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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=instcombine -mtriple=x86_64-unknown-unknown -S | FileCheck %s3 4;5; UNDEF Elts6;7 8define <8 x i16> @undef_pmulh_128(<8 x i16> %a0) {9; CHECK-LABEL: @undef_pmulh_128(10; CHECK-NEXT: ret <8 x i16> zeroinitializer11;12 %1 = call <8 x i16> @llvm.x86.sse2.pmulh.w(<8 x i16> %a0, <8 x i16> undef)13 ret <8 x i16> %114}15 16define <8 x i16> @undef_pmulh_128_commute(<8 x i16> %a0) {17; CHECK-LABEL: @undef_pmulh_128_commute(18; CHECK-NEXT: ret <8 x i16> zeroinitializer19;20 %1 = call <8 x i16> @llvm.x86.sse2.pmulh.w(<8 x i16> undef, <8 x i16> %a0)21 ret <8 x i16> %122}23 24define <16 x i16> @undef_pmulh_256(<16 x i16> %a0) {25; CHECK-LABEL: @undef_pmulh_256(26; CHECK-NEXT: ret <16 x i16> zeroinitializer27;28 %1 = call <16 x i16> @llvm.x86.avx2.pmulh.w(<16 x i16> %a0, <16 x i16> undef)29 ret <16 x i16> %130}31 32define <16 x i16> @undef_pmulh_256_commute(<16 x i16> %a0) {33; CHECK-LABEL: @undef_pmulh_256_commute(34; CHECK-NEXT: ret <16 x i16> zeroinitializer35;36 %1 = call <16 x i16> @llvm.x86.avx2.pmulh.w(<16 x i16> undef, <16 x i16> %a0)37 ret <16 x i16> %138}39 40define <32 x i16> @undef_pmulh_512(<32 x i16> %a0) {41; CHECK-LABEL: @undef_pmulh_512(42; CHECK-NEXT: ret <32 x i16> zeroinitializer43;44 %1 = call <32 x i16> @llvm.x86.avx512.pmulh.w.512(<32 x i16> %a0, <32 x i16> undef)45 ret <32 x i16> %146}47 48define <32 x i16> @undef_pmulh_512_commute(<32 x i16> %a0) {49; CHECK-LABEL: @undef_pmulh_512_commute(50; CHECK-NEXT: ret <32 x i16> zeroinitializer51;52 %1 = call <32 x i16> @llvm.x86.avx512.pmulh.w.512(<32 x i16> undef, <32 x i16> %a0)53 ret <32 x i16> %154}55 56;57; Zero Elts58;59 60define <8 x i16> @zero_pmulh_128(<8 x i16> %a0) {61; CHECK-LABEL: @zero_pmulh_128(62; CHECK-NEXT: ret <8 x i16> zeroinitializer63;64 %1 = call <8 x i16> @llvm.x86.sse2.pmulh.w(<8 x i16> %a0, <8 x i16> zeroinitializer)65 ret <8 x i16> %166}67 68define <8 x i16> @zero_pmulh_128_commute(<8 x i16> %a0) {69; CHECK-LABEL: @zero_pmulh_128_commute(70; CHECK-NEXT: ret <8 x i16> zeroinitializer71;72 %1 = call <8 x i16> @llvm.x86.sse2.pmulh.w(<8 x i16> zeroinitializer, <8 x i16> %a0)73 ret <8 x i16> %174}75 76define <16 x i16> @zero_pmulh_256(<16 x i16> %a0) {77; CHECK-LABEL: @zero_pmulh_256(78; CHECK-NEXT: ret <16 x i16> zeroinitializer79;80 %1 = call <16 x i16> @llvm.x86.avx2.pmulh.w(<16 x i16> %a0, <16 x i16> zeroinitializer)81 ret <16 x i16> %182}83 84define <16 x i16> @zero_pmulh_256_commute(<16 x i16> %a0) {85; CHECK-LABEL: @zero_pmulh_256_commute(86; CHECK-NEXT: ret <16 x i16> zeroinitializer87;88 %1 = call <16 x i16> @llvm.x86.avx2.pmulh.w(<16 x i16> zeroinitializer, <16 x i16> %a0)89 ret <16 x i16> %190}91 92define <32 x i16> @zero_pmulh_512(<32 x i16> %a0) {93; CHECK-LABEL: @zero_pmulh_512(94; CHECK-NEXT: ret <32 x i16> zeroinitializer95;96 %1 = call <32 x i16> @llvm.x86.avx512.pmulh.w.512(<32 x i16> %a0, <32 x i16> zeroinitializer)97 ret <32 x i16> %198}99 100define <32 x i16> @zero_pmulh_512_commute(<32 x i16> %a0) {101; CHECK-LABEL: @zero_pmulh_512_commute(102; CHECK-NEXT: ret <32 x i16> zeroinitializer103;104 %1 = call <32 x i16> @llvm.x86.avx512.pmulh.w.512(<32 x i16> zeroinitializer, <32 x i16> %a0)105 ret <32 x i16> %1106}107 108;109; Multiply by One110;111 112define <8 x i16> @one_pmulh_128(<8 x i16> %a0) {113; CHECK-LABEL: @one_pmulh_128(114; CHECK-NEXT: [[TMP1:%.*]] = ashr <8 x i16> [[A0:%.*]], splat (i16 15)115; CHECK-NEXT: ret <8 x i16> [[TMP1]]116;117 %1 = call <8 x i16> @llvm.x86.sse2.pmulh.w(<8 x i16> %a0, <8 x i16> <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>)118 ret <8 x i16> %1119}120 121define <8 x i16> @one_pmulh_128_commute(<8 x i16> %a0) {122; CHECK-LABEL: @one_pmulh_128_commute(123; CHECK-NEXT: [[TMP1:%.*]] = ashr <8 x i16> [[A0:%.*]], splat (i16 15)124; CHECK-NEXT: ret <8 x i16> [[TMP1]]125;126 %1 = call <8 x i16> @llvm.x86.sse2.pmulh.w(<8 x i16> <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>, <8 x i16> %a0)127 ret <8 x i16> %1128}129 130define <16 x i16> @one_pmulh_256(<16 x i16> %a0) {131; CHECK-LABEL: @one_pmulh_256(132; CHECK-NEXT: [[TMP1:%.*]] = ashr <16 x i16> [[A0:%.*]], splat (i16 15)133; CHECK-NEXT: ret <16 x i16> [[TMP1]]134;135 %1 = call <16 x i16> @llvm.x86.avx2.pmulh.w(<16 x i16> %a0, <16 x i16> <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>)136 ret <16 x i16> %1137}138 139define <16 x i16> @one_pmulh_256_commute(<16 x i16> %a0) {140; CHECK-LABEL: @one_pmulh_256_commute(141; CHECK-NEXT: [[TMP1:%.*]] = ashr <16 x i16> [[A0:%.*]], splat (i16 15)142; CHECK-NEXT: ret <16 x i16> [[TMP1]]143;144 %1 = call <16 x i16> @llvm.x86.avx2.pmulh.w(<16 x i16> <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>, <16 x i16> %a0)145 ret <16 x i16> %1146}147 148define <32 x i16> @one_pmulh_512(<32 x i16> %a0) {149; CHECK-LABEL: @one_pmulh_512(150; CHECK-NEXT: [[TMP1:%.*]] = ashr <32 x i16> [[A0:%.*]], splat (i16 15)151; CHECK-NEXT: ret <32 x i16> [[TMP1]]152;153 %1 = call <32 x i16> @llvm.x86.avx512.pmulh.w.512(<32 x i16> %a0, <32 x i16> <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>)154 ret <32 x i16> %1155}156 157define <32 x i16> @one_pmulh_512_commute(<32 x i16> %a0) {158; CHECK-LABEL: @one_pmulh_512_commute(159; CHECK-NEXT: [[TMP1:%.*]] = ashr <32 x i16> [[A0:%.*]], splat (i16 15)160; CHECK-NEXT: ret <32 x i16> [[TMP1]]161;162 %1 = call <32 x i16> @llvm.x86.avx512.pmulh.w.512(<32 x i16> <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>, <32 x i16> %a0)163 ret <32 x i16> %1164}165 166;167; Constant Folding168;169 170define <8 x i16> @fold_pmulh_128() {171; CHECK-LABEL: @fold_pmulh_128(172; CHECK-NEXT: ret <8 x i16> <i16 0, i16 0, i16 -2, i16 -2, i16 0, i16 -1, i16 -4, i16 -4>173;174 %1 = call <8 x i16> @llvm.x86.sse2.pmulh.w(<8 x i16> <i16 -1, i16 2, i16 3, i16 -4, i16 -5, i16 6, i16 7, i16 -8>, <8 x i16> <i16 -5, i16 7, i16 -32768, i16 32765, i16 -9, i16 -11, i16 -32763, i16 32761>)175 ret <8 x i16> %1176}177 178define <16 x i16> @fold_pmulh_256() {179; CHECK-LABEL: @fold_pmulh_256(180; CHECK-NEXT: ret <16 x i16> <i16 0, i16 -1, i16 -1, i16 1, i16 0, i16 0, i16 -3, i16 3, i16 -1, i16 -1, i16 4, i16 5, i16 -1, i16 -1, i16 6, i16 -8>181;182 %1 = call <16 x i16> @llvm.x86.avx2.pmulh.w(<16 x i16> <i16 0, i16 -1, i16 2, i16 3, i16 -4, i16 -5, i16 6, i16 7, i16 -8, i16 9, i16 -10, i16 11, i16 -12, i16 13, i16 -14, i16 -15>, <16 x i16> <i16 -5, i16 7, i16 -32768, i16 32766, i16 -9, i16 -11, i16 -32764, i16 32762, i16 13, i16 -15, i16 -32760, i16 32758, i16 17, i16 -19, i16 -32756, i16 32756>)183 ret <16 x i16> %1184}185 186define <32 x i16> @fold_pmulh_512() {187; CHECK-LABEL: @fold_pmulh_512(188; CHECK-NEXT: ret <32 x i16> <i16 0, i16 -1, i16 -1, i16 1, i16 0, i16 0, i16 -3, i16 3, i16 -1, i16 -1, i16 4, i16 5, i16 -1, i16 -1, i16 6, i16 -8, i16 0, i16 -1, i16 -1, i16 1, i16 0, i16 0, i16 -3, i16 3, i16 -1, i16 -1, i16 4, i16 5, i16 -1, i16 -1, i16 6, i16 -8>189;190 %1 = call <32 x i16> @llvm.x86.avx512.pmulh.w.512(<32 x i16> <i16 0, i16 -1, i16 2, i16 3, i16 -4, i16 -5, i16 6, i16 7, i16 -8, i16 9, i16 -10, i16 11, i16 -12, i16 13, i16 -14, i16 -15, i16 -5, i16 7, i16 -32768, i16 32766, i16 -9, i16 -11, i16 -32764, i16 32762, i16 13, i16 -15, i16 -32760, i16 32758, i16 17, i16 -19, i16 -32756, i16 32756>, <32 x i16> <i16 -5, i16 7, i16 -32768, i16 32766, i16 -9, i16 -11, i16 -32764, i16 32762, i16 13, i16 -15, i16 -32760, i16 32758, i16 17, i16 -19, i16 -32756, i16 32756, i16 0, i16 -1, i16 2, i16 3, i16 -4, i16 -5, i16 6, i16 7, i16 -8, i16 9, i16 -10, i16 11, i16 -12, i16 13, i16 -14, i16 -15>)191 ret <32 x i16> %1192}193 194;195; Demanded Elts196;197 198define <8 x i16> @elts_pmulh_128(<8 x i16> %a0, <8 x i16> %a1) {199; CHECK-LABEL: @elts_pmulh_128(200; CHECK-NEXT: [[TMP1:%.*]] = call <8 x i16> @llvm.x86.sse2.pmulh.w(<8 x i16> [[A0:%.*]], <8 x i16> [[A1:%.*]])201; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <8 x i16> [[TMP1]], <8 x i16> poison, <8 x i32> zeroinitializer202; CHECK-NEXT: ret <8 x i16> [[TMP2]]203;204 %1 = shufflevector <8 x i16> %a0, <8 x i16> undef, <8 x i32> <i32 0, i32 1, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2>205 %2 = shufflevector <8 x i16> %a1, <8 x i16> undef, <8 x i32> <i32 0, i32 1, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6>206 %3 = call <8 x i16> @llvm.x86.sse2.pmulh.w(<8 x i16> %1, <8 x i16> %2)207 %4 = shufflevector <8 x i16> %3, <8 x i16> poison, <8 x i32> zeroinitializer208 ret <8 x i16> %4209}210 211define <16 x i16> @elts_pmulh_256(<16 x i16> %a0, <16 x i16> %a1) {212; CHECK-LABEL: @elts_pmulh_256(213; CHECK-NEXT: [[TMP1:%.*]] = call <16 x i16> @llvm.x86.avx2.pmulh.w(<16 x i16> [[A0:%.*]], <16 x i16> [[A1:%.*]])214; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <16 x i16> [[TMP1]], <16 x i16> poison, <16 x i32> zeroinitializer215; CHECK-NEXT: ret <16 x i16> [[TMP2]]216;217 %1 = shufflevector <16 x i16> %a0, <16 x i16> undef, <16 x i32> <i32 0, i32 1, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>218 %2 = shufflevector <16 x i16> %a1, <16 x i16> undef, <16 x i32> <i32 0, i32 1, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>219 %3 = call <16 x i16> @llvm.x86.avx2.pmulh.w(<16 x i16> %1, <16 x i16> %2)220 %4 = shufflevector <16 x i16> %3, <16 x i16> poison, <16 x i32> zeroinitializer221 ret <16 x i16> %4222}223 224define <32 x i16> @elts_pmulh_512(<32 x i16> %a0, <32 x i16> %a1) {225; CHECK-LABEL: @elts_pmulh_512(226; CHECK-NEXT: [[TMP1:%.*]] = call <32 x i16> @llvm.x86.avx512.pmulh.w.512(<32 x i16> [[A0:%.*]], <32 x i16> [[A1:%.*]])227; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <32 x i16> [[TMP1]], <32 x i16> poison, <32 x i32> zeroinitializer228; CHECK-NEXT: ret <32 x i16> [[TMP2]]229;230 %1 = shufflevector <32 x i16> %a0, <32 x i16> undef, <32 x i32> <i32 0, i32 1, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>231 %2 = shufflevector <32 x i16> %a1, <32 x i16> undef, <32 x i32> <i32 0, i32 1, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>232 %3 = call <32 x i16> @llvm.x86.avx512.pmulh.w.512(<32 x i16> %1, <32 x i16> %2)233 %4 = shufflevector <32 x i16> %3, <32 x i16> poison, <32 x i32> zeroinitializer234 ret <32 x i16> %4235}236 237;238; Known Bits239;240 241define <8 x i16> @known_pmulh_128(<8 x i16> %a0, <8 x i16> %a1, <8 x i16> %a2) {242; CHECK-LABEL: @known_pmulh_128(243; CHECK-NEXT: ret <8 x i16> [[A2:%.*]]244;245 %x0 = lshr <8 x i16> %a0, <i16 8, i16 9, i16 10, i16 11, i16 12, i16 13, i16 14, i16 15>246 %x1 = and <8 x i16> %a1, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>247 %m = tail call <8 x i16> @llvm.x86.sse2.pmulh.w(<8 x i16> %x0, <8 x i16> %x1)248 %r = add <8 x i16> %m, %a2249 ret <8 x i16> %r250}251 252define <16 x i16> @known_pmulh_256(<16 x i16> %a0, <16 x i16> %a1, <16 x i16> %a2) {253; CHECK-LABEL: @known_pmulh_256(254; CHECK-NEXT: ret <16 x i16> [[A2:%.*]]255;256 %x0 = lshr <16 x i16> %a0, <i16 8, i16 9, i16 10, i16 11, i16 12, i16 13, i16 14, i16 15, i16 8, i16 9, i16 10, i16 11, i16 12, i16 13, i16 14, i16 15>257 %x1 = and <16 x i16> %a1, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>258 %m = tail call <16 x i16> @llvm.x86.avx2.pmulh.w(<16 x i16> %x0, <16 x i16> %x1)259 %r = add <16 x i16> %m, %a2260 ret <16 x i16> %r261}262 263define <32 x i16> @known_pmulh_512(<32 x i16> %a0, <32 x i16> %a1, <32 x i16> %a2) {264; CHECK-LABEL: @known_pmulh_512(265; CHECK-NEXT: ret <32 x i16> [[A2:%.*]]266;267 %x0 = lshr <32 x i16> %a0, <i16 8, i16 9, i16 10, i16 11, i16 12, i16 13, i16 14, i16 15, i16 8, i16 9, i16 10, i16 11, i16 12, i16 13, i16 14, i16 15, i16 8, i16 9, i16 10, i16 11, i16 12, i16 13, i16 14, i16 15, i16 8, i16 9, i16 10, i16 11, i16 12, i16 13, i16 14, i16 15>268 %x1 = and <32 x i16> %a1, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>269 %m = tail call <32 x i16> @llvm.x86.avx512.pmulh.w.512(<32 x i16> %x0, <32 x i16> %x1)270 %r = add <32 x i16> %m, %a2271 ret <32 x i16> %r272}273