; RUN: llc < %s -march=x86 -mattr=+sse2 -mcpu=penryn | FileCheck %s
+; RUN: llc < %s -march=x86 -mattr=+sse2 -mcpu=penryn -x86-experimental-vector-shuffle-lowering | FileCheck %s --check-prefix=CHECK-EXP
define <4 x float> @test(float %a) {
; CHECK-LABEL: test:
; CHECK: movss {{.*}}, %xmm0
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,0,1,1]
; CHECK-NEXT: retl
+;
+; CHECK-EXP-LABEL: test:
+; CHECK-EXP: insertps $285, {{.*}}, %xmm0
+; CHECK-EXP-NEXT: retl
entry:
%tmp = insertelement <4 x float> zeroinitializer, float %a, i32 1
; CHECK: movd {{.*}}, %xmm0
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,0,1]
; CHECK-NEXT: retl
+;
+; CHECK-EXP-LABEL: test2:
+; CHECK-EXP: movd {{.*}}, %xmm0
+; CHECK-EXP-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,0,1]
+; CHECK-EXP-NEXT: retl
entry:
%tmp7 = insertelement <4 x i32> zeroinitializer, i32 %a, i32 2
; CHECK-NEXT: movss %xmm0, %[[X1]]
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = [[X1]][1,0,1,1]
; CHECK-NEXT: retl
+;
+; CHECK-EXP-LABEL: test3:
+; CHECK-EXP: insertps {{.*#+}} xmm0 = zero,xmm0[0],zero,zero
+; CHECK-EXP-NEXT: retl
%tmp0 = extractelement <4 x float> %A, i32 0
%tmp1 = insertelement <4 x float> <float 0.000000e+00, float undef, float undef, float undef >, float %tmp0, i32 1