define <2 x i64> @shuffle_v2i64_1z(<2 x i64> %a) {
; SSE-LABEL: shuffle_v2i64_1z:
; SSE: # BB#0:
-; SSE-NEXT: pxor %xmm1, %xmm1
-; SSE-NEXT: punpckhqdq {{.*#+}} xmm0 = xmm0[1],xmm1[1]
+; SSE-NEXT: psrldq {{.*#+}} xmm0 = xmm0[8,9,10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero
; SSE-NEXT: retq
;
; AVX-LABEL: shuffle_v2i64_1z:
; AVX: # BB#0:
-; AVX-NEXT: vpxor %xmm1, %xmm1, %xmm1
-; AVX-NEXT: vpunpckhqdq {{.*#+}} xmm0 = xmm0[1],xmm1[1]
+; AVX-NEXT: vpsrldq {{.*#+}} xmm0 = xmm0[8,9,10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero
; AVX-NEXT: retq
%shuffle = shufflevector <2 x i64> %a, <2 x i64> zeroinitializer, <2 x i32> <i32 1, i32 3>
ret <2 x i64> %shuffle
define <2 x i64> @shuffle_v2i64_z0(<2 x i64> %a) {
; SSE-LABEL: shuffle_v2i64_z0:
; SSE: # BB#0:
-; SSE-NEXT: movq %xmm0, %xmm0
-; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; SSE-NEXT: pslldq {{.*#+}} xmm0 = zero,zero,zero,zero,zero,zero,zero,zero,xmm0[0,1,2,3,4,5,6,7]
; SSE-NEXT: retq
;
; AVX-LABEL: shuffle_v2i64_z0:
; AVX: # BB#0:
-; AVX-NEXT: vmovq %xmm0, %xmm0
-; AVX-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; AVX-NEXT: vpslldq {{.*#+}} xmm0 = zero,zero,zero,zero,zero,zero,zero,zero,xmm0[0,1,2,3,4,5,6,7]
; AVX-NEXT: retq
%shuffle = shufflevector <2 x i64> %a, <2 x i64> zeroinitializer, <2 x i32> <i32 2, i32 0>
ret <2 x i64> %shuffle