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| author | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 17:57:32 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 17:57:32 +0000 |
| commit | cd749a9c07f1de2fb8affde90537efa4bc3e7c54 (patch) | |
| tree | b21f6de4e08b89bb7931806bab798fc2a5e3a686 /test/Transforms/MemCpyOpt/align.ll | |
| parent | 72621d11de5b873f1695f391eb95f0b336c3d2d4 (diff) | |
| download | FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.zip FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.tar.gz | |
Update llvm to r84119.
Diffstat (limited to 'test/Transforms/MemCpyOpt/align.ll')
| -rw-r--r-- | test/Transforms/MemCpyOpt/align.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Transforms/MemCpyOpt/align.ll b/test/Transforms/MemCpyOpt/align.ll new file mode 100644 index 0000000..a9d0337 --- /dev/null +++ b/test/Transforms/MemCpyOpt/align.ll @@ -0,0 +1,18 @@ +; RUN: opt < %s -S -memcpyopt | FileCheck %s + +; The resulting memset is only 4-byte aligned, despite containing +; a 16-byte alignmed store in the middle. + +; CHECK: call void @llvm.memset.i64(i8* %a01, i8 0, i64 16, i32 4) + +define void @foo(i32* %p) { + %a0 = getelementptr i32* %p, i64 0 + store i32 0, i32* %a0, align 4 + %a1 = getelementptr i32* %p, i64 1 + store i32 0, i32* %a1, align 16 + %a2 = getelementptr i32* %p, i64 2 + store i32 0, i32* %a2, align 4 + %a3 = getelementptr i32* %p, i64 3 + store i32 0, i32* %a3, align 4 + ret void +} |
