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[X86] Add shuffle test case for Issue #86068

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This commit is contained in:
Simon Pilgrim 2024-03-21 17:52:53 +00:00
parent e84a985cbf
commit 3218570620
1 changed files with 25 additions and 0 deletions
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25
llvm/test/CodeGen/X86/oddshuffles.ll
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@ -2369,6 +2369,31 @@ define void @PR41097() {
ret void
}
; FIXME - should use INSERTPS
define <2 x float> @PR86068(<2 x float> %0, <2 x float> %1) {
; SSE2-LABEL: PR86068:
; SSE2: # %bb.0: # %entry
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,1],xmm1[1,1]
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[1,1]
; SSE2-NEXT: retq
;
; SSE42-LABEL: PR86068:
; SSE42: # %bb.0: # %entry
; SSE42-NEXT: movshdup {{.*#+}} xmm1 = xmm1[1,1,3,3]
; SSE42-NEXT: blendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; SSE42-NEXT: retq
;
; AVX-LABEL: PR86068:
; AVX: # %bb.0: # %entry
; AVX-NEXT: vmovshdup {{.*#+}} xmm1 = xmm1[1,1,3,3]
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; AVX-NEXT: retq
entry:
%3 = shufflevector <2 x float> %1, <2 x float> poison, <2 x i32> <i32 1, i32 poison>
%4 = shufflevector <2 x float> %3, <2 x float> %0, <2 x i32> <i32 0, i32 3>
ret <2 x float> %4
}
define void @D107009(ptr %input, ptr %output) {
; SSE-LABEL: D107009:
; SSE: # %bb.0: