2070   auto GetSwizzleSrcs = [](size_t I, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2072     if (Lane->getOpcode() != ISD::EXTRACT_VECTOR_ELT)  in LowerBUILD_VECTOR()
2074     const SDValue &SwizzleSrc = Lane->getOperand(0);  in LowerBUILD_VECTOR()
2075     const SDValue &IndexExt = Lane->getOperand(1);  in LowerBUILD_VECTOR()
2094   auto GetShuffleSrc = [&](const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2095     if (Lane->getOpcode() != ISD::EXTRACT_VECTOR_ELT)  in LowerBUILD_VECTOR()
2097     if (!isa<ConstantSDNode>(Lane->getOperand(1).getNode()))  in LowerBUILD_VECTOR()
2099     if (Lane->getOperand(0).getValueType().getVectorNumElements() >  in LowerBUILD_VECTOR()
2102     return Lane->getOperand(0);  in LowerBUILD_VECTOR()
2135     const SDValue &Lane = Op->getOperand(I);  in LowerBUILD_VECTOR()  local
2136     if (Lane.isUndef())  in LowerBUILD_VECTOR()
2139     AddCount(SplatValueCounts, Lane);  in LowerBUILD_VECTOR()
2141     if (IsConstant(Lane))  in LowerBUILD_VECTOR()
2143     if (auto ShuffleSrc = GetShuffleSrc(Lane))  in LowerBUILD_VECTOR()
2146       auto SwizzleSrcs = GetSwizzleSrcs(I, Lane);  in LowerBUILD_VECTOR()
2189     IsLaneConstructed = [&, Swizzled](size_t I, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2190       return Swizzled == GetSwizzleSrcs(I, Lane);  in LowerBUILD_VECTOR()
2218       const SDValue &Lane = Op->getOperand(I);  in LowerBUILD_VECTOR()  local
2219       SDValue Src = GetShuffleSrc(Lane);  in LowerBUILD_VECTOR()
2221         Mask[I] = Lane->getConstantOperandVal(1) * Scale1;  in LowerBUILD_VECTOR()
2223         Mask[I] = DestLaneCount + Lane->getConstantOperandVal(1) * Scale2;  in LowerBUILD_VECTOR()
2230     IsLaneConstructed = [&](size_t, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2231       auto Src = GetShuffleSrc(Lane);  in LowerBUILD_VECTOR()
2236     for (const SDValue &Lane : Op->op_values()) {  in LowerBUILD_VECTOR()  local
2237       if (IsConstant(Lane)) {  in LowerBUILD_VECTOR()
2244         auto *Const = dyn_cast<ConstantSDNode>(Lane.getNode());  in LowerBUILD_VECTOR()
2251           ConstLanes.push_back(DAG.getConstant(NewVal, SDLoc(Lane), LaneT));  in LowerBUILD_VECTOR()
2253           ConstLanes.push_back(Lane);  in LowerBUILD_VECTOR()
2262     IsLaneConstructed = [&IsConstant](size_t _, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2263       return IsConstant(Lane);  in LowerBUILD_VECTOR()
2278     IsLaneConstructed = [&SplatValue](size_t _, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2279       return Lane == SplatValue;  in LowerBUILD_VECTOR()
2288     const SDValue &Lane = Op->getOperand(I);  in LowerBUILD_VECTOR()  local
2289     if (!Lane.isUndef() && !IsLaneConstructed(I, Lane))  in LowerBUILD_VECTOR()
2290       Result = DAG.getNode(ISD::INSERT_VECTOR_ELT, DL, VecT, Result, Lane,  in LowerBUILD_VECTOR()