+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+bmi,+lzcnt | FileCheck %s
; LZCNT and TZCNT will always produce the operand size when the input operand
define i16 @test1_ctlz(i16 %v) {
+; CHECK-LABEL: test1_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntw %di, %ax
+; CHECK-NEXT: retq
%cnt = tail call i16 @llvm.ctlz.i16(i16 %v, i1 true)
%tobool = icmp eq i16 %v, 0
%cond = select i1 %tobool, i16 16, i16 %cnt
ret i16 %cond
}
-; CHECK-LABEL: test1_ctlz
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i32 @test2_ctlz(i32 %v) {
+; CHECK-LABEL: test2_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntl %edi, %eax
+; CHECK-NEXT: retq
%cnt = tail call i32 @llvm.ctlz.i32(i32 %v, i1 true)
%tobool = icmp eq i32 %v, 0
%cond = select i1 %tobool, i32 32, i32 %cnt
ret i32 %cond
}
-; CHECK-LABEL: test2_ctlz
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i64 @test3_ctlz(i64 %v) {
+; CHECK-LABEL: test3_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntq %rdi, %rax
+; CHECK-NEXT: retq
%cnt = tail call i64 @llvm.ctlz.i64(i64 %v, i1 true)
%tobool = icmp eq i64 %v, 0
%cond = select i1 %tobool, i64 64, i64 %cnt
ret i64 %cond
}
-; CHECK-LABEL: test3_ctlz
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i16 @test4_ctlz(i16 %v) {
+; CHECK-LABEL: test4_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntw %di, %ax
+; CHECK-NEXT: retq
%cnt = tail call i16 @llvm.ctlz.i16(i16 %v, i1 true)
%tobool = icmp eq i16 0, %v
%cond = select i1 %tobool, i16 16, i16 %cnt
ret i16 %cond
}
-; CHECK-LABEL: test4_ctlz
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i32 @test5_ctlz(i32 %v) {
+; CHECK-LABEL: test5_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntl %edi, %eax
+; CHECK-NEXT: retq
%cnt = tail call i32 @llvm.ctlz.i32(i32 %v, i1 true)
%tobool = icmp eq i32 0, %v
%cond = select i1 %tobool, i32 32, i32 %cnt
ret i32 %cond
}
-; CHECK-LABEL: test5_ctlz
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i64 @test6_ctlz(i64 %v) {
+; CHECK-LABEL: test6_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntq %rdi, %rax
+; CHECK-NEXT: retq
%cnt = tail call i64 @llvm.ctlz.i64(i64 %v, i1 true)
%tobool = icmp eq i64 0, %v
%cond = select i1 %tobool, i64 64, i64 %cnt
ret i64 %cond
}
-; CHECK-LABEL: test6_ctlz
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i16 @test10_ctlz(i16* %ptr) {
+; CHECK-LABEL: test10_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntw (%rdi), %ax
+; CHECK-NEXT: retq
%v = load i16, i16* %ptr
%cnt = tail call i16 @llvm.ctlz.i16(i16 %v, i1 true)
%tobool = icmp eq i16 %v, 0
%cond = select i1 %tobool, i16 16, i16 %cnt
ret i16 %cond
}
-; CHECK-LABEL: test10_ctlz
-; CHECK-NOT: movw
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i32 @test11_ctlz(i32* %ptr) {
+; CHECK-LABEL: test11_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntl (%rdi), %eax
+; CHECK-NEXT: retq
%v = load i32, i32* %ptr
%cnt = tail call i32 @llvm.ctlz.i32(i32 %v, i1 true)
%tobool = icmp eq i32 %v, 0
%cond = select i1 %tobool, i32 32, i32 %cnt
ret i32 %cond
}
-; CHECK-LABEL: test11_ctlz
-; CHECK-NOT: movd
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i64 @test12_ctlz(i64* %ptr) {
+; CHECK-LABEL: test12_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntq (%rdi), %rax
+; CHECK-NEXT: retq
%v = load i64, i64* %ptr
%cnt = tail call i64 @llvm.ctlz.i64(i64 %v, i1 true)
%tobool = icmp eq i64 %v, 0
%cond = select i1 %tobool, i64 64, i64 %cnt
ret i64 %cond
}
-; CHECK-LABEL: test12_ctlz
-; CHECK-NOT: movq
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i16 @test13_ctlz(i16* %ptr) {
+; CHECK-LABEL: test13_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntw (%rdi), %ax
+; CHECK-NEXT: retq
%v = load i16, i16* %ptr
%cnt = tail call i16 @llvm.ctlz.i16(i16 %v, i1 true)
%tobool = icmp eq i16 0, %v
%cond = select i1 %tobool, i16 16, i16 %cnt
ret i16 %cond
}
-; CHECK-LABEL: test13_ctlz
-; CHECK-NOT: movw
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i32 @test14_ctlz(i32* %ptr) {
+; CHECK-LABEL: test14_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntl (%rdi), %eax
+; CHECK-NEXT: retq
%v = load i32, i32* %ptr
%cnt = tail call i32 @llvm.ctlz.i32(i32 %v, i1 true)
%tobool = icmp eq i32 0, %v
%cond = select i1 %tobool, i32 32, i32 %cnt
ret i32 %cond
}
-; CHECK-LABEL: test14_ctlz
-; CHECK-NOT: movd
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i64 @test15_ctlz(i64* %ptr) {
+; CHECK-LABEL: test15_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntq (%rdi), %rax
+; CHECK-NEXT: retq
%v = load i64, i64* %ptr
%cnt = tail call i64 @llvm.ctlz.i64(i64 %v, i1 true)
%tobool = icmp eq i64 0, %v
%cond = select i1 %tobool, i64 64, i64 %cnt
ret i64 %cond
}
-; CHECK-LABEL: test15_ctlz
-; CHECK-NOT: movq
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i16 @test1_cttz(i16 %v) {
+; CHECK-LABEL: test1_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntw %di, %ax
+; CHECK-NEXT: retq
%cnt = tail call i16 @llvm.cttz.i16(i16 %v, i1 true)
%tobool = icmp eq i16 %v, 0
%cond = select i1 %tobool, i16 16, i16 %cnt
ret i16 %cond
}
-; CHECK-LABEL: test1_cttz
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i32 @test2_cttz(i32 %v) {
+; CHECK-LABEL: test2_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntl %edi, %eax
+; CHECK-NEXT: retq
%cnt = tail call i32 @llvm.cttz.i32(i32 %v, i1 true)
%tobool = icmp eq i32 %v, 0
%cond = select i1 %tobool, i32 32, i32 %cnt
ret i32 %cond
}
-; CHECK-LABEL: test2_cttz
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i64 @test3_cttz(i64 %v) {
+; CHECK-LABEL: test3_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntq %rdi, %rax
+; CHECK-NEXT: retq
%cnt = tail call i64 @llvm.cttz.i64(i64 %v, i1 true)
%tobool = icmp eq i64 %v, 0
%cond = select i1 %tobool, i64 64, i64 %cnt
ret i64 %cond
}
-; CHECK-LABEL: test3_cttz
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i16 @test4_cttz(i16 %v) {
+; CHECK-LABEL: test4_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntw %di, %ax
+; CHECK-NEXT: retq
%cnt = tail call i16 @llvm.cttz.i16(i16 %v, i1 true)
%tobool = icmp eq i16 0, %v
%cond = select i1 %tobool, i16 16, i16 %cnt
ret i16 %cond
}
-; CHECK-LABEL: test4_cttz
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i32 @test5_cttz(i32 %v) {
+; CHECK-LABEL: test5_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntl %edi, %eax
+; CHECK-NEXT: retq
%cnt = tail call i32 @llvm.cttz.i32(i32 %v, i1 true)
%tobool = icmp eq i32 0, %v
%cond = select i1 %tobool, i32 32, i32 %cnt
ret i32 %cond
}
-; CHECK-LABEL: test5_cttz
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i64 @test6_cttz(i64 %v) {
+; CHECK-LABEL: test6_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntq %rdi, %rax
+; CHECK-NEXT: retq
%cnt = tail call i64 @llvm.cttz.i64(i64 %v, i1 true)
%tobool = icmp eq i64 0, %v
%cond = select i1 %tobool, i64 64, i64 %cnt
ret i64 %cond
}
-; CHECK-LABEL: test6_cttz
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i16 @test10_cttz(i16* %ptr) {
+; CHECK-LABEL: test10_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntw (%rdi), %ax
+; CHECK-NEXT: retq
%v = load i16, i16* %ptr
%cnt = tail call i16 @llvm.cttz.i16(i16 %v, i1 true)
%tobool = icmp eq i16 %v, 0
%cond = select i1 %tobool, i16 16, i16 %cnt
ret i16 %cond
}
-; CHECK-LABEL: test10_cttz
-; CHECK-NOT: movw
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i32 @test11_cttz(i32* %ptr) {
+; CHECK-LABEL: test11_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntl (%rdi), %eax
+; CHECK-NEXT: retq
%v = load i32, i32* %ptr
%cnt = tail call i32 @llvm.cttz.i32(i32 %v, i1 true)
%tobool = icmp eq i32 %v, 0
%cond = select i1 %tobool, i32 32, i32 %cnt
ret i32 %cond
}
-; CHECK-LABEL: test11_cttz
-; CHECK-NOT: movd
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i64 @test12_cttz(i64* %ptr) {
+; CHECK-LABEL: test12_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntq (%rdi), %rax
+; CHECK-NEXT: retq
%v = load i64, i64* %ptr
%cnt = tail call i64 @llvm.cttz.i64(i64 %v, i1 true)
%tobool = icmp eq i64 %v, 0
%cond = select i1 %tobool, i64 64, i64 %cnt
ret i64 %cond
}
-; CHECK-LABEL: test12_cttz
-; CHECK-NOT: movq
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i16 @test13_cttz(i16* %ptr) {
+; CHECK-LABEL: test13_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntw (%rdi), %ax
+; CHECK-NEXT: retq
%v = load i16, i16* %ptr
%cnt = tail call i16 @llvm.cttz.i16(i16 %v, i1 true)
%tobool = icmp eq i16 0, %v
%cond = select i1 %tobool, i16 16, i16 %cnt
ret i16 %cond
}
-; CHECK-LABEL: test13_cttz
-; CHECK-NOT: movw
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i32 @test14_cttz(i32* %ptr) {
+; CHECK-LABEL: test14_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntl (%rdi), %eax
+; CHECK-NEXT: retq
%v = load i32, i32* %ptr
%cnt = tail call i32 @llvm.cttz.i32(i32 %v, i1 true)
%tobool = icmp eq i32 0, %v
%cond = select i1 %tobool, i32 32, i32 %cnt
ret i32 %cond
}
-; CHECK-LABEL: test14_cttz
-; CHECK-NOT: movd
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i64 @test15_cttz(i64* %ptr) {
+; CHECK-LABEL: test15_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntq (%rdi), %rax
+; CHECK-NEXT: retq
%v = load i64, i64* %ptr
%cnt = tail call i64 @llvm.cttz.i64(i64 %v, i1 true)
%tobool = icmp eq i64 0, %v
%cond = select i1 %tobool, i64 64, i64 %cnt
ret i64 %cond
}
-; CHECK-LABEL: test15_cttz
-; CHECK-NOT: movq
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i16 @test4b_ctlz(i16 %v) {
+; CHECK-LABEL: test4b_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntw %di, %ax
+; CHECK-NEXT: retq
%cnt = tail call i16 @llvm.ctlz.i16(i16 %v, i1 true)
%tobool = icmp ne i16 %v, 0
%cond = select i1 %tobool, i16 %cnt, i16 16
ret i16 %cond
}
-; CHECK-LABEL: test4b_ctlz
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i32 @test5b_ctlz(i32 %v) {
+; CHECK-LABEL: test5b_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntl %edi, %eax
+; CHECK-NEXT: retq
%cnt = tail call i32 @llvm.ctlz.i32(i32 %v, i1 true)
%tobool = icmp ne i32 %v, 0
%cond = select i1 %tobool, i32 %cnt, i32 32
ret i32 %cond
}
-; CHECK-LABEL: test5b_ctlz
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i64 @test6b_ctlz(i64 %v) {
+; CHECK-LABEL: test6b_ctlz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: lzcntq %rdi, %rax
+; CHECK-NEXT: retq
%cnt = tail call i64 @llvm.ctlz.i64(i64 %v, i1 true)
%tobool = icmp ne i64 %v, 0
%cond = select i1 %tobool, i64 %cnt, i64 64
ret i64 %cond
}
-; CHECK-LABEL: test6b_ctlz
-; CHECK: lzcnt
-; CHECK-NEXT: ret
define i16 @test4b_cttz(i16 %v) {
+; CHECK-LABEL: test4b_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntw %di, %ax
+; CHECK-NEXT: retq
%cnt = tail call i16 @llvm.cttz.i16(i16 %v, i1 true)
%tobool = icmp ne i16 %v, 0
%cond = select i1 %tobool, i16 %cnt, i16 16
ret i16 %cond
}
-; CHECK-LABEL: test4b_cttz
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i32 @test5b_cttz(i32 %v) {
+; CHECK-LABEL: test5b_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntl %edi, %eax
+; CHECK-NEXT: retq
%cnt = tail call i32 @llvm.cttz.i32(i32 %v, i1 true)
%tobool = icmp ne i32 %v, 0
%cond = select i1 %tobool, i32 %cnt, i32 32
ret i32 %cond
}
-; CHECK-LABEL: test5b_cttz
-; CHECK: tzcnt
-; CHECK-NEXT: ret
define i64 @test6b_cttz(i64 %v) {
+; CHECK-LABEL: test6b_cttz:
+; CHECK: # %bb.0:
+; CHECK-NEXT: tzcntq %rdi, %rax
+; CHECK-NEXT: retq
%cnt = tail call i64 @llvm.cttz.i64(i64 %v, i1 true)
%tobool = icmp ne i64 %v, 0
%cond = select i1 %tobool, i64 %cnt, i64 64
ret i64 %cond
}
-; CHECK-LABEL: test6b_cttz
-; CHECK: tzcnt
-; CHECK-NEXT: ret
declare i64 @llvm.cttz.i64(i64, i1)