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[X86][SSE] Add PR40340 test case

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llvm-svn: 351430
This commit is contained in:
Simon Pilgrim 2019-01-17 11:20:23 +00:00
parent 91155d4067
commit f7ba65d569
1 changed files with 19 additions and 0 deletions
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19
test/CodeGen/X86/insertps-combine.ll
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@ -298,4 +298,23 @@ define float @extract_lane_insertps_6123(<4 x float> %a0, <4 x float> *%p1) {
ret float %ext
}
; PR40340
define <4 x float> @commute_load_insertps(<4 x float>, <4 x float>* nocapture readonly) {
; SSE-LABEL: commute_load_insertps:
; SSE: # %bb.0:
; SSE-NEXT: movaps (%rdi), %xmm1
; SSE-NEXT: insertps {{.*#+}} xmm1 = zero,xmm0[1],zero,xmm1[3]
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: commute_load_insertps:
; AVX: # %bb.0:
; AVX-NEXT: vmovaps (%rdi), %xmm1
; AVX-NEXT: vinsertps {{.*#+}} xmm0 = zero,xmm0[1],zero,xmm1[3]
; AVX-NEXT: retq
%3 = load <4 x float>, <4 x float>* %1
%4 = tail call <4 x float> @llvm.x86.sse41.insertps(<4 x float> %3, <4 x float> %0, i8 85)
ret <4 x float> %4
}
declare <4 x float> @llvm.x86.sse41.insertps(<4 x float>, <4 x float>, i8) nounwind readnone