diff options
Diffstat (limited to 'test/Transforms/InstCombine/stack-overalign.ll')
| -rw-r--r-- | test/Transforms/InstCombine/stack-overalign.ll | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/test/Transforms/InstCombine/stack-overalign.ll b/test/Transforms/InstCombine/stack-overalign.ll index a8f086e6cb9..c7d9d5126b1 100644 --- a/test/Transforms/InstCombine/stack-overalign.ll +++ b/test/Transforms/InstCombine/stack-overalign.ll @@ -1,4 +1,4 @@ -; RUN: opt < %s -instcombine -S | grep "align 32" | count 1 +; RUN: opt < %s -instcombine -S | FileCheck %s ; It's tempting to have an instcombine in which the src pointer of a ; memcpy is aligned up to the alignment of the destination, however @@ -15,15 +15,20 @@ @dst = global [1024 x i8] zeroinitializer, align 32 +; Make sure the dest gets the align 32 from the global +; CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 32 +; But that the source continues to not have an alignment set. +; CHECK: i8* %src1 + define void @foo() nounwind { entry: %src = alloca [1024 x i8], align 1 %src1 = getelementptr [1024 x i8], [1024 x i8]* %src, i32 0, i32 0 - call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dst, i32 0, i32 0), i8* %src1, i32 1024, i32 1, i1 false) + call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dst, i32 0, i32 0), i8* %src1, i32 1024, i1 false) call void @frob(i8* %src1) nounwind ret void } declare void @frob(i8*) -declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind +declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i1) nounwind |