From f77b5ef3d054a78bc8ab3a61742112eb7faea1f4 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Sat, 5 Apr 2008 00:30:36 +0000 Subject: Favors pshufd over shufps when shuffling elements from one vector. pshufd is faster than shufps. llvm-svn: 49244 --- llvm/test/CodeGen/X86/vec_splat.ll | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'llvm/test/CodeGen/X86/vec_splat.ll') 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] -- cgit v1.2.3