2081   auto GetSwizzleSrcs = [](size_t I, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2083     if (Lane->getOpcode() != ISD::EXTRACT_VECTOR_ELT)  in LowerBUILD_VECTOR()
2085     const SDValue &SwizzleSrc = Lane->getOperand(0);  in LowerBUILD_VECTOR()
2086     const SDValue &IndexExt = Lane->getOperand(1);  in LowerBUILD_VECTOR()
2105   auto GetShuffleSrc = [&](const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2106     if (Lane->getOpcode() != ISD::EXTRACT_VECTOR_ELT)  in LowerBUILD_VECTOR()
2108     if (!isa<ConstantSDNode>(Lane->getOperand(1).getNode()))  in LowerBUILD_VECTOR()
2110     if (Lane->getOperand(0).getValueType().getVectorNumElements() >  in LowerBUILD_VECTOR()
2113     return Lane->getOperand(0);  in LowerBUILD_VECTOR()
2146     const SDValue &Lane = Op->getOperand(I);  in LowerBUILD_VECTOR()  local
2147     if (Lane.isUndef())  in LowerBUILD_VECTOR()
2150     AddCount(SplatValueCounts, Lane);  in LowerBUILD_VECTOR()
2152     if (IsConstant(Lane))  in LowerBUILD_VECTOR()
2154     if (auto ShuffleSrc = GetShuffleSrc(Lane))  in LowerBUILD_VECTOR()
2157       auto SwizzleSrcs = GetSwizzleSrcs(I, Lane);  in LowerBUILD_VECTOR()
2200     IsLaneConstructed = [&, Swizzled](size_t I, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2201       return Swizzled == GetSwizzleSrcs(I, Lane);  in LowerBUILD_VECTOR()
2229       const SDValue &Lane = Op->getOperand(I);  in LowerBUILD_VECTOR()  local
2230       SDValue Src = GetShuffleSrc(Lane);  in LowerBUILD_VECTOR()
2232         Mask[I] = Lane->getConstantOperandVal(1) * Scale1;  in LowerBUILD_VECTOR()
2234         Mask[I] = DestLaneCount + Lane->getConstantOperandVal(1) * Scale2;  in LowerBUILD_VECTOR()
2241     IsLaneConstructed = [&](size_t, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2242       auto Src = GetShuffleSrc(Lane);  in LowerBUILD_VECTOR()
2247     for (const SDValue &Lane : Op->op_values()) {  in LowerBUILD_VECTOR()  local
2248       if (IsConstant(Lane)) {  in LowerBUILD_VECTOR()
2255         auto *Const = dyn_cast<ConstantSDNode>(Lane.getNode());  in LowerBUILD_VECTOR()
2263           ConstLanes.push_back(DAG.getConstant(NewVal, SDLoc(Lane), LaneT));  in LowerBUILD_VECTOR()
2265           ConstLanes.push_back(Lane);  in LowerBUILD_VECTOR()
2274     IsLaneConstructed = [&IsConstant](size_t _, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2275       return IsConstant(Lane);  in LowerBUILD_VECTOR()
2280     IsLaneConstructed = [&SplatValue](size_t _, const SDValue &Lane) {  in LowerBUILD_VECTOR()  argument
2281       return Lane == SplatValue;  in LowerBUILD_VECTOR()
2290     const SDValue &Lane = Op->getOperand(I);  in LowerBUILD_VECTOR()  local
2291     if (!Lane.isUndef() && !IsLaneConstructed(I, Lane))  in LowerBUILD_VECTOR()
2292       Result = DAG.getNode(ISD::INSERT_VECTOR_ELT, DL, VecT, Result, Lane,  in LowerBUILD_VECTOR()