| Dan Gohman | 0a06310 | 2009-09-08 23:54:48 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86 -mattr=+sse2 | not grep punpck |
| 2 | ; RUN: llc < %s -march=x86 -mattr=+sse2 | grep pshufd |
| Evan Cheng | 13559d6 | 2008-09-26 23:41:32 +0000 | [diff] [blame] | 3 | |
| 4 | define i32 @t() nounwind { |
| 5 | entry: |
| 6 | %a = alloca <4 x i32> ; <<4 x i32>*> [#uses=2] |
| 7 | %b = alloca <4 x i32> ; <<4 x i32>*> [#uses=5] |
| 8 | volatile store <4 x i32> < i32 0, i32 1, i32 2, i32 3 >, <4 x i32>* %a |
| 9 | %tmp = load <4 x i32>* %a ; <<4 x i32>> [#uses=1] |
| 10 | store <4 x i32> %tmp, <4 x i32>* %b |
| 11 | %tmp1 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1] |
| 12 | %tmp2 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1] |
| 13 | %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] |
| 14 | store <4 x i32> %punpckldq, <4 x i32>* %b |
| 15 | %tmp3 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1] |
| 16 | %result = extractelement <4 x i32> %tmp3, i32 0 ; <i32> [#uses=1] |
| 17 | ret i32 %result |
| 18 | } |