X86-NEXT: rolw $8, %si
+; X86-NEXT: cmpw %si, %dx
+; X86-NEXT: jne .LBB11_3
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movzbl 2(%eax), %eax
+; X86-NEXT: movzbl 2(%ecx), %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+; X86-NEXT: .LBB11_3: # %res_block
+; X86-NEXT: setae %al
+; X86-NEXT: movzbl %al, %eax
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 3) nounwind
+ ret i32 %m
+}
+
+define i1 @length3_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length3_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzwl (%ecx), %edx
+; X86-NEXT: xorw (%eax), %dx
+; X86-NEXT: movb 2(%ecx), %cl
+; X86-NEXT: xorb 2(%eax), %cl
+; X86-NEXT: movzbl %cl, %eax
+; X86-NEXT: orw %dx, %ax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 3) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length4(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length4:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: seta %al
+; X86-NEXT: sbbl $0, %eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ ret i32 %m
+}
+
+define i1 @length4_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length4_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: cmpl (%eax), %ecx
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length4_lt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length4_lt:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: seta %al
+; X86-NEXT: sbbl $0, %eax
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ %c = icmp slt i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length4_gt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length4_gt:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: movl (%eax), %eax
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %eax
+; X86-NEXT: xorl %edx, %edx
+; X86-NEXT: cmpl %eax, %ecx
+; X86-NEXT: seta %dl
+; X86-NEXT: sbbl $0, %edx
+; X86-NEXT: testl %edx, %edx
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 4) nounwind
+ %c = icmp sgt i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length4_eq_const(i8* %X) nounwind {
+; X86-LABEL: length4_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 1), i32 4) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length5(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length5:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: movl (%ecx), %esi
+; X86-NEXT: bswapl %edx
+; X86-NEXT: bswapl %esi
+; X86-NEXT: cmpl %esi, %edx
+; X86-NEXT: jne .LBB18_3
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movzbl 4(%eax), %eax
+; X86-NEXT: movzbl 4(%ecx), %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+; X86-NEXT: .LBB18_3: # %res_block
+; X86-NEXT: setae %al
+; X86-NEXT: movzbl %al, %eax
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 5) nounwind
+ ret i32 %m
+}
+
+define i1 @length5_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length5_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: movb 4(%ecx), %cl
+; X86-NEXT: xorb 4(%eax), %cl
+; X86-NEXT: movzbl %cl, %eax
+; X86-NEXT: orl %edx, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 5) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length5_lt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length5_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: movl (%ecx), %esi
+; X86-NEXT: bswapl %edx
+; X86-NEXT: bswapl %esi
+; X86-NEXT: cmpl %esi, %edx
+; X86-NEXT: jne .LBB20_3
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movzbl 4(%eax), %eax
+; X86-NEXT: movzbl 4(%ecx), %ecx
+; X86-NEXT: subl %ecx, %eax
+; X86-NEXT: jmp .LBB20_2
+; X86-NEXT: .LBB20_3: # %res_block
+; X86-NEXT: setae %al
+; X86-NEXT: movzbl %al, %eax
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB20_2: # %endblock
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 5) nounwind
+ %c = icmp slt i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length7(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length7:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT: movl (%esi), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB21_2
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movl 3(%esi), %ecx
+; X86-NEXT: movl 3(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: je .LBB21_3
+; X86-NEXT: .LBB21_2: # %res_block
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: setae %al
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB21_3: # %endblock
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 7) nounwind
+ ret i32 %m
+}
+
+define i1 @length7_lt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length7_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT: movl (%esi), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB22_2
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movl 3(%esi), %ecx
+; X86-NEXT: movl 3(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: je .LBB22_3
+; X86-NEXT: .LBB22_2: # %res_block
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: setae %al
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB22_3: # %endblock
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 7) nounwind
+ %c = icmp slt i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length7_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length7_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 3(%ecx), %ecx
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 3(%eax), %ecx
+; X86-NEXT: orl %edx, %ecx
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 7) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length8(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length8:
+; X86: # %bb.0:
+; X86-NEXT: pushl %esi
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT: movl (%esi), %ecx
+; X86-NEXT: movl (%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: jne .LBB24_2
+; X86-NEXT: # %bb.1: # %loadbb1
+; X86-NEXT: movl 4(%esi), %ecx
+; X86-NEXT: movl 4(%eax), %edx
+; X86-NEXT: bswapl %ecx
+; X86-NEXT: bswapl %edx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: je .LBB24_3
+; X86-NEXT: .LBB24_2: # %res_block
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: cmpl %edx, %ecx
+; X86-NEXT: setae %al
+; X86-NEXT: leal -1(%eax,%eax), %eax
+; X86-NEXT: .LBB24_3: # %endblock
+; X86-NEXT: popl %esi
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 8) nounwind
+ ret i32 %m
+}
+
+define i1 @length8_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length8_eq:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %edx
+; X86-NEXT: movl 4(%ecx), %ecx
+; X86-NEXT: xorl (%eax), %edx
+; X86-NEXT: xorl 4(%eax), %ecx
+; X86-NEXT: orl %edx, %ecx
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 8) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length8_eq_const(i8* %X) nounwind {
+; X86-LABEL: length8_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl $858927408, %ecx # imm = 0x33323130
+; X86-NEXT: xorl (%eax), %ecx
+; X86-NEXT: movl $926299444, %edx # imm = 0x37363534
+; X86-NEXT: xorl 4(%eax), %edx
+; X86-NEXT: orl %ecx, %edx
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 8) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length9_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length9_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $9
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 9) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length10_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length10_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $10
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 10) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length11_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length11_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $11
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 11) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length12_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length12_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $12
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 12) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length12(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length12:
+; X86: # %bb.0:
+; X86-NEXT: pushl $12
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 12) nounwind
+ ret i32 %m
+}
+
+define i1 @length13_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length13_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $13
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 13) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length14_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length14_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $14
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 14) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length15(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length15:
+; X86: # %bb.0:
+; X86-NEXT: pushl $15
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 15) nounwind
+ ret i32 %m
+}
+
+define i1 @length15_lt(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length15_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $15
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 15) nounwind
+ %c = icmp slt i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length15_const(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length15_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $15
+; X86-NEXT: pushl $.L.str+1
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 1), i32 15) nounwind
+ ret i32 %m
+}
+
+define i1 @length15_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length15_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $15
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 15) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i1 @length15_gt_const(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length15_gt_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $15
+; X86-NEXT: pushl $.L.str+1
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 1), i32 15) nounwind
+ %c = icmp sgt i32 %m, 0
+ ret i1 %c
+}
+
+; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329
+
+define i32 @length16(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length16:
+; X86: # %bb.0:
+; X86-NEXT: pushl $16
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 16) nounwind
+ ret i32 %m
+}
+
+define i1 @length16_eq(i8* %x, i8* %y) nounwind {
+; X86-NOSSE-LABEL: length16_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $16
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length16_eq:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $16
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: setne %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length16_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu (%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
+; X86-SSE2-NEXT: pmovmskb %xmm1, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length16_eq:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu (%eax), %xmm1
+; X86-SSE41-NEXT: pxor %xmm0, %xmm1
+; X86-SSE41-NEXT: ptest %xmm1, %xmm1
+; X86-SSE41-NEXT: setne %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 16) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length16_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length16_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $16
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 16) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length16_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length16_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $16
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 16) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length16_eq_const(i8* %X) nounwind {
+; X86-NOSSE-LABEL: length16_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $16
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length16_eq_const:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $16
+; X86-SSE1-NEXT: pushl $.L.str
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length16_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length16_eq_const:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movdqu (%eax), %xmm0
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 16) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914
+
+define i32 @length24(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length24:
+; X86: # %bb.0:
+; X86-NEXT: pushl $24
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 24) nounwind
+ ret i32 %m
+}
+
+define i1 @length24_eq(i8* %x, i8* %y) nounwind {
+; X86-NOSSE-LABEL: length24_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $24
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length24_eq:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $24
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length24_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 8(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 8(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length24_eq:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 8(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 8(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: por %xmm2, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 24) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length24_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length24_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $24
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 24) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length24_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length24_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $24
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 24) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length24_eq_const(i8* %X) nounwind {
+; X86-NOSSE-LABEL: length24_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $24
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length24_eq_const:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $24
+; X86-SSE1-NEXT: pushl $.L.str
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: setne %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length24_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 8(%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pand %xmm1, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length24_eq_const:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movdqu (%eax), %xmm0
+; X86-SSE41-NEXT: movdqu 8(%eax), %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE41-NEXT: por %xmm1, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: setne %al
+; X86-SSE41-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 24) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length31(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length31:
+; X86: # %bb.0:
+; X86-NEXT: pushl $31
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 31) nounwind
+ ret i32 %m
+}
+
+define i1 @length31_eq(i8* %x, i8* %y) nounwind {
+; X86-NOSSE-LABEL: length31_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $31
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length31_eq:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $31
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length31_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 15(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 15(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length31_eq:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 15(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 15(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: por %xmm2, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 31) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length31_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length31_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $31
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 31) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length31_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length31_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $31
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 31) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length31_eq_prefer128(i8* %x, i8* %y) nounwind "prefer-vector-width"="128" {
+; X86-NOSSE-LABEL: length31_eq_prefer128:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $31
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length31_eq_prefer128:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $31
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length31_eq_prefer128:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 15(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 15(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length31_eq_prefer128:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 15(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 15(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: por %xmm2, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 31) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length31_eq_const(i8* %X) nounwind {
+; X86-NOSSE-LABEL: length31_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $31
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length31_eq_const:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $31
+; X86-SSE1-NEXT: pushl $.L.str
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: setne %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length31_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 15(%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pand %xmm1, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length31_eq_const:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movdqu (%eax), %xmm0
+; X86-SSE41-NEXT: movdqu 15(%eax), %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE41-NEXT: por %xmm1, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: setne %al
+; X86-SSE41-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 31) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length32(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length32:
+; X86: # %bb.0:
+; X86-NEXT: pushl $32
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 32) nounwind
+ ret i32 %m
+}
+
+; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325
+
+define i1 @length32_eq(i8* %x, i8* %y) nounwind {
+; X86-NOSSE-LABEL: length32_eq:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $32
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length32_eq:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $32
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length32_eq:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length32_eq:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: por %xmm2, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 32) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length32_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length32_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $32
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 32) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length32_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length32_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $32
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 32) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length32_eq_prefer128(i8* %x, i8* %y) nounwind "prefer-vector-width"="128" {
+; X86-NOSSE-LABEL: length32_eq_prefer128:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $32
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: sete %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length32_eq_prefer128:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $32
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: sete %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length32_eq_prefer128:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE2-NEXT: movdqu (%eax), %xmm2
+; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
+; X86-SSE2-NEXT: pand %xmm2, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: sete %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length32_eq_prefer128:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
+; X86-SSE41-NEXT: movdqu (%eax), %xmm2
+; X86-SSE41-NEXT: pxor %xmm0, %xmm2
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
+; X86-SSE41-NEXT: pxor %xmm1, %xmm0
+; X86-SSE41-NEXT: por %xmm2, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: sete %al
+; X86-SSE41-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 32) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length32_eq_const(i8* %X) nounwind {
+; X86-NOSSE-LABEL: length32_eq_const:
+; X86-NOSSE: # %bb.0:
+; X86-NOSSE-NEXT: pushl $32
+; X86-NOSSE-NEXT: pushl $.L.str
+; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT: calll memcmp
+; X86-NOSSE-NEXT: addl $12, %esp
+; X86-NOSSE-NEXT: testl %eax, %eax
+; X86-NOSSE-NEXT: setne %al
+; X86-NOSSE-NEXT: retl
+;
+; X86-SSE1-LABEL: length32_eq_const:
+; X86-SSE1: # %bb.0:
+; X86-SSE1-NEXT: pushl $32
+; X86-SSE1-NEXT: pushl $.L.str
+; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-SSE1-NEXT: calll memcmp
+; X86-SSE1-NEXT: addl $12, %esp
+; X86-SSE1-NEXT: testl %eax, %eax
+; X86-SSE1-NEXT: setne %al
+; X86-SSE1-NEXT: retl
+;
+; X86-SSE2-LABEL: length32_eq_const:
+; X86-SSE2: # %bb.0:
+; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE2-NEXT: movdqu (%eax), %xmm0
+; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE2-NEXT: pand %xmm1, %xmm0
+; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
+; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
+; X86-SSE2-NEXT: setne %al
+; X86-SSE2-NEXT: retl
+;
+; X86-SSE41-LABEL: length32_eq_const:
+; X86-SSE41: # %bb.0:
+; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-SSE41-NEXT: movdqu (%eax), %xmm0
+; X86-SSE41-NEXT: movdqu 16(%eax), %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
+; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
+; X86-SSE41-NEXT: por %xmm1, %xmm0
+; X86-SSE41-NEXT: ptest %xmm0, %xmm0
+; X86-SSE41-NEXT: setne %al
+; X86-SSE41-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 32) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length48(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length48:
+; X86: # %bb.0:
+; X86-NEXT: pushl $48
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 48) nounwind
+ ret i32 %m
+}
+
+define i1 @length48_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length48_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $48
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 48) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length48_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length48_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $48
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 48) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length48_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length48_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $48
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 48) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length48_eq_prefer128(i8* %x, i8* %y) nounwind "prefer-vector-width"="128" {
+; X86-LABEL: length48_eq_prefer128:
+; X86: # %bb.0:
+; X86-NEXT: pushl $48
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 48) nounwind
+ %cmp = icmp eq i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length48_eq_const(i8* %X) nounwind {
+; X86-LABEL: length48_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $48
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 48) nounwind
+ %c = icmp ne i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length63(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length63:
+; X86: # %bb.0:
+; X86-NEXT: pushl $63
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 63) nounwind
+ ret i32 %m
+}
+
+define i1 @length63_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length63_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $63
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 63) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length63_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length63_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $63
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 63) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length63_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length63_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $63
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 63) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length63_eq_const(i8* %X) nounwind {
+; X86-LABEL: length63_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $63
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 63) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length64(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length64:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 64) nounwind
+ ret i32 %m
+}
+
+define i1 @length64_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length64_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 64) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length64_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length64_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 64) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length64_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length64_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 64) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length64_eq_const(i8* %X) nounwind {
+; X86-LABEL: length64_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $64
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 64) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length96(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length96:
+; X86: # %bb.0:
+; X86-NEXT: pushl $96
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 96) nounwind
+ ret i32 %m
+}
+
+define i1 @length96_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length96_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $96
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 96) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length96_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length96_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $96
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 96) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length96_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length96_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $96
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 96) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length96_eq_const(i8* %X) nounwind {
+; X86-LABEL: length96_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $96
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 96) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length127(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length127:
+; X86: # %bb.0:
+; X86-NEXT: pushl $127
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 127) nounwind
+ ret i32 %m
+}
+
+define i1 @length127_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length127_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $127
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 127) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length127_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length127_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $127
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 127) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length127_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length127_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $127
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 127) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length127_eq_const(i8* %X) nounwind {
+; X86-LABEL: length127_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $127
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 127) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length128(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length128:
+; X86: # %bb.0:
+; X86-NEXT: pushl $128
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 128) nounwind
+ ret i32 %m
+}
+
+define i1 @length128_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length128_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $128
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 128) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length128_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length128_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $128
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 128) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length128_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length128_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $128
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 128) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length128_eq_const(i8* %X) nounwind {
+; X86-LABEL: length128_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $128
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 128) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length192(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length192:
+; X86: # %bb.0:
+; X86-NEXT: pushl $192
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 192) nounwind
+ ret i32 %m
+}
+
+define i1 @length192_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length192_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $192
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 192) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length192_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length192_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $192
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 192) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length192_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length192_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $192
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 192) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length192_eq_const(i8* %X) nounwind {
+; X86-LABEL: length192_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $192
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 192) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length255(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length255:
+; X86: # %bb.0:
+; X86-NEXT: pushl $255
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 255) nounwind
+ ret i32 %m
+}
+
+define i1 @length255_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length255_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $255
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 255) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length255_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length255_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $255
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 255) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length255_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length255_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $255
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 255) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length255_eq_const(i8* %X) nounwind {
+; X86-LABEL: length255_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $255
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 255) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length256(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length256:
+; X86: # %bb.0:
+; X86-NEXT: pushl $256 # imm = 0x100
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 256) nounwind
+ ret i32 %m
+}
+
+define i1 @length256_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length256_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $256 # imm = 0x100
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 256) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length256_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length256_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $256 # imm = 0x100
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 256) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length256_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length256_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $256 # imm = 0x100
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 256) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length256_eq_const(i8* %X) nounwind {
+; X86-LABEL: length256_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $256 # imm = 0x100
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 256) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length384(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length384:
+; X86: # %bb.0:
+; X86-NEXT: pushl $384 # imm = 0x180
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 384) nounwind
+ ret i32 %m
+}
+
+define i1 @length384_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length384_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $384 # imm = 0x180
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 384) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length384_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length384_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $384 # imm = 0x180
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 384) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length384_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length384_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $384 # imm = 0x180
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 384) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length384_eq_const(i8* %X) nounwind {
+; X86-LABEL: length384_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $384 # imm = 0x180
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 384) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length511(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length511:
+; X86: # %bb.0:
+; X86-NEXT: pushl $511 # imm = 0x1FF
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 511) nounwind
+ ret i32 %m
+}
+
+define i1 @length511_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length511_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $511 # imm = 0x1FF
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 511) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length511_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length511_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $511 # imm = 0x1FF
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 511) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length511_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length511_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $511 # imm = 0x1FF
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 511) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length511_eq_const(i8* %X) nounwind {
+; X86-LABEL: length511_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $511 # imm = 0x1FF
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 511) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+define i32 @length512(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: length512:
+; X86: # %bb.0:
+; X86-NEXT: pushl $512 # imm = 0x200
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 512) nounwind
+ ret i32 %m
+}
+
+define i1 @length512_eq(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length512_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $512 # imm = 0x200
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setne %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 512) nounwind
+ %cmp = icmp ne i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length512_lt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length512_lt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $512 # imm = 0x200
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: shrl $31, %eax
+; X86-NEXT: # kill: def $al killed $al killed $eax
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 512) nounwind
+ %cmp = icmp slt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length512_gt(i8* %x, i8* %y) nounwind {
+; X86-LABEL: length512_gt:
+; X86: # %bb.0:
+; X86-NEXT: pushl $512 # imm = 0x200
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: setg %al
+; X86-NEXT: retl
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 512) nounwind
+ %cmp = icmp sgt i32 %call, 0
+ ret i1 %cmp
+}
+
+define i1 @length512_eq_const(i8* %X) nounwind {
+; X86-LABEL: length512_eq_const:
+; X86: # %bb.0:
+; X86-NEXT: pushl $512 # imm = 0x200
+; X86-NEXT: pushl $.L.str
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([513 x i8], [513 x i8]* @.str, i32 0, i32 0), i32 512) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+; This checks that we do not do stupid things with huge sizes.
+define i32 @huge_length(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: huge_length:
+; X86: # %bb.0:
+; X86-NEXT: pushl $-1
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 9223372036854775807) nounwind
+ ret i32 %m
+}
+
+define i1 @huge_length_eq(i8* %X, i8* %Y) nounwind {
+; X86-LABEL: huge_length_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl $-1
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 9223372036854775807) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
+
+; This checks non-constant sizes.
+define i32 @nonconst_length(i8* %X, i8* %Y, i32 %size) nounwind {
+; X86-LABEL: nonconst_length:
+; X86: # %bb.0:
+; X86-NEXT: jmp memcmp # TAILCALL
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 %size) nounwind
+ ret i32 %m
+}
+
+define i1 @nonconst_length_eq(i8* %X, i8* %Y, i32 %size) nounwind {
+; X86-LABEL: nonconst_length_eq:
+; X86: # %bb.0:
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NEXT: calll memcmp
+; X86-NEXT: addl $12, %esp
+; X86-NEXT: testl %eax, %eax
+; X86-NEXT: sete %al
+; X86-NEXT: retl
+ %m = tail call i32 @memcmp(i8* %X, i8* %Y, i32 %size) nounwind
+ %c = icmp eq i32 %m, 0
+ ret i1 %c
+}
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefixes=X86,X86-NOSSE
-; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse | FileCheck %s --check-prefixes=X86,X86-SSE1
-; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=X86,X86-SSE2
-; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefixes=X86,X86-SSE41
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=X64,X64-SSE,X64-SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=sse4.1 | FileCheck %s --check-prefixes=X64,X64-SSE,X64-SSE41
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s --check-prefixes=X64,X64-AVX,X64-AVX1
declare dso_local i32 @memcmp(i8*, i8*, i64)
define i32 @length0(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length0:
-; X86: # %bb.0:
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: length0:
; X64: # %bb.0:
; X64-NEXT: xorl %eax, %eax
}
define i1 @length0_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length0_eq:
-; X86: # %bb.0:
-; X86-NEXT: movb $1, %al
-; X86-NEXT: retl
-;
; X64-LABEL: length0_eq:
; X64: # %bb.0:
; X64-NEXT: movb $1, %al
}
define i1 @length0_lt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length0_lt:
-; X86: # %bb.0:
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: length0_lt:
; X64: # %bb.0:
; X64-NEXT: xorl %eax, %eax
}
define i32 @length2(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length2:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: movzwl (%eax), %edx
-; X86-NEXT: rolw $8, %cx
-; X86-NEXT: rolw $8, %dx
-; X86-NEXT: movzwl %cx, %eax
-; X86-NEXT: movzwl %dx, %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: length2:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i32 @length2_const(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length2_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movzwl (%eax), %eax
-; X86-NEXT: rolw $8, %ax
-; X86-NEXT: movzwl %ax, %eax
-; X86-NEXT: addl $-12594, %eax # imm = 0xCECE
-; X86-NEXT: retl
-;
; X64-LABEL: length2_const:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_gt_const(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length2_gt_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movzwl (%eax), %eax
-; X86-NEXT: rolw $8, %ax
-; X86-NEXT: movzwl %ax, %eax
-; X86-NEXT: addl $-12594, %eax # imm = 0xCECE
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_gt_const:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length2_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: cmpw (%eax), %cx
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_lt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length2_lt:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: movzwl (%eax), %edx
-; X86-NEXT: rolw $8, %cx
-; X86-NEXT: rolw $8, %dx
-; X86-NEXT: movzwl %cx, %eax
-; X86-NEXT: movzwl %dx, %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length2_lt:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_gt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length2_gt:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %ecx
-; X86-NEXT: movzwl (%eax), %eax
-; X86-NEXT: rolw $8, %cx
-; X86-NEXT: rolw $8, %ax
-; X86-NEXT: movzwl %cx, %ecx
-; X86-NEXT: movzwl %ax, %eax
-; X86-NEXT: subl %eax, %ecx
-; X86-NEXT: testl %ecx, %ecx
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_gt:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq_const(i8* %X) nounwind {
-; X86-LABEL: length2_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movzwl (%eax), %eax
-; X86-NEXT: cmpl $12849, %eax # imm = 0x3231
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq_const:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length2_eq_nobuiltin_attr:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $2
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length2_eq_nobuiltin_attr:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length3(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length3:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movzwl (%eax), %edx
-; X86-NEXT: movzwl (%ecx), %esi
-; X86-NEXT: rolw $8, %dx
-; X86-NEXT: rolw $8, %si
-; X86-NEXT: cmpw %si, %dx
-; X86-NEXT: jne .LBB11_3
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movzbl 2(%eax), %eax
-; X86-NEXT: movzbl 2(%ecx), %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-; X86-NEXT: .LBB11_3: # %res_block
-; X86-NEXT: setae %al
-; X86-NEXT: movzbl %al, %eax
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length3:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i1 @length3_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length3_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movzwl (%ecx), %edx
-; X86-NEXT: xorw (%eax), %dx
-; X86-NEXT: movb 2(%ecx), %cl
-; X86-NEXT: xorb 2(%eax), %cl
-; X86-NEXT: movzbl %cl, %eax
-; X86-NEXT: orw %dx, %ax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length3_eq:
; X64: # %bb.0:
; X64-NEXT: movzwl (%rdi), %eax
}
define i32 @length4(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length4:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: seta %al
-; X86-NEXT: sbbl $0, %eax
-; X86-NEXT: retl
-;
; X64-LABEL: length4:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %ecx
}
define i1 @length4_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length4_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: cmpl (%eax), %ecx
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length4_eq:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length4_lt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length4_lt:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: seta %al
-; X86-NEXT: sbbl $0, %eax
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length4_lt:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %ecx
}
define i1 @length4_gt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length4_gt:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %ecx
-; X86-NEXT: movl (%eax), %eax
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %eax
-; X86-NEXT: xorl %edx, %edx
-; X86-NEXT: cmpl %eax, %ecx
-; X86-NEXT: seta %dl
-; X86-NEXT: sbbl $0, %edx
-; X86-NEXT: testl %edx, %edx
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length4_gt:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length4_eq_const(i8* %X) nounwind {
-; X86-LABEL: length4_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: cmpl $875770417, (%eax) # imm = 0x34333231
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length4_eq_const:
; X64: # %bb.0:
; X64-NEXT: cmpl $875770417, (%rdi) # imm = 0x34333231
}
define i32 @length5(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length5:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: movl (%ecx), %esi
-; X86-NEXT: bswapl %edx
-; X86-NEXT: bswapl %esi
-; X86-NEXT: cmpl %esi, %edx
-; X86-NEXT: jne .LBB18_3
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movzbl 4(%eax), %eax
-; X86-NEXT: movzbl 4(%ecx), %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-; X86-NEXT: .LBB18_3: # %res_block
-; X86-NEXT: setae %al
-; X86-NEXT: movzbl %al, %eax
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length5:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length5_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length5_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: movb 4(%ecx), %cl
-; X86-NEXT: xorb 4(%eax), %cl
-; X86-NEXT: movzbl %cl, %eax
-; X86-NEXT: orl %edx, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length5_eq:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i1 @length5_lt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length5_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: movl (%ecx), %esi
-; X86-NEXT: bswapl %edx
-; X86-NEXT: bswapl %esi
-; X86-NEXT: cmpl %esi, %edx
-; X86-NEXT: jne .LBB20_3
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movzbl 4(%eax), %eax
-; X86-NEXT: movzbl 4(%ecx), %ecx
-; X86-NEXT: subl %ecx, %eax
-; X86-NEXT: jmp .LBB20_2
-; X86-NEXT: .LBB20_3: # %res_block
-; X86-NEXT: setae %al
-; X86-NEXT: movzbl %al, %eax
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB20_2: # %endblock
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length5_lt:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i32 @length7(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length7:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT: movl (%esi), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB21_2
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movl 3(%esi), %ecx
-; X86-NEXT: movl 3(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: je .LBB21_3
-; X86-NEXT: .LBB21_2: # %res_block
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: setae %al
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB21_3: # %endblock
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length7:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %ecx
}
define i1 @length7_lt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length7_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT: movl (%esi), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB22_2
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movl 3(%esi), %ecx
-; X86-NEXT: movl 3(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: je .LBB22_3
-; X86-NEXT: .LBB22_2: # %res_block
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: setae %al
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB22_3: # %endblock
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length7_lt:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %ecx
}
define i1 @length7_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length7_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 3(%ecx), %ecx
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 3(%eax), %ecx
-; X86-NEXT: orl %edx, %ecx
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length7_eq:
; X64: # %bb.0:
; X64-NEXT: movl (%rdi), %eax
}
define i32 @length8(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length8:
-; X86: # %bb.0:
-; X86-NEXT: pushl %esi
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT: movl (%esi), %ecx
-; X86-NEXT: movl (%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: jne .LBB24_2
-; X86-NEXT: # %bb.1: # %loadbb1
-; X86-NEXT: movl 4(%esi), %ecx
-; X86-NEXT: movl 4(%eax), %edx
-; X86-NEXT: bswapl %ecx
-; X86-NEXT: bswapl %edx
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: je .LBB24_3
-; X86-NEXT: .LBB24_2: # %res_block
-; X86-NEXT: xorl %eax, %eax
-; X86-NEXT: cmpl %edx, %ecx
-; X86-NEXT: setae %al
-; X86-NEXT: leal -1(%eax,%eax), %eax
-; X86-NEXT: .LBB24_3: # %endblock
-; X86-NEXT: popl %esi
-; X86-NEXT: retl
-;
; X64-LABEL: length8:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length8_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length8_eq:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-NEXT: movl (%ecx), %edx
-; X86-NEXT: movl 4(%ecx), %ecx
-; X86-NEXT: xorl (%eax), %edx
-; X86-NEXT: xorl 4(%eax), %ecx
-; X86-NEXT: orl %edx, %ecx
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length8_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length8_eq_const(i8* %X) nounwind {
-; X86-LABEL: length8_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-NEXT: movl $858927408, %ecx # imm = 0x33323130
-; X86-NEXT: xorl (%eax), %ecx
-; X86-NEXT: movl $926299444, %edx # imm = 0x37363534
-; X86-NEXT: xorl 4(%eax), %edx
-; X86-NEXT: orl %ecx, %edx
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length8_eq_const:
; X64: # %bb.0:
; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130
}
define i1 @length9_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length9_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $9
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length9_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length10_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length10_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $10
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length10_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length11_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length11_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $11
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length11_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length12_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length12_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $12
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length12_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i32 @length12(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length12:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $12
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length12:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length13_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length13_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $13
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length13_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length14_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length14_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $14
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length14_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i32 @length15(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length15:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $15
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length15:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length15_lt(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length15_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $15
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length15_lt:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i32 @length15_const(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length15_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $15
-; X86-NEXT: pushl $.L.str+1
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length15_const:
; X64: # %bb.0:
; X64-NEXT: movabsq $3544952156018063160, %rcx # imm = 0x3132333435363738
}
define i1 @length15_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length15_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $15
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length15_eq:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length15_gt_const(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length15_gt_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $15
-; X86-NEXT: pushl $.L.str+1
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length15_gt_const:
; X64: # %bb.0:
; X64-NEXT: movabsq $3544952156018063160, %rax # imm = 0x3132333435363738
; PR33329 - https://bugs.llvm.org/show_bug.cgi?id=33329
define i32 @length16(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length16:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $16
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length16:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length16_eq(i8* %x, i8* %y) nounwind {
-; X86-NOSSE-LABEL: length16_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $16
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length16_eq:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $16
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: setne %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length16_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu (%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm1
-; X86-SSE2-NEXT: pmovmskb %xmm1, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length16_eq:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu (%eax), %xmm1
-; X86-SSE41-NEXT: pxor %xmm0, %xmm1
-; X86-SSE41-NEXT: ptest %xmm1, %xmm1
-; X86-SSE41-NEXT: setne %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length16_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length16_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length16_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $16
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length16_lt:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rcx
}
define i1 @length16_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length16_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $16
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length16_gt:
; X64: # %bb.0:
; X64-NEXT: movq (%rdi), %rax
}
define i1 @length16_eq_const(i8* %X) nounwind {
-; X86-NOSSE-LABEL: length16_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $16
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length16_eq_const:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $16
-; X86-SSE1-NEXT: pushl $.L.str
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length16_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length16_eq_const:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movdqu (%eax), %xmm0
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length16_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
; PR33914 - https://bugs.llvm.org/show_bug.cgi?id=33914
define i32 @length24(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length24:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $24
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length24:
; X64: # %bb.0:
; X64-NEXT: movl $24, %edx
}
define i1 @length24_eq(i8* %x, i8* %y) nounwind {
-; X86-NOSSE-LABEL: length24_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $24
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length24_eq:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $24
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length24_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 8(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 8(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length24_eq:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 8(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 8(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: por %xmm2, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length24_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length24_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length24_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $24
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length24_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length24_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length24_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $24
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length24_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length24_eq_const(i8* %X) nounwind {
-; X86-NOSSE-LABEL: length24_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $24
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length24_eq_const:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $24
-; X86-SSE1-NEXT: pushl $.L.str
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: setne %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length24_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 8(%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pand %xmm1, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length24_eq_const:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movdqu (%eax), %xmm0
-; X86-SSE41-NEXT: movdqu 8(%eax), %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE41-NEXT: por %xmm1, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: setne %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length24_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length31(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length31:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $31
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length31:
; X64: # %bb.0:
; X64-NEXT: movl $31, %edx
}
define i1 @length31_eq(i8* %x, i8* %y) nounwind {
-; X86-NOSSE-LABEL: length31_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $31
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length31_eq:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $31
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length31_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 15(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 15(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length31_eq:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 15(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 15(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: por %xmm2, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length31_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length31_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length31_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $31
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length31_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length31_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length31_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $31
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length31_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length31_eq_prefer128(i8* %x, i8* %y) nounwind "prefer-vector-width"="128" {
-; X86-NOSSE-LABEL: length31_eq_prefer128:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $31
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length31_eq_prefer128:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $31
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length31_eq_prefer128:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 15(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 15(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length31_eq_prefer128:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 15(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 15(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: por %xmm2, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length31_eq_prefer128:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length31_eq_const(i8* %X) nounwind {
-; X86-NOSSE-LABEL: length31_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $31
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length31_eq_const:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $31
-; X86-SSE1-NEXT: pushl $.L.str
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: setne %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length31_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 15(%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pand %xmm1, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length31_eq_const:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movdqu (%eax), %xmm0
-; X86-SSE41-NEXT: movdqu 15(%eax), %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE41-NEXT: por %xmm1, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: setne %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length31_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length32(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length32:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $32
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length32:
; X64: # %bb.0:
; X64-NEXT: movl $32, %edx
; PR33325 - https://bugs.llvm.org/show_bug.cgi?id=33325
define i1 @length32_eq(i8* %x, i8* %y) nounwind {
-; X86-NOSSE-LABEL: length32_eq:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $32
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length32_eq:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $32
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length32_eq:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length32_eq:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: por %xmm2, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length32_eq:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length32_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length32_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $32
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length32_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length32_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length32_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $32
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length32_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length32_eq_prefer128(i8* %x, i8* %y) nounwind "prefer-vector-width"="128" {
-; X86-NOSSE-LABEL: length32_eq_prefer128:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $32
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: sete %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length32_eq_prefer128:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $32
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: sete %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length32_eq_prefer128:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE2-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE2-NEXT: movdqu (%eax), %xmm2
-; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm2
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE2-NEXT: pcmpeqb %xmm1, %xmm0
-; X86-SSE2-NEXT: pand %xmm2, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: sete %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length32_eq_prefer128:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %ecx
-; X86-SSE41-NEXT: movdqu (%ecx), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%ecx), %xmm1
-; X86-SSE41-NEXT: movdqu (%eax), %xmm2
-; X86-SSE41-NEXT: pxor %xmm0, %xmm2
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm0
-; X86-SSE41-NEXT: pxor %xmm1, %xmm0
-; X86-SSE41-NEXT: por %xmm2, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: sete %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length32_eq_prefer128:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i1 @length32_eq_const(i8* %X) nounwind {
-; X86-NOSSE-LABEL: length32_eq_const:
-; X86-NOSSE: # %bb.0:
-; X86-NOSSE-NEXT: pushl $0
-; X86-NOSSE-NEXT: pushl $32
-; X86-NOSSE-NEXT: pushl $.L.str
-; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT: calll memcmp
-; X86-NOSSE-NEXT: addl $16, %esp
-; X86-NOSSE-NEXT: testl %eax, %eax
-; X86-NOSSE-NEXT: setne %al
-; X86-NOSSE-NEXT: retl
-;
-; X86-SSE1-LABEL: length32_eq_const:
-; X86-SSE1: # %bb.0:
-; X86-SSE1-NEXT: pushl $0
-; X86-SSE1-NEXT: pushl $32
-; X86-SSE1-NEXT: pushl $.L.str
-; X86-SSE1-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-SSE1-NEXT: calll memcmp
-; X86-SSE1-NEXT: addl $16, %esp
-; X86-SSE1-NEXT: testl %eax, %eax
-; X86-SSE1-NEXT: setne %al
-; X86-SSE1-NEXT: retl
-;
-; X86-SSE2-LABEL: length32_eq_const:
-; X86-SSE2: # %bb.0:
-; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE2-NEXT: movdqu (%eax), %xmm0
-; X86-SSE2-NEXT: movdqu 16(%eax), %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE2-NEXT: pcmpeqb {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE2-NEXT: pand %xmm1, %xmm0
-; X86-SSE2-NEXT: pmovmskb %xmm0, %eax
-; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF
-; X86-SSE2-NEXT: setne %al
-; X86-SSE2-NEXT: retl
-;
-; X86-SSE41-LABEL: length32_eq_const:
-; X86-SSE41: # %bb.0:
-; X86-SSE41-NEXT: movl {{[0-9]+}}(%esp), %eax
-; X86-SSE41-NEXT: movdqu (%eax), %xmm0
-; X86-SSE41-NEXT: movdqu 16(%eax), %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm1
-; X86-SSE41-NEXT: pxor {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
-; X86-SSE41-NEXT: por %xmm1, %xmm0
-; X86-SSE41-NEXT: ptest %xmm0, %xmm0
-; X86-SSE41-NEXT: setne %al
-; X86-SSE41-NEXT: retl
-;
; X64-SSE2-LABEL: length32_eq_const:
; X64-SSE2: # %bb.0:
; X64-SSE2-NEXT: movdqu (%rdi), %xmm0
}
define i32 @length48(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length48:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $48
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length48:
; X64: # %bb.0:
; X64-NEXT: movl $48, %edx
}
define i1 @length48_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length48_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $48
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length48_eq:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i1 @length48_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length48_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $48
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length48_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length48_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length48_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $48
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length48_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length48_eq_prefer128(i8* %x, i8* %y) nounwind "prefer-vector-width"="128" {
-; X86-LABEL: length48_eq_prefer128:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $48
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length48_eq_prefer128:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length48_eq_const(i8* %X) nounwind {
-; X86-LABEL: length48_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $48
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length48_eq_const:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i32 @length63(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length63:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $63
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length63:
; X64: # %bb.0:
; X64-NEXT: movl $63, %edx
}
define i1 @length63_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length63_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $63
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length63_eq:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i1 @length63_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length63_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $63
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length63_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length63_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length63_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $63
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length63_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length63_eq_const(i8* %X) nounwind {
-; X86-LABEL: length63_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $63
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length63_eq_const:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i32 @length64(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length64:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length64:
; X64: # %bb.0:
; X64-NEXT: movl $64, %edx
}
define i1 @length64_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length64_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length64_eq:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i1 @length64_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length64_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length64_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length64_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length64_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length64_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length64_eq_const(i8* %X) nounwind {
-; X86-LABEL: length64_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $64
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length64_eq_const:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i32 @length96(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length96:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $96
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length96:
; X64: # %bb.0:
; X64-NEXT: movl $96, %edx
}
define i1 @length96_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length96_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $96
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length96_eq:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i1 @length96_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length96_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $96
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length96_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length96_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length96_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $96
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length96_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length96_eq_const(i8* %X) nounwind {
-; X86-LABEL: length96_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $96
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length96_eq_const:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i32 @length127(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length127:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $127
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length127:
; X64: # %bb.0:
; X64-NEXT: movl $127, %edx
}
define i1 @length127_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length127_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $127
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length127_eq:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i1 @length127_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length127_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $127
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length127_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length127_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length127_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $127
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length127_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length127_eq_const(i8* %X) nounwind {
-; X86-LABEL: length127_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $127
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length127_eq_const:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i32 @length128(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length128:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $128
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length128:
; X64: # %bb.0:
; X64-NEXT: movl $128, %edx
}
define i1 @length128_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length128_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $128
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length128_eq:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i1 @length128_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length128_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $128
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length128_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length128_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length128_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $128
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length128_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length128_eq_const(i8* %X) nounwind {
-; X86-LABEL: length128_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $128
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-SSE-LABEL: length128_eq_const:
; X64-SSE: # %bb.0:
; X64-SSE-NEXT: pushq %rax
}
define i32 @length192(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length192:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $192
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length192:
; X64: # %bb.0:
; X64-NEXT: movl $192, %edx
}
define i1 @length192_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length192_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $192
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length192_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length192_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length192_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $192
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length192_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length192_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length192_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $192
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length192_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length192_eq_const(i8* %X) nounwind {
-; X86-LABEL: length192_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $192
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length192_eq_const:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length255(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length255:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $255
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length255:
; X64: # %bb.0:
; X64-NEXT: movl $255, %edx
}
define i1 @length255_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length255_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $255
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length255_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length255_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length255_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $255
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length255_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length255_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length255_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $255
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length255_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length255_eq_const(i8* %X) nounwind {
-; X86-LABEL: length255_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $255
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length255_eq_const:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length256(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length256:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $256 # imm = 0x100
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length256:
; X64: # %bb.0:
; X64-NEXT: movl $256, %edx # imm = 0x100
}
define i1 @length256_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length256_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $256 # imm = 0x100
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length256_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length256_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length256_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $256 # imm = 0x100
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length256_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length256_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length256_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $256 # imm = 0x100
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length256_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length256_eq_const(i8* %X) nounwind {
-; X86-LABEL: length256_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $256 # imm = 0x100
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length256_eq_const:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length384(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length384:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $384 # imm = 0x180
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length384:
; X64: # %bb.0:
; X64-NEXT: movl $384, %edx # imm = 0x180
}
define i1 @length384_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length384_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $384 # imm = 0x180
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length384_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length384_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length384_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $384 # imm = 0x180
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length384_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length384_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length384_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $384 # imm = 0x180
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length384_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length384_eq_const(i8* %X) nounwind {
-; X86-LABEL: length384_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $384 # imm = 0x180
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length384_eq_const:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length511(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length511:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $511 # imm = 0x1FF
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length511:
; X64: # %bb.0:
; X64-NEXT: movl $511, %edx # imm = 0x1FF
}
define i1 @length511_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length511_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $511 # imm = 0x1FF
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length511_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length511_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length511_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $511 # imm = 0x1FF
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length511_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length511_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length511_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $511 # imm = 0x1FF
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length511_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length511_eq_const(i8* %X) nounwind {
-; X86-LABEL: length511_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $511 # imm = 0x1FF
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length511_eq_const:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i32 @length512(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: length512:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $512 # imm = 0x200
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: length512:
; X64: # %bb.0:
; X64-NEXT: movl $512, %edx # imm = 0x200
}
define i1 @length512_eq(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length512_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $512 # imm = 0x200
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setne %al
-; X86-NEXT: retl
-;
; X64-LABEL: length512_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length512_lt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length512_lt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $512 # imm = 0x200
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: shrl $31, %eax
-; X86-NEXT: # kill: def $al killed $al killed $eax
-; X86-NEXT: retl
-;
; X64-LABEL: length512_lt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length512_gt(i8* %x, i8* %y) nounwind {
-; X86-LABEL: length512_gt:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $512 # imm = 0x200
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: setg %al
-; X86-NEXT: retl
-;
; X64-LABEL: length512_gt:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
}
define i1 @length512_eq_const(i8* %X) nounwind {
-; X86-LABEL: length512_eq_const:
-; X86: # %bb.0:
-; X86-NEXT: pushl $0
-; X86-NEXT: pushl $512 # imm = 0x200
-; X86-NEXT: pushl $.L.str
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: length512_eq_const:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
; This checks that we do not do stupid things with huge sizes.
define i32 @huge_length(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: huge_length:
-; X86: # %bb.0:
-; X86-NEXT: pushl $2147483647 # imm = 0x7FFFFFFF
-; X86-NEXT: pushl $-1
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: retl
-;
; X64-LABEL: huge_length:
; X64: # %bb.0:
; X64-NEXT: movabsq $9223372036854775807, %rdx # imm = 0x7FFFFFFFFFFFFFFF
}
define i1 @huge_length_eq(i8* %X, i8* %Y) nounwind {
-; X86-LABEL: huge_length_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl $2147483647 # imm = 0x7FFFFFFF
-; X86-NEXT: pushl $-1
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: huge_length_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
; This checks non-constant sizes.
define i32 @nonconst_length(i8* %X, i8* %Y, i64 %size) nounwind {
-; X86-LABEL: nonconst_length:
-; X86: # %bb.0:
-; X86-NEXT: jmp memcmp # TAILCALL
-;
; X64-LABEL: nonconst_length:
; X64: # %bb.0:
; X64-NEXT: jmp memcmp # TAILCALL
}
define i1 @nonconst_length_eq(i8* %X, i8* %Y, i64 %size) nounwind {
-; X86-LABEL: nonconst_length_eq:
-; X86: # %bb.0:
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: pushl {{[0-9]+}}(%esp)
-; X86-NEXT: calll memcmp
-; X86-NEXT: addl $16, %esp
-; X86-NEXT: testl %eax, %eax
-; X86-NEXT: sete %al
-; X86-NEXT: retl
-;
; X64-LABEL: nonconst_length_eq:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S -expandmemcmp -mtriple=i686-unknown-unknown -data-layout=e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128 < %s | FileCheck %s --check-prefix=X32
+
+declare i32 @memcmp(i8* nocapture, i8* nocapture, i32)
+
+define i32 @cmp2(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp2(
+; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; X32-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]], align 1
+; X32-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]], align 1
+; X32-NEXT: [[TMP5:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP3]])
+; X32-NEXT: [[TMP6:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP4]])
+; X32-NEXT: [[TMP7:%.*]] = zext i16 [[TMP5]] to i32
+; X32-NEXT: [[TMP8:%.*]] = zext i16 [[TMP6]] to i32
+; X32-NEXT: [[TMP9:%.*]] = sub i32 [[TMP7]], [[TMP8]]
+; X32-NEXT: ret i32 [[TMP9]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 2)
+ ret i32 %call
+}
+
+define i32 @cmp2_align2(i8* nocapture readonly align 2 %x, i8* nocapture readonly align 2 %y) {
+; X32-LABEL: @cmp2_align2(
+; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; X32-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]], align 2
+; X32-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]], align 2
+; X32-NEXT: [[TMP5:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP3]])
+; X32-NEXT: [[TMP6:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP4]])
+; X32-NEXT: [[TMP7:%.*]] = zext i16 [[TMP5]] to i32
+; X32-NEXT: [[TMP8:%.*]] = zext i16 [[TMP6]] to i32
+; X32-NEXT: [[TMP9:%.*]] = sub i32 [[TMP7]], [[TMP8]]
+; X32-NEXT: ret i32 [[TMP9]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 2)
+ ret i32 %call
+}
+
+define i32 @cmp3(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp3(
+; X32-NEXT: br label [[LOADBB:%.*]]
+; X32: res_block:
+; X32-NEXT: [[TMP1:%.*]] = icmp ult i16 [[TMP7:%.*]], [[TMP8:%.*]]
+; X32-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X32-NEXT: br label [[ENDBLOCK:%.*]]
+; X32: loadbb:
+; X32-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; X32-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; X32-NEXT: [[TMP5:%.*]] = load i16, i16* [[TMP3]], align 1
+; X32-NEXT: [[TMP6:%.*]] = load i16, i16* [[TMP4]], align 1
+; X32-NEXT: [[TMP7]] = call i16 @llvm.bswap.i16(i16 [[TMP5]])
+; X32-NEXT: [[TMP8]] = call i16 @llvm.bswap.i16(i16 [[TMP6]])
+; X32-NEXT: [[TMP9:%.*]] = icmp eq i16 [[TMP7]], [[TMP8]]
+; X32-NEXT: br i1 [[TMP9]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
+; X32: loadbb1:
+; X32-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 2
+; X32-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 2
+; X32-NEXT: [[TMP12:%.*]] = load i8, i8* [[TMP10]], align 1
+; X32-NEXT: [[TMP13:%.*]] = load i8, i8* [[TMP11]], align 1
+; X32-NEXT: [[TMP14:%.*]] = zext i8 [[TMP12]] to i32
+; X32-NEXT: [[TMP15:%.*]] = zext i8 [[TMP13]] to i32
+; X32-NEXT: [[TMP16:%.*]] = sub i32 [[TMP14]], [[TMP15]]
+; X32-NEXT: br label [[ENDBLOCK]]
+; X32: endblock:
+; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP16]], [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X32-NEXT: ret i32 [[PHI_RES]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 3)
+ ret i32 %call
+}
+
+define i32 @cmp4(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp4(
+; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
+; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
+; X32-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]])
+; X32-NEXT: [[TMP6:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP4]])
+; X32-NEXT: [[TMP7:%.*]] = icmp ugt i32 [[TMP5]], [[TMP6]]
+; X32-NEXT: [[TMP8:%.*]] = icmp ult i32 [[TMP5]], [[TMP6]]
+; X32-NEXT: [[TMP9:%.*]] = zext i1 [[TMP7]] to i32
+; X32-NEXT: [[TMP10:%.*]] = zext i1 [[TMP8]] to i32
+; X32-NEXT: [[TMP11:%.*]] = sub i32 [[TMP9]], [[TMP10]]
+; X32-NEXT: ret i32 [[TMP11]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 4)
+ ret i32 %call
+}
+
+define i32 @cmp5(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp5(
+; X32-NEXT: br label [[LOADBB:%.*]]
+; X32: res_block:
+; X32-NEXT: [[TMP1:%.*]] = icmp ult i32 [[TMP7:%.*]], [[TMP8:%.*]]
+; X32-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X32-NEXT: br label [[ENDBLOCK:%.*]]
+; X32: loadbb:
+; X32-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]], align 1
+; X32-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]], align 1
+; X32-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
+; X32-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
+; X32-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
+; X32-NEXT: br i1 [[TMP9]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
+; X32: loadbb1:
+; X32-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 4
+; X32-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 4
+; X32-NEXT: [[TMP12:%.*]] = load i8, i8* [[TMP10]], align 1
+; X32-NEXT: [[TMP13:%.*]] = load i8, i8* [[TMP11]], align 1
+; X32-NEXT: [[TMP14:%.*]] = zext i8 [[TMP12]] to i32
+; X32-NEXT: [[TMP15:%.*]] = zext i8 [[TMP13]] to i32
+; X32-NEXT: [[TMP16:%.*]] = sub i32 [[TMP14]], [[TMP15]]
+; X32-NEXT: br label [[ENDBLOCK]]
+; X32: endblock:
+; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP16]], [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X32-NEXT: ret i32 [[PHI_RES]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 5)
+ ret i32 %call
+}
+
+define i32 @cmp6(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp6(
+; X32-NEXT: br label [[LOADBB:%.*]]
+; X32: res_block:
+; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1:%.*]] ]
+; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP19:%.*]], [[LOADBB1]] ]
+; X32-NEXT: [[TMP1:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
+; X32-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X32-NEXT: br label [[ENDBLOCK:%.*]]
+; X32: loadbb:
+; X32-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]], align 1
+; X32-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]], align 1
+; X32-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
+; X32-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
+; X32-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
+; X32-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
+; X32: loadbb1:
+; X32-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 4
+; X32-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 4
+; X32-NEXT: [[TMP12:%.*]] = bitcast i8* [[TMP10]] to i16*
+; X32-NEXT: [[TMP13:%.*]] = bitcast i8* [[TMP11]] to i16*
+; X32-NEXT: [[TMP14:%.*]] = load i16, i16* [[TMP12]], align 1
+; X32-NEXT: [[TMP15:%.*]] = load i16, i16* [[TMP13]], align 1
+; X32-NEXT: [[TMP16:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP14]])
+; X32-NEXT: [[TMP17:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP15]])
+; X32-NEXT: [[TMP18]] = zext i16 [[TMP16]] to i32
+; X32-NEXT: [[TMP19]] = zext i16 [[TMP17]] to i32
+; X32-NEXT: [[TMP20:%.*]] = icmp eq i32 [[TMP18]], [[TMP19]]
+; X32-NEXT: br i1 [[TMP20]], label [[ENDBLOCK]], label [[RES_BLOCK]]
+; X32: endblock:
+; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X32-NEXT: ret i32 [[PHI_RES]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 6)
+ ret i32 %call
+}
+
+define i32 @cmp7(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp7(
+; X32-NEXT: br label [[LOADBB:%.*]]
+; X32: res_block:
+; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1:%.*]] ]
+; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP17:%.*]], [[LOADBB1]] ]
+; X32-NEXT: [[TMP1:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
+; X32-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X32-NEXT: br label [[ENDBLOCK:%.*]]
+; X32: loadbb:
+; X32-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]], align 1
+; X32-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]], align 1
+; X32-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
+; X32-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
+; X32-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
+; X32-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
+; X32: loadbb1:
+; X32-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 3
+; X32-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 3
+; X32-NEXT: [[TMP12:%.*]] = bitcast i8* [[TMP10]] to i32*
+; X32-NEXT: [[TMP13:%.*]] = bitcast i8* [[TMP11]] to i32*
+; X32-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]], align 1
+; X32-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP13]], align 1
+; X32-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]])
+; X32-NEXT: [[TMP17]] = call i32 @llvm.bswap.i32(i32 [[TMP15]])
+; X32-NEXT: [[TMP18:%.*]] = icmp eq i32 [[TMP16]], [[TMP17]]
+; X32-NEXT: br i1 [[TMP18]], label [[ENDBLOCK]], label [[RES_BLOCK]]
+; X32: endblock:
+; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X32-NEXT: ret i32 [[PHI_RES]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 7)
+ ret i32 %call
+}
+
+define i32 @cmp8(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp8(
+; X32-NEXT: br label [[LOADBB:%.*]]
+; X32: res_block:
+; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1:%.*]] ]
+; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP17:%.*]], [[LOADBB1]] ]
+; X32-NEXT: [[TMP1:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
+; X32-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X32-NEXT: br label [[ENDBLOCK:%.*]]
+; X32: loadbb:
+; X32-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]], align 1
+; X32-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]], align 1
+; X32-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
+; X32-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
+; X32-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
+; X32-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
+; X32: loadbb1:
+; X32-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 4
+; X32-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 4
+; X32-NEXT: [[TMP12:%.*]] = bitcast i8* [[TMP10]] to i32*
+; X32-NEXT: [[TMP13:%.*]] = bitcast i8* [[TMP11]] to i32*
+; X32-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]], align 1
+; X32-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP13]], align 1
+; X32-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]])
+; X32-NEXT: [[TMP17]] = call i32 @llvm.bswap.i32(i32 [[TMP15]])
+; X32-NEXT: [[TMP18:%.*]] = icmp eq i32 [[TMP16]], [[TMP17]]
+; X32-NEXT: br i1 [[TMP18]], label [[ENDBLOCK]], label [[RES_BLOCK]]
+; X32: endblock:
+; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X32-NEXT: ret i32 [[PHI_RES]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 8)
+ ret i32 %call
+}
+
+define i32 @cmp9(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp9(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 9)
+; X32-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 9)
+ ret i32 %call
+}
+
+define i32 @cmp10(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp10(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 10)
+; X32-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 10)
+ ret i32 %call
+}
+
+define i32 @cmp11(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp11(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 11)
+; X32-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 11)
+ ret i32 %call
+}
+
+define i32 @cmp12(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp12(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 12)
+; X32-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 12)
+ ret i32 %call
+}
+
+define i32 @cmp13(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp13(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 13)
+; X32-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 13)
+ ret i32 %call
+}
+
+define i32 @cmp14(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp14(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 14)
+; X32-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 14)
+ ret i32 %call
+}
+
+define i32 @cmp15(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp15(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 15)
+; X32-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 15)
+ ret i32 %call
+}
+
+define i32 @cmp16(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp16(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 16)
+; X32-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 16)
+ ret i32 %call
+}
+
+define i32 @cmp_eq2(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq2(
+; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; X32-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]], align 1
+; X32-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]], align 1
+; X32-NEXT: [[TMP5:%.*]] = icmp ne i16 [[TMP3]], [[TMP4]]
+; X32-NEXT: [[TMP6:%.*]] = zext i1 [[TMP5]] to i32
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP6]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 2)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq3(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq3(
+; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; X32-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]], align 1
+; X32-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]], align 1
+; X32-NEXT: [[TMP5:%.*]] = xor i16 [[TMP3]], [[TMP4]]
+; X32-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i64 2
+; X32-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i64 2
+; X32-NEXT: [[TMP8:%.*]] = load i8, i8* [[TMP6]], align 1
+; X32-NEXT: [[TMP9:%.*]] = load i8, i8* [[TMP7]], align 1
+; X32-NEXT: [[TMP10:%.*]] = zext i8 [[TMP8]] to i16
+; X32-NEXT: [[TMP11:%.*]] = zext i8 [[TMP9]] to i16
+; X32-NEXT: [[TMP12:%.*]] = xor i16 [[TMP10]], [[TMP11]]
+; X32-NEXT: [[TMP13:%.*]] = or i16 [[TMP5]], [[TMP12]]
+; X32-NEXT: [[TMP14:%.*]] = icmp ne i16 [[TMP13]], 0
+; X32-NEXT: [[TMP15:%.*]] = zext i1 [[TMP14]] to i32
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP15]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 3)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq4(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq4(
+; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
+; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
+; X32-NEXT: [[TMP5:%.*]] = icmp ne i32 [[TMP3]], [[TMP4]]
+; X32-NEXT: [[TMP6:%.*]] = zext i1 [[TMP5]] to i32
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP6]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 4)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq5(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq5(
+; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
+; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
+; X32-NEXT: [[TMP5:%.*]] = xor i32 [[TMP3]], [[TMP4]]
+; X32-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i64 4
+; X32-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i64 4
+; X32-NEXT: [[TMP8:%.*]] = load i8, i8* [[TMP6]], align 1
+; X32-NEXT: [[TMP9:%.*]] = load i8, i8* [[TMP7]], align 1
+; X32-NEXT: [[TMP10:%.*]] = zext i8 [[TMP8]] to i32
+; X32-NEXT: [[TMP11:%.*]] = zext i8 [[TMP9]] to i32
+; X32-NEXT: [[TMP12:%.*]] = xor i32 [[TMP10]], [[TMP11]]
+; X32-NEXT: [[TMP13:%.*]] = or i32 [[TMP5]], [[TMP12]]
+; X32-NEXT: [[TMP14:%.*]] = icmp ne i32 [[TMP13]], 0
+; X32-NEXT: [[TMP15:%.*]] = zext i1 [[TMP14]] to i32
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP15]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 5)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq6(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq6(
+; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
+; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
+; X32-NEXT: [[TMP5:%.*]] = xor i32 [[TMP3]], [[TMP4]]
+; X32-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i64 4
+; X32-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i64 4
+; X32-NEXT: [[TMP8:%.*]] = bitcast i8* [[TMP6]] to i16*
+; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[TMP7]] to i16*
+; X32-NEXT: [[TMP10:%.*]] = load i16, i16* [[TMP8]], align 1
+; X32-NEXT: [[TMP11:%.*]] = load i16, i16* [[TMP9]], align 1
+; X32-NEXT: [[TMP12:%.*]] = zext i16 [[TMP10]] to i32
+; X32-NEXT: [[TMP13:%.*]] = zext i16 [[TMP11]] to i32
+; X32-NEXT: [[TMP14:%.*]] = xor i32 [[TMP12]], [[TMP13]]
+; X32-NEXT: [[TMP15:%.*]] = or i32 [[TMP5]], [[TMP14]]
+; X32-NEXT: [[TMP16:%.*]] = icmp ne i32 [[TMP15]], 0
+; X32-NEXT: [[TMP17:%.*]] = zext i1 [[TMP16]] to i32
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP17]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 6)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq6_align4(i8* nocapture readonly align 4 %x, i8* nocapture readonly align 4 %y) {
+; X32-LABEL: @cmp_eq6_align4(
+; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 4
+; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 4
+; X32-NEXT: [[TMP5:%.*]] = xor i32 [[TMP3]], [[TMP4]]
+; X32-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i64 4
+; X32-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i64 4
+; X32-NEXT: [[TMP8:%.*]] = bitcast i8* [[TMP6]] to i16*
+; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[TMP7]] to i16*
+; X32-NEXT: [[TMP10:%.*]] = load i16, i16* [[TMP8]], align 4
+; X32-NEXT: [[TMP11:%.*]] = load i16, i16* [[TMP9]], align 4
+; X32-NEXT: [[TMP12:%.*]] = zext i16 [[TMP10]] to i32
+; X32-NEXT: [[TMP13:%.*]] = zext i16 [[TMP11]] to i32
+; X32-NEXT: [[TMP14:%.*]] = xor i32 [[TMP12]], [[TMP13]]
+; X32-NEXT: [[TMP15:%.*]] = or i32 [[TMP5]], [[TMP14]]
+; X32-NEXT: [[TMP16:%.*]] = icmp ne i32 [[TMP15]], 0
+; X32-NEXT: [[TMP17:%.*]] = zext i1 [[TMP16]] to i32
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP17]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 6)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq7(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq7(
+; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
+; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
+; X32-NEXT: [[TMP5:%.*]] = xor i32 [[TMP3]], [[TMP4]]
+; X32-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i64 3
+; X32-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i64 3
+; X32-NEXT: [[TMP8:%.*]] = bitcast i8* [[TMP6]] to i32*
+; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[TMP7]] to i32*
+; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]], align 1
+; X32-NEXT: [[TMP11:%.*]] = load i32, i32* [[TMP9]], align 1
+; X32-NEXT: [[TMP12:%.*]] = xor i32 [[TMP10]], [[TMP11]]
+; X32-NEXT: [[TMP13:%.*]] = or i32 [[TMP5]], [[TMP12]]
+; X32-NEXT: [[TMP14:%.*]] = icmp ne i32 [[TMP13]], 0
+; X32-NEXT: [[TMP15:%.*]] = zext i1 [[TMP14]] to i32
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP15]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 7)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq8(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq8(
+; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
+; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
+; X32-NEXT: [[TMP5:%.*]] = xor i32 [[TMP3]], [[TMP4]]
+; X32-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i64 4
+; X32-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i64 4
+; X32-NEXT: [[TMP8:%.*]] = bitcast i8* [[TMP6]] to i32*
+; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[TMP7]] to i32*
+; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]], align 1
+; X32-NEXT: [[TMP11:%.*]] = load i32, i32* [[TMP9]], align 1
+; X32-NEXT: [[TMP12:%.*]] = xor i32 [[TMP10]], [[TMP11]]
+; X32-NEXT: [[TMP13:%.*]] = or i32 [[TMP5]], [[TMP12]]
+; X32-NEXT: [[TMP14:%.*]] = icmp ne i32 [[TMP13]], 0
+; X32-NEXT: [[TMP15:%.*]] = zext i1 [[TMP14]] to i32
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP15]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 8)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq9(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq9(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 9)
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 9)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq10(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq10(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 10)
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 10)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq11(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq11(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 11)
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 11)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq12(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq12(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 12)
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 12)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq13(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq13(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 13)
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 13)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq14(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq14(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 14)
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 14)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq15(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq15(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 15)
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 15)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq16(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq16(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i32 16)
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i32 16)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -expandmemcmp -mtriple=i686-unknown-unknown -data-layout=e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128 < %s | FileCheck %s --check-prefix=ALL --check-prefix=X32
-; RUN: opt -S -expandmemcmp -memcmp-num-loads-per-block=1 -mtriple=x86_64-unknown-unknown -data-layout=e-m:o-i64:64-f80:128-n8:16:32:64-S128 < %s | FileCheck %s --check-prefix=ALL --check-prefix=X64 --check-prefix=X64_1LD
-; RUN: opt -S -expandmemcmp -memcmp-num-loads-per-block=2 -mtriple=x86_64-unknown-unknown -data-layout=e-m:o-i64:64-f80:128-n8:16:32:64-S128 < %s | FileCheck %s --check-prefix=ALL --check-prefix=X64 --check-prefix=X64_2LD
+; RUN: opt -S -expandmemcmp -memcmp-num-loads-per-block=1 -mtriple=x86_64-unknown-unknown -data-layout=e-m:o-i64:64-f80:128-n8:16:32:64-S128 < %s | FileCheck %s --check-prefix=X64 --check-prefix=X64_1LD
+; RUN: opt -S -expandmemcmp -memcmp-num-loads-per-block=2 -mtriple=x86_64-unknown-unknown -data-layout=e-m:o-i64:64-f80:128-n8:16:32:64-S128 < %s | FileCheck %s --check-prefix=X64 --check-prefix=X64_2LD
declare i32 @memcmp(i8* nocapture, i8* nocapture, i64)
define i32 @cmp2(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; ALL-LABEL: @cmp2(
-; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
-; ALL-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
-; ALL-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]], align 1
-; ALL-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]], align 1
-; ALL-NEXT: [[TMP5:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP3]])
-; ALL-NEXT: [[TMP6:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP4]])
-; ALL-NEXT: [[TMP7:%.*]] = zext i16 [[TMP5]] to i32
-; ALL-NEXT: [[TMP8:%.*]] = zext i16 [[TMP6]] to i32
-; ALL-NEXT: [[TMP9:%.*]] = sub i32 [[TMP7]], [[TMP8]]
-; ALL-NEXT: ret i32 [[TMP9]]
+; X64-LABEL: @cmp2(
+; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; X64-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]], align 1
+; X64-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]], align 1
+; X64-NEXT: [[TMP5:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP3]])
+; X64-NEXT: [[TMP6:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP4]])
+; X64-NEXT: [[TMP7:%.*]] = zext i16 [[TMP5]] to i32
+; X64-NEXT: [[TMP8:%.*]] = zext i16 [[TMP6]] to i32
+; X64-NEXT: [[TMP9:%.*]] = sub i32 [[TMP7]], [[TMP8]]
+; X64-NEXT: ret i32 [[TMP9]]
;
%call = tail call i32 @memcmp(i8* %x, i8* %y, i64 2)
ret i32 %call
}
define i32 @cmp2_align2(i8* nocapture readonly align 2 %x, i8* nocapture readonly align 2 %y) {
-; ALL-LABEL: @cmp2_align2(
-; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
-; ALL-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
-; ALL-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]], align 2
-; ALL-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]], align 2
-; ALL-NEXT: [[TMP5:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP3]])
-; ALL-NEXT: [[TMP6:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP4]])
-; ALL-NEXT: [[TMP7:%.*]] = zext i16 [[TMP5]] to i32
-; ALL-NEXT: [[TMP8:%.*]] = zext i16 [[TMP6]] to i32
-; ALL-NEXT: [[TMP9:%.*]] = sub i32 [[TMP7]], [[TMP8]]
-; ALL-NEXT: ret i32 [[TMP9]]
+; X64-LABEL: @cmp2_align2(
+; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; X64-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]], align 2
+; X64-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]], align 2
+; X64-NEXT: [[TMP5:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP3]])
+; X64-NEXT: [[TMP6:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP4]])
+; X64-NEXT: [[TMP7:%.*]] = zext i16 [[TMP5]] to i32
+; X64-NEXT: [[TMP8:%.*]] = zext i16 [[TMP6]] to i32
+; X64-NEXT: [[TMP9:%.*]] = sub i32 [[TMP7]], [[TMP8]]
+; X64-NEXT: ret i32 [[TMP9]]
;
%call = tail call i32 @memcmp(i8* %x, i8* %y, i64 2)
ret i32 %call
}
define i32 @cmp3(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; ALL-LABEL: @cmp3(
-; ALL-NEXT: br label [[LOADBB:%.*]]
-; ALL: res_block:
-; ALL-NEXT: [[TMP1:%.*]] = icmp ult i16 [[TMP7:%.*]], [[TMP8:%.*]]
-; ALL-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
-; ALL-NEXT: br label [[ENDBLOCK:%.*]]
-; ALL: loadbb:
-; ALL-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i16*
-; ALL-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i16*
-; ALL-NEXT: [[TMP5:%.*]] = load i16, i16* [[TMP3]], align 1
-; ALL-NEXT: [[TMP6:%.*]] = load i16, i16* [[TMP4]], align 1
-; ALL-NEXT: [[TMP7]] = call i16 @llvm.bswap.i16(i16 [[TMP5]])
-; ALL-NEXT: [[TMP8]] = call i16 @llvm.bswap.i16(i16 [[TMP6]])
-; ALL-NEXT: [[TMP9:%.*]] = icmp eq i16 [[TMP7]], [[TMP8]]
-; ALL-NEXT: br i1 [[TMP9]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
-; ALL: loadbb1:
-; ALL-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 2
-; ALL-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 2
-; ALL-NEXT: [[TMP12:%.*]] = load i8, i8* [[TMP10]], align 1
-; ALL-NEXT: [[TMP13:%.*]] = load i8, i8* [[TMP11]], align 1
-; ALL-NEXT: [[TMP14:%.*]] = zext i8 [[TMP12]] to i32
-; ALL-NEXT: [[TMP15:%.*]] = zext i8 [[TMP13]] to i32
-; ALL-NEXT: [[TMP16:%.*]] = sub i32 [[TMP14]], [[TMP15]]
-; ALL-NEXT: br label [[ENDBLOCK]]
-; ALL: endblock:
-; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP16]], [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
-; ALL-NEXT: ret i32 [[PHI_RES]]
+; X64-LABEL: @cmp3(
+; X64-NEXT: br label [[LOADBB:%.*]]
+; X64: res_block:
+; X64-NEXT: [[TMP1:%.*]] = icmp ult i16 [[TMP7:%.*]], [[TMP8:%.*]]
+; X64-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X64-NEXT: br label [[ENDBLOCK:%.*]]
+; X64: loadbb:
+; X64-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; X64-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; X64-NEXT: [[TMP5:%.*]] = load i16, i16* [[TMP3]], align 1
+; X64-NEXT: [[TMP6:%.*]] = load i16, i16* [[TMP4]], align 1
+; X64-NEXT: [[TMP7]] = call i16 @llvm.bswap.i16(i16 [[TMP5]])
+; X64-NEXT: [[TMP8]] = call i16 @llvm.bswap.i16(i16 [[TMP6]])
+; X64-NEXT: [[TMP9:%.*]] = icmp eq i16 [[TMP7]], [[TMP8]]
+; X64-NEXT: br i1 [[TMP9]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
+; X64: loadbb1:
+; X64-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 2
+; X64-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 2
+; X64-NEXT: [[TMP12:%.*]] = load i8, i8* [[TMP10]], align 1
+; X64-NEXT: [[TMP13:%.*]] = load i8, i8* [[TMP11]], align 1
+; X64-NEXT: [[TMP14:%.*]] = zext i8 [[TMP12]] to i32
+; X64-NEXT: [[TMP15:%.*]] = zext i8 [[TMP13]] to i32
+; X64-NEXT: [[TMP16:%.*]] = sub i32 [[TMP14]], [[TMP15]]
+; X64-NEXT: br label [[ENDBLOCK]]
+; X64: endblock:
+; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP16]], [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X64-NEXT: ret i32 [[PHI_RES]]
;
%call = tail call i32 @memcmp(i8* %x, i8* %y, i64 3)
ret i32 %call
}
define i32 @cmp4(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; ALL-LABEL: @cmp4(
-; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; ALL-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; ALL-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
-; ALL-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
-; ALL-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]])
-; ALL-NEXT: [[TMP6:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP4]])
-; ALL-NEXT: [[TMP7:%.*]] = icmp ugt i32 [[TMP5]], [[TMP6]]
-; ALL-NEXT: [[TMP8:%.*]] = icmp ult i32 [[TMP5]], [[TMP6]]
-; ALL-NEXT: [[TMP9:%.*]] = zext i1 [[TMP7]] to i32
-; ALL-NEXT: [[TMP10:%.*]] = zext i1 [[TMP8]] to i32
-; ALL-NEXT: [[TMP11:%.*]] = sub i32 [[TMP9]], [[TMP10]]
-; ALL-NEXT: ret i32 [[TMP11]]
+; X64-LABEL: @cmp4(
+; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X64-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
+; X64-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
+; X64-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]])
+; X64-NEXT: [[TMP6:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP4]])
+; X64-NEXT: [[TMP7:%.*]] = icmp ugt i32 [[TMP5]], [[TMP6]]
+; X64-NEXT: [[TMP8:%.*]] = icmp ult i32 [[TMP5]], [[TMP6]]
+; X64-NEXT: [[TMP9:%.*]] = zext i1 [[TMP7]] to i32
+; X64-NEXT: [[TMP10:%.*]] = zext i1 [[TMP8]] to i32
+; X64-NEXT: [[TMP11:%.*]] = sub i32 [[TMP9]], [[TMP10]]
+; X64-NEXT: ret i32 [[TMP11]]
;
%call = tail call i32 @memcmp(i8* %x, i8* %y, i64 4)
ret i32 %call
}
define i32 @cmp5(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; ALL-LABEL: @cmp5(
-; ALL-NEXT: br label [[LOADBB:%.*]]
-; ALL: res_block:
-; ALL-NEXT: [[TMP1:%.*]] = icmp ult i32 [[TMP7:%.*]], [[TMP8:%.*]]
-; ALL-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
-; ALL-NEXT: br label [[ENDBLOCK:%.*]]
-; ALL: loadbb:
-; ALL-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; ALL-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; ALL-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]], align 1
-; ALL-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]], align 1
-; ALL-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
-; ALL-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
-; ALL-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
-; ALL-NEXT: br i1 [[TMP9]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
-; ALL: loadbb1:
-; ALL-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 4
-; ALL-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 4
-; ALL-NEXT: [[TMP12:%.*]] = load i8, i8* [[TMP10]], align 1
-; ALL-NEXT: [[TMP13:%.*]] = load i8, i8* [[TMP11]], align 1
-; ALL-NEXT: [[TMP14:%.*]] = zext i8 [[TMP12]] to i32
-; ALL-NEXT: [[TMP15:%.*]] = zext i8 [[TMP13]] to i32
-; ALL-NEXT: [[TMP16:%.*]] = sub i32 [[TMP14]], [[TMP15]]
-; ALL-NEXT: br label [[ENDBLOCK]]
-; ALL: endblock:
-; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP16]], [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
-; ALL-NEXT: ret i32 [[PHI_RES]]
+; X64-LABEL: @cmp5(
+; X64-NEXT: br label [[LOADBB:%.*]]
+; X64: res_block:
+; X64-NEXT: [[TMP1:%.*]] = icmp ult i32 [[TMP7:%.*]], [[TMP8:%.*]]
+; X64-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X64-NEXT: br label [[ENDBLOCK:%.*]]
+; X64: loadbb:
+; X64-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X64-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X64-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]], align 1
+; X64-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]], align 1
+; X64-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
+; X64-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
+; X64-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
+; X64-NEXT: br i1 [[TMP9]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
+; X64: loadbb1:
+; X64-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 4
+; X64-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 4
+; X64-NEXT: [[TMP12:%.*]] = load i8, i8* [[TMP10]], align 1
+; X64-NEXT: [[TMP13:%.*]] = load i8, i8* [[TMP11]], align 1
+; X64-NEXT: [[TMP14:%.*]] = zext i8 [[TMP12]] to i32
+; X64-NEXT: [[TMP15:%.*]] = zext i8 [[TMP13]] to i32
+; X64-NEXT: [[TMP16:%.*]] = sub i32 [[TMP14]], [[TMP15]]
+; X64-NEXT: br label [[ENDBLOCK]]
+; X64: endblock:
+; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP16]], [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X64-NEXT: ret i32 [[PHI_RES]]
;
%call = tail call i32 @memcmp(i8* %x, i8* %y, i64 5)
ret i32 %call
}
define i32 @cmp6(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; ALL-LABEL: @cmp6(
-; ALL-NEXT: br label [[LOADBB:%.*]]
-; ALL: res_block:
-; ALL-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1:%.*]] ]
-; ALL-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP19:%.*]], [[LOADBB1]] ]
-; ALL-NEXT: [[TMP1:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
-; ALL-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
-; ALL-NEXT: br label [[ENDBLOCK:%.*]]
-; ALL: loadbb:
-; ALL-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; ALL-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; ALL-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]], align 1
-; ALL-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]], align 1
-; ALL-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
-; ALL-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
-; ALL-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
-; ALL-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
-; ALL: loadbb1:
-; ALL-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 4
-; ALL-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 4
-; ALL-NEXT: [[TMP12:%.*]] = bitcast i8* [[TMP10]] to i16*
-; ALL-NEXT: [[TMP13:%.*]] = bitcast i8* [[TMP11]] to i16*
-; ALL-NEXT: [[TMP14:%.*]] = load i16, i16* [[TMP12]], align 1
-; ALL-NEXT: [[TMP15:%.*]] = load i16, i16* [[TMP13]], align 1
-; ALL-NEXT: [[TMP16:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP14]])
-; ALL-NEXT: [[TMP17:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP15]])
-; ALL-NEXT: [[TMP18]] = zext i16 [[TMP16]] to i32
-; ALL-NEXT: [[TMP19]] = zext i16 [[TMP17]] to i32
-; ALL-NEXT: [[TMP20:%.*]] = icmp eq i32 [[TMP18]], [[TMP19]]
-; ALL-NEXT: br i1 [[TMP20]], label [[ENDBLOCK]], label [[RES_BLOCK]]
-; ALL: endblock:
-; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
-; ALL-NEXT: ret i32 [[PHI_RES]]
+; X64-LABEL: @cmp6(
+; X64-NEXT: br label [[LOADBB:%.*]]
+; X64: res_block:
+; X64-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1:%.*]] ]
+; X64-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP19:%.*]], [[LOADBB1]] ]
+; X64-NEXT: [[TMP1:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
+; X64-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X64-NEXT: br label [[ENDBLOCK:%.*]]
+; X64: loadbb:
+; X64-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X64-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X64-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]], align 1
+; X64-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]], align 1
+; X64-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
+; X64-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
+; X64-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
+; X64-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
+; X64: loadbb1:
+; X64-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 4
+; X64-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 4
+; X64-NEXT: [[TMP12:%.*]] = bitcast i8* [[TMP10]] to i16*
+; X64-NEXT: [[TMP13:%.*]] = bitcast i8* [[TMP11]] to i16*
+; X64-NEXT: [[TMP14:%.*]] = load i16, i16* [[TMP12]], align 1
+; X64-NEXT: [[TMP15:%.*]] = load i16, i16* [[TMP13]], align 1
+; X64-NEXT: [[TMP16:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP14]])
+; X64-NEXT: [[TMP17:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP15]])
+; X64-NEXT: [[TMP18]] = zext i16 [[TMP16]] to i32
+; X64-NEXT: [[TMP19]] = zext i16 [[TMP17]] to i32
+; X64-NEXT: [[TMP20:%.*]] = icmp eq i32 [[TMP18]], [[TMP19]]
+; X64-NEXT: br i1 [[TMP20]], label [[ENDBLOCK]], label [[RES_BLOCK]]
+; X64: endblock:
+; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X64-NEXT: ret i32 [[PHI_RES]]
;
%call = tail call i32 @memcmp(i8* %x, i8* %y, i64 6)
ret i32 %call
}
define i32 @cmp7(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; ALL-LABEL: @cmp7(
-; ALL-NEXT: br label [[LOADBB:%.*]]
-; ALL: res_block:
-; ALL-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1:%.*]] ]
-; ALL-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP17:%.*]], [[LOADBB1]] ]
-; ALL-NEXT: [[TMP1:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
-; ALL-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
-; ALL-NEXT: br label [[ENDBLOCK:%.*]]
-; ALL: loadbb:
-; ALL-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; ALL-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; ALL-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]]
-; ALL-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]]
-; ALL-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
-; ALL-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
-; ALL-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
-; ALL-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
-; ALL: loadbb1:
-; ALL-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 3
-; ALL-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 3
-; ALL-NEXT: [[TMP12:%.*]] = bitcast i8* [[TMP10]] to i32*
-; ALL-NEXT: [[TMP13:%.*]] = bitcast i8* [[TMP11]] to i32*
-; ALL-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]]
-; ALL-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP13]]
-; ALL-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]])
-; ALL-NEXT: [[TMP17]] = call i32 @llvm.bswap.i32(i32 [[TMP15]])
-; ALL-NEXT: [[TMP18:%.*]] = icmp eq i32 [[TMP16]], [[TMP17]]
-; ALL-NEXT: br i1 [[TMP18]], label [[ENDBLOCK]], label [[RES_BLOCK]]
-; ALL: endblock:
-; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
-; ALL-NEXT: ret i32 [[PHI_RES]]
+; X64-LABEL: @cmp7(
+; X64-NEXT: br label [[LOADBB:%.*]]
+; X64: res_block:
+; X64-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1:%.*]] ]
+; X64-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP17:%.*]], [[LOADBB1]] ]
+; X64-NEXT: [[TMP1:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
+; X64-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X64-NEXT: br label [[ENDBLOCK:%.*]]
+; X64: loadbb:
+; X64-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X64-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X64-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]], align 1
+; X64-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]], align 1
+; X64-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
+; X64-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
+; X64-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
+; X64-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
+; X64: loadbb1:
+; X64-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 3
+; X64-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 3
+; X64-NEXT: [[TMP12:%.*]] = bitcast i8* [[TMP10]] to i32*
+; X64-NEXT: [[TMP13:%.*]] = bitcast i8* [[TMP11]] to i32*
+; X64-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]], align 1
+; X64-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP13]], align 1
+; X64-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]])
+; X64-NEXT: [[TMP17]] = call i32 @llvm.bswap.i32(i32 [[TMP15]])
+; X64-NEXT: [[TMP18:%.*]] = icmp eq i32 [[TMP16]], [[TMP17]]
+; X64-NEXT: br i1 [[TMP18]], label [[ENDBLOCK]], label [[RES_BLOCK]]
+; X64: endblock:
+; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X64-NEXT: ret i32 [[PHI_RES]]
;
%call = tail call i32 @memcmp(i8* %x, i8* %y, i64 7)
ret i32 %call
}
define i32 @cmp8(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp8(
-; X32-NEXT: br label [[LOADBB:%.*]]
-; X32: res_block:
-; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1:%.*]] ]
-; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP17:%.*]], [[LOADBB1]] ]
-; X32-NEXT: [[TMP1:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
-; X32-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
-; X32-NEXT: br label [[ENDBLOCK:%.*]]
-; X32: loadbb:
-; X32-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; X32-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; X32-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]], align 1
-; X32-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]], align 1
-; X32-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
-; X32-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
-; X32-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
-; X32-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
-; X32: loadbb1:
-; X32-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i64 4
-; X32-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 4
-; X32-NEXT: [[TMP12:%.*]] = bitcast i8* [[TMP10]] to i32*
-; X32-NEXT: [[TMP13:%.*]] = bitcast i8* [[TMP11]] to i32*
-; X32-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]], align 1
-; X32-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP13]], align 1
-; X32-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]])
-; X32-NEXT: [[TMP17]] = call i32 @llvm.bswap.i32(i32 [[TMP15]])
-; X32-NEXT: [[TMP18:%.*]] = icmp eq i32 [[TMP16]], [[TMP17]]
-; X32-NEXT: br i1 [[TMP18]], label [[ENDBLOCK]], label [[RES_BLOCK]]
-; X32: endblock:
-; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
-; X32-NEXT: ret i32 [[PHI_RES]]
-;
; X64-LABEL: @cmp8(
; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i64*
; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i64*
}
define i32 @cmp9(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp9(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 9)
-; X32-NEXT: ret i32 [[CALL]]
-;
; X64-LABEL: @cmp9(
; X64-NEXT: br label [[LOADBB:%.*]]
; X64: res_block:
}
define i32 @cmp10(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp10(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 10)
-; X32-NEXT: ret i32 [[CALL]]
-;
; X64-LABEL: @cmp10(
; X64-NEXT: br label [[LOADBB:%.*]]
; X64: res_block:
}
define i32 @cmp11(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp11(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 11)
-; X32-NEXT: ret i32 [[CALL]]
-;
; X64-LABEL: @cmp11(
; X64-NEXT: br label [[LOADBB:%.*]]
; X64: res_block:
; X64: loadbb:
; X64-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i64*
; X64-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i64*
-; X64-NEXT: [[TMP5:%.*]] = load i64, i64* [[TMP3]]
-; X64-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP4]]
+; X64-NEXT: [[TMP5:%.*]] = load i64, i64* [[TMP3]], align 1
+; X64-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP4]], align 1
; X64-NEXT: [[TMP7]] = call i64 @llvm.bswap.i64(i64 [[TMP5]])
; X64-NEXT: [[TMP8]] = call i64 @llvm.bswap.i64(i64 [[TMP6]])
; X64-NEXT: [[TMP9:%.*]] = icmp eq i64 [[TMP7]], [[TMP8]]
; X64-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 3
; X64-NEXT: [[TMP12:%.*]] = bitcast i8* [[TMP10]] to i64*
; X64-NEXT: [[TMP13:%.*]] = bitcast i8* [[TMP11]] to i64*
-; X64-NEXT: [[TMP14:%.*]] = load i64, i64* [[TMP12]]
-; X64-NEXT: [[TMP15:%.*]] = load i64, i64* [[TMP13]]
+; X64-NEXT: [[TMP14:%.*]] = load i64, i64* [[TMP12]], align 1
+; X64-NEXT: [[TMP15:%.*]] = load i64, i64* [[TMP13]], align 1
; X64-NEXT: [[TMP16]] = call i64 @llvm.bswap.i64(i64 [[TMP14]])
; X64-NEXT: [[TMP17]] = call i64 @llvm.bswap.i64(i64 [[TMP15]])
; X64-NEXT: [[TMP18:%.*]] = icmp eq i64 [[TMP16]], [[TMP17]]
}
define i32 @cmp12(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp12(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 12)
-; X32-NEXT: ret i32 [[CALL]]
-;
; X64-LABEL: @cmp12(
; X64-NEXT: br label [[LOADBB:%.*]]
; X64: res_block:
}
define i32 @cmp13(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp13(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 13)
-; X32-NEXT: ret i32 [[CALL]]
-;
; X64-LABEL: @cmp13(
; X64-NEXT: br label [[LOADBB:%.*]]
; X64: res_block:
; X64: loadbb:
; X64-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i64*
; X64-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i64*
-; X64-NEXT: [[TMP5:%.*]] = load i64, i64* [[TMP3]]
-; X64-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP4]]
+; X64-NEXT: [[TMP5:%.*]] = load i64, i64* [[TMP3]], align 1
+; X64-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP4]], align 1
; X64-NEXT: [[TMP7]] = call i64 @llvm.bswap.i64(i64 [[TMP5]])
; X64-NEXT: [[TMP8]] = call i64 @llvm.bswap.i64(i64 [[TMP6]])
; X64-NEXT: [[TMP9:%.*]] = icmp eq i64 [[TMP7]], [[TMP8]]
; X64-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 5
; X64-NEXT: [[TMP12:%.*]] = bitcast i8* [[TMP10]] to i64*
; X64-NEXT: [[TMP13:%.*]] = bitcast i8* [[TMP11]] to i64*
-; X64-NEXT: [[TMP14:%.*]] = load i64, i64* [[TMP12]]
-; X64-NEXT: [[TMP15:%.*]] = load i64, i64* [[TMP13]]
+; X64-NEXT: [[TMP14:%.*]] = load i64, i64* [[TMP12]], align 1
+; X64-NEXT: [[TMP15:%.*]] = load i64, i64* [[TMP13]], align 1
; X64-NEXT: [[TMP16]] = call i64 @llvm.bswap.i64(i64 [[TMP14]])
; X64-NEXT: [[TMP17]] = call i64 @llvm.bswap.i64(i64 [[TMP15]])
; X64-NEXT: [[TMP18:%.*]] = icmp eq i64 [[TMP16]], [[TMP17]]
}
define i32 @cmp14(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp14(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 14)
-; X32-NEXT: ret i32 [[CALL]]
-;
; X64-LABEL: @cmp14(
; X64-NEXT: br label [[LOADBB:%.*]]
; X64: res_block:
; X64: loadbb:
; X64-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i64*
; X64-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i64*
-; X64-NEXT: [[TMP5:%.*]] = load i64, i64* [[TMP3]]
-; X64-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP4]]
+; X64-NEXT: [[TMP5:%.*]] = load i64, i64* [[TMP3]], align 1
+; X64-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP4]], align 1
; X64-NEXT: [[TMP7]] = call i64 @llvm.bswap.i64(i64 [[TMP5]])
; X64-NEXT: [[TMP8]] = call i64 @llvm.bswap.i64(i64 [[TMP6]])
; X64-NEXT: [[TMP9:%.*]] = icmp eq i64 [[TMP7]], [[TMP8]]
; X64-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 6
; X64-NEXT: [[TMP12:%.*]] = bitcast i8* [[TMP10]] to i64*
; X64-NEXT: [[TMP13:%.*]] = bitcast i8* [[TMP11]] to i64*
-; X64-NEXT: [[TMP14:%.*]] = load i64, i64* [[TMP12]]
-; X64-NEXT: [[TMP15:%.*]] = load i64, i64* [[TMP13]]
+; X64-NEXT: [[TMP14:%.*]] = load i64, i64* [[TMP12]], align 1
+; X64-NEXT: [[TMP15:%.*]] = load i64, i64* [[TMP13]], align 1
; X64-NEXT: [[TMP16]] = call i64 @llvm.bswap.i64(i64 [[TMP14]])
; X64-NEXT: [[TMP17]] = call i64 @llvm.bswap.i64(i64 [[TMP15]])
; X64-NEXT: [[TMP18:%.*]] = icmp eq i64 [[TMP16]], [[TMP17]]
}
define i32 @cmp15(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp15(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 15)
-; X32-NEXT: ret i32 [[CALL]]
-;
; X64-LABEL: @cmp15(
; X64-NEXT: br label [[LOADBB:%.*]]
; X64: res_block:
; X64: loadbb:
; X64-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i64*
; X64-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i64*
-; X64-NEXT: [[TMP5:%.*]] = load i64, i64* [[TMP3]]
-; X64-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP4]]
+; X64-NEXT: [[TMP5:%.*]] = load i64, i64* [[TMP3]], align 1
+; X64-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP4]], align 1
; X64-NEXT: [[TMP7]] = call i64 @llvm.bswap.i64(i64 [[TMP5]])
; X64-NEXT: [[TMP8]] = call i64 @llvm.bswap.i64(i64 [[TMP6]])
; X64-NEXT: [[TMP9:%.*]] = icmp eq i64 [[TMP7]], [[TMP8]]
; X64-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i64 7
; X64-NEXT: [[TMP12:%.*]] = bitcast i8* [[TMP10]] to i64*
; X64-NEXT: [[TMP13:%.*]] = bitcast i8* [[TMP11]] to i64*
-; X64-NEXT: [[TMP14:%.*]] = load i64, i64* [[TMP12]]
-; X64-NEXT: [[TMP15:%.*]] = load i64, i64* [[TMP13]]
+; X64-NEXT: [[TMP14:%.*]] = load i64, i64* [[TMP12]], align 1
+; X64-NEXT: [[TMP15:%.*]] = load i64, i64* [[TMP13]], align 1
; X64-NEXT: [[TMP16]] = call i64 @llvm.bswap.i64(i64 [[TMP14]])
; X64-NEXT: [[TMP17]] = call i64 @llvm.bswap.i64(i64 [[TMP15]])
; X64-NEXT: [[TMP18:%.*]] = icmp eq i64 [[TMP16]], [[TMP17]]
}
define i32 @cmp16(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp16(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 16)
-; X32-NEXT: ret i32 [[CALL]]
-;
; X64-LABEL: @cmp16(
; X64-NEXT: br label [[LOADBB:%.*]]
; X64: res_block:
}
define i32 @cmp_eq2(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; ALL-LABEL: @cmp_eq2(
-; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
-; ALL-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
-; ALL-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]], align 1
-; ALL-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]], align 1
-; ALL-NEXT: [[TMP5:%.*]] = icmp ne i16 [[TMP3]], [[TMP4]]
-; ALL-NEXT: [[TMP6:%.*]] = zext i1 [[TMP5]] to i32
-; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP6]], 0
-; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; ALL-NEXT: ret i32 [[CONV]]
+; X64-LABEL: @cmp_eq2(
+; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; X64-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]], align 1
+; X64-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]], align 1
+; X64-NEXT: [[TMP5:%.*]] = icmp ne i16 [[TMP3]], [[TMP4]]
+; X64-NEXT: [[TMP6:%.*]] = zext i1 [[TMP5]] to i32
+; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP6]], 0
+; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X64-NEXT: ret i32 [[CONV]]
;
%call = tail call i32 @memcmp(i8* %x, i8* %y, i64 2)
%cmp = icmp eq i32 %call, 0
}
define i32 @cmp_eq3(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq3(
-; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
-; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
-; X32-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]], align 1
-; X32-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]], align 1
-; X32-NEXT: [[TMP5:%.*]] = xor i16 [[TMP3]], [[TMP4]]
-; X32-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i64 2
-; X32-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i64 2
-; X32-NEXT: [[TMP8:%.*]] = load i8, i8* [[TMP6]], align 1
-; X32-NEXT: [[TMP9:%.*]] = load i8, i8* [[TMP7]], align 1
-; X32-NEXT: [[TMP10:%.*]] = zext i8 [[TMP8]] to i16
-; X32-NEXT: [[TMP11:%.*]] = zext i8 [[TMP9]] to i16
-; X32-NEXT: [[TMP12:%.*]] = xor i16 [[TMP10]], [[TMP11]]
-; X32-NEXT: [[TMP13:%.*]] = or i16 [[TMP5]], [[TMP12]]
-; X32-NEXT: [[TMP14:%.*]] = icmp ne i16 [[TMP13]], 0
-; X32-NEXT: [[TMP15:%.*]] = zext i1 [[TMP14]] to i32
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP15]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64_1LD-LABEL: @cmp_eq3(
; X64_1LD-NEXT: br label [[LOADBB:%.*]]
; X64_1LD: res_block:
}
define i32 @cmp_eq4(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; ALL-LABEL: @cmp_eq4(
-; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; ALL-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; ALL-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
-; ALL-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
-; ALL-NEXT: [[TMP5:%.*]] = icmp ne i32 [[TMP3]], [[TMP4]]
-; ALL-NEXT: [[TMP6:%.*]] = zext i1 [[TMP5]] to i32
-; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP6]], 0
-; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; ALL-NEXT: ret i32 [[CONV]]
+; X64-LABEL: @cmp_eq4(
+; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X64-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
+; X64-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
+; X64-NEXT: [[TMP5:%.*]] = icmp ne i32 [[TMP3]], [[TMP4]]
+; X64-NEXT: [[TMP6:%.*]] = zext i1 [[TMP5]] to i32
+; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP6]], 0
+; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X64-NEXT: ret i32 [[CONV]]
;
%call = tail call i32 @memcmp(i8* %x, i8* %y, i64 4)
%cmp = icmp eq i32 %call, 0
}
define i32 @cmp_eq5(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq5(
-; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
-; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
-; X32-NEXT: [[TMP5:%.*]] = xor i32 [[TMP3]], [[TMP4]]
-; X32-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i64 4
-; X32-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i64 4
-; X32-NEXT: [[TMP8:%.*]] = load i8, i8* [[TMP6]], align 1
-; X32-NEXT: [[TMP9:%.*]] = load i8, i8* [[TMP7]], align 1
-; X32-NEXT: [[TMP10:%.*]] = zext i8 [[TMP8]] to i32
-; X32-NEXT: [[TMP11:%.*]] = zext i8 [[TMP9]] to i32
-; X32-NEXT: [[TMP12:%.*]] = xor i32 [[TMP10]], [[TMP11]]
-; X32-NEXT: [[TMP13:%.*]] = or i32 [[TMP5]], [[TMP12]]
-; X32-NEXT: [[TMP14:%.*]] = icmp ne i32 [[TMP13]], 0
-; X32-NEXT: [[TMP15:%.*]] = zext i1 [[TMP14]] to i32
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP15]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64_1LD-LABEL: @cmp_eq5(
; X64_1LD-NEXT: br label [[LOADBB:%.*]]
; X64_1LD: res_block:
}
define i32 @cmp_eq6(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq6(
-; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
-; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
-; X32-NEXT: [[TMP5:%.*]] = xor i32 [[TMP3]], [[TMP4]]
-; X32-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i64 4
-; X32-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i64 4
-; X32-NEXT: [[TMP8:%.*]] = bitcast i8* [[TMP6]] to i16*
-; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[TMP7]] to i16*
-; X32-NEXT: [[TMP10:%.*]] = load i16, i16* [[TMP8]], align 1
-; X32-NEXT: [[TMP11:%.*]] = load i16, i16* [[TMP9]], align 1
-; X32-NEXT: [[TMP12:%.*]] = zext i16 [[TMP10]] to i32
-; X32-NEXT: [[TMP13:%.*]] = zext i16 [[TMP11]] to i32
-; X32-NEXT: [[TMP14:%.*]] = xor i32 [[TMP12]], [[TMP13]]
-; X32-NEXT: [[TMP15:%.*]] = or i32 [[TMP5]], [[TMP14]]
-; X32-NEXT: [[TMP16:%.*]] = icmp ne i32 [[TMP15]], 0
-; X32-NEXT: [[TMP17:%.*]] = zext i1 [[TMP16]] to i32
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP17]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64_1LD-LABEL: @cmp_eq6(
; X64_1LD-NEXT: br label [[LOADBB:%.*]]
; X64_1LD: res_block:
}
define i32 @cmp_eq6_align4(i8* nocapture readonly align 4 %x, i8* nocapture readonly align 4 %y) {
-; X32-LABEL: @cmp_eq6_align4(
-; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 4
-; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 4
-; X32-NEXT: [[TMP5:%.*]] = xor i32 [[TMP3]], [[TMP4]]
-; X32-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i64 4
-; X32-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i64 4
-; X32-NEXT: [[TMP8:%.*]] = bitcast i8* [[TMP6]] to i16*
-; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[TMP7]] to i16*
-; X32-NEXT: [[TMP10:%.*]] = load i16, i16* [[TMP8]], align 4
-; X32-NEXT: [[TMP11:%.*]] = load i16, i16* [[TMP9]], align 4
-; X32-NEXT: [[TMP12:%.*]] = zext i16 [[TMP10]] to i32
-; X32-NEXT: [[TMP13:%.*]] = zext i16 [[TMP11]] to i32
-; X32-NEXT: [[TMP14:%.*]] = xor i32 [[TMP12]], [[TMP13]]
-; X32-NEXT: [[TMP15:%.*]] = or i32 [[TMP5]], [[TMP14]]
-; X32-NEXT: [[TMP16:%.*]] = icmp ne i32 [[TMP15]], 0
-; X32-NEXT: [[TMP17:%.*]] = zext i1 [[TMP16]] to i32
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP17]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64_1LD-LABEL: @cmp_eq6_align4(
; X64_1LD-NEXT: br label [[LOADBB:%.*]]
; X64_1LD: res_block:
}
define i32 @cmp_eq7(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq7(
-; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
-; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
-; X32-NEXT: [[TMP5:%.*]] = xor i32 [[TMP3]], [[TMP4]]
-; X32-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i64 3
-; X32-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i64 3
-; X32-NEXT: [[TMP8:%.*]] = bitcast i8* [[TMP6]] to i32*
-; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[TMP7]] to i32*
-; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]], align 1
-; X32-NEXT: [[TMP11:%.*]] = load i32, i32* [[TMP9]], align 1
-; X32-NEXT: [[TMP12:%.*]] = xor i32 [[TMP10]], [[TMP11]]
-; X32-NEXT: [[TMP13:%.*]] = or i32 [[TMP5]], [[TMP12]]
-; X32-NEXT: [[TMP14:%.*]] = icmp ne i32 [[TMP13]], 0
-; X32-NEXT: [[TMP15:%.*]] = zext i1 [[TMP14]] to i32
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP15]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64_1LD-LABEL: @cmp_eq7(
; X64_1LD-NEXT: br label [[LOADBB:%.*]]
; X64_1LD: res_block:
}
define i32 @cmp_eq8(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq8(
-; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 1
-; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 1
-; X32-NEXT: [[TMP5:%.*]] = xor i32 [[TMP3]], [[TMP4]]
-; X32-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i64 4
-; X32-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i64 4
-; X32-NEXT: [[TMP8:%.*]] = bitcast i8* [[TMP6]] to i32*
-; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[TMP7]] to i32*
-; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]], align 1
-; X32-NEXT: [[TMP11:%.*]] = load i32, i32* [[TMP9]], align 1
-; X32-NEXT: [[TMP12:%.*]] = xor i32 [[TMP10]], [[TMP11]]
-; X32-NEXT: [[TMP13:%.*]] = or i32 [[TMP5]], [[TMP12]]
-; X32-NEXT: [[TMP14:%.*]] = icmp ne i32 [[TMP13]], 0
-; X32-NEXT: [[TMP15:%.*]] = zext i1 [[TMP14]] to i32
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP15]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64-LABEL: @cmp_eq8(
; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i64*
; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i64*
}
define i32 @cmp_eq9(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq9(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 9)
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64_1LD-LABEL: @cmp_eq9(
; X64_1LD-NEXT: br label [[LOADBB:%.*]]
; X64_1LD: res_block:
}
define i32 @cmp_eq10(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq10(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 10)
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64_1LD-LABEL: @cmp_eq10(
; X64_1LD-NEXT: br label [[LOADBB:%.*]]
; X64_1LD: res_block:
}
define i32 @cmp_eq11(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq11(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 11)
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64_1LD-LABEL: @cmp_eq11(
; X64_1LD-NEXT: br label [[LOADBB:%.*]]
; X64_1LD: res_block:
}
define i32 @cmp_eq12(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq12(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 12)
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64_1LD-LABEL: @cmp_eq12(
; X64_1LD-NEXT: br label [[LOADBB:%.*]]
; X64_1LD: res_block:
}
define i32 @cmp_eq13(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq13(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 13)
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64_1LD-LABEL: @cmp_eq13(
; X64_1LD-NEXT: br label [[LOADBB:%.*]]
; X64_1LD: res_block:
}
define i32 @cmp_eq14(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq14(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 14)
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64_1LD-LABEL: @cmp_eq14(
; X64_1LD-NEXT: br label [[LOADBB:%.*]]
; X64_1LD: res_block:
}
define i32 @cmp_eq15(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq15(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 15)
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64_1LD-LABEL: @cmp_eq15(
; X64_1LD-NEXT: br label [[LOADBB:%.*]]
; X64_1LD: res_block:
}
define i32 @cmp_eq16(i8* nocapture readonly %x, i8* nocapture readonly %y) {
-; X32-LABEL: @cmp_eq16(
-; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 16)
-; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
-; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
-; X32-NEXT: ret i32 [[CONV]]
-;
; X64-LABEL: @cmp_eq16(
; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i128*
; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i128*