;
; SSE41-LABEL: trunc2x4i32:
; SSE41: # BB#0: # %entry
-; SSE41-NEXT: pshufb {{.*#+}} xmm1 = xmm1[0,1,4,5,4,5,6,7,0,1,4,5,8,9,12,13]
-; SSE41-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
-; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm1[4,5,6,7]
+; SSE41-NEXT: movdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
+; SSE41-NEXT: pshufb %xmm2, %xmm1
+; SSE41-NEXT: pshufb %xmm2, %xmm0
+; SSE41-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE41-NEXT: retq
;
; AVX-LABEL: trunc2x4i32:
; AVX: # BB#0: # %entry
-; AVX-NEXT: vpshufb {{.*#+}} xmm1 = xmm1[0,1,4,5,4,5,6,7,0,1,4,5,8,9,12,13]
-; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
-; AVX-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm1[4,5,6,7]
+; AVX-NEXT: vmovdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
+; AVX-NEXT: vpshufb %xmm2, %xmm1, %xmm1
+; AVX-NEXT: vpshufb %xmm2, %xmm0, %xmm0
+; AVX-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-NEXT: retq
;
; SSSE3-LABEL: trunc2x8i16:
; SSSE3: # BB#0: # %entry
-; SSSE3-NEXT: pshufb {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,2,4,6,8,10,12,14]
-; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero
-; SSSE3-NEXT: por %xmm1, %xmm0
+; SSSE3-NEXT: movdqa {{.*#+}} xmm2 = <0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u>
+; SSSE3-NEXT: pshufb %xmm2, %xmm1
+; SSSE3-NEXT: pshufb %xmm2, %xmm0
+; SSSE3-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: trunc2x8i16:
; SSE41: # BB#0: # %entry
-; SSE41-NEXT: pshufb {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,2,4,6,8,10,12,14]
-; SSE41-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero
-; SSE41-NEXT: por %xmm1, %xmm0
+; SSE41-NEXT: movdqa {{.*#+}} xmm2 = <0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u>
+; SSE41-NEXT: pshufb %xmm2, %xmm1
+; SSE41-NEXT: pshufb %xmm2, %xmm0
+; SSE41-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE41-NEXT: retq
;
; AVX-LABEL: trunc2x8i16:
; AVX: # BB#0: # %entry
-; AVX-NEXT: vpshufb {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,2,4,6,8,10,12,14]
-; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX-NEXT: vpor %xmm1, %xmm0, %xmm0
+; AVX-NEXT: vmovdqa {{.*#+}} xmm2 = <0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u>
+; AVX-NEXT: vpshufb %xmm2, %xmm1, %xmm1
+; AVX-NEXT: vpshufb %xmm2, %xmm0, %xmm0
+; AVX-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-NEXT: retq
%1 = bitcast <8 x i8> %0 to i64
ret i64 %1
}
+
+define <16 x i8> @trunc16i64_const() {
+; SSE-LABEL: trunc16i64_const:
+; SSE: # BB#0: # %entry
+; SSE-NEXT: xorps %xmm0, %xmm0
+; SSE-NEXT: retq
+;
+; AVX-LABEL: trunc16i64_const:
+; AVX: # BB#0: # %entry
+; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0
+; AVX-NEXT: retq
+
+entry:
+ %0 = trunc <16 x i64> zeroinitializer to <16 x i8>
+ %1 = shufflevector <16 x i8> %0, <16 x i8> %0, <16 x i32> <i32 28, i32 30, i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 undef, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26>
+ ret <16 x i8> %1
+}