[BuildLibCalls] Noalias annotation

Summary: I think this is better solution than annotating callsites in IC/SLC.

Reviewers: jdoerfert

Reviewed By: jdoerfert

Subscribers: MaskRay, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D66217

llvm-svn: 368875

diff --git a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
index bab4d38..ea1fbc9 100644 (file)
--- a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
@@ -88,6 +88,14 @@ static bool setDoesNotCapture(Function &F, unsigned ArgNo) {
   return true;
 }
 
+static bool setDoesNotAlias(Function &F, unsigned ArgNo) {
+  if (F.hasParamAttribute(ArgNo, Attribute::NoAlias))
+    return false;
+  F.addParamAttr(ArgNo, Attribute::NoAlias);
+  ++NumNoAlias;
+  return true;
+}
+
 static bool setOnlyReadsMemory(Function &F, unsigned ArgNo) {
   if (F.hasParamAttribute(ArgNo, Attribute::ReadOnly))
     return false;
@@ -175,6 +183,9 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) {
     return Changed;
   case LibFunc_strcpy:
   case LibFunc_strncpy:
+    Changed |= setDoesNotAlias(F, 0);
+    Changed |= setDoesNotAlias(F, 1);
+    LLVM_FALLTHROUGH;
   case LibFunc_strcat:
   case LibFunc_strncat:
     Changed |= setReturnedArg(F, 0);
@@ -249,12 +260,14 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) {
   case LibFunc_sprintf:
     Changed |= setDoesNotThrow(F);
     Changed |= setDoesNotCapture(F, 0);
+    Changed |= setDoesNotAlias(F, 0);
     Changed |= setDoesNotCapture(F, 1);
     Changed |= setOnlyReadsMemory(F, 1);
     return Changed;
   case LibFunc_snprintf:
     Changed |= setDoesNotThrow(F);
     Changed |= setDoesNotCapture(F, 0);
+    Changed |= setDoesNotAlias(F, 0);
     Changed |= setDoesNotCapture(F, 2);
     Changed |= setOnlyReadsMemory(F, 2);
     return Changed;
@@ -291,6 +304,9 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) {
     Changed |= setDoesNotCapture(F, 1);
     return Changed;
   case LibFunc_memcpy:
+    Changed |= setDoesNotAlias(F, 0);
+    Changed |= setDoesNotAlias(F, 1);
+    LLVM_FALLTHROUGH;
   case LibFunc_memmove:
     Changed |= setReturnedArg(F, 0);
     LLVM_FALLTHROUGH;

diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
index cb1021d..ef4cc22 100644 (file)
--- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -460,9 +460,6 @@ Value *LibCallSimplifier::optimizeStrCpy(CallInst *CI, IRBuilder<> &B) {
   if (Dst == Src) // strcpy(x,x)  -> x
     return Src;
 
-  CI->addParamAttr(0, Attribute::NoAlias);
-  CI->addParamAttr(1, Attribute::NoAlias);
-
   // See if we can get the length of the input string.
   uint64_t Len = GetStringLength(Src);
   if (Len == 0)
@@ -505,9 +502,6 @@ Value *LibCallSimplifier::optimizeStrNCpy(CallInst *CI, IRBuilder<> &B) {
   Value *Src = CI->getArgOperand(1);
   Value *LenOp = CI->getArgOperand(2);
 
-  CI->addParamAttr(0, Attribute::NoAlias);
-  CI->addParamAttr(1, Attribute::NoAlias);
-
   // See if we can get the length of the input string.
   uint64_t SrcLen = GetStringLength(Src);
   if (SrcLen == 0)
@@ -989,9 +983,6 @@ Value *LibCallSimplifier::optimizeMemCpy(CallInst *CI, IRBuilder<> &B,
   if (ConstantInt *LenC = dyn_cast<ConstantInt>(Size))
     annotateDereferenceableBytes(CI, {0, 1}, LenC->getZExtValue());
 
-  CI->addParamAttr(0, Attribute::NoAlias);
-  CI->addParamAttr(1, Attribute::NoAlias);
-
   if (isIntrinsic)
     return nullptr;
 

diff --git a/llvm/test/Analysis/TypeBasedAliasAnalysis/memcpyopt.ll b/llvm/test/Analysis/TypeBasedAliasAnalysis/memcpyopt.ll
index d4d1242..2cbd5a6 100644 (file)
--- a/llvm/test/Analysis/TypeBasedAliasAnalysis/memcpyopt.ll
+++ b/llvm/test/Analysis/TypeBasedAliasAnalysis/memcpyopt.ll
@@ -8,7 +8,7 @@ target datalayout = "e-p:64:64:64"
 
 define void @foo(i8* nocapture %p, i8* nocapture %q, i8* nocapture %s) nounwind {
 ; CHECK: @foo
-; CHECK-NEXT: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias align 1 dereferenceable(16) %p, i8* noalias align 1 dereferenceable(16) %q, i64 16, i1 false), !tbaa !0
+; CHECK-NEXT: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 dereferenceable(16) %p, i8* align 1 dereferenceable(16) %q, i64 16, i1 false), !tbaa !0
 ; CHECK-NEXT: store i8 2, i8* %s, align 1, !tbaa [[TAGA:!.*]]
 ; CHECK-NEXT: ret void
   tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %p, i8* %q, i64 16, i1 false), !tbaa !2

diff --git a/llvm/test/Other/cgscc-devirt-iteration.ll b/llvm/test/Other/cgscc-devirt-iteration.ll
index 204754e..3fcb332 100644 (file)
--- a/llvm/test/Other/cgscc-devirt-iteration.ll
+++ b/llvm/test/Other/cgscc-devirt-iteration.ll
@@ -96,7 +96,7 @@ entry:
 }
 
 declare i8* @memcpy(i8*, i8*, i64)
-; CHECK-LABEL: declare i8* @memcpy(
+; CHECK-LABEL: i8* @memcpy(
 
 ; The @test3 function checks that when we refine an indirect call to an
 ; intrinsic we still revisit the SCC pass. This also covers cases where the

diff --git a/llvm/test/Other/cgscc-libcall-update.ll b/llvm/test/Other/cgscc-libcall-update.ll
index 249ef53..5aa61df 100644 (file)
--- a/llvm/test/Other/cgscc-libcall-update.ll
+++ b/llvm/test/Other/cgscc-libcall-update.ll
@@ -18,7 +18,7 @@ bb:
   %tmp3 = call i64 @llvm.objectsize.i64.p0i8(i8* %tmp2, i1 false, i1 true, i1 false)
   %tmp4 = call i8* @__strncpy_chk(i8* %arg2, i8* %tmp2, i64 1023, i64 %tmp3)
 ; CHECK-NOT:     call
-; CHECK:         call i8* @strncpy(i8* noalias %arg2, i8* noalias nonnull %tmp2, i64 1023)
+; CHECK:         call i8* @strncpy(i8* %arg2, i8* nonnull %tmp2, i64 1023)
 ; CHECK-NOT:     call
 
   ret i8* %tmp4

diff --git a/llvm/test/Transforms/InferFunctionAttrs/annotate.ll b/llvm/test/Transforms/InferFunctionAttrs/annotate.ll
index 3fcba71..f3b0cd4 100644 (file)
--- a/llvm/test/Transforms/InferFunctionAttrs/annotate.ll
+++ b/llvm/test/Transforms/InferFunctionAttrs/annotate.ll
@@ -628,7 +628,7 @@ declare i8* @memchr(i8*, i32, i64)
 ; CHECK: declare i32 @memcmp(i8* nocapture, i8* nocapture, i64) [[G2]]
 declare i32 @memcmp(i8*, i8*, i64)
 
-; CHECK: declare i8* @memcpy(i8* returned, i8* nocapture readonly, i64) [[G1]]
+; CHECK: declare i8* @memcpy(i8* noalias returned, i8* noalias nocapture readonly, i64) [[G1]]
 declare i8* @memcpy(i8*, i8*, i64)
 
 ; CHECK: declare i8* @mempcpy(i8*, i8* nocapture readonly, i64) [[G1]]
@@ -793,10 +793,10 @@ declare x86_fp80 @sinhl(x86_fp80)
 ; CHECK: declare x86_fp80 @sinl(x86_fp80) [[G0]]
 declare x86_fp80 @sinl(x86_fp80)
 
-; CHECK: declare i32 @snprintf(i8* nocapture, i64, i8* nocapture readonly, ...) [[G1]]
+; CHECK: declare i32 @snprintf(i8* noalias nocapture, i64, i8* nocapture readonly, ...) [[G1]]
 declare i32 @snprintf(i8*, i64, i8*, ...)
 
-; CHECK: declare i32 @sprintf(i8* nocapture, i8* nocapture readonly, ...) [[G1]]
+; CHECK: declare i32 @sprintf(i8* noalias nocapture, i8* nocapture readonly, ...) [[G1]]
 declare i32 @sprintf(i8*, i8*, ...)
 
 ; CHECK: declare double @sqrt(double) [[G0]]
@@ -844,7 +844,7 @@ declare i32 @strcmp(i8*, i8*)
 ; CHECK: declare i32 @strcoll(i8* nocapture, i8* nocapture) [[G2]]
 declare i32 @strcoll(i8*, i8*)
 
-; CHECK: declare i8* @strcpy(i8* returned, i8* nocapture readonly) [[G1]]
+; CHECK: declare i8* @strcpy(i8* noalias returned, i8* noalias nocapture readonly) [[G1]]
 declare i8* @strcpy(i8*, i8*)
 
 ; CHECK: declare i64 @strcspn(i8* nocapture, i8* nocapture) [[G2]]
@@ -865,7 +865,7 @@ declare i8* @strncat(i8*, i8*, i64)
 ; CHECK: declare i32 @strncmp(i8* nocapture, i8* nocapture, i64) [[G2]]
 declare i32 @strncmp(i8*, i8*, i64)
 
-; CHECK: declare i8* @strncpy(i8* returned, i8* nocapture readonly, i64) [[G1]]
+; CHECK: declare i8* @strncpy(i8* noalias returned, i8* noalias nocapture readonly, i64) [[G1]]
 declare i8* @strncpy(i8*, i8*, i64)
 
 ; CHECK: declare noalias i8* @strndup(i8* nocapture readonly, i64) [[G1]]

diff --git a/llvm/test/Transforms/InstCombine/annotate-noalias.ll b/llvm/test/Transforms/InstCombine/annotate-noalias.ll
deleted file mode 100644 (file)
index 651bff1..0000000
--- a/llvm/test/Transforms/InstCombine/annotate-noalias.ll
+++ /dev/null
@@ -1,78 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -instcombine  -S < %s | FileCheck %s
-
-
-declare i8* @memcpy(i8* nocapture, i8* nocapture, i64)
-declare i8* @strncpy(i8* nocapture, i8* nocapture, i64)
-declare i8* @strcpy(i8* nocapture, i8* nocapture)
-
-define i8* @memcpy_const_size_noalias(i8* nocapture readonly %d, i8* nocapture readonly %s) {
-; CHECK-LABEL: @memcpy_const_size_noalias(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias align 1 dereferenceable(16) [[D:%.*]], i8* noalias align 1 dereferenceable(16) [[S:%.*]], i64 16, i1 false)
-; CHECK-NEXT:    ret i8* [[D]]
-;
-  %call = tail call i8* @memcpy(i8* %d, i8* %s, i64 16)
-  ret i8* %call
-}
-
-define i8* @memcpy_const_zero_size_noalias(i8* nocapture readonly %d, i8* nocapture readonly %s) {
-; CHECK-LABEL: @memcpy_const_zero_size_noalias(
-; CHECK-NEXT:    ret i8* [[D:%.*]]
-;
-  %call = tail call i8* @memcpy(i8* %d, i8* %s, i64 0)
-  ret i8* %call
-}
-
-define i8* @memcpy_nonconst_size_noalias(i8* nocapture readonly %d, i8* nocapture readonly %s, i64 %n) {
-; CHECK-LABEL: @memcpy_nonconst_size_noalias(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias align 1 [[D:%.*]], i8* noalias align 1 [[S:%.*]], i64 [[N:%.*]], i1 false)
-; CHECK-NEXT:    ret i8* [[D]]
-;
-  %call = tail call i8* @memcpy(i8* %d, i8* %s, i64 %n)
-  ret i8* %call
-}
-
-define i8* @strncpy_const_size_noalias(i8* nocapture readonly %d, i8* nocapture readonly %s) {
-; CHECK-LABEL: @strncpy_const_size_noalias(
-; CHECK-NEXT:    [[CALL:%.*]] = tail call i8* @strncpy(i8* noalias [[D:%.*]], i8* noalias [[S:%.*]], i64 16)
-; CHECK-NEXT:    ret i8* [[CALL]]
-;
-  %call = tail call i8* @strncpy(i8* %d, i8* %s, i64 16)
-  ret i8* %call
-}
-
-define i8* @strncpy_const_zero_size_noalias(i8* nocapture readonly %d, i8* nocapture readonly %s) {
-; CHECK-LABEL: @strncpy_const_zero_size_noalias(
-; CHECK-NEXT:    [[CALL:%.*]] = tail call i8* @strncpy(i8* noalias [[D:%.*]], i8* noalias [[S:%.*]], i64 0)
-; CHECK-NEXT:    ret i8* [[CALL]]
-;
-  %call = tail call i8* @strncpy(i8* %d, i8* %s, i64 0)
-  ret i8* %call
-}
-
-define i8* @strncpy_nonconst_size_noalias(i8* nocapture readonly %d, i8* nocapture readonly %s, i64 %n) {
-; CHECK-LABEL: @strncpy_nonconst_size_noalias(
-; CHECK-NEXT:    [[CALL:%.*]] = tail call i8* @strncpy(i8* noalias [[D:%.*]], i8* noalias [[S:%.*]], i64 [[N:%.*]])
-; CHECK-NEXT:    ret i8* [[CALL]]
-;
-  %call = tail call i8* @strncpy(i8* %d, i8* %s, i64 %n)
-  ret i8* %call
-}
-
-define i8* @strcpy_const_size_noalias(i8* nocapture readonly %d, i8* nocapture readonly %s) {
-; CHECK-LABEL: @strcpy_const_size_noalias(
-; CHECK-NEXT:    [[CALL:%.*]] = tail call i8* @strcpy(i8* noalias [[D:%.*]], i8* noalias [[S:%.*]])
-; CHECK-NEXT:    ret i8* [[CALL]]
-;
-  %call = tail call i8* @strcpy(i8* %d, i8* %s)
-  ret i8* %call
-}
-
-define i8* @strcpy_nonconst_size_noalias(i8* nocapture readonly %d, i8* nocapture readonly %s) {
-; CHECK-LABEL: @strcpy_nonconst_size_noalias(
-; CHECK-NEXT:    [[CALL:%.*]] = tail call i8* @strcpy(i8* noalias [[D:%.*]], i8* noalias [[S:%.*]])
-; CHECK-NEXT:    ret i8* [[CALL]]
-;
-  %call = tail call i8* @strcpy(i8* %d, i8* %s)
-  ret i8* %call
-}

diff --git a/llvm/test/Transforms/InstCombine/mem-deref-bytes.ll b/llvm/test/Transforms/InstCombine/mem-deref-bytes.ll
index d4e8f9e..8eacd17 100644 (file)
--- a/llvm/test/Transforms/InstCombine/mem-deref-bytes.ll
+++ b/llvm/test/Transforms/InstCombine/mem-deref-bytes.ll
@@ -84,7 +84,7 @@ define i32 @memcmp_nonconst_size(i8* nocapture readonly %d, i8* nocapture readon
 
 define i8* @memcpy_const_size_set_deref(i8* nocapture readonly %d, i8* nocapture readonly %s) {
 ; CHECK-LABEL: @memcpy_const_size_set_deref(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias align 1 dereferenceable(64) [[D:%.*]], i8* noalias align 1 dereferenceable(64) [[S:%.*]], i64 64, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 dereferenceable(64) [[D:%.*]], i8* align 1 dereferenceable(64) [[S:%.*]], i64 64, i1 false)
 ; CHECK-NEXT:    ret i8* [[D]]
 ;
   %call = tail call i8* @memcpy(i8* %d, i8* %s, i64 64)
@@ -120,7 +120,7 @@ define i8* @memchr_const_size_set_deref(i8* nocapture readonly %s, i32 %c) {
 
 define i8* @llvm_memcpy_const_size_set_deref(i8* nocapture readonly %d, i8* nocapture readonly %s) {
 ; CHECK-LABEL: @llvm_memcpy_const_size_set_deref(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias align 1 dereferenceable(16) [[D:%.*]], i8* noalias align 1 dereferenceable(16) [[S:%.*]], i64 16, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 dereferenceable(16) [[D:%.*]], i8* align 1 dereferenceable(16) [[S:%.*]], i64 16, i1 false)
 ; CHECK-NEXT:    ret i8* [[D]]
 ;
   call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %d, i8* align 1 %s, i64 16, i1 false)

diff --git a/llvm/test/Transforms/InstCombine/memcpy-1.ll b/llvm/test/Transforms/InstCombine/memcpy-1.ll
index 822a9d4..ef02072 100644 (file)
--- a/llvm/test/Transforms/InstCombine/memcpy-1.ll
+++ b/llvm/test/Transforms/InstCombine/memcpy-1.ll
@@ -11,7 +11,7 @@ declare i8* @memcpy(i8*, i8*, i32)
 
 define i8* @test_simplify1(i8* %mem1, i8* %mem2, i32 %size) {
 ; CHECK-LABEL: @test_simplify1(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 [[MEM1:%.*]], i8* noalias align 1 [[MEM2:%.*]], i32 [[SIZE:%.*]], i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[MEM1:%.*]], i8* align 1 [[MEM2:%.*]], i32 [[SIZE:%.*]], i1 false)
 ; CHECK-NEXT:    ret i8* [[MEM1]]
 ;
   %ret = call i8* @memcpy(i8* %mem1, i8* %mem2, i32 %size)
@@ -22,7 +22,7 @@ define i8* @test_simplify1(i8* %mem1, i8* %mem2, i32 %size) {
 
 define i8* @test_simplify2(i8* %mem1, i8* %mem2, i32 %size) {
 ; CHECK-LABEL: @test_simplify2(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 [[MEM1:%.*]], i8* noalias align 1 [[MEM2:%.*]], i32 [[SIZE:%.*]], i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[MEM1:%.*]], i8* align 1 [[MEM2:%.*]], i32 [[SIZE:%.*]], i1 false)
 ; CHECK-NEXT:    ret i8* [[MEM1]]
 ;
   %ret = call i8* @memcpy(i8* %mem1, i8* %mem2, i32 %size) strictfp

diff --git a/llvm/test/Transforms/InstCombine/memcpy-from-global.ll b/llvm/test/Transforms/InstCombine/memcpy-from-global.ll
index 67ec4ef..2e5b83c 100644 (file)
--- a/llvm/test/Transforms/InstCombine/memcpy-from-global.ll
+++ b/llvm/test/Transforms/InstCombine/memcpy-from-global.ll
@@ -78,7 +78,7 @@ define void @test2() {
 ; CHECK-LABEL: @test2(
 ; CHECK-NEXT:    [[B1:%.*]] = alloca [124 x i8], align 8
 ; CHECK-NEXT:    [[B1_SUB:%.*]] = getelementptr inbounds [124 x i8], [124 x i8]* [[B1]], i64 0, i64 0
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nonnull align 8 dereferenceable(124) [[B1_SUB]], i8* noalias align 16 dereferenceable(124) getelementptr inbounds (%T, %T* @G, i64 0, i32 0), i64 124, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 dereferenceable(124) [[B1_SUB]], i8* align 16 dereferenceable(124) getelementptr inbounds (%T, %T* @G, i64 0, i32 0), i64 124, i1 false)
 ; CHECK-NEXT:    call void @bar(i8* nonnull [[B1_SUB]])
 ; CHECK-NEXT:    ret void
 ;
@@ -101,7 +101,7 @@ define void @test2_no_null_opt() #0 {
 ; CHECK-LABEL: @test2_no_null_opt(
 ; CHECK-NEXT:    [[B1:%.*]] = alloca [124 x i8], align 8
 ; CHECK-NEXT:    [[B1_SUB:%.*]] = getelementptr inbounds [124 x i8], [124 x i8]* [[B1]], i64 0, i64 0
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias align 8 dereferenceable(124) [[B1_SUB]], i8* noalias align 16 dereferenceable(124) getelementptr inbounds (%T, %T* @G, i64 0, i32 0), i64 124, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 dereferenceable(124) [[B1_SUB]], i8* align 16 dereferenceable(124) getelementptr inbounds (%T, %T* @G, i64 0, i32 0), i64 124, i1 false)
 ; CHECK-NEXT:    call void @bar(i8* [[B1_SUB]])
 ; CHECK-NEXT:    ret void
 ;
@@ -125,7 +125,7 @@ define void @test2_addrspacecast() {
 ; CHECK-NEXT:    [[B1:%.*]] = alloca [124 x i8], align 8
 ; CHECK-NEXT:    [[B1_SUB:%.*]] = getelementptr inbounds [124 x i8], [124 x i8]* [[B1]], i64 0, i64 0
 ; CHECK-NEXT:    [[B:%.*]] = addrspacecast i8* [[B1_SUB]] to i8 addrspace(1)*
-; CHECK-NEXT:    call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* noalias align 4 dereferenceable(124) [[B]], i8 addrspace(1)* noalias align 4 dereferenceable(124) addrspacecast (i8* getelementptr inbounds (%T, %T* @G, i64 0, i32 0) to i8 addrspace(1)*), i64 124, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* align 4 dereferenceable(124) [[B]], i8 addrspace(1)* align 4 dereferenceable(124) addrspacecast (i8* getelementptr inbounds (%T, %T* @G, i64 0, i32 0) to i8 addrspace(1)*), i64 124, i1 false)
 ; CHECK-NEXT:    call void @bar_as1(i8 addrspace(1)* [[B]])
 ; CHECK-NEXT:    ret void
 ;
@@ -234,7 +234,7 @@ define void @test8() {
 ; CHECK-LABEL: @test8(
 ; CHECK-NEXT:    [[AL:%.*]] = alloca [[U:%.*]], align 16
 ; CHECK-NEXT:    [[A:%.*]] = bitcast %U* [[AL]] to i8*
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nonnull align 16 dereferenceable(20) [[A]], i8* noalias align 4 dereferenceable(20) bitcast (%U* getelementptr inbounds ([2 x %U], [2 x %U]* @H, i64 0, i64 1) to i8*), i64 20, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 16 dereferenceable(20) [[A]], i8* align 4 dereferenceable(20) bitcast (%U* getelementptr inbounds ([2 x %U], [2 x %U]* @H, i64 0, i64 1) to i8*), i64 20, i1 false)
 ; CHECK-NEXT:    call void @bar(i8* nonnull [[A]]) #2
 ; CHECK-NEXT:    ret void
 ;
@@ -250,7 +250,7 @@ define void @test8_addrspacecast() {
 ; CHECK-LABEL: @test8_addrspacecast(
 ; CHECK-NEXT:    [[AL:%.*]] = alloca [[U:%.*]], align 16
 ; CHECK-NEXT:    [[A:%.*]] = bitcast %U* [[AL]] to i8*
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p1i8.i64(i8* noalias nonnull align 16 dereferenceable(20) [[A]], i8 addrspace(1)* noalias align 4 dereferenceable(20) addrspacecast (i8* bitcast (%U* getelementptr inbounds ([2 x %U], [2 x %U]* @H, i64 0, i64 1) to i8*) to i8 addrspace(1)*), i64 20, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p1i8.i64(i8* nonnull align 16 dereferenceable(20) [[A]], i8 addrspace(1)* align 4 dereferenceable(20) addrspacecast (i8* bitcast (%U* getelementptr inbounds ([2 x %U], [2 x %U]* @H, i64 0, i64 1) to i8*) to i8 addrspace(1)*), i64 20, i1 false)
 ; CHECK-NEXT:    call void @bar(i8* nonnull [[A]]) #2
 ; CHECK-NEXT:    ret void
 ;
@@ -294,8 +294,8 @@ define void @test9_small_global() {
 ; CHECK-NEXT:  entry:
 ; CHECK-NEXT:    [[CC:%.*]] = alloca [1000000 x i8], align 16
 ; CHECK-NEXT:    [[ARRAYDECAY:%.*]] = getelementptr inbounds [1000000 x i8], [1000000 x i8]* [[CC]], i64 0, i64 0
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nonnull align 16 dereferenceable(3) [[ARRAYDECAY]], i8* noalias align 16 dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @_ZL3KKK, i64 0, i64 0), i64 3, i1 false)
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias align 16 dereferenceable(1000000) getelementptr inbounds ([1000000 x i8], [1000000 x i8]* @bbb, i64 0, i64 0), i8* noalias nonnull align 16 dereferenceable(1000000) [[ARRAYDECAY]], i64 1000000, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 16 dereferenceable(3) [[ARRAYDECAY]], i8* align 16 dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @_ZL3KKK, i64 0, i64 0), i64 3, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 dereferenceable(1000000) getelementptr inbounds ([1000000 x i8], [1000000 x i8]* @bbb, i64 0, i64 0), i8* nonnull align 16 dereferenceable(1000000) [[ARRAYDECAY]], i64 1000000, i1 false)
 ; CHECK-NEXT:    ret void
 ;
 entry:
@@ -311,7 +311,7 @@ entry:
 define void @test10_same_global() {
 ; CHECK-LABEL: @test10_same_global(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias align 16 dereferenceable(3) getelementptr inbounds ([1000000 x i8], [1000000 x i8]* @bbb, i64 0, i64 0), i8* noalias align 16 dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @_ZL3KKK, i64 0, i64 0), i64 3, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 dereferenceable(3) getelementptr inbounds ([1000000 x i8], [1000000 x i8]* @bbb, i64 0, i64 0), i8* align 16 dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @_ZL3KKK, i64 0, i64 0), i64 3, i1 false)
 ; CHECK-NEXT:    ret void
 ;
 entry:

diff --git a/llvm/test/Transforms/InstCombine/memcpy-to-load.ll b/llvm/test/Transforms/InstCombine/memcpy-to-load.ll
index f8727cf..172c83d 100644 (file)
--- a/llvm/test/Transforms/InstCombine/memcpy-to-load.ll
+++ b/llvm/test/Transforms/InstCombine/memcpy-to-load.ll
@@ -34,7 +34,7 @@ define void @copy_2_bytes(i8* %d, i8* %s) {
 
 define void @copy_3_bytes(i8* %d, i8* %s) {
 ; ALL-LABEL: @copy_3_bytes(
-; ALL-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(3) [[D:%.*]], i8* noalias align 1 dereferenceable(3) [[S:%.*]], i32 3, i1 false)
+; ALL-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(3) [[D:%.*]], i8* align 1 dereferenceable(3) [[S:%.*]], i32 3, i1 false)
 ; ALL-NEXT:    ret void
 ;
   call void @llvm.memcpy.p0i8.p0i8.i32(i8* %d, i8* %s, i32 3, i1 false)
@@ -57,7 +57,7 @@ define void @copy_4_bytes(i8* %d, i8* %s) {
 
 define void @copy_5_bytes(i8* %d, i8* %s) {
 ; ALL-LABEL: @copy_5_bytes(
-; ALL-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(5) [[D:%.*]], i8* noalias align 1 dereferenceable(5) [[S:%.*]], i32 5, i1 false)
+; ALL-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(5) [[D:%.*]], i8* align 1 dereferenceable(5) [[S:%.*]], i32 5, i1 false)
 ; ALL-NEXT:    ret void
 ;
   call void @llvm.memcpy.p0i8.p0i8.i32(i8* %d, i8* %s, i32 5, i1 false)
@@ -78,7 +78,7 @@ define void @copy_8_bytes(i8* %d, i8* %s) {
 
 define void @copy_16_bytes(i8* %d, i8* %s) {
 ; ALL-LABEL: @copy_16_bytes(
-; ALL-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(16) [[D:%.*]], i8* noalias align 1 dereferenceable(16) [[S:%.*]], i32 16, i1 false)
+; ALL-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(16) [[D:%.*]], i8* align 1 dereferenceable(16) [[S:%.*]], i32 16, i1 false)
 ; ALL-NEXT:    ret void
 ;
   call void @llvm.memcpy.p0i8.p0i8.i32(i8* %d, i8* %s, i32 16, i1 false)

diff --git a/llvm/test/Transforms/InstCombine/memcpy.ll b/llvm/test/Transforms/InstCombine/memcpy.ll
index dc47114..18e0853 100644 (file)
--- a/llvm/test/Transforms/InstCombine/memcpy.ll
+++ b/llvm/test/Transforms/InstCombine/memcpy.ll
@@ -29,7 +29,7 @@ define void @test2(i8* %a) {
 
 define void @test3(i8* %d, i8* %s) {
 ; CHECK-LABEL: @test3(
-; CHECK-NEXT:    tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias align 4 dereferenceable(17179869184) [[D:%.*]], i8* noalias align 4 dereferenceable(17179869184) [[S:%.*]], i64 17179869184, i1 false)
+; CHECK-NEXT:    tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 dereferenceable(17179869184) [[D:%.*]], i8* align 4 dereferenceable(17179869184) [[S:%.*]], i64 17179869184, i1 false)
 ; CHECK-NEXT:    ret void
 ;
   tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %d, i8* align 4 %s, i64 17179869184, i1 false)

diff --git a/llvm/test/Transforms/InstCombine/memcpy_chk-1.ll b/llvm/test/Transforms/InstCombine/memcpy_chk-1.ll
index fdb9363..155bcb1 100644 (file)
--- a/llvm/test/Transforms/InstCombine/memcpy_chk-1.ll
+++ b/llvm/test/Transforms/InstCombine/memcpy_chk-1.ll
@@ -18,7 +18,7 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
 
 define i8* @test_simplify1() {
 ; CHECK-LABEL: @test_simplify1(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias align 4 dereferenceable(1824) bitcast (%struct.T1* @t1 to i8*), i8* noalias align 4 dereferenceable(1824) bitcast (%struct.T2* @t2 to i8*), i64 1824, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 dereferenceable(1824) bitcast (%struct.T1* @t1 to i8*), i8* align 4 dereferenceable(1824) bitcast (%struct.T2* @t2 to i8*), i64 1824, i1 false)
 ; CHECK-NEXT:    ret i8* bitcast (%struct.T1* @t1 to i8*)
 ;
   %dst = bitcast %struct.T1* @t1 to i8*
@@ -29,7 +29,7 @@ define i8* @test_simplify1() {
 
 define i8* @test_simplify2() {
 ; CHECK-LABEL: @test_simplify2(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias align 4 dereferenceable(1824) bitcast (%struct.T1* @t1 to i8*), i8* noalias align 4 dereferenceable(1824) bitcast (%struct.T3* @t3 to i8*), i64 1824, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 dereferenceable(1824) bitcast (%struct.T1* @t1 to i8*), i8* align 4 dereferenceable(1824) bitcast (%struct.T3* @t3 to i8*), i64 1824, i1 false)
 ; CHECK-NEXT:    ret i8* bitcast (%struct.T1* @t1 to i8*)
 ;
   %dst = bitcast %struct.T1* @t1 to i8*
@@ -65,7 +65,7 @@ define i8* @test_no_simplify2() {
 define i8* @test_simplify_return_indcall(i8* ()* %alloc) {
 ; CHECK-LABEL: @test_simplify_return_indcall(
 ; CHECK-NEXT:    [[DST:%.*]] = call i8* [[ALLOC:%.*]]()
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias align 1 dereferenceable(1824) [[DST]], i8* noalias align 4 dereferenceable(1824) bitcast (%struct.T2* @t2 to i8*), i64 1824, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 dereferenceable(1824) [[DST]], i8* align 4 dereferenceable(1824) bitcast (%struct.T2* @t2 to i8*), i64 1824, i1 false)
 ; CHECK-NEXT:    ret i8* [[DST]]
 ;
   %src = bitcast %struct.T2* @t2 to i8*

diff --git a/llvm/test/Transforms/InstCombine/memmove.ll b/llvm/test/Transforms/InstCombine/memmove.ll
index c69086f..c5ad787 100644 (file)
--- a/llvm/test/Transforms/InstCombine/memmove.ll
+++ b/llvm/test/Transforms/InstCombine/memmove.ll
@@ -19,7 +19,7 @@ define void @test1(i8* %A, i8* %B, i32 %N) {
 define void @test2(i8* %A, i32 %N) {
   ;; dest can't alias source since we can't write to source!
 ; CHECK-LABEL: @test2(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 [[A:%.*]], i8* noalias align 16 getelementptr inbounds ([33 x i8], [33 x i8]* @S, i64 0, i64 0), i32 [[N:%.*]], i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A:%.*]], i8* align 16 getelementptr inbounds ([33 x i8], [33 x i8]* @S, i64 0, i64 0), i32 [[N:%.*]], i1 false)
 ; CHECK-NEXT:    ret void
 ;
   call void @llvm.memmove.p0i8.p0i8.i32(i8* %A, i8* getelementptr inbounds ([33 x i8], [33 x i8]* @S, i32 0, i32 0), i32 %N, i1 false)

diff --git a/llvm/test/Transforms/InstCombine/objsize.ll b/llvm/test/Transforms/InstCombine/objsize.ll
index 6126b41..327b31a 100644 (file)
--- a/llvm/test/Transforms/InstCombine/objsize.ll
+++ b/llvm/test/Transforms/InstCombine/objsize.ll
@@ -163,7 +163,7 @@ define i8* @test5(i32 %n) nounwind ssp {
 ; CHECK-NEXT:  entry:
 ; CHECK-NEXT:    [[TMP0:%.*]] = tail call noalias i8* @malloc(i32 20) #0
 ; CHECK-NEXT:    [[TMP1:%.*]] = load i8*, i8** @s, align 8
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(10) [[TMP0]], i8* noalias align 1 dereferenceable(10) [[TMP1]], i32 10, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(10) [[TMP0]], i8* align 1 dereferenceable(10) [[TMP1]], i32 10, i1 false)
 ; CHECK-NEXT:    ret i8* [[TMP0]]
 ;
 entry:

diff --git a/llvm/test/Transforms/InstCombine/sprintf-1.ll b/llvm/test/Transforms/InstCombine/sprintf-1.ll
index 9bb284f..12957b3 100644 (file)
--- a/llvm/test/Transforms/InstCombine/sprintf-1.ll
+++ b/llvm/test/Transforms/InstCombine/sprintf-1.ll
@@ -21,11 +21,11 @@ declare i32 @sprintf(i8*, i8*, ...)
 
 define void @test_simplify1(i8* %dst) {
 ; CHECK-LABEL: @test_simplify1(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(13) [[DST:%.*]], i8* noalias align 1 dereferenceable(13) getelementptr inbounds ([13 x i8], [13 x i8]* @hello_world, i32 0, i32 0), i32 13, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(13) [[DST:%.*]], i8* align 1 dereferenceable(13) getelementptr inbounds ([13 x i8], [13 x i8]* @hello_world, i32 0, i32 0), i32 13, i1 false)
 ; CHECK-NEXT:    ret void
 ;
 ; CHECK-IPRINTF-LABEL: @test_simplify1(
-; CHECK-IPRINTF-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(13) [[DST:%.*]], i8* noalias align 1 dereferenceable(13) getelementptr inbounds ([13 x i8], [13 x i8]* @hello_world, i32 0, i32 0), i32 13, i1 false)
+; CHECK-IPRINTF-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(13) [[DST:%.*]], i8* align 1 dereferenceable(13) getelementptr inbounds ([13 x i8], [13 x i8]* @hello_world, i32 0, i32 0), i32 13, i1 false)
 ; CHECK-IPRINTF-NEXT:    ret void
 ;
   %fmt = getelementptr [13 x i8], [13 x i8]* @hello_world, i32 0, i32 0
@@ -87,13 +87,13 @@ define void @test_simplify5(i8* %dst, i8* %str) {
 ; CHECK-LABEL: @test_simplify5(
 ; CHECK-NEXT:    [[STRLEN:%.*]] = call i32 @strlen(i8* [[STR:%.*]])
 ; CHECK-NEXT:    [[LENINC:%.*]] = add i32 [[STRLEN]], 1
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 [[DST:%.*]], i8* noalias align 1 [[STR]], i32 [[LENINC]], i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[DST:%.*]], i8* align 1 [[STR]], i32 [[LENINC]], i1 false)
 ; CHECK-NEXT:    ret void
 ;
 ; CHECK-IPRINTF-LABEL: @test_simplify5(
 ; CHECK-IPRINTF-NEXT:    [[STRLEN:%.*]] = call i32 @strlen(i8* [[STR:%.*]])
 ; CHECK-IPRINTF-NEXT:    [[LENINC:%.*]] = add i32 [[STRLEN]], 1
-; CHECK-IPRINTF-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 [[DST:%.*]], i8* noalias align 1 [[STR]], i32 [[LENINC]], i1 false)
+; CHECK-IPRINTF-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[DST:%.*]], i8* align 1 [[STR]], i32 [[LENINC]], i1 false)
 ; CHECK-IPRINTF-NEXT:    ret void
 ;
   %fmt = getelementptr [3 x i8], [3 x i8]* @percent_s, i32 0, i32 0

diff --git a/llvm/test/Transforms/InstCombine/stpcpy-1.ll b/llvm/test/Transforms/InstCombine/stpcpy-1.ll
index cc82899..c0aad56 100644 (file)
--- a/llvm/test/Transforms/InstCombine/stpcpy-1.ll
+++ b/llvm/test/Transforms/InstCombine/stpcpy-1.ll
@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; Test that the stpcpy library call simplifier works correctly.
 ; RUN: opt < %s -instcombine -S | FileCheck %s
 ;
@@ -13,34 +14,39 @@ declare i8* @stpcpy(i8*, i8*)
 
 define i8* @test_simplify1() {
 ; CHECK-LABEL: @test_simplify1(
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(6) getelementptr inbounds ([32 x i8], [32 x i8]* @a, i32 0, i32 0), i8* align 1 dereferenceable(6) getelementptr inbounds ([6 x i8], [6 x i8]* @hello, i32 0, i32 0), i32 6, i1 false)
+; CHECK-NEXT:    ret i8* getelementptr inbounds ([32 x i8], [32 x i8]* @a, i32 0, i32 5)
+;
 
   %dst = getelementptr [32 x i8], [32 x i8]* @a, i32 0, i32 0
   %src = getelementptr [6 x i8], [6 x i8]* @hello, i32 0, i32 0
 
   %ret = call i8* @stpcpy(i8* %dst, i8* %src)
-; CHECK: @llvm.memcpy.p0i8.p0i8.i32
-; CHECK-NEXT: getelementptr inbounds ([32 x i8], [32 x i8]* @a, i32 0, i32 5)
   ret i8* %ret
 }
 
 define i8* @test_simplify2() {
 ; CHECK-LABEL: @test_simplify2(
+; CHECK-NEXT:    [[STRLEN:%.*]] = call i32 @strlen(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @a, i32 0, i32 0))
+; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds [32 x i8], [32 x i8]* @a, i32 0, i32 [[STRLEN]]
+; CHECK-NEXT:    ret i8* [[TMP1]]
+;
 
   %dst = getelementptr [32 x i8], [32 x i8]* @a, i32 0, i32 0
 
   %ret = call i8* @stpcpy(i8* %dst, i8* %dst)
-; CHECK: [[LEN:%[a-z]+]] = call i32 @strlen
-; CHECK-NEXT: getelementptr inbounds [32 x i8], [32 x i8]* @a, i32 0, i32 [[LEN]]
   ret i8* %ret
 }
 
 define i8* @test_no_simplify1() {
 ; CHECK-LABEL: @test_no_simplify1(
+; CHECK-NEXT:    [[RET:%.*]] = call i8* @stpcpy(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @a, i32 0, i32 0), i8* getelementptr inbounds ([32 x i8], [32 x i8]* @b, i32 0, i32 0))
+; CHECK-NEXT:    ret i8* [[RET]]
+;
 
   %dst = getelementptr [32 x i8], [32 x i8]* @a, i32 0, i32 0
   %src = getelementptr [32 x i8], [32 x i8]* @b, i32 0, i32 0
 
   %ret = call i8* @stpcpy(i8* %dst, i8* %src)
-; CHECK: call i8* @stpcpy
   ret i8* %ret
 }

diff --git a/llvm/test/Transforms/InstCombine/stpcpy_chk-1.ll b/llvm/test/Transforms/InstCombine/stpcpy_chk-1.ll
index ec39475..b2f1f6a 100644 (file)
--- a/llvm/test/Transforms/InstCombine/stpcpy_chk-1.ll
+++ b/llvm/test/Transforms/InstCombine/stpcpy_chk-1.ll
@@ -14,7 +14,7 @@ target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f3
 
 define i8* @test_simplify1() {
 ; CHECK-LABEL: @test_simplify1(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
 ; CHECK-NEXT:    ret i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 11)
 ;
   %dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
@@ -26,7 +26,7 @@ define i8* @test_simplify1() {
 
 define i8* @test_simplify2() {
 ; CHECK-LABEL: @test_simplify2(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
 ; CHECK-NEXT:    ret i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 11)
 ;
   %dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
@@ -38,7 +38,7 @@ define i8* @test_simplify2() {
 
 define i8* @test_simplify3() {
 ; CHECK-LABEL: @test_simplify3(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
 ; CHECK-NEXT:    ret i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 11)
 ;
   %dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0

diff --git a/llvm/test/Transforms/InstCombine/strcpy_chk-1.ll b/llvm/test/Transforms/InstCombine/strcpy_chk-1.ll
index 6dd1263..292591f 100644 (file)
--- a/llvm/test/Transforms/InstCombine/strcpy_chk-1.ll
+++ b/llvm/test/Transforms/InstCombine/strcpy_chk-1.ll
@@ -14,7 +14,7 @@ target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f3
 
 define i8* @test_simplify1() {
 ; CHECK-LABEL: @test_simplify1(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
 ; CHECK-NEXT:    ret i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0)
 ;
   %dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
@@ -26,7 +26,7 @@ define i8* @test_simplify1() {
 
 define i8* @test_simplify2() {
 ; CHECK-LABEL: @test_simplify2(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
 ; CHECK-NEXT:    ret i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0)
 ;
   %dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
@@ -38,7 +38,7 @@ define i8* @test_simplify2() {
 
 define i8* @test_simplify3() {
 ; CHECK-LABEL: @test_simplify3(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
 ; CHECK-NEXT:    ret i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0)
 ;
   %dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
@@ -52,7 +52,7 @@ define i8* @test_simplify3() {
 
 define i8* @test_simplify4() {
 ; CHECK-LABEL: @test_simplify4(
-; CHECK-NEXT:    [[STRCPY:%.*]] = call i8* @strcpy(i8* noalias getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* noalias getelementptr inbounds ([60 x i8], [60 x i8]* @b, i32 0, i32 0))
+; CHECK-NEXT:    [[STRCPY:%.*]] = call i8* @strcpy(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i32 0, i32 0))
 ; CHECK-NEXT:    ret i8* [[STRCPY]]
 ;
   %dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0

diff --git a/llvm/test/Transforms/InstCombine/strncpy_chk-1.ll b/llvm/test/Transforms/InstCombine/strncpy_chk-1.ll
index 9d5e148..6f7b041 100644 (file)
--- a/llvm/test/Transforms/InstCombine/strncpy_chk-1.ll
+++ b/llvm/test/Transforms/InstCombine/strncpy_chk-1.ll
@@ -14,7 +14,7 @@ target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f3
 
 define i8* @test_simplify1() {
 ; CHECK-LABEL: @test_simplify1(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
 ; CHECK-NEXT:    ret i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0)
 ;
   %dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
@@ -26,7 +26,7 @@ define i8* @test_simplify1() {
 
 define i8* @test_simplify2() {
 ; CHECK-LABEL: @test_simplify2(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* noalias align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 dereferenceable(12) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* align 1 dereferenceable(12) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i32 0, i32 0), i32 12, i1 false)
 ; CHECK-NEXT:    ret i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0)
 ;
   %dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
@@ -38,7 +38,7 @@ define i8* @test_simplify2() {
 
 define i8* @test_simplify3() {
 ; CHECK-LABEL: @test_simplify3(
-; CHECK-NEXT:    [[STRNCPY:%.*]] = call i8* @strncpy(i8* noalias getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* noalias getelementptr inbounds ([60 x i8], [60 x i8]* @b, i32 0, i32 0), i32 12)
+; CHECK-NEXT:    [[STRNCPY:%.*]] = call i8* @strncpy(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i32 0, i32 0), i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i32 0, i32 0), i32 12)
 ; CHECK-NEXT:    ret i8* [[STRNCPY]]
 ;
   %dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0

diff --git a/llvm/test/Transforms/MemCpyOpt/memcpy-to-memset-with-lifetimes.ll b/llvm/test/Transforms/MemCpyOpt/memcpy-to-memset-with-lifetimes.ll
index 4d0b120..ee2f6ad 100644 (file)
--- a/llvm/test/Transforms/MemCpyOpt/memcpy-to-memset-with-lifetimes.ll
+++ b/llvm/test/Transforms/MemCpyOpt/memcpy-to-memset-with-lifetimes.ll
@@ -34,7 +34,7 @@ define void @bar([8 x i64]* noalias nocapture sret dereferenceable(64) %sret, [8
 ; CHECK-NEXT:    call void @llvm.memset.p0i8.i64(i8* nonnull align 8 dereferenceable(64) [[SRET_CAST]], i8 0, i64 64, i1 false)
 ; CHECK-NEXT:    call void @llvm.memset.p0i8.i64(i8* nonnull align 8 dereferenceable(32) [[A_CAST]], i8 42, i64 32, i1 false)
 ; CHECK-NEXT:    [[OUT_CAST:%.*]] = bitcast [8 x i64]* [[OUT:%.*]] to i8*
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nonnull align 8 dereferenceable(64) [[OUT_CAST]], i8* noalias nonnull align 8 dereferenceable(64) [[A_CAST]], i64 64, i1 false)
+; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 dereferenceable(64) [[OUT_CAST]], i8* nonnull align 8 dereferenceable(64) [[A_CAST]], i64 64, i1 false)
 ; CHECK-NEXT:    call void @llvm.lifetime.end.p0i8(i64 64, i8* nonnull [[A_CAST]])
 ; CHECK-NEXT:    ret void
 ;