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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 | 68d599df37218452acd5a680d5360d3caaa1623c (patch) | |
| tree | 86b517d4f8bae9d4fc95579d1da720e78cf78270 /test/CodeGen/X86/darwin-bzero.ll | |
| parent | b6d5b1439047609c050576f3dc52b722e76bd30b (diff) | |
| download | llvm-68d599df37218452acd5a680d5360d3caaa1623c.tar.gz llvm-68d599df37218452acd5a680d5360d3caaa1623c.tar.bz2 llvm-68d599df37218452acd5a680d5360d3caaa1623c.tar.xz | |
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/CodeGen/X86/darwin-bzero.ll')
| -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 0000000000..c292140e10 --- /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 +} |