[x86] Implement v16i16 support with AVX2 in the new vector shuffle

[oota-llvm.git] / test / CodeGen / X86 / vector-shuffle-256-v16.ll

diff --git a/test/CodeGen/X86/vector-shuffle-256-v16.ll b/test/CodeGen/X86/vector-shuffle-256-v16.ll
index 9145e0c7878da801a511abb3d46624d0854d929e..0d3a6220343e803f3b0bd0ab5575c94a2aafa970 100644 (file)
--- a/test/CodeGen/X86/vector-shuffle-256-v16.ll
+++ b/test/CodeGen/X86/vector-shuffle-256-v16.ll
@@ -385,11 +385,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_00_00_00_00_08_08_08_08_08_08_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_00_00_00_00_00_08_08_08_08_08_08_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,16,17,16,17,16,17,16,17,16,17,16,17,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -407,11 +403,7 @@ define <16 x i16> @shuffle_v16i16_07_07_07_07_07_07_07_07_15_15_15_15_15_15_15_1
 ;
 ; AVX2-LABEL: @shuffle_v16i16_07_07_07_07_07_07_07_07_15_15_15_15_15_15_15_15
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [14,15,14,15,14,15,14,15,14,15,14,15,14,15,14,15]
-; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[14,15,14,15,14,15,14,15,14,15,14,15,14,15,14,15,30,31,30,31,30,31,30,31,30,31,30,31,30,31,30,31]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15>
   ret <16 x i16> %shuffle
@@ -430,12 +422,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_04_04_04_04_08_08_08_08_12_12_12_1
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_00_04_04_04_04_08_08_08_08_12_12_12_12
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm1 = xmm0[0,0,0,0,4,5,6,7]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm1 = xmm1[0,1,2,3,4,4,4,4]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm0 = xmm0[0,0,0,0,4,5,6,7]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm0 = xmm0[0,1,2,3,4,4,4,4]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,0,1,0,1,8,9,8,9,8,9,8,9,16,17,16,17,16,17,16,17,24,25,24,25,24,25,24,25]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 0, i32 0, i32 4, i32 4, i32 4, i32 4, i32 8, i32 8, i32 8, i32 8, i32 12, i32 12, i32 12, i32 12>
   ret <16 x i16> %shuffle
@@ -454,12 +441,7 @@ define <16 x i16> @shuffle_v16i16_03_03_03_03_07_07_07_07_11_11_11_11_15_15_15_1
 ;
 ; AVX2-LABEL: @shuffle_v16i16_03_03_03_03_07_07_07_07_11_11_11_11_15_15_15_15
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm1 = xmm0[3,3,3,3,4,5,6,7]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm1 = xmm1[0,1,2,3,7,7,7,7]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm0 = xmm0[3,3,3,3,4,5,6,7]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm0 = xmm0[0,1,2,3,7,7,7,7]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[6,7,6,7,6,7,6,7,14,15,14,15,14,15,14,15,22,23,22,23,22,23,22,23,30,31,30,31,30,31,30,31]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 3, i32 3, i32 3, i32 3, i32 7, i32 7, i32 7, i32 7, i32 11, i32 11, i32 11, i32 11, i32 15, i32 15, i32 15, i32 15>
   ret <16 x i16> %shuffle
@@ -478,12 +460,7 @@ define <16 x i16> @shuffle_v16i16_00_00_02_02_04_04_06_06_08_08_10_10_12_12_14_1
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_02_02_04_04_06_06_08_08_10_10_12_12_14_14
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm1 = xmm0[0,0,2,2,4,5,6,7]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm1 = xmm1[0,1,2,3,4,4,6,6]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm0 = xmm0[0,0,2,2,4,5,6,7]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm0 = xmm0[0,1,2,3,4,4,6,6]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,4,5,4,5,8,9,8,9,12,13,12,13,16,17,16,17,20,21,20,21,24,25,24,25,28,29,28,29]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
   ret <16 x i16> %shuffle
@@ -502,12 +479,7 @@ define <16 x i16> @shuffle_v16i16_01_01_03_03_05_05_07_07_09_09_11_11_13_13_15_1
 ;
 ; AVX2-LABEL: @shuffle_v16i16_01_01_03_03_05_05_07_07_09_09_11_11_13_13_15_15
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm1 = xmm0[1,1,3,3,4,5,6,7]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm1 = xmm1[0,1,2,3,5,5,7,7]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm0 = xmm0[1,1,3,3,4,5,6,7]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm0 = xmm0[0,1,2,3,5,5,7,7]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[2,3,2,3,6,7,6,7,10,11,10,11,14,15,14,15,18,19,18,19,22,23,22,23,26,27,26,27,30,31,30,31]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 5, i32 7, i32 7, i32 9, i32 9, i32 11, i32 11, i32 13, i32 13, i32 15, i32 15>
   ret <16 x i16> %shuffle
@@ -637,11 +609,7 @@ define <16 x i16> @shuffle_v16i16_16_01_18_03_20_05_22_07_24_09_26_11_28_13_30_1
 ;
 ; AVX2-LABEL: @shuffle_v16i16_16_01_18_03_20_05_22_07_24_09_26_11_28_13_30_15
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
-; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm3
-; AVX2-NEXT:    vpblendw {{.*}} # xmm2 = xmm3[0],xmm2[1],xmm3[2],xmm2[3],xmm3[4],xmm2[5],xmm3[6],xmm2[7]
-; AVX2-NEXT:    vpblendw {{.*}} # xmm0 = xmm1[0],xmm0[1],xmm1[2],xmm0[3],xmm1[4],xmm0[5],xmm1[6],xmm0[7]
-; AVX2-NEXT:    vinserti128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpblendw {{.*}} # ymm0 = ymm1[0],ymm0[1],ymm1[2],ymm0[3],ymm1[4],ymm0[5],ymm1[6],ymm0[7],ymm1[8],ymm0[9],ymm1[10],ymm0[11],ymm1[12],ymm0[13],ymm1[14],ymm0[15]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 16, i32 1, i32 18, i32 3, i32 20, i32 5, i32 22, i32 7, i32 24, i32 9, i32 26, i32 11, i32 28, i32 13, i32 30, i32 15>
   ret <16 x i16> %shuffle
@@ -684,16 +652,9 @@ define <16 x i16> @shuffle_v16i16_00_16_00_16_00_16_00_16_08_24_08_24_08_24_08_2
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_16_00_16_00_16_00_16_08_24_08_24_08_24_08_24
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
-; AVX2-NEXT:    vmovdqa {{.*}} # xmm3 = [0,1,0,1,4,5,0,1,0,1,0,1,12,13,0,1]
-; AVX2-NEXT:    vpshufb %xmm3, %xmm2, %xmm2
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm4
-; AVX2-NEXT:    vpshufd {{.*}} # xmm4 = xmm4[0,0,0,0]
-; AVX2-NEXT:    vpblendw {{.*}} # xmm2 = xmm4[0],xmm2[1],xmm4[2],xmm2[3],xmm4[4],xmm2[5],xmm4[6],xmm2[7]
-; AVX2-NEXT:    vpshufb %xmm3, %xmm1, %xmm1
-; AVX2-NEXT:    vpshufd {{.*}} # xmm0 = xmm0[0,0,0,0]
-; AVX2-NEXT:    vpblendw {{.*}} # xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7]
-; AVX2-NEXT:    vinserti128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm1 = ymm1[u,u,0,1,u,u,0,1,u,u,0,1,u,u,0,1,u,u,16,17,u,u,16,17,u,u,16,17,u,u,16,17]
+; AVX2-NEXT:    vpshufd {{.*}} # ymm0 = ymm0[0,0,0,0,4,4,4,4]
+; AVX2-NEXT:    vpblendw {{.*}} # ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7],ymm0[8],ymm1[9],ymm0[10],ymm1[11],ymm0[12],ymm1[13],ymm0[14],ymm1[15]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 16, i32 0, i32 16, i32 0, i32 16, i32 0, i32 16, i32 8, i32 24, i32 8, i32 24, i32 8, i32 24, i32 8, i32 24>
   ret <16 x i16> %shuffle
@@ -713,13 +674,8 @@ define <16 x i16> @shuffle_v16i16_16_16_16_16_04_05_06_07_24_24_24_24_12_13_14_1
 ;
 ; AVX2-LABEL: @shuffle_v16i16_16_16_16_16_04_05_06_07_24_24_24_24_12_13_14_15
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
-; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm3
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm3 = xmm3[0,0,0,0,4,5,6,7]
-; AVX2-NEXT:    vpblendd {{.*}} # xmm2 = xmm3[0,1],xmm2[2,3]
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm1 = xmm1[0,0,0,0,4,5,6,7]
-; AVX2-NEXT:    vpblendd {{.*}} # xmm0 = xmm1[0,1],xmm0[2,3]
-; AVX2-NEXT:    vinserti128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm1 = ymm1[0,1,0,1,0,1,0,1,u,u,u,u,u,u,u,u,16,17,16,17,16,17,16,17,u,u,u,u,u,u,u,u]
+; AVX2-NEXT:    vpblendd {{.*}} # ymm0 = ymm1[0,1],ymm0[2,3],ymm1[4,5],ymm0[6,7]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 16, i32 16, i32 16, i32 16, i32 4, i32 5, i32 6, i32 7, i32 24, i32 24, i32 24, i32 24, i32 12, i32 13, i32 14, i32 15>
   ret <16 x i16> %shuffle
@@ -741,15 +697,9 @@ define <16 x i16> @shuffle_v16i16_19_18_17_16_07_06_05_04_27_26_25_24_15_14_13_1
 ;
 ; AVX2-LABEL: @shuffle_v16i16_19_18_17_16_07_06_05_04_27_26_25_24_15_14_13_12
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm2 = xmm2[0,1,2,3,7,6,5,4]
-; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm3
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm3 = xmm3[3,2,1,0,4,5,6,7]
-; AVX2-NEXT:    vpblendd {{.*}} # xmm2 = xmm3[0,1],xmm2[2,3]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm0 = xmm0[0,1,2,3,7,6,5,4]
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm1 = xmm1[3,2,1,0,4,5,6,7]
-; AVX2-NEXT:    vpblendd {{.*}} # xmm0 = xmm1[0,1],xmm0[2,3]
-; AVX2-NEXT:    vinserti128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[u,u,u,u,u,u,u,u,14,15,12,13,10,11,8,9,u,u,u,u,u,u,u,u,30,31,28,29,26,27,24,25]
+; AVX2-NEXT:    vpshufb {{.*}} # ymm1 = ymm1[6,7,4,5,2,3,0,1,u,u,u,u,u,u,u,u,22,23,20,21,18,19,16,17,u,u,u,u,u,u,u,u]
+; AVX2-NEXT:    vpblendd {{.*}} # ymm0 = ymm1[0,1],ymm0[2,3],ymm1[4,5],ymm0[6,7]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 19, i32 18, i32 17, i32 16, i32 7, i32 6, i32 5, i32 4, i32 27, i32 26, i32 25, i32 24, i32 15, i32 14, i32 13, i32 12>
   ret <16 x i16> %shuffle
@@ -773,17 +723,9 @@ define <16 x i16> @shuffle_v16i16_19_18_17_16_03_02_01_00_27_26_25_24_11_10_09_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_19_18_17_16_03_02_01_00_27_26_25_24_11_10_09_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm2 = xmm2[3,2,1,0,4,5,6,7]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm3
-; AVX2-NEXT:    vpshufd {{.*}} # xmm3 = xmm3[0,1,0,1]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm3 = xmm3[0,1,2,3,7,6,5,4]
-; AVX2-NEXT:    vpblendd {{.*}} # xmm2 = xmm2[0,1],xmm3[2,3]
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm1 = xmm1[3,2,1,0,4,5,6,7]
-; AVX2-NEXT:    vpshufd {{.*}} # xmm0 = xmm0[0,1,0,1]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm0 = xmm0[0,1,2,3,7,6,5,4]
-; AVX2-NEXT:    vpblendd {{.*}} # xmm0 = xmm1[0,1],xmm0[2,3]
-; AVX2-NEXT:    vinserti128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[u,u,u,u,u,u,u,u,6,7,4,5,2,3,0,1,u,u,u,u,u,u,u,u,22,23,20,21,18,19,16,17]
+; AVX2-NEXT:    vpshufb {{.*}} # ymm1 = ymm1[6,7,4,5,2,3,0,1,u,u,u,u,u,u,u,u,22,23,20,21,18,19,16,17,u,u,u,u,u,u,u,u]
+; AVX2-NEXT:    vpblendd {{.*}} # ymm0 = ymm1[0,1],ymm0[2,3],ymm1[4,5],ymm0[6,7]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 19, i32 18, i32 17, i32 16, i32 3, i32 2, i32 1, i32 0, i32 27, i32 26, i32 25, i32 24, i32 11, i32 10, i32 9, i32 8>
   ret <16 x i16> %shuffle
@@ -801,11 +743,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_00_00_01_00_08_08_08_08_08_08_09_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_00_00_00_01_00_08_08_08_08_08_08_09_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,0,1,0,1,0,1,2,3,0,1]
-; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,0,1,0,1,0,1,0,1,2,3,0,1,16,17,16,17,16,17,16,17,16,17,16,17,18,19,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 0, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 9, i32 8>
   ret <16 x i16> %shuffle
@@ -823,11 +761,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_00_02_00_00_08_08_08_08_08_10_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_00_00_02_00_00_08_08_08_08_08_10_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,0,1,0,1,4,5,0,1,0,1]
-; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,0,1,0,1,0,1,4,5,0,1,0,1,16,17,16,17,16,17,16,17,16,17,20,21,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 2, i32 0, i32 0, i32 8, i32 8, i32 8, i32 8, i32 8, i32 10, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -845,11 +779,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_03_00_00_00_08_08_08_08_11_08_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_00_03_00_00_00_08_08_08_08_11_08_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,0,1,6,7,0,1,0,1,0,1]
-; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,0,1,0,1,6,7,0,1,0,1,0,1,16,17,16,17,16,17,16,17,22,23,16,17,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 0, i32 0, i32 3, i32 0, i32 0, i32 0, i32 8, i32 8, i32 8, i32 8, i32 11, i32 8, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -867,11 +797,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_04_00_00_00_00_08_08_08_12_08_08_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_04_00_00_00_00_08_08_08_12_08_08_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,0,1,8,9,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,0,1,8,9,0,1,0,1,0,1,0,1,16,17,16,17,16,17,24,25,16,17,16,17,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 0, i32 4, i32 0, i32 0, i32 0, i32 0, i32 8, i32 8, i32 8, i32 12, i32 8, i32 8, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -889,11 +815,7 @@ define <16 x i16> @shuffle_v16i16_00_00_05_00_00_00_00_00_08_08_13_08_08_08_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_05_00_00_00_00_00_08_08_13_08_08_08_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,0,1,10,11,0,1,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,10,11,0,1,0,1,0,1,0,1,0,1,16,17,16,17,26,27,16,17,16,17,16,17,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 5, i32 0, i32 0, i32 0, i32 0, i32 0, i32 8, i32 8, i32 13, i32 8, i32 8, i32 8, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -911,11 +833,7 @@ define <16 x i16> @shuffle_v16i16_00_06_00_00_00_00_00_00_08_14_08_08_08_08_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_06_00_00_00_00_00_00_08_14_08_08_08_08_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [0,1,12,13,0,1,0,1,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,12,13,0,1,0,1,0,1,0,1,0,1,0,1,16,17,28,29,16,17,16,17,16,17,16,17,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 6, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 8, i32 14, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -933,11 +851,7 @@ define <16 x i16> @shuffle_v16i16_07_00_00_00_00_00_00_00_15_08_08_08_08_08_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_07_00_00_00_00_00_00_00_15_08_08_08_08_08_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX2-NEXT:    vmovdqa {{.*}} # xmm2 = [14,15,0,1,0,1,0,1,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[14,15,0,1,0,1,0,1,0,1,0,1,0,1,0,1,30,31,16,17,16,17,16,17,16,17,16,17,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 7, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 15, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -959,15 +873,7 @@ define <16 x i16> @shuffle_v16i16_00_16_01_17_02_18_03_19_08_24_09_25_10_26_11_2
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_16_01_17_02_18_03_19_08_24_09_25_10_26_11_27
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
-; AVX2-NEXT:    vpunpcklwd {{.*}} # xmm2 = xmm2[0,0,1,1,2,2,3,3]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm3
-; AVX2-NEXT:    vpmovzxwd %xmm3, %xmm3
-; AVX2-NEXT:    vpblendw {{.*}} # xmm2 = xmm3[0],xmm2[1],xmm3[2],xmm2[3],xmm3[4],xmm2[5],xmm3[6],xmm2[7]
-; AVX2-NEXT:    vpunpcklwd {{.*}} # xmm1 = xmm1[0,0,1,1,2,2,3,3]
-; AVX2-NEXT:    vpmovzxwd %xmm0, %xmm0
-; AVX2-NEXT:    vpblendw {{.*}} # xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7]
-; AVX2-NEXT:    vinserti128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpunpcklwd {{.*}} # ymm0 = ymm0[0],ymm1[0],ymm0[1],ymm1[1],ymm0[2],ymm1[2],ymm0[3],ymm1[3],ymm0[8],ymm1[8],ymm0[9],ymm1[9],ymm0[10],ymm1[10],ymm0[11],ymm1[11]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 16, i32 1, i32 17, i32 2, i32 18, i32 3, i32 19, i32 8, i32 24, i32 9, i32 25, i32 10, i32 26, i32 11, i32 27>
   ret <16 x i16> %shuffle
@@ -989,15 +895,7 @@ define <16 x i16> @shuffle_v16i16_04_20_05_21_06_22_07_23_12_28_13_29_14_30_15_3
 ;
 ; AVX2-LABEL: @shuffle_v16i16_04_20_05_21_06_22_07_23_12_28_13_29_14_30_15_31
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
-; AVX2-NEXT:    vpunpckhwd {{.*}} # xmm2 = xmm2[4,4,5,5,6,6,7,7]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm3
-; AVX2-NEXT:    vpunpckhwd {{.*}} # xmm3 = xmm3[4,4,5,5,6,6,7,7]
-; AVX2-NEXT:    vpblendw {{.*}} # xmm2 = xmm3[0],xmm2[1],xmm3[2],xmm2[3],xmm3[4],xmm2[5],xmm3[6],xmm2[7]
-; AVX2-NEXT:    vpunpckhwd {{.*}} # xmm1 = xmm1[4,4,5,5,6,6,7,7]
-; AVX2-NEXT:    vpunpckhwd {{.*}} # xmm0 = xmm0[4,4,5,5,6,6,7,7]
-; AVX2-NEXT:    vpblendw {{.*}} # xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7]
-; AVX2-NEXT:    vinserti128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpunpckhwd {{.*}} # ymm0 = ymm0[4],ymm1[4],ymm0[5],ymm1[5],ymm0[6],ymm1[6],ymm0[7],ymm1[7],ymm0[12],ymm1[12],ymm0[13],ymm1[13],ymm0[14],ymm1[14],ymm0[15],ymm1[15]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 4, i32 20, i32 5, i32 21, i32 6, i32 22, i32 7, i32 23, i32 12, i32 28, i32 13, i32 29, i32 14, i32 30, i32 15, i32 31>
   ret <16 x i16> %shuffle
@@ -1019,15 +917,9 @@ define <16 x i16> @shuffle_v16i16_00_16_01_17_02_18_03_19_12_28_13_29_14_30_15_3
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_16_01_17_02_18_03_19_12_28_13_29_14_30_15_31
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
-; AVX2-NEXT:    vpunpckhwd {{.*}} # xmm2 = xmm2[4,4,5,5,6,6,7,7]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm3
-; AVX2-NEXT:    vpunpckhwd {{.*}} # xmm3 = xmm3[4,4,5,5,6,6,7,7]
-; AVX2-NEXT:    vpblendw {{.*}} # xmm2 = xmm3[0],xmm2[1],xmm3[2],xmm2[3],xmm3[4],xmm2[5],xmm3[6],xmm2[7]
-; AVX2-NEXT:    vpunpcklwd {{.*}} # xmm1 = xmm1[0,0,1,1,2,2,3,3]
-; AVX2-NEXT:    vpmovzxwd %xmm0, %xmm0
-; AVX2-NEXT:    vpblendw {{.*}} # xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7]
-; AVX2-NEXT:    vinserti128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm1 = ymm1[u,u,0,1,u,u,2,3,u,u,4,5,u,u,6,7,u,u,24,25,u,u,26,27,u,u,28,29,u,u,30,31]
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,u,u,2,3,u,u,4,5,u,u,6,7,u,u,24,25,u,u,26,27,u,u,28,29,u,u,30,31,u,u]
+; AVX2-NEXT:    vpblendw {{.*}} # ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7],ymm0[8],ymm1[9],ymm0[10],ymm1[11],ymm0[12],ymm1[13],ymm0[14],ymm1[15]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 16, i32 1, i32 17, i32 2, i32 18, i32 3, i32 19, i32 12, i32 28, i32 13, i32 29, i32 14, i32 30, i32 15, i32 31>
   ret <16 x i16> %shuffle
@@ -1049,15 +941,9 @@ define <16 x i16> @shuffle_v16i16_04_20_05_21_06_22_07_23_08_24_09_25_10_26_11_2
 ;
 ; AVX2-LABEL: @shuffle_v16i16_04_20_05_21_06_22_07_23_08_24_09_25_10_26_11_27
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
-; AVX2-NEXT:    vpunpcklwd {{.*}} # xmm2 = xmm2[0,0,1,1,2,2,3,3]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm3
-; AVX2-NEXT:    vpmovzxwd %xmm3, %xmm3
-; AVX2-NEXT:    vpblendw {{.*}} # xmm2 = xmm3[0],xmm2[1],xmm3[2],xmm2[3],xmm3[4],xmm2[5],xmm3[6],xmm2[7]
-; AVX2-NEXT:    vpunpckhwd {{.*}} # xmm1 = xmm1[4,4,5,5,6,6,7,7]
-; AVX2-NEXT:    vpunpckhwd {{.*}} # xmm0 = xmm0[4,4,5,5,6,6,7,7]
-; AVX2-NEXT:    vpblendw {{.*}} # xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7]
-; AVX2-NEXT:    vinserti128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm1 = ymm1[u,u,8,9,u,u,10,11,u,u,12,13,u,u,14,15,u,u,16,17,u,u,18,19,u,u,20,21,u,u,22,23]
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[8,9,u,u,10,11,u,u,12,13,u,u,14,15,u,u,16,17,u,u,18,19,u,u,20,21,u,u,22,23,u,u]
+; AVX2-NEXT:    vpblendw {{.*}} # ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7],ymm0[8],ymm1[9],ymm0[10],ymm1[11],ymm0[12],ymm1[13],ymm0[14],ymm1[15]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 4, i32 20, i32 5, i32 21, i32 6, i32 22, i32 7, i32 23, i32 8, i32 24, i32 9, i32 25, i32 10, i32 26, i32 11, i32 27>
   ret <16 x i16> %shuffle
@@ -1074,10 +960,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_00_00_01_00_08_09_08_08_08_08_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_00_00_00_01_00_08_09_08_08_08_08_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshufb {{.*}} # xmm1 = xmm0[0,1,0,1,0,1,0,1,0,1,0,1,2,3,0,1]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshufb {{.*}} # xmm0 = xmm0[0,1,2,3,0,1,0,1,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,0,1,0,1,0,1,0,1,2,3,0,1,16,17,18,19,16,17,16,17,16,17,16,17,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 0, i32 8, i32 9, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -1094,10 +977,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_00_02_00_00_08_08_10_08_08_08_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_00_00_02_00_00_08_08_10_08_08_08_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshufb {{.*}} # xmm1 = xmm0[0,1,0,1,0,1,0,1,0,1,4,5,0,1,0,1]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshufb {{.*}} # xmm0 = xmm0[0,1,0,1,4,5,0,1,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,0,1,0,1,0,1,4,5,0,1,0,1,16,17,16,17,20,21,16,17,16,17,16,17,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 2, i32 0, i32 0, i32 8, i32 8, i32 10, i32 8, i32 8, i32 8, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -1114,10 +994,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_00_03_00_00_00_08_08_08_11_08_08_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_00_03_00_00_00_08_08_08_11_08_08_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshufb {{.*}} # xmm1 = xmm0[0,1,0,1,0,1,0,1,6,7,0,1,0,1,0,1]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshufb {{.*}} # xmm0 = xmm0[0,1,0,1,0,1,6,7,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,0,1,0,1,6,7,0,1,0,1,0,1,16,17,16,17,16,17,22,23,16,17,16,17,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 0, i32 0, i32 3, i32 0, i32 0, i32 0, i32 8, i32 8, i32 8, i32 11, i32 8, i32 8, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -1134,10 +1011,7 @@ define <16 x i16> @shuffle_v16i16_00_00_00_04_00_00_00_00_08_08_08_08_12_08_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_00_04_00_00_00_00_08_08_08_08_12_08_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshufb {{.*}} # xmm1 = xmm0[0,1,0,1,0,1,8,9,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshufb {{.*}} # xmm0 = xmm0[0,1,0,1,0,1,0,1,8,9,0,1,0,1,0,1]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,0,1,8,9,0,1,0,1,0,1,0,1,16,17,16,17,16,17,16,17,24,25,16,17,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 0, i32 4, i32 0, i32 0, i32 0, i32 0, i32 8, i32 8, i32 8, i32 8, i32 12, i32 8, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -1154,10 +1028,7 @@ define <16 x i16> @shuffle_v16i16_00_00_05_00_00_00_00_00_08_08_08_08_08_13_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_05_00_00_00_00_00_08_08_08_08_08_13_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshufb {{.*}} # xmm1 = xmm0[0,1,0,1,10,11,0,1,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshufb {{.*}} # xmm0 = xmm0[0,1,0,1,0,1,0,1,0,1,10,11,0,1,0,1]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,10,11,0,1,0,1,0,1,0,1,0,1,16,17,16,17,16,17,16,17,16,17,26,27,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 5, i32 0, i32 0, i32 0, i32 0, i32 0, i32 8, i32 8, i32 8, i32 8, i32 8, i32 13, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -1174,10 +1045,7 @@ define <16 x i16> @shuffle_v16i16_00_06_00_00_00_00_00_00_08_08_08_08_08_08_14_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_06_00_00_00_00_00_00_08_08_08_08_08_08_14_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshufb {{.*}} # xmm1 = xmm0[0,1,12,13,0,1,0,1,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshufb {{.*}} # xmm0 = xmm0[0,1,0,1,0,1,0,1,0,1,0,1,12,13,0,1]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,12,13,0,1,0,1,0,1,0,1,0,1,0,1,16,17,16,17,16,17,16,17,16,17,16,17,28,29,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 6, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 14, i32 8>
   ret <16 x i16> %shuffle
@@ -1194,10 +1062,7 @@ define <16 x i16> @shuffle_v16i16_07_00_00_00_00_00_00_00_08_08_08_08_08_08_08_1
 ;
 ; AVX2-LABEL: @shuffle_v16i16_07_00_00_00_00_00_00_00_08_08_08_08_08_08_08_15
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshufb {{.*}} # xmm1 = xmm0[14,15,0,1,0,1,0,1,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshufb {{.*}} # xmm0 = xmm0[0,1,0,1,0,1,0,1,0,1,0,1,0,1,14,15]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[14,15,0,1,0,1,0,1,0,1,0,1,0,1,0,1,16,17,16,17,16,17,16,17,16,17,16,17,16,17,30,31]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 7, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 15>
   ret <16 x i16> %shuffle
@@ -1215,11 +1080,7 @@ define <16 x i16> @shuffle_v16i16_00_00_02_02_04_04_06_06_14_14_12_12_10_10_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_00_02_02_04_04_06_06_14_14_12_12_10_10_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm1 = xmm0[0,0,2,2,4,5,6,7]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm1 = xmm1[0,1,2,3,4,4,6,6]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshufb {{.*}} # xmm0 = xmm0[12,13,12,13,8,9,8,9,4,5,4,5,0,1,0,1]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,0,1,4,5,4,5,8,9,8,9,12,13,12,13,28,29,28,29,24,25,24,25,20,21,20,21,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 14, i32 14, i32 12, i32 12, i32 10, i32 10, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -1237,11 +1098,7 @@ define <16 x i16> @shuffle_v16i16_04_04_04_04_00_00_00_00_08_08_08_08_12_12_12_1
 ;
 ; AVX2-LABEL: @shuffle_v16i16_04_04_04_04_00_00_00_00_08_08_08_08_12_12_12_12
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshufb {{.*}} # xmm1 = xmm0[8,9,8,9,8,9,8,9,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm0 = xmm0[0,0,0,0,4,5,6,7]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm0 = xmm0[0,1,2,3,4,4,4,4]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[8,9,8,9,8,9,8,9,0,1,0,1,0,1,0,1,16,17,16,17,16,17,16,17,24,25,24,25,24,25,24,25]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 4, i32 4, i32 4, i32 4, i32 0, i32 0, i32 0, i32 0, i32 8, i32 8, i32 8, i32 8, i32 12, i32 12, i32 12, i32 12>
   ret <16 x i16> %shuffle
@@ -1258,10 +1115,7 @@ define <16 x i16> @shuffle_v16i16_00_uu_uu_00_00_00_00_00_08_08_uu_uu_08_08_14_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_uu_uu_00_00_00_00_00_08_08_uu_uu_08_08_14_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshufb {{.*}} # xmm1 = xmm0[0,1,2,3,4,5,0,1,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshufb {{.*}} # xmm0 = xmm0[0,1,0,1,4,5,6,7,0,1,0,1,12,13,0,1]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,u,u,u,u,0,1,0,1,0,1,0,1,0,1,16,17,16,17,u,u,u,u,16,17,16,17,28,29,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 undef, i32 undef, i32 0, i32 0, i32 0, i32 0, i32 0, i32 8, i32 8, i32 undef, i32 undef, i32 8, i32 8, i32 14, i32 8>
   ret <16 x i16> %shuffle
@@ -1278,10 +1132,7 @@ define <16 x i16> @shuffle_v16i16_07_uu_00_00_00_00_00_00_08_08_uu_uu_08_08_08_1
 ;
 ; AVX2-LABEL: @shuffle_v16i16_07_uu_00_00_00_00_00_00_08_08_uu_uu_08_08_08_15
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshufb {{.*}} # xmm1 = xmm0[14,15,2,3,0,1,0,1,0,1,0,1,0,1,0,1]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshufb {{.*}} # xmm0 = xmm0[0,1,0,1,4,5,6,7,0,1,0,1,0,1,14,15]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[14,15,u,u,0,1,0,1,0,1,0,1,0,1,0,1,16,17,16,17,u,u,u,u,16,17,16,17,16,17,30,31]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 7, i32 undef, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 8, i32 8, i32 undef, i32 undef, i32 8, i32 8, i32 8, i32 15>
   ret <16 x i16> %shuffle
@@ -1299,11 +1150,7 @@ define <16 x i16> @shuffle_v16i16_00_uu_uu_02_04_04_uu_06_14_14_uu_12_10_10_08_0
 ;
 ; AVX2-LABEL: @shuffle_v16i16_00_uu_uu_02_04_04_uu_06_14_14_uu_12_10_10_08_08
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm1 = xmm0[0,1,2,2,4,5,6,7]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm1 = xmm1[0,1,2,3,4,4,6,6]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshufb {{.*}} # xmm0 = xmm0[12,13,12,13,12,13,8,9,4,5,4,5,0,1,0,1]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[0,1,u,u,u,u,4,5,8,9,8,9,u,u,12,13,28,29,28,29,u,u,24,25,20,21,20,21,16,17,16,17]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 undef, i32 undef, i32 2, i32 4, i32 4, i32 undef, i32 6, i32 14, i32 14, i32 undef, i32 12, i32 10, i32 10, i32 8, i32 8>
   ret <16 x i16> %shuffle
@@ -1322,12 +1169,7 @@ define <16 x i16> @shuffle_v16i16_04_04_04_04_uu_uu_uu_uu_08_08_08_uu_uu_12_12_1
 ;
 ; AVX2-LABEL: @shuffle_v16i16_04_04_04_04_uu_uu_uu_uu_08_08_08_uu_uu_12_12_12
 ; AVX2:       # BB#0:
-; AVX2-NEXT:    vpshufd {{.*}} # xmm1 = xmm0[2,1,2,3]
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm1 = xmm1[0,0,0,0,4,5,6,7]
-; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX2-NEXT:    vpshuflw {{.*}} # xmm0 = xmm0[0,0,0,3,4,5,6,7]
-; AVX2-NEXT:    vpshufhw {{.*}} # xmm0 = xmm0[0,1,2,3,4,4,4,4]
-; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpshufb {{.*}} # ymm0 = ymm0[8,9,8,9,8,9,8,9,u,u,u,u,u,u,u,u,16,17,16,17,16,17,u,u,u,u,24,25,24,25,24,25]
 ; AVX2-NEXT:    retq
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 4, i32 4, i32 4, i32 4, i32 undef, i32 undef, i32 undef, i32 undef, i32 8, i32 8, i32 8, i32 undef, i32 undef, i32 12, i32 12, i32 12>
   ret <16 x i16> %shuffle