[DAGCombiner] Add vector support to fold (shl/srl 0, x) -> 0
llvm-svn: 302641
diff --git a/llvm/test/CodeGen/X86/combine-srl.ll b/llvm/test/CodeGen/X86/combine-srl.ll
index 706e890..21564cd 100644
--- a/llvm/test/CodeGen/X86/combine-srl.ll
+++ b/llvm/test/CodeGen/X86/combine-srl.ll
@@ -6,30 +6,12 @@
define <4 x i32> @combine_vec_lshr_zero(<4 x i32> %x) {
; SSE-LABEL: combine_vec_lshr_zero:
; SSE: # BB#0:
-; SSE-NEXT: movdqa %xmm0, %xmm2
-; SSE-NEXT: psrldq {{.*#+}} xmm2 = xmm2[12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
-; SSE-NEXT: pxor %xmm1, %xmm1
-; SSE-NEXT: pxor %xmm3, %xmm3
-; SSE-NEXT: psrld %xmm2, %xmm3
-; SSE-NEXT: movdqa %xmm0, %xmm2
-; SSE-NEXT: psrlq $32, %xmm2
-; SSE-NEXT: pxor %xmm4, %xmm4
-; SSE-NEXT: psrld %xmm2, %xmm4
-; SSE-NEXT: pblendw {{.*#+}} xmm4 = xmm4[0,1,2,3],xmm3[4,5,6,7]
-; SSE-NEXT: pmovzxdq {{.*#+}} xmm2 = xmm0[0],zero,xmm0[1],zero
-; SSE-NEXT: punpckhdq {{.*#+}} xmm0 = xmm0[2],xmm1[2],xmm0[3],xmm1[3]
-; SSE-NEXT: pxor %xmm3, %xmm3
-; SSE-NEXT: psrld %xmm0, %xmm3
-; SSE-NEXT: psrld %xmm2, %xmm1
-; SSE-NEXT: pblendw {{.*#+}} xmm1 = xmm1[0,1,2,3],xmm3[4,5,6,7]
-; SSE-NEXT: pblendw {{.*#+}} xmm1 = xmm1[0,1],xmm4[2,3],xmm1[4,5],xmm4[6,7]
-; SSE-NEXT: movdqa %xmm1, %xmm0
+; SSE-NEXT: xorps %xmm0, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_vec_lshr_zero:
; AVX: # BB#0:
-; AVX-NEXT: vpxor %xmm1, %xmm1, %xmm1
-; AVX-NEXT: vpsrlvd %xmm0, %xmm1, %xmm0
+; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0
; AVX-NEXT: retq
%1 = lshr <4 x i32> zeroinitializer, %x
ret <4 x i32> %1