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| author | Nadav Rotem <nadav.rotem@intel.com> | 2012-01-02 08:05:46 +0000 |
|---|---|---|
| committer | Nadav Rotem <nadav.rotem@intel.com> | 2012-01-02 08:05:46 +0000 |
| commit | a46f35d3d65425af5eaaaf906fca240a33d6c362 (patch) | |
| tree | cbe1de0c9521b4a7bef38d6733365f4c72ab619b /test/CodeGen/X86/sse2-blend.ll | |
| parent | 47f79bb58e42f1a08a7f388b8b1596ded7d49bbb (diff) | |
| download | external_llvm-a46f35d3d65425af5eaaaf906fca240a33d6c362.zip external_llvm-a46f35d3d65425af5eaaaf906fca240a33d6c362.tar.gz external_llvm-a46f35d3d65425af5eaaaf906fca240a33d6c362.tar.bz2 | |
Optimize the sequence blend(sign_extend(x)) to blend(shl(x)) since SSE blend instructions only look at the highest bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147426 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/sse2-blend.ll')
| -rw-r--r-- | test/CodeGen/X86/sse2-blend.ll | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/test/CodeGen/X86/sse2-blend.ll b/test/CodeGen/X86/sse2-blend.ll index 2f4317b..c6602d3 100644 --- a/test/CodeGen/X86/sse2-blend.ll +++ b/test/CodeGen/X86/sse2-blend.ll @@ -28,10 +28,10 @@ define void@vsel_i32(<4 x i32>* %v1, <4 x i32>* %v2) { ; Without forcing instructions, fall back to the preferred PS domain. ; CHECK: vsel_i64 -; CHECK: xorps -; CHECK: andps -; CHECK: andnps -; CHECK: orps +; CHECK: pxor +; CHECK: and +; CHECK: andn +; CHECK: or ; CHECK: ret define void@vsel_i64(<4 x i64>* %v1, <4 x i64>* %v2) { @@ -44,10 +44,10 @@ define void@vsel_i64(<4 x i64>* %v1, <4 x i64>* %v2) { ; Without forcing instructions, fall back to the preferred PS domain. ; CHECK: vsel_double -; CHECK: xorps -; CHECK: andps -; CHECK: andnps -; CHECK: orps +; CHECK: xor +; CHECK: and +; CHECK: andn +; CHECK: or ; CHECK: ret define void@vsel_double(<4 x double>* %v1, <4 x double>* %v2) { |