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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mattr=+neon | FileCheck %s3 4define <4 x i16> @shuffle1(<4 x i16> %v) {5; CHECK-LABEL: shuffle1:6; CHECK: // %bb.0: // %entry7; CHECK-NEXT: // kill: def $d0 killed $d0 def $q08; CHECK-NEXT: dup v0.2s, v0.s[0]9; CHECK-NEXT: ret10entry:11 %res = shufflevector <4 x i16> %v, <4 x i16> undef, <4 x i32> <i32 0, i32 undef, i32 0, i32 1>12 ret <4 x i16> %res13}14 15define <4 x i16> @shuffle2(<4 x i16> %v) {16; CHECK-LABEL: shuffle2:17; CHECK: // %bb.0: // %entry18; CHECK-NEXT: // kill: def $d0 killed $d0 def $q019; CHECK-NEXT: dup v0.2s, v0.s[1]20; CHECK-NEXT: ret21entry:22 %res = shufflevector <4 x i16> %v, <4 x i16> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 3>23 ret <4 x i16> %res24}25 26define <8 x i16> @shuffle3(<8 x i16> %v) {27; CHECK-LABEL: shuffle3:28; CHECK: // %bb.0: // %entry29; CHECK-NEXT: dup v0.2d, v0.d[0]30; CHECK-NEXT: ret31entry:32 %res = shufflevector <8 x i16> %v, <8 x i16> undef, <8 x i32> <i32 undef, i32 undef, i32 2, i32 3,33 i32 undef, i32 1, i32 undef, i32 3>34 ret <8 x i16> %res35}36 37define <4 x i32> @shuffle4(<4 x i32> %v) {38; CHECK-LABEL: shuffle4:39; CHECK: // %bb.0: // %entry40; CHECK-NEXT: dup v0.2d, v0.d[0]41; CHECK-NEXT: ret42entry:43 %res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 0, i32 1, i32 0, i32 1>44 ret <4 x i32> %res45}46 47define <16 x i8> @shuffle5(<16 x i8> %v) {48; CHECK-LABEL: shuffle5:49; CHECK: // %bb.0: // %entry50; CHECK-NEXT: dup v0.4s, v0.s[2]51; CHECK-NEXT: ret52entry:53 %res = shufflevector <16 x i8> %v, <16 x i8> undef, <16 x i32> <i32 8, i32 9, i32 10, i32 11,54 i32 8, i32 9, i32 10, i32 11,55 i32 8, i32 9, i32 10, i32 11,56 i32 8, i32 9, i32 10, i32 11>57 ret <16 x i8> %res58}59 60define <16 x i8> @shuffle6(<16 x i8> %v) {61; CHECK-LABEL: shuffle6:62; CHECK: // %bb.0: // %entry63; CHECK-NEXT: dup v0.2d, v0.d[1]64; CHECK-NEXT: ret65entry:66 %res = shufflevector <16 x i8> %v, <16 x i8> undef, <16 x i32> <i32 8, i32 9, i32 10, i32 11,67 i32 12, i32 13, i32 14, i32 15,68 i32 8, i32 9, i32 10, i32 11,69 i32 12, i32 13, i32 14, i32 15>70 ret <16 x i8> %res71}72 73define <8 x i8> @shuffle7(<8 x i8> %v) {74; CHECK-LABEL: shuffle7:75; CHECK: // %bb.0: // %entry76; CHECK-NEXT: // kill: def $d0 killed $d0 def $q077; CHECK-NEXT: dup v0.2s, v0.s[1]78; CHECK-NEXT: ret79entry:80 %res = shufflevector <8 x i8> %v, <8 x i8> undef, <8 x i32> <i32 4, i32 5, i32 6, i32 undef,81 i32 undef, i32 5, i32 6, i32 undef>82 ret <8 x i8> %res83}84 85define <8 x i8> @shuffle8(<8 x i8> %v) {86; CHECK-LABEL: shuffle8:87; CHECK: // %bb.0: // %entry88; CHECK-NEXT: // kill: def $d0 killed $d0 def $q089; CHECK-NEXT: dup v0.4h, v0.h[3]90; CHECK-NEXT: ret91entry:92 %res = shufflevector <8 x i8> %v, <8 x i8> undef, <8 x i32> <i32 6, i32 7, i32 6, i32 undef,93 i32 undef, i32 7, i32 6, i32 undef>94 ret <8 x i8> %res95}96 97; No blocks98define <8 x i8> @shuffle_not1(<16 x i8> %v) {99; CHECK-LABEL: shuffle_not1:100; CHECK: // %bb.0:101; CHECK-NEXT: ext v0.16b, v0.16b, v0.16b, #2102; CHECK-NEXT: // kill: def $d0 killed $d0 killed $q0103; CHECK-NEXT: ret104 %res = shufflevector <16 x i8> %v, <16 x i8> undef, <8 x i32> <i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9>105 ret <8 x i8> %res106}107 108; Block is not a proper lane109define <4 x i32> @shuffle_not2(<4 x i32> %v) {110; CHECK-LABEL: shuffle_not2:111; CHECK: // %bb.0: // %entry112; CHECK-NEXT: mov v0.s[3], v0.s[2]113; CHECK-NEXT: uzp2 v0.4s, v0.4s, v0.4s114; CHECK-NEXT: ret115entry:116 %res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 1, i32 2, i32 1, i32 2>117 ret <4 x i32> %res118}119 120; Block size is equal to vector size121define <4 x i16> @shuffle_not3(<4 x i16> %v) {122; CHECK-LABEL: shuffle_not3:123; CHECK: // %bb.0: // %entry124; CHECK-NEXT: ret125entry:126 %res = shufflevector <4 x i16> %v, <4 x i16> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>127 ret <4 x i16> %res128}129 130; Blocks mismatch131define <8 x i8> @shuffle_not4(<8 x i8> %v) {132; CHECK-LABEL: shuffle_not4:133; CHECK: // %bb.0: // %entry134; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0135; CHECK-NEXT: adrp x8, .LCPI11_0136; CHECK-NEXT: mov v0.d[1], v0.d[0]137; CHECK-NEXT: ldr d1, [x8, :lo12:.LCPI11_0]138; CHECK-NEXT: tbl v0.8b, { v0.16b }, v1.8b139; CHECK-NEXT: ret140entry:141 %res = shufflevector <8 x i8> %v, <8 x i8> undef, <8 x i32> <i32 4, i32 5, i32 6, i32 undef,142 i32 undef, i32 5, i32 5, i32 undef>143 ret <8 x i8> %res144}145