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[X86][SSE] Add nonuniform constant vector test for PR42105 

llvm-svn: 362697
This commit is contained in:
Simon Pilgrim 2019-06-06 11:15:36 +00:00
parent 8c2c072582
commit dc8affe607
1 changed files with 13 additions and 1 deletions
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14
llvm/test/CodeGen/X86/fp-fold.ll
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@ -99,7 +99,7 @@ define float @fsub_neg_y(float %x, float %y) {
ret float %r
}
define <4 x float> @fsub_neg_y_vector(<4 x float> %x, <4 x float>%y) {
define <4 x float> @fsub_neg_y_vector(<4 x float> %x, <4 x float> %y) {
; ANY-LABEL: fsub_neg_y_vector:
; ANY: # %bb.0:
; ANY-NEXT: mulps {{.*}}(%rip), %xmm0
@ -111,6 +111,18 @@ define <4 x float> @fsub_neg_y_vector(<4 x float> %x, <4 x float>%y) {
ret <4 x float> %r
}
define <4 x float> @fsub_neg_y_vector_nonuniform(<4 x float> %x, <4 x float> %y) {
; ANY-LABEL: fsub_neg_y_vector_nonuniform:
; ANY: # %bb.0:
; ANY-NEXT: mulps {{.*}}(%rip), %xmm0
; ANY-NEXT: xorps {{.*}}(%rip), %xmm0
; ANY-NEXT: retq
%mul = fmul <4 x float> %x, <float 5.0, float 6.0, float 7.0, float 8.0>
%add = fadd <4 x float> %mul, %y
%r = fsub nsz reassoc <4 x float> %y, %add
ret <4 x float> %r
}
define float @fsub_neg_y_commute(float %x, float %y) {
; ANY-LABEL: fsub_neg_y_commute:
; ANY: # %bb.0: