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-rw-r--r--llvm/test/CodeGen/X86/vector-shuffle-combining.ll176
1 files changed, 116 insertions, 60 deletions
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-combining.ll b/llvm/test/CodeGen/X86/vector-shuffle-combining.ll
index f670bf71a8f..58b7be1ec80 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-combining.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-combining.ll
@@ -1715,37 +1715,41 @@ define <4 x i8> @combine_test1c(<4 x i8>* %a, <4 x i8>* %b) {
; SSE2-LABEL: combine_test1c:
; SSE2: # %bb.0:
; SSE2-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
-; SSE2-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
-; SSE2-NEXT: movaps {{.*#+}} xmm0 = [0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
-; SSE2-NEXT: andps %xmm0, %xmm2
-; SSE2-NEXT: andnps %xmm1, %xmm0
-; SSE2-NEXT: orps %xmm2, %xmm0
+; SSE2-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; SSE2-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSE2-NEXT: movss {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test1c:
; SSSE3: # %bb.0:
-; SSSE3-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSSE3-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSSE3-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
-; SSSE3-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
-; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[1,2,4,6,u,u,u,u,u,u,u,u,u,u,u,u]
+; SSSE3-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSSE3-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSSE3-NEXT: movss {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test1c:
; SSE41: # %bb.0:
-; SSE41-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
-; SSE41-NEXT: movd {{.*#+}} xmm2 = mem[0],zero,zero,zero
-; SSE41-NEXT: movaps {{.*#+}} xmm0 = <0,255,255,255,u,u,u,u,u,u,u,u,u,u,u,u>
-; SSE41-NEXT: pblendvb %xmm0, %xmm2, %xmm1
-; SSE41-NEXT: movdqa %xmm1, %xmm0
+; SSE41-NEXT: pmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; SSE41-NEXT: pmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3,4,5,6,7]
; SSE41-NEXT: retq
;
-; AVX-LABEL: combine_test1c:
-; AVX: # %bb.0:
-; AVX-NEXT: vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
-; AVX-NEXT: vmovd {{.*#+}} xmm1 = mem[0],zero,zero,zero
-; AVX-NEXT: vmovdqa {{.*#+}} xmm2 = <0,255,255,255,u,u,u,u,u,u,u,u,u,u,u,u>
-; AVX-NEXT: vpblendvb %xmm2, %xmm1, %xmm0, %xmm0
-; AVX-NEXT: retq
+; AVX1-LABEL: combine_test1c:
+; AVX1: # %bb.0:
+; AVX1-NEXT: vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; AVX1-NEXT: vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; AVX1-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3,4,5,6,7]
+; AVX1-NEXT: retq
+;
+; AVX2-LABEL: combine_test1c:
+; AVX2: # %bb.0:
+; AVX2-NEXT: vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; AVX2-NEXT: vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; AVX2-NEXT: vpblendd {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
+; AVX2-NEXT: retq
%A = load <4 x i8>, <4 x i8>* %a
%B = load <4 x i8>, <4 x i8>* %b
%1 = shufflevector <4 x i8> %A, <4 x i8> %B, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
@@ -1754,18 +1758,40 @@ define <4 x i8> @combine_test1c(<4 x i8>* %a, <4 x i8>* %b) {
}
define <4 x i8> @combine_test2c(<4 x i8>* %a, <4 x i8>* %b) {
-; SSE-LABEL: combine_test2c:
-; SSE: # %bb.0:
-; SSE-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
-; SSE-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
-; SSE-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
-; SSE-NEXT: retq
+; SSE2-LABEL: combine_test2c:
+; SSE2: # %bb.0:
+; SSE2-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; SSE2-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSE2-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSE2-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSE2-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSE2-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE2-NEXT: retq
+;
+; SSSE3-LABEL: combine_test2c:
+; SSSE3: # %bb.0:
+; SSSE3-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; SSSE3-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSSE3-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSSE3-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSSE3-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSSE3-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSSE3-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSSE3-NEXT: retq
+;
+; SSE41-LABEL: combine_test2c:
+; SSE41: # %bb.0:
+; SSE41-NEXT: pmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; SSE41-NEXT: pmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; SSE41-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test2c:
; AVX: # %bb.0:
-; AVX-NEXT: vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
-; AVX-NEXT: vmovd {{.*#+}} xmm1 = mem[0],zero,zero,zero
-; AVX-NEXT: vpunpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; AVX-NEXT: vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; AVX-NEXT: vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; AVX-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-NEXT: retq
%A = load <4 x i8>, <4 x i8>* %a
%B = load <4 x i8>, <4 x i8>* %b
@@ -1775,20 +1801,40 @@ define <4 x i8> @combine_test2c(<4 x i8>* %a, <4 x i8>* %b) {
}
define <4 x i8> @combine_test3c(<4 x i8>* %a, <4 x i8>* %b) {
-; SSE-LABEL: combine_test3c:
-; SSE: # %bb.0:
-; SSE-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
-; SSE-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
-; SSE-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
-; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,1,2,3]
-; SSE-NEXT: retq
+; SSE2-LABEL: combine_test3c:
+; SSE2: # %bb.0:
+; SSE2-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSE2-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSE2-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSE2-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; SSE2-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSE2-NEXT: punpckhqdq {{.*#+}} xmm0 = xmm0[1],xmm1[1]
+; SSE2-NEXT: retq
+;
+; SSSE3-LABEL: combine_test3c:
+; SSSE3: # %bb.0:
+; SSSE3-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSSE3-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSSE3-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSSE3-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; SSSE3-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSSE3-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSSE3-NEXT: punpckhqdq {{.*#+}} xmm0 = xmm0[1],xmm1[1]
+; SSSE3-NEXT: retq
+;
+; SSE41-LABEL: combine_test3c:
+; SSE41: # %bb.0:
+; SSE41-NEXT: pmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; SSE41-NEXT: pmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; SSE41-NEXT: punpckhqdq {{.*#+}} xmm0 = xmm0[1],xmm1[1]
+; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test3c:
; AVX: # %bb.0:
-; AVX-NEXT: vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
-; AVX-NEXT: vmovd {{.*#+}} xmm1 = mem[0],zero,zero,zero
-; AVX-NEXT: vpunpcklwd {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
-; AVX-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
+; AVX-NEXT: vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; AVX-NEXT: vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; AVX-NEXT: vpunpckhqdq {{.*#+}} xmm0 = xmm1[1],xmm0[1]
; AVX-NEXT: retq
%A = load <4 x i8>, <4 x i8>* %a
%B = load <4 x i8>, <4 x i8>* %b
@@ -1800,38 +1846,48 @@ define <4 x i8> @combine_test3c(<4 x i8>* %a, <4 x i8>* %b) {
define <4 x i8> @combine_test4c(<4 x i8>* %a, <4 x i8>* %b) {
; SSE2-LABEL: combine_test4c:
; SSE2: # %bb.0:
+; SSE2-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; SSE2-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
; SSE2-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
-; SSE2-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
-; SSE2-NEXT: movaps {{.*#+}} xmm0 = [255,0,255,255,255,255,255,255,255,255,255,255,255,255,255,255]
-; SSE2-NEXT: andps %xmm0, %xmm2
-; SSE2-NEXT: andnps %xmm1, %xmm0
-; SSE2-NEXT: orps %xmm2, %xmm0
+; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm1[0,0]
+; SSE2-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSE2-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[2,3]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test4c:
; SSSE3: # %bb.0:
-; SSSE3-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSSE3-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
-; SSSE3-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
-; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,3,4,6,u,u,u,u,u,u,u,u,u,u,u,u]
+; SSSE3-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSSE3-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSSE3-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm1[0,0]
+; SSSE3-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSSE3-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[2,3]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test4c:
; SSE41: # %bb.0:
-; SSE41-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
-; SSE41-NEXT: movd {{.*#+}} xmm2 = mem[0],zero,zero,zero
-; SSE41-NEXT: movaps {{.*#+}} xmm0 = <255,0,255,255,u,u,u,u,u,u,u,u,u,u,u,u>
-; SSE41-NEXT: pblendvb %xmm0, %xmm2, %xmm1
-; SSE41-NEXT: movdqa %xmm1, %xmm0
+; SSE41-NEXT: pmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; SSE41-NEXT: pmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3],xmm0[4,5,6,7]
; SSE41-NEXT: retq
;
-; AVX-LABEL: combine_test4c:
-; AVX: # %bb.0:
-; AVX-NEXT: vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
-; AVX-NEXT: vmovd {{.*#+}} xmm1 = mem[0],zero,zero,zero
-; AVX-NEXT: vmovdqa {{.*#+}} xmm2 = <255,0,255,255,u,u,u,u,u,u,u,u,u,u,u,u>
-; AVX-NEXT: vpblendvb %xmm2, %xmm1, %xmm0, %xmm0
-; AVX-NEXT: retq
+; AVX1-LABEL: combine_test4c:
+; AVX1: # %bb.0:
+; AVX1-NEXT: vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; AVX1-NEXT: vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; AVX1-NEXT: vpblendw {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3],xmm1[4,5,6,7]
+; AVX1-NEXT: retq
+;
+; AVX2-LABEL: combine_test4c:
+; AVX2: # %bb.0:
+; AVX2-NEXT: vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; AVX2-NEXT: vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
+; AVX2-NEXT: vpblendd {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
+; AVX2-NEXT: retq
%A = load <4 x i8>, <4 x i8>* %a
%B = load <4 x i8>, <4 x i8>* %b
%1 = shufflevector <4 x i8> %A, <4 x i8> %B, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
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