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| author | Evan Cheng <evan.cheng@apple.com> | 2008-04-05 00:30:36 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-04-05 00:30:36 +0000 |
| commit | f77b5ef3d054a78bc8ab3a61742112eb7faea1f4 (patch) | |
| tree | d282cabee197e54a06877477d9bbda5fcdd65b5e /llvm/test/CodeGen/X86/vec_splat.ll | |
| parent | 0ce4a7cc4440f1f66d91ad61057790eb196f2e4a (diff) | |
| download | bcm5719-llvm-f77b5ef3d054a78bc8ab3a61742112eb7faea1f4.tar.gz bcm5719-llvm-f77b5ef3d054a78bc8ab3a61742112eb7faea1f4.zip | |
Favors pshufd over shufps when shuffling elements from one vector. pshufd is faster than shufps.
llvm-svn: 49244
Diffstat (limited to 'llvm/test/CodeGen/X86/vec_splat.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/vec_splat.ll | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/test/CodeGen/X86/vec_splat.ll b/llvm/test/CodeGen/X86/vec_splat.ll index c6100ecd094..64222e40ff2 100644 --- a/llvm/test/CodeGen/X86/vec_splat.ll +++ b/llvm/test/CodeGen/X86/vec_splat.ll @@ -1,7 +1,7 @@ -; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep shufps +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep pshufd ; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse3 | grep movddup -define void @test_v4sf(<4 x float>* %P, <4 x float>* %Q, float %X) { +define void @test_v4sf(<4 x float>* %P, <4 x float>* %Q, float %X) nounwind { %tmp = insertelement <4 x float> zeroinitializer, float %X, i32 0 ; <<4 x float>> [#uses=1] %tmp2 = insertelement <4 x float> %tmp, float %X, i32 1 ; <<4 x float>> [#uses=1] %tmp4 = insertelement <4 x float> %tmp2, float %X, i32 2 ; <<4 x float>> [#uses=1] @@ -12,7 +12,7 @@ define void @test_v4sf(<4 x float>* %P, <4 x float>* %Q, float %X) { ret void } -define void @test_v2sd(<2 x double>* %P, <2 x double>* %Q, double %X) { +define void @test_v2sd(<2 x double>* %P, <2 x double>* %Q, double %X) nounwind { %tmp = insertelement <2 x double> zeroinitializer, double %X, i32 0 ; <<2 x double>> [#uses=1] %tmp2 = insertelement <2 x double> %tmp, double %X, i32 1 ; <<2 x double>> [#uses=1] %tmp4 = load <2 x double>* %Q ; <<2 x double>> [#uses=1] |
