blob: 7562f1d89594ec5912079fabf41fc40768f0ab3a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
; RUN: llc < %s -march=x86 -mattr=+sse2 | grep punpck
define i32 @t() nounwind optsize {
entry:
%a = alloca <4 x i32> ; <<4 x i32>*> [#uses=2]
%b = alloca <4 x i32> ; <<4 x i32>*> [#uses=5]
volatile store <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
}
|
