2064   auto GetSwizzleSrcs = [](size_t I, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2066     if (Lane->getOpcode() != ISD::EXTRACT_VECTOR_ELT)  in LowerBUILD_VECTOR()
2068     const SDValue &SwizzleSrc = Lane->getOperand(0);  in LowerBUILD_VECTOR()
2069     const SDValue &IndexExt = Lane->getOperand(1);  in LowerBUILD_VECTOR()
2088   auto GetShuffleSrc = [&](const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2089     if (Lane->getOpcode() != ISD::EXTRACT_VECTOR_ELT)  in LowerBUILD_VECTOR()
2091     if (!isa<ConstantSDNode>(Lane->getOperand(1).getNode()))  in LowerBUILD_VECTOR()
2093     if (Lane->getOperand(0).getValueType().getVectorNumElements() >  in LowerBUILD_VECTOR()
2096     return Lane->getOperand(0);  in LowerBUILD_VECTOR()
2129     const SDValue &Lane = Op->getOperand(I);  in LowerBUILD_VECTOR()  local
2130     if (Lane.isUndef())  in LowerBUILD_VECTOR()
2133     AddCount(SplatValueCounts, Lane);  in LowerBUILD_VECTOR()
2135     if (IsConstant(Lane))  in LowerBUILD_VECTOR()
2137     if (auto ShuffleSrc = GetShuffleSrc(Lane))  in LowerBUILD_VECTOR()
2140       auto SwizzleSrcs = GetSwizzleSrcs(I, Lane);  in LowerBUILD_VECTOR()
2183     IsLaneConstructed = [&, Swizzled](size_t I, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2184       return Swizzled == GetSwizzleSrcs(I, Lane);  in LowerBUILD_VECTOR()
2212       const SDValue &Lane = Op->getOperand(I);  in LowerBUILD_VECTOR()  local
2213       SDValue Src = GetShuffleSrc(Lane);  in LowerBUILD_VECTOR()
2215         Mask[I] = Lane->getConstantOperandVal(1) * Scale1;  in LowerBUILD_VECTOR()
2217         Mask[I] = DestLaneCount + Lane->getConstantOperandVal(1) * Scale2;  in LowerBUILD_VECTOR()
2224     IsLaneConstructed = [&](size_t, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2225       auto Src = GetShuffleSrc(Lane);  in LowerBUILD_VECTOR()
2230     for (const SDValue &Lane : Op->op_values()) {  in LowerBUILD_VECTOR()  local
2231       if (IsConstant(Lane)) {  in LowerBUILD_VECTOR()
2238         auto *Const = dyn_cast<ConstantSDNode>(Lane.getNode());  in LowerBUILD_VECTOR()
2246           ConstLanes.push_back(DAG.getConstant(NewVal, SDLoc(Lane), LaneT));  in LowerBUILD_VECTOR()
2248           ConstLanes.push_back(Lane);  in LowerBUILD_VECTOR()
2257     IsLaneConstructed = [&IsConstant](size_t _, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2258       return IsConstant(Lane);  in LowerBUILD_VECTOR()
2263     IsLaneConstructed = [&SplatValue](size_t _, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2264       return Lane == SplatValue;  in LowerBUILD_VECTOR()
2273     const SDValue &Lane = Op->getOperand(I);  in LowerBUILD_VECTOR()  local
2274     if (!Lane.isUndef() && !IsLaneConstructed(I, Lane))  in LowerBUILD_VECTOR()
2275       Result = DAG.getNode(ISD::INSERT_VECTOR_ELT, DL, VecT, Result, Lane,  in LowerBUILD_VECTOR()