| ; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s |
| |
| define i32 @t() nounwind optsize { |
| entry: |
| ; CHECK: punpckldq |
| %a = alloca <4 x i32> ; <<4 x i32>*> [#uses=2] |
| %b = alloca <4 x i32> ; <<4 x i32>*> [#uses=5] |
| store volatile <4 x i32> < i32 0, i32 1, i32 2, i32 3 >, <4 x i32>* %a |
| %tmp = load <4 x i32>* %a ; <<4 x i32>> [#uses=1] |
| store <4 x i32> %tmp, <4 x i32>* %b |
| %tmp1 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1] |
| %tmp2 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1] |
| %punpckldq = shufflevector <4 x i32> %tmp1, <4 x i32> %tmp2, <4 x i32> < i32 0, i32 4, i32 1, i32 5 > ; <<4 x i32>> [#uses=1] |
| store <4 x i32> %punpckldq, <4 x i32>* %b |
| %tmp3 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1] |
| %result = extractelement <4 x i32> %tmp3, i32 0 ; <i32> [#uses=1] |
| ret i32 %result |
| } |
