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| author | Dan Gohman <gohman@apple.com> | 2008-04-01 20:38:36 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-04-01 20:38:36 +0000 |
| commit | f95c2bf7047933b9555df6c4e7d10f9d56f8ef51 (patch) | |
| tree | 86b517d4f8bae9d4fc95579d1da720e78cf78270 /test | |
| parent | 748a85ca991f61e8e097c6f42d721009b2f61936 (diff) | |
| download | external_llvm-f95c2bf7047933b9555df6c4e7d10f9d56f8ef51.zip external_llvm-f95c2bf7047933b9555df6c4e7d10f9d56f8ef51.tar.gz external_llvm-f95c2bf7047933b9555df6c4e7d10f9d56f8ef51.tar.bz2 | |
Speculatively micro-optimize memory-zeroing calls on Darwin 10.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49048 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/darwin-bzero.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/CodeGen/X86/darwin-bzero.ll b/test/CodeGen/X86/darwin-bzero.ll new file mode 100644 index 0000000..c292140 --- /dev/null +++ b/test/CodeGen/X86/darwin-bzero.ll @@ -0,0 +1,8 @@ +; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin10 | grep __bzero + +declare void @llvm.memset.i32(i8*, i8, i32, i32) + +define void @foo(i8* %p, i32 %len) { + call void @llvm.memset.i32(i8* %p, i8 0, i32 %len, i32 1); + ret void +} |