1 ; RUN: llc < %s -march=x86 -mattr=+sse2 | grep punpck
3 define i32 @t() nounwind optsize {
5 %a = alloca <4 x i32> ; <<4 x i32>*> [#uses=2]
6 %b = alloca <4 x i32> ; <<4 x i32>*> [#uses=5]
7 volatile store <4 x i32> < i32 0, i32 1, i32 2, i32 3 >, <4 x i32>* %a
8 %tmp = load <4 x i32>* %a ; <<4 x i32>> [#uses=1]
9 store <4 x i32> %tmp, <4 x i32>* %b
10 %tmp1 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1]
11 %tmp2 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1]
12 %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]
13 store <4 x i32> %punpckldq, <4 x i32>* %b
14 %tmp3 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1]
15 %result = extractelement <4 x i32> %tmp3, i32 0 ; <i32> [#uses=1]