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| author | Evan Cheng <evan.cheng@apple.com> | 2011-01-07 19:35:30 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2011-01-07 19:35:30 +0000 |
| commit | a5e1362f968568d66d76ddcdcff4ab98e203a48c (patch) | |
| tree | 53e266c315432b49be8ad6f3a2d2a5873265ab53 /test/CodeGen/X86/memset-2.ll | |
| parent | 1434f66b2e132a707e2c8ccb3350ea13fb5aa051 (diff) | |
| download | llvm-a5e1362f968568d66d76ddcdcff4ab98e203a48c.tar.gz llvm-a5e1362f968568d66d76ddcdcff4ab98e203a48c.tar.bz2 llvm-a5e1362f968568d66d76ddcdcff4ab98e203a48c.tar.xz | |
Revert r122955. It seems using movups to lower memcpy can cause massive regression (even on Nehalem) in edge cases. I also didn't see any real performance benefit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123015 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/memset-2.ll')
| -rw-r--r-- | test/CodeGen/X86/memset-2.ll | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/test/CodeGen/X86/memset-2.ll b/test/CodeGen/X86/memset-2.ll index 128799d0f5..993583b4a4 100644 --- a/test/CodeGen/X86/memset-2.ll +++ b/test/CodeGen/X86/memset-2.ll @@ -5,21 +5,7 @@ declare void @llvm.memset.i32(i8*, i8, i32, i32) nounwind define fastcc void @t1() nounwind { entry: ; CHECK: t1: -; CHECK: pxor %xmm0, %xmm0 -; CHECK: movups %xmm0, 160 -; CHECK: movups %xmm0, 144 -; CHECK: movups %xmm0, 128 -; CHECK: movups %xmm0, 112 -; CHECK: movups %xmm0, 96 -; CHECK: movups %xmm0, 80 -; CHECK: movups %xmm0, 64 -; CHECK: movups %xmm0, 48 -; CHECK: movups %xmm0, 32 -; CHECK: movups %xmm0, 16 -; CHECK: movups %xmm0, 0 -; CHECK: movl $0, 184 -; CHECK: movl $0, 180 -; CHECK: movl $0, 176 +; CHECK: calll _memset call void @llvm.memset.i32( i8* null, i8 0, i32 188, i32 1 ) nounwind unreachable } |