CodeGen/SelectionDAG/DAGCombiner.cpp

6717   unsigned InnerShift; // The opposite direction to the OuterShift.
6719   auto matchMask = [&OuterShift, &InnerShift, &Y](SDValue M) -> bool {
6724       InnerShift = ISD::SRL;
6726       InnerShift = ISD::SHL;
6747   SDValue T0 = DAG.getNode(InnerShift, DL, VT, X, Y);
10555     SDValue InnerShift = N0.getOperand(0);
10557     if (auto *N001C = isConstOrConstSplat(InnerShift.getOperand(1))) {
10560       EVT InnerShiftVT = InnerShift.getValueType();
10561       EVT ShiftAmtVT = InnerShift.getOperand(1).getValueType();
10571                                        InnerShift.getOperand(0), NewShiftAmt);
10576       if (N0.hasOneUse() && InnerShift.hasOneUse() &&
10581                                        InnerShift.getOperand(0), NewShiftAmt);