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[X86][AVX] Added test case for PR22359

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llvm-svn: 261444
This commit is contained in:
Simon Pilgrim 2016-02-20 19:21:20 +00:00
parent 57bd7dee35
commit 53573a7c1b
1 changed files with 23 additions and 0 deletions
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23
test/CodeGen/X86/vector-shuffle-combining.ll
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@ -1798,6 +1798,29 @@ define <8 x float> @combine_test22(<2 x float>* %a, <2 x float>* %b) {
ret <8 x float> %3
}
; PR22359
define void @combine_test23(<8 x float> %v, <2 x float>* %ptr) {
; SSE-LABEL: combine_test23:
; SSE: # BB#0:
; SSE-NEXT: movups %xmm0, (%rdi)
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test23:
; AVX: # BB#0:
; AVX-NEXT: vpermilpd {{.*#+}} xmm1 = xmm0[1,0]
; AVX-NEXT: vinsertps {{.*#+}} xmm1 = xmm0[0,1],xmm1[0],xmm0[3]
; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[3]
; AVX-NEXT: vmovups %xmm0, (%rdi)
; AVX-NEXT: vzeroupper
; AVX-NEXT: retq
%idx2 = getelementptr inbounds <2 x float>, <2 x float>* %ptr, i64 1
%shuffle0 = shufflevector <8 x float> %v, <8 x float> undef, <2 x i32> <i32 0, i32 1>
%shuffle1 = shufflevector <8 x float> %v, <8 x float> undef, <2 x i32> <i32 2, i32 3>
store <2 x float> %shuffle0, <2 x float>* %ptr, align 8
store <2 x float> %shuffle1, <2 x float>* %idx2, align 8
ret void
}
; Check some negative cases.
; FIXME: Do any of these really make sense? Are they redundant with the above tests?