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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=SSE,SSE23; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefixes=SSE,SSE424; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefixes=AVX,AVX15; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=AVX,AVX2-SLOW6; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2,+fast-variable-crosslane-shuffle,+fast-variable-perlane-shuffle | FileCheck %s --check-prefixes=AVX,AVX2-FAST7; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2,+fast-variable-perlane-shuffle | FileCheck %s --check-prefixes=AVX,AVX2-FAST8; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefixes=AVX512,AVX512F9; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512vl,+fast-variable-crosslane-shuffle,+fast-variable-perlane-shuffle | FileCheck %s --check-prefixes=AVX512,AVX512VL10; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512vl,+fast-variable-perlane-shuffle | FileCheck %s --check-prefixes=AVX512,AVX512VL11; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,+fast-variable-crosslane-shuffle,+fast-variable-perlane-shuffle | FileCheck %s --check-prefixes=AVX512,AVX512BW12; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,+fast-variable-perlane-shuffle | FileCheck %s --check-prefixes=AVX512,AVX512BW13; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,+avx512vl,+fast-variable-crosslane-shuffle,+fast-variable-perlane-shuffle | FileCheck %s --check-prefixes=AVX512,AVX512BWVL14; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw,+avx512vl,+fast-variable-perlane-shuffle | FileCheck %s --check-prefixes=AVX512,AVX512BWVL15 16define void @shuffle_v16i8_to_v8i8_1(ptr %L, ptr %S) nounwind {17; SSE2-LABEL: shuffle_v16i8_to_v8i8_1:18; SSE2: # %bb.0:19; SSE2-NEXT: movdqa (%rdi), %xmm020; SSE2-NEXT: psrlw $8, %xmm021; SSE2-NEXT: packuswb %xmm0, %xmm022; SSE2-NEXT: movq %xmm0, (%rsi)23; SSE2-NEXT: retq24;25; SSE42-LABEL: shuffle_v16i8_to_v8i8_1:26; SSE42: # %bb.0:27; SSE42-NEXT: movdqa (%rdi), %xmm028; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[1,3,5,7,9,11,13,15,u,u,u,u,u,u,u,u]29; SSE42-NEXT: movq %xmm0, (%rsi)30; SSE42-NEXT: retq31;32; AVX-LABEL: shuffle_v16i8_to_v8i8_1:33; AVX: # %bb.0:34; AVX-NEXT: vmovdqa (%rdi), %xmm035; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[1,3,5,7,9,11,13,15,u,u,u,u,u,u,u,u]36; AVX-NEXT: vmovq %xmm0, (%rsi)37; AVX-NEXT: retq38;39; AVX512-LABEL: shuffle_v16i8_to_v8i8_1:40; AVX512: # %bb.0:41; AVX512-NEXT: vmovdqa (%rdi), %xmm042; AVX512-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[1,3,5,7,9,11,13,15,u,u,u,u,u,u,u,u]43; AVX512-NEXT: vmovq %xmm0, (%rsi)44; AVX512-NEXT: retq45 %vec = load <16 x i8>, ptr %L46 %strided.vec = shufflevector <16 x i8> %vec, <16 x i8> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>47 store <8 x i8> %strided.vec, ptr %S48 ret void49}50 51define void @shuffle_v8i16_to_v4i16_1(ptr %L, ptr %S) nounwind {52; SSE2-LABEL: shuffle_v8i16_to_v4i16_1:53; SSE2: # %bb.0:54; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = mem[3,1,2,3,4,5,6,7]55; SSE2-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,5,6,7]56; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]57; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[1,0,3,2,4,5,6,7]58; SSE2-NEXT: movq %xmm0, (%rsi)59; SSE2-NEXT: retq60;61; SSE42-LABEL: shuffle_v8i16_to_v4i16_1:62; SSE42: # %bb.0:63; SSE42-NEXT: movdqa (%rdi), %xmm064; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[2,3,6,7,10,11,14,15,u,u,u,u,u,u,u,u]65; SSE42-NEXT: movq %xmm0, (%rsi)66; SSE42-NEXT: retq67;68; AVX-LABEL: shuffle_v8i16_to_v4i16_1:69; AVX: # %bb.0:70; AVX-NEXT: vmovdqa (%rdi), %xmm071; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[2,3,6,7,10,11,14,15,u,u,u,u,u,u,u,u]72; AVX-NEXT: vmovq %xmm0, (%rsi)73; AVX-NEXT: retq74;75; AVX512-LABEL: shuffle_v8i16_to_v4i16_1:76; AVX512: # %bb.0:77; AVX512-NEXT: vmovdqa (%rdi), %xmm078; AVX512-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[2,3,6,7,10,11,14,15,u,u,u,u,u,u,u,u]79; AVX512-NEXT: vmovq %xmm0, (%rsi)80; AVX512-NEXT: retq81 %vec = load <8 x i16>, ptr %L82 %strided.vec = shufflevector <8 x i16> %vec, <8 x i16> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>83 store <4 x i16> %strided.vec, ptr %S84 ret void85}86 87define void @shuffle_v4i32_to_v2i32_1(ptr %L, ptr %S) nounwind {88; SSE-LABEL: shuffle_v4i32_to_v2i32_1:89; SSE: # %bb.0:90; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[1,3,2,3]91; SSE-NEXT: movq %xmm0, (%rsi)92; SSE-NEXT: retq93;94; AVX-LABEL: shuffle_v4i32_to_v2i32_1:95; AVX: # %bb.0:96; AVX-NEXT: vpermilps {{.*#+}} xmm0 = mem[1,3,2,3]97; AVX-NEXT: vmovlps %xmm0, (%rsi)98; AVX-NEXT: retq99;100; AVX512-LABEL: shuffle_v4i32_to_v2i32_1:101; AVX512: # %bb.0:102; AVX512-NEXT: vpermilps {{.*#+}} xmm0 = mem[1,3,2,3]103; AVX512-NEXT: vmovlps %xmm0, (%rsi)104; AVX512-NEXT: retq105 %vec = load <4 x i32>, ptr %L106 %strided.vec = shufflevector <4 x i32> %vec, <4 x i32> undef, <2 x i32> <i32 1, i32 3>107 store <2 x i32> %strided.vec, ptr %S108 ret void109}110 111define void @shuffle_v16i8_to_v4i8_1(ptr %L, ptr %S) nounwind {112; SSE2-LABEL: shuffle_v16i8_to_v4i8_1:113; SSE2: # %bb.0:114; SSE2-NEXT: movdqa (%rdi), %xmm0115; SSE2-NEXT: pxor %xmm1, %xmm1116; SSE2-NEXT: movdqa %xmm0, %xmm2117; SSE2-NEXT: punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]118; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3]119; SSE2-NEXT: pshuflw {{.*#+}} xmm2 = xmm2[1,3,2,3,4,5,6,7]120; SSE2-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]121; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]122; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[1,3,2,3,4,5,6,7]123; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]124; SSE2-NEXT: packuswb %xmm0, %xmm0125; SSE2-NEXT: movd %xmm0, (%rsi)126; SSE2-NEXT: retq127;128; SSE42-LABEL: shuffle_v16i8_to_v4i8_1:129; SSE42: # %bb.0:130; SSE42-NEXT: movdqa (%rdi), %xmm0131; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[1,5,9,13,u,u,u,u,u,u,u,u,u,u,u,u]132; SSE42-NEXT: movd %xmm0, (%rsi)133; SSE42-NEXT: retq134;135; AVX-LABEL: shuffle_v16i8_to_v4i8_1:136; AVX: # %bb.0:137; AVX-NEXT: vmovdqa (%rdi), %xmm0138; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[1,5,9,13,u,u,u,u,u,u,u,u,u,u,u,u]139; AVX-NEXT: vmovd %xmm0, (%rsi)140; AVX-NEXT: retq141;142; AVX512-LABEL: shuffle_v16i8_to_v4i8_1:143; AVX512: # %bb.0:144; AVX512-NEXT: vmovdqa (%rdi), %xmm0145; AVX512-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[1,5,9,13,u,u,u,u,u,u,u,u,u,u,u,u]146; AVX512-NEXT: vmovd %xmm0, (%rsi)147; AVX512-NEXT: retq148 %vec = load <16 x i8>, ptr %L149 %strided.vec = shufflevector <16 x i8> %vec, <16 x i8> undef, <4 x i32> <i32 1, i32 5, i32 9, i32 13>150 store <4 x i8> %strided.vec, ptr %S151 ret void152}153 154define void @shuffle_v16i8_to_v4i8_2(ptr %L, ptr %S) nounwind {155; SSE2-LABEL: shuffle_v16i8_to_v4i8_2:156; SSE2: # %bb.0:157; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = mem[3,1,2,3,4,5,6,7]158; SSE2-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,5,6,7]159; SSE2-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0160; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]161; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[1,0,3,2,4,5,6,7]162; SSE2-NEXT: packuswb %xmm0, %xmm0163; SSE2-NEXT: movd %xmm0, (%rsi)164; SSE2-NEXT: retq165;166; SSE42-LABEL: shuffle_v16i8_to_v4i8_2:167; SSE42: # %bb.0:168; SSE42-NEXT: movdqa (%rdi), %xmm0169; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[2,6,10,14,u,u,u,u,u,u,u,u,u,u,u,u]170; SSE42-NEXT: movd %xmm0, (%rsi)171; SSE42-NEXT: retq172;173; AVX-LABEL: shuffle_v16i8_to_v4i8_2:174; AVX: # %bb.0:175; AVX-NEXT: vmovdqa (%rdi), %xmm0176; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[2,6,10,14,u,u,u,u,u,u,u,u,u,u,u,u]177; AVX-NEXT: vmovd %xmm0, (%rsi)178; AVX-NEXT: retq179;180; AVX512-LABEL: shuffle_v16i8_to_v4i8_2:181; AVX512: # %bb.0:182; AVX512-NEXT: vmovdqa (%rdi), %xmm0183; AVX512-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[2,6,10,14,u,u,u,u,u,u,u,u,u,u,u,u]184; AVX512-NEXT: vmovd %xmm0, (%rsi)185; AVX512-NEXT: retq186 %vec = load <16 x i8>, ptr %L187 %strided.vec = shufflevector <16 x i8> %vec, <16 x i8> undef, <4 x i32> <i32 2, i32 6, i32 10, i32 14>188 store <4 x i8> %strided.vec, ptr %S189 ret void190}191 192define void @shuffle_v16i8_to_v4i8_3(ptr %L, ptr %S) nounwind {193; SSE2-LABEL: shuffle_v16i8_to_v4i8_3:194; SSE2: # %bb.0:195; SSE2-NEXT: movdqa (%rdi), %xmm0196; SSE2-NEXT: pxor %xmm1, %xmm1197; SSE2-NEXT: movdqa %xmm0, %xmm2198; SSE2-NEXT: punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]199; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[3,1,2,3]200; SSE2-NEXT: pshuflw {{.*#+}} xmm2 = xmm2[3,1,2,3,4,5,6,7]201; SSE2-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]202; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[3,1,2,3]203; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[3,1,2,3,4,5,6,7]204; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]205; SSE2-NEXT: packuswb %xmm0, %xmm0206; SSE2-NEXT: movd %xmm0, (%rsi)207; SSE2-NEXT: retq208;209; SSE42-LABEL: shuffle_v16i8_to_v4i8_3:210; SSE42: # %bb.0:211; SSE42-NEXT: movdqa (%rdi), %xmm0212; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[3,7,11,15,u,u,u,u,u,u,u,u,u,u,u,u]213; SSE42-NEXT: movd %xmm0, (%rsi)214; SSE42-NEXT: retq215;216; AVX-LABEL: shuffle_v16i8_to_v4i8_3:217; AVX: # %bb.0:218; AVX-NEXT: vmovdqa (%rdi), %xmm0219; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[3,7,11,15,u,u,u,u,u,u,u,u,u,u,u,u]220; AVX-NEXT: vmovd %xmm0, (%rsi)221; AVX-NEXT: retq222;223; AVX512-LABEL: shuffle_v16i8_to_v4i8_3:224; AVX512: # %bb.0:225; AVX512-NEXT: vmovdqa (%rdi), %xmm0226; AVX512-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[3,7,11,15,u,u,u,u,u,u,u,u,u,u,u,u]227; AVX512-NEXT: vmovd %xmm0, (%rsi)228; AVX512-NEXT: retq229 %vec = load <16 x i8>, ptr %L230 %strided.vec = shufflevector <16 x i8> %vec, <16 x i8> undef, <4 x i32> <i32 3, i32 7, i32 11, i32 15>231 store <4 x i8> %strided.vec, ptr %S232 ret void233}234 235define void @shuffle_v8i16_to_v2i16_1(ptr %L, ptr %S) nounwind {236; SSE-LABEL: shuffle_v8i16_to_v2i16_1:237; SSE: # %bb.0:238; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[0,2,2,3]239; SSE-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[1,3,2,3,4,5,6,7]240; SSE-NEXT: movd %xmm0, (%rsi)241; SSE-NEXT: retq242;243; AVX1-LABEL: shuffle_v8i16_to_v2i16_1:244; AVX1: # %bb.0:245; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = mem[0,2,2,3]246; AVX1-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[1,3,2,3,4,5,6,7]247; AVX1-NEXT: vmovd %xmm0, (%rsi)248; AVX1-NEXT: retq249;250; AVX2-SLOW-LABEL: shuffle_v8i16_to_v2i16_1:251; AVX2-SLOW: # %bb.0:252; AVX2-SLOW-NEXT: vpshufd {{.*#+}} xmm0 = mem[0,2,2,3]253; AVX2-SLOW-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[1,3,2,3,4,5,6,7]254; AVX2-SLOW-NEXT: vmovd %xmm0, (%rsi)255; AVX2-SLOW-NEXT: retq256;257; AVX2-FAST-LABEL: shuffle_v8i16_to_v2i16_1:258; AVX2-FAST: # %bb.0:259; AVX2-FAST-NEXT: vmovdqa (%rdi), %xmm0260; AVX2-FAST-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[2,3,10,11,u,u,u,u,u,u,u,u,u,u,u,u]261; AVX2-FAST-NEXT: vmovd %xmm0, (%rsi)262; AVX2-FAST-NEXT: retq263;264; AVX512F-LABEL: shuffle_v8i16_to_v2i16_1:265; AVX512F: # %bb.0:266; AVX512F-NEXT: vpshufd {{.*#+}} xmm0 = mem[0,2,2,3]267; AVX512F-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[1,3,2,3,4,5,6,7]268; AVX512F-NEXT: vmovd %xmm0, (%rsi)269; AVX512F-NEXT: retq270;271; AVX512VL-LABEL: shuffle_v8i16_to_v2i16_1:272; AVX512VL: # %bb.0:273; AVX512VL-NEXT: vmovdqa (%rdi), %xmm0274; AVX512VL-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[2,3,10,11,u,u,u,u,u,u,u,u,u,u,u,u]275; AVX512VL-NEXT: vmovd %xmm0, (%rsi)276; AVX512VL-NEXT: retq277;278; AVX512BW-LABEL: shuffle_v8i16_to_v2i16_1:279; AVX512BW: # %bb.0:280; AVX512BW-NEXT: vmovdqa (%rdi), %xmm0281; AVX512BW-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[2,3,10,11,u,u,u,u,u,u,u,u,u,u,u,u]282; AVX512BW-NEXT: vmovd %xmm0, (%rsi)283; AVX512BW-NEXT: retq284;285; AVX512BWVL-LABEL: shuffle_v8i16_to_v2i16_1:286; AVX512BWVL: # %bb.0:287; AVX512BWVL-NEXT: vmovdqa (%rdi), %xmm0288; AVX512BWVL-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[2,3,10,11,u,u,u,u,u,u,u,u,u,u,u,u]289; AVX512BWVL-NEXT: vmovd %xmm0, (%rsi)290; AVX512BWVL-NEXT: retq291 %vec = load <8 x i16>, ptr %L292 %strided.vec = shufflevector <8 x i16> %vec, <8 x i16> undef, <2 x i32> <i32 1, i32 5>293 store <2 x i16> %strided.vec, ptr %S294 ret void295}296 297define void @shuffle_v8i16_to_v2i16_2(ptr %L, ptr %S) nounwind {298; SSE-LABEL: shuffle_v8i16_to_v2i16_2:299; SSE: # %bb.0:300; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[3,1,2,3]301; SSE-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[2,0,2,3,4,5,6,7]302; SSE-NEXT: movd %xmm0, (%rsi)303; SSE-NEXT: retq304;305; AVX1-LABEL: shuffle_v8i16_to_v2i16_2:306; AVX1: # %bb.0:307; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = mem[3,1,2,3]308; AVX1-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[2,0,2,3,4,5,6,7]309; AVX1-NEXT: vmovd %xmm0, (%rsi)310; AVX1-NEXT: retq311;312; AVX2-SLOW-LABEL: shuffle_v8i16_to_v2i16_2:313; AVX2-SLOW: # %bb.0:314; AVX2-SLOW-NEXT: vpshufd {{.*#+}} xmm0 = mem[3,1,2,3]315; AVX2-SLOW-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[2,0,2,3,4,5,6,7]316; AVX2-SLOW-NEXT: vmovd %xmm0, (%rsi)317; AVX2-SLOW-NEXT: retq318;319; AVX2-FAST-LABEL: shuffle_v8i16_to_v2i16_2:320; AVX2-FAST: # %bb.0:321; AVX2-FAST-NEXT: vmovdqa (%rdi), %xmm0322; AVX2-FAST-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[4,5,12,13,u,u,u,u,u,u,u,u,u,u,u,u]323; AVX2-FAST-NEXT: vmovd %xmm0, (%rsi)324; AVX2-FAST-NEXT: retq325;326; AVX512F-LABEL: shuffle_v8i16_to_v2i16_2:327; AVX512F: # %bb.0:328; AVX512F-NEXT: vpshufd {{.*#+}} xmm0 = mem[3,1,2,3]329; AVX512F-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[2,0,2,3,4,5,6,7]330; AVX512F-NEXT: vmovd %xmm0, (%rsi)331; AVX512F-NEXT: retq332;333; AVX512VL-LABEL: shuffle_v8i16_to_v2i16_2:334; AVX512VL: # %bb.0:335; AVX512VL-NEXT: vmovdqa (%rdi), %xmm0336; AVX512VL-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[4,5,12,13,u,u,u,u,u,u,u,u,u,u,u,u]337; AVX512VL-NEXT: vmovd %xmm0, (%rsi)338; AVX512VL-NEXT: retq339;340; AVX512BW-LABEL: shuffle_v8i16_to_v2i16_2:341; AVX512BW: # %bb.0:342; AVX512BW-NEXT: vmovdqa (%rdi), %xmm0343; AVX512BW-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[4,5,12,13,u,u,u,u,u,u,u,u,u,u,u,u]344; AVX512BW-NEXT: vmovd %xmm0, (%rsi)345; AVX512BW-NEXT: retq346;347; AVX512BWVL-LABEL: shuffle_v8i16_to_v2i16_2:348; AVX512BWVL: # %bb.0:349; AVX512BWVL-NEXT: vmovdqa (%rdi), %xmm0350; AVX512BWVL-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[4,5,12,13,u,u,u,u,u,u,u,u,u,u,u,u]351; AVX512BWVL-NEXT: vmovd %xmm0, (%rsi)352; AVX512BWVL-NEXT: retq353 %vec = load <8 x i16>, ptr %L354 %strided.vec = shufflevector <8 x i16> %vec, <8 x i16> undef, <2 x i32> <i32 2, i32 6>355 store <2 x i16> %strided.vec, ptr %S356 ret void357}358 359define void @shuffle_v8i16_to_v2i16_3(ptr %L, ptr %S) nounwind {360; SSE-LABEL: shuffle_v8i16_to_v2i16_3:361; SSE: # %bb.0:362; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[3,1,2,3]363; SSE-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[3,1,2,3,4,5,6,7]364; SSE-NEXT: movd %xmm0, (%rsi)365; SSE-NEXT: retq366;367; AVX1-LABEL: shuffle_v8i16_to_v2i16_3:368; AVX1: # %bb.0:369; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = mem[3,1,2,3]370; AVX1-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[3,1,2,3,4,5,6,7]371; AVX1-NEXT: vmovd %xmm0, (%rsi)372; AVX1-NEXT: retq373;374; AVX2-SLOW-LABEL: shuffle_v8i16_to_v2i16_3:375; AVX2-SLOW: # %bb.0:376; AVX2-SLOW-NEXT: vpshufd {{.*#+}} xmm0 = mem[3,1,2,3]377; AVX2-SLOW-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[3,1,2,3,4,5,6,7]378; AVX2-SLOW-NEXT: vmovd %xmm0, (%rsi)379; AVX2-SLOW-NEXT: retq380;381; AVX2-FAST-LABEL: shuffle_v8i16_to_v2i16_3:382; AVX2-FAST: # %bb.0:383; AVX2-FAST-NEXT: vmovdqa (%rdi), %xmm0384; AVX2-FAST-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[6,7,14,15,u,u,u,u,u,u,u,u,u,u,u,u]385; AVX2-FAST-NEXT: vmovd %xmm0, (%rsi)386; AVX2-FAST-NEXT: retq387;388; AVX512F-LABEL: shuffle_v8i16_to_v2i16_3:389; AVX512F: # %bb.0:390; AVX512F-NEXT: vpshufd {{.*#+}} xmm0 = mem[3,1,2,3]391; AVX512F-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[3,1,2,3,4,5,6,7]392; AVX512F-NEXT: vmovd %xmm0, (%rsi)393; AVX512F-NEXT: retq394;395; AVX512VL-LABEL: shuffle_v8i16_to_v2i16_3:396; AVX512VL: # %bb.0:397; AVX512VL-NEXT: vmovdqa (%rdi), %xmm0398; AVX512VL-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[6,7,14,15,u,u,u,u,u,u,u,u,u,u,u,u]399; AVX512VL-NEXT: vmovd %xmm0, (%rsi)400; AVX512VL-NEXT: retq401;402; AVX512BW-LABEL: shuffle_v8i16_to_v2i16_3:403; AVX512BW: # %bb.0:404; AVX512BW-NEXT: vmovdqa (%rdi), %xmm0405; AVX512BW-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[6,7,14,15,u,u,u,u,u,u,u,u,u,u,u,u]406; AVX512BW-NEXT: vmovd %xmm0, (%rsi)407; AVX512BW-NEXT: retq408;409; AVX512BWVL-LABEL: shuffle_v8i16_to_v2i16_3:410; AVX512BWVL: # %bb.0:411; AVX512BWVL-NEXT: vmovdqa (%rdi), %xmm0412; AVX512BWVL-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[6,7,14,15,u,u,u,u,u,u,u,u,u,u,u,u]413; AVX512BWVL-NEXT: vmovd %xmm0, (%rsi)414; AVX512BWVL-NEXT: retq415 %vec = load <8 x i16>, ptr %L416 %strided.vec = shufflevector <8 x i16> %vec, <8 x i16> undef, <2 x i32> <i32 3, i32 7>417 store <2 x i16> %strided.vec, ptr %S418 ret void419}420 421define void @shuffle_v16i8_to_v2i8_1(ptr %L, ptr %S) nounwind {422; SSE2-LABEL: shuffle_v16i8_to_v2i8_1:423; SSE2: # %bb.0:424; SSE2-NEXT: movdqa (%rdi), %xmm0425; SSE2-NEXT: pxor %xmm1, %xmm1426; SSE2-NEXT: movdqa %xmm0, %xmm2427; SSE2-NEXT: punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]428; SSE2-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]429; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3]430; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]431; SSE2-NEXT: packuswb %xmm0, %xmm0432; SSE2-NEXT: movd %xmm0, %eax433; SSE2-NEXT: movw %ax, (%rsi)434; SSE2-NEXT: retq435;436; SSE42-LABEL: shuffle_v16i8_to_v2i8_1:437; SSE42: # %bb.0:438; SSE42-NEXT: movdqa (%rdi), %xmm0439; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[1,9,u,u,u,u,u,u,u,u,u,u,u,u,u,u]440; SSE42-NEXT: pextrw $0, %xmm0, (%rsi)441; SSE42-NEXT: retq442;443; AVX-LABEL: shuffle_v16i8_to_v2i8_1:444; AVX: # %bb.0:445; AVX-NEXT: vmovdqa (%rdi), %xmm0446; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[1,9,u,u,u,u,u,u,u,u,u,u,u,u,u,u]447; AVX-NEXT: vpextrw $0, %xmm0, (%rsi)448; AVX-NEXT: retq449;450; AVX512-LABEL: shuffle_v16i8_to_v2i8_1:451; AVX512: # %bb.0:452; AVX512-NEXT: vmovdqa (%rdi), %xmm0453; AVX512-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[1,9,u,u,u,u,u,u,u,u,u,u,u,u,u,u]454; AVX512-NEXT: vpextrw $0, %xmm0, (%rsi)455; AVX512-NEXT: retq456 %vec = load <16 x i8>, ptr %L457 %strided.vec = shufflevector <16 x i8> %vec, <16 x i8> undef, <2 x i32> <i32 1, i32 9>458 store <2 x i8> %strided.vec, ptr %S459 ret void460}461 462define void @shuffle_v16i8_to_v2i8_2(ptr %L, ptr %S) nounwind {463; SSE2-LABEL: shuffle_v16i8_to_v2i8_2:464; SSE2: # %bb.0:465; SSE2-NEXT: pshufd {{.*#+}} xmm0 = mem[0,2,2,3]466; SSE2-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0467; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[1,3,2,3,4,5,6,7]468; SSE2-NEXT: packuswb %xmm0, %xmm0469; SSE2-NEXT: movd %xmm0, %eax470; SSE2-NEXT: movw %ax, (%rsi)471; SSE2-NEXT: retq472;473; SSE42-LABEL: shuffle_v16i8_to_v2i8_2:474; SSE42: # %bb.0:475; SSE42-NEXT: movdqa (%rdi), %xmm0476; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[2,10,u,u,u,u,u,u,u,u,u,u,u,u,u,u]477; SSE42-NEXT: pextrw $0, %xmm0, (%rsi)478; SSE42-NEXT: retq479;480; AVX-LABEL: shuffle_v16i8_to_v2i8_2:481; AVX: # %bb.0:482; AVX-NEXT: vmovdqa (%rdi), %xmm0483; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[2,10,u,u,u,u,u,u,u,u,u,u,u,u,u,u]484; AVX-NEXT: vpextrw $0, %xmm0, (%rsi)485; AVX-NEXT: retq486;487; AVX512-LABEL: shuffle_v16i8_to_v2i8_2:488; AVX512: # %bb.0:489; AVX512-NEXT: vmovdqa (%rdi), %xmm0490; AVX512-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[2,10,u,u,u,u,u,u,u,u,u,u,u,u,u,u]491; AVX512-NEXT: vpextrw $0, %xmm0, (%rsi)492; AVX512-NEXT: retq493 %vec = load <16 x i8>, ptr %L494 %strided.vec = shufflevector <16 x i8> %vec, <16 x i8> undef, <2 x i32> <i32 2, i32 10>495 store <2 x i8> %strided.vec, ptr %S496 ret void497}498 499define void @shuffle_v16i8_to_v2i8_3(ptr %L, ptr %S) nounwind {500; SSE2-LABEL: shuffle_v16i8_to_v2i8_3:501; SSE2: # %bb.0:502; SSE2-NEXT: movdqa (%rdi), %xmm0503; SSE2-NEXT: pxor %xmm1, %xmm1504; SSE2-NEXT: movdqa %xmm0, %xmm2505; SSE2-NEXT: punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]506; SSE2-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]507; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3]508; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[3,3,3,3]509; SSE2-NEXT: packuswb %xmm0, %xmm0510; SSE2-NEXT: movd %xmm0, %eax511; SSE2-NEXT: movw %ax, (%rsi)512; SSE2-NEXT: retq513;514; SSE42-LABEL: shuffle_v16i8_to_v2i8_3:515; SSE42: # %bb.0:516; SSE42-NEXT: movdqa (%rdi), %xmm0517; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[3,11,u,u,u,u,u,u,u,u,u,u,u,u,u,u]518; SSE42-NEXT: pextrw $0, %xmm0, (%rsi)519; SSE42-NEXT: retq520;521; AVX-LABEL: shuffle_v16i8_to_v2i8_3:522; AVX: # %bb.0:523; AVX-NEXT: vmovdqa (%rdi), %xmm0524; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[3,11,u,u,u,u,u,u,u,u,u,u,u,u,u,u]525; AVX-NEXT: vpextrw $0, %xmm0, (%rsi)526; AVX-NEXT: retq527;528; AVX512-LABEL: shuffle_v16i8_to_v2i8_3:529; AVX512: # %bb.0:530; AVX512-NEXT: vmovdqa (%rdi), %xmm0531; AVX512-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[3,11,u,u,u,u,u,u,u,u,u,u,u,u,u,u]532; AVX512-NEXT: vpextrw $0, %xmm0, (%rsi)533; AVX512-NEXT: retq534 %vec = load <16 x i8>, ptr %L535 %strided.vec = shufflevector <16 x i8> %vec, <16 x i8> undef, <2 x i32> <i32 3, i32 11>536 store <2 x i8> %strided.vec, ptr %S537 ret void538}539 540define void @shuffle_v16i8_to_v2i8_4(ptr %L, ptr %S) nounwind {541; SSE2-LABEL: shuffle_v16i8_to_v2i8_4:542; SSE2: # %bb.0:543; SSE2-NEXT: pshufd {{.*#+}} xmm0 = mem[3,1,2,3]544; SSE2-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0545; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[2,0,2,3,4,5,6,7]546; SSE2-NEXT: packuswb %xmm0, %xmm0547; SSE2-NEXT: movd %xmm0, %eax548; SSE2-NEXT: movw %ax, (%rsi)549; SSE2-NEXT: retq550;551; SSE42-LABEL: shuffle_v16i8_to_v2i8_4:552; SSE42: # %bb.0:553; SSE42-NEXT: movdqa (%rdi), %xmm0554; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[4,12,u,u,u,u,u,u,u,u,u,u,u,u,u,u]555; SSE42-NEXT: pextrw $0, %xmm0, (%rsi)556; SSE42-NEXT: retq557;558; AVX-LABEL: shuffle_v16i8_to_v2i8_4:559; AVX: # %bb.0:560; AVX-NEXT: vmovdqa (%rdi), %xmm0561; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[4,12,u,u,u,u,u,u,u,u,u,u,u,u,u,u]562; AVX-NEXT: vpextrw $0, %xmm0, (%rsi)563; AVX-NEXT: retq564;565; AVX512-LABEL: shuffle_v16i8_to_v2i8_4:566; AVX512: # %bb.0:567; AVX512-NEXT: vmovdqa (%rdi), %xmm0568; AVX512-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[4,12,u,u,u,u,u,u,u,u,u,u,u,u,u,u]569; AVX512-NEXT: vpextrw $0, %xmm0, (%rsi)570; AVX512-NEXT: retq571 %vec = load <16 x i8>, ptr %L572 %strided.vec = shufflevector <16 x i8> %vec, <16 x i8> undef, <2 x i32> <i32 4, i32 12>573 store <2 x i8> %strided.vec, ptr %S574 ret void575}576 577define void @shuffle_v16i8_to_v2i8_5(ptr %L, ptr %S) nounwind {578; SSE2-LABEL: shuffle_v16i8_to_v2i8_5:579; SSE2: # %bb.0:580; SSE2-NEXT: movdqa (%rdi), %xmm0581; SSE2-NEXT: pxor %xmm1, %xmm1582; SSE2-NEXT: movdqa %xmm0, %xmm2583; SSE2-NEXT: punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]584; SSE2-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]585; SSE2-NEXT: punpckhwd {{.*#+}} xmm0 = xmm0[4],xmm2[4],xmm0[5],xmm2[5],xmm0[6],xmm2[6],xmm0[7],xmm2[7]586; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]587; SSE2-NEXT: packuswb %xmm0, %xmm0588; SSE2-NEXT: movd %xmm0, %eax589; SSE2-NEXT: movw %ax, (%rsi)590; SSE2-NEXT: retq591;592; SSE42-LABEL: shuffle_v16i8_to_v2i8_5:593; SSE42: # %bb.0:594; SSE42-NEXT: movdqa (%rdi), %xmm0595; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[5,13,u,u,u,u,u,u,u,u,u,u,u,u,u,u]596; SSE42-NEXT: pextrw $0, %xmm0, (%rsi)597; SSE42-NEXT: retq598;599; AVX-LABEL: shuffle_v16i8_to_v2i8_5:600; AVX: # %bb.0:601; AVX-NEXT: vmovdqa (%rdi), %xmm0602; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[5,13,u,u,u,u,u,u,u,u,u,u,u,u,u,u]603; AVX-NEXT: vpextrw $0, %xmm0, (%rsi)604; AVX-NEXT: retq605;606; AVX512-LABEL: shuffle_v16i8_to_v2i8_5:607; AVX512: # %bb.0:608; AVX512-NEXT: vmovdqa (%rdi), %xmm0609; AVX512-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[5,13,u,u,u,u,u,u,u,u,u,u,u,u,u,u]610; AVX512-NEXT: vpextrw $0, %xmm0, (%rsi)611; AVX512-NEXT: retq612 %vec = load <16 x i8>, ptr %L613 %strided.vec = shufflevector <16 x i8> %vec, <16 x i8> undef, <2 x i32> <i32 5, i32 13>614 store <2 x i8> %strided.vec, ptr %S615 ret void616}617 618define void @shuffle_v16i8_to_v2i8_6(ptr %L, ptr %S) nounwind {619; SSE2-LABEL: shuffle_v16i8_to_v2i8_6:620; SSE2: # %bb.0:621; SSE2-NEXT: pshufd {{.*#+}} xmm0 = mem[3,1,2,3]622; SSE2-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0623; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[3,1,2,3,4,5,6,7]624; SSE2-NEXT: packuswb %xmm0, %xmm0625; SSE2-NEXT: movd %xmm0, %eax626; SSE2-NEXT: movw %ax, (%rsi)627; SSE2-NEXT: retq628;629; SSE42-LABEL: shuffle_v16i8_to_v2i8_6:630; SSE42: # %bb.0:631; SSE42-NEXT: movdqa (%rdi), %xmm0632; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[6,14,u,u,u,u,u,u,u,u,u,u,u,u,u,u]633; SSE42-NEXT: pextrw $0, %xmm0, (%rsi)634; SSE42-NEXT: retq635;636; AVX-LABEL: shuffle_v16i8_to_v2i8_6:637; AVX: # %bb.0:638; AVX-NEXT: vmovdqa (%rdi), %xmm0639; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[6,14,u,u,u,u,u,u,u,u,u,u,u,u,u,u]640; AVX-NEXT: vpextrw $0, %xmm0, (%rsi)641; AVX-NEXT: retq642;643; AVX512-LABEL: shuffle_v16i8_to_v2i8_6:644; AVX512: # %bb.0:645; AVX512-NEXT: vmovdqa (%rdi), %xmm0646; AVX512-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[6,14,u,u,u,u,u,u,u,u,u,u,u,u,u,u]647; AVX512-NEXT: vpextrw $0, %xmm0, (%rsi)648; AVX512-NEXT: retq649 %vec = load <16 x i8>, ptr %L650 %strided.vec = shufflevector <16 x i8> %vec, <16 x i8> undef, <2 x i32> <i32 6, i32 14>651 store <2 x i8> %strided.vec, ptr %S652 ret void653}654 655define void @shuffle_v16i8_to_v2i8_7(ptr %L, ptr %S) nounwind {656; SSE2-LABEL: shuffle_v16i8_to_v2i8_7:657; SSE2: # %bb.0:658; SSE2-NEXT: movdqa (%rdi), %xmm0659; SSE2-NEXT: pxor %xmm1, %xmm1660; SSE2-NEXT: movdqa %xmm0, %xmm2661; SSE2-NEXT: punpcklbw {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1],xmm2[2],xmm1[2],xmm2[3],xmm1[3],xmm2[4],xmm1[4],xmm2[5],xmm1[5],xmm2[6],xmm1[6],xmm2[7],xmm1[7]662; SSE2-NEXT: psrlw $8, %xmm0663; SSE2-NEXT: punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7]664; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm2[3,3,3,3]665; SSE2-NEXT: packuswb %xmm0, %xmm0666; SSE2-NEXT: movd %xmm0, %eax667; SSE2-NEXT: movw %ax, (%rsi)668; SSE2-NEXT: retq669;670; SSE42-LABEL: shuffle_v16i8_to_v2i8_7:671; SSE42: # %bb.0:672; SSE42-NEXT: movdqa (%rdi), %xmm0673; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[7,15,u,u,u,u,u,u,u,u,u,u,u,u,u,u]674; SSE42-NEXT: pextrw $0, %xmm0, (%rsi)675; SSE42-NEXT: retq676;677; AVX-LABEL: shuffle_v16i8_to_v2i8_7:678; AVX: # %bb.0:679; AVX-NEXT: vmovdqa (%rdi), %xmm0680; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[7,15,u,u,u,u,u,u,u,u,u,u,u,u,u,u]681; AVX-NEXT: vpextrw $0, %xmm0, (%rsi)682; AVX-NEXT: retq683;684; AVX512-LABEL: shuffle_v16i8_to_v2i8_7:685; AVX512: # %bb.0:686; AVX512-NEXT: vmovdqa (%rdi), %xmm0687; AVX512-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[7,15,u,u,u,u,u,u,u,u,u,u,u,u,u,u]688; AVX512-NEXT: vpextrw $0, %xmm0, (%rsi)689; AVX512-NEXT: retq690 %vec = load <16 x i8>, ptr %L691 %strided.vec = shufflevector <16 x i8> %vec, <16 x i8> undef, <2 x i32> <i32 7, i32 15>692 store <2 x i8> %strided.vec, ptr %S693 ret void694}695 696