44997   SDValue Rdx = DAG.matchBinOpReduction(ExtElt, Opc,  in combineArithReduction()  local
44999   if (!Rdx)  in combineArithReduction()
45007   EVT VecVT = Rdx.getValueType();  in combineArithReduction()
45039       SDValue Lo = getUnpackl(DAG, DL, VecVT, Rdx, DAG.getUNDEF(VecVT));  in combineArithReduction()
45040       SDValue Hi = getUnpackh(DAG, DL, VecVT, Rdx, DAG.getUNDEF(VecVT));  in combineArithReduction()
45043       Rdx = DAG.getNode(Opc, DL, WideVT, Lo, Hi);  in combineArithReduction()
45044       while (Rdx.getValueSizeInBits() > 128) {  in combineArithReduction()
45045         std::tie(Lo, Hi) = splitVector(Rdx, DAG, DL);  in combineArithReduction()
45046         Rdx = DAG.getNode(Opc, DL, Lo.getValueType(), Lo, Hi);  in combineArithReduction()
45049       Rdx = WidenToV16I8(Rdx, false);  in combineArithReduction()
45050       Rdx = getUnpackl(DAG, DL, MVT::v16i8, Rdx, DAG.getUNDEF(MVT::v16i8));  in combineArithReduction()
45051       Rdx = DAG.getBitcast(MVT::v8i16, Rdx);  in combineArithReduction()
45054       Rdx = DAG.getNode(Opc, DL, MVT::v8i16, Rdx,  in combineArithReduction()
45055                         DAG.getVectorShuffle(MVT::v8i16, DL, Rdx, Rdx,  in combineArithReduction()
45057     Rdx = DAG.getNode(Opc, DL, MVT::v8i16, Rdx,  in combineArithReduction()
45058                       DAG.getVectorShuffle(MVT::v8i16, DL, Rdx, Rdx,  in combineArithReduction()
45060     Rdx = DAG.getNode(Opc, DL, MVT::v8i16, Rdx,  in combineArithReduction()
45061                       DAG.getVectorShuffle(MVT::v8i16, DL, Rdx, Rdx,  in combineArithReduction()
45063     Rdx = DAG.getBitcast(MVT::v16i8, Rdx);  in combineArithReduction()
45064     return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, VT, Rdx, Index);  in combineArithReduction()
45069     Rdx = WidenToV16I8(Rdx, true);  in combineArithReduction()
45070     Rdx = DAG.getNode(X86ISD::PSADBW, DL, MVT::v2i64, Rdx,  in combineArithReduction()
45072     Rdx = DAG.getBitcast(MVT::v16i8, Rdx);  in combineArithReduction()
45073     return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, VT, Rdx, Index);  in combineArithReduction()
45082     while (Rdx.getValueSizeInBits() > 128) {  in combineArithReduction()
45084       std::tie(Lo, Hi) = splitVector(Rdx, DAG, DL);  in combineArithReduction()
45086       Rdx = DAG.getNode(ISD::ADD, DL, VecVT, Lo, Hi);  in combineArithReduction()
45091         MVT::v16i8, DL, Rdx, Rdx,  in combineArithReduction()
45093     Rdx = DAG.getNode(ISD::ADD, DL, MVT::v16i8, Rdx, Hi);  in combineArithReduction()
45094     Rdx = DAG.getNode(X86ISD::PSADBW, DL, MVT::v2i64, Rdx,  in combineArithReduction()
45096     Rdx = DAG.getBitcast(MVT::v16i8, Rdx);  in combineArithReduction()
45097     return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, VT, Rdx, Index);  in combineArithReduction()
45105       DAG.computeKnownBits(Rdx).getMaxValue().ule(255) &&  in combineArithReduction()
45106       (EltSizeInBits == 16 || Rdx.getOpcode() == ISD::ZERO_EXTEND ||  in combineArithReduction()
45108     if (Rdx.getValueType() == MVT::v8i16) {  in combineArithReduction()
45109       Rdx = DAG.getNode(X86ISD::PACKUS, DL, MVT::v16i8, Rdx,  in combineArithReduction()
45113       Rdx = DAG.getNode(ISD::TRUNCATE, DL, ByteVT, Rdx);  in combineArithReduction()
45115         Rdx = WidenToV16I8(Rdx, true);  in combineArithReduction()
45125     MVT SadVT = MVT::getVectorVT(MVT::i64, Rdx.getValueSizeInBits() / 64);  in combineArithReduction()
45126     Rdx = SplitOpsAndApply(DAG, Subtarget, DL, SadVT, {Rdx}, PSADBWBuilder);  in combineArithReduction()
45129     while (Rdx.getValueSizeInBits() > 128) {  in combineArithReduction()
45131       std::tie(Lo, Hi) = splitVector(Rdx, DAG, DL);  in combineArithReduction()
45133       Rdx = DAG.getNode(ISD::ADD, DL, VecVT, Lo, Hi);  in combineArithReduction()
45135     assert(Rdx.getValueType() == MVT::v2i64 && "v2i64 reduction expected");  in combineArithReduction()
45138       SDValue RdxHi = DAG.getVectorShuffle(MVT::v2i64, DL, Rdx, Rdx, {1, -1});  in combineArithReduction()
45139       Rdx = DAG.getNode(ISD::ADD, DL, MVT::v2i64, Rdx, RdxHi);  in combineArithReduction()
45143     Rdx = DAG.getBitcast(VecVT, Rdx);  in combineArithReduction()
45144     return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, VT, Rdx, Index);  in combineArithReduction()
45160     SDValue Hi = extract128BitVector(Rdx, NumElts / 2, DAG, DL);  in combineArithReduction()
45161     SDValue Lo = extract128BitVector(Rdx, 0, DAG, DL);  in combineArithReduction()
45162     Rdx = DAG.getNode(HorizOpcode, DL, Lo.getValueType(), Hi, Lo);  in combineArithReduction()
45163     VecVT = Rdx.getValueType();  in combineArithReduction()
45172     Rdx = DAG.getNode(HorizOpcode, DL, VecVT, Rdx, Rdx);  in combineArithReduction()
45174   return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, VT, Rdx, Index);  in combineArithReduction()