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

llvm-svn: 362697

1 files changed, 13 insertions, 1 deletions

diff --git a/llvm/test/CodeGen/X86/fp-fold.ll b/llvm/test/CodeGen/X86/fp-fold.ll
index 29a657a1f34..aee45185700 100644
--- a/llvm/test/CodeGen/X86/fp-fold.ll
+++ b/llvm/test/CodeGen/X86/fp-fold.ll
@@ -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: