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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 | 980d7200c10468670d8da5dbb76de9d74eced59a (patch) | |
| tree | 461dd828674788658139d6c1615f9234a22d3663 /llvm/test/CodeGen/X86/darwin-bzero.ll | |
| parent | 5e4e051c2ad770a0fbdfbf47cd50da8a732cadf4 (diff) | |
| download | bcm5719-llvm-980d7200c10468670d8da5dbb76de9d74eced59a.tar.gz bcm5719-llvm-980d7200c10468670d8da5dbb76de9d74eced59a.zip | |
Speculatively micro-optimize memory-zeroing calls on Darwin 10.
llvm-svn: 49048
Diffstat (limited to 'llvm/test/CodeGen/X86/darwin-bzero.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/darwin-bzero.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/darwin-bzero.ll b/llvm/test/CodeGen/X86/darwin-bzero.ll new file mode 100644 index 00000000000..c292140e108 --- /dev/null +++ b/llvm/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 +} |
