4706   Register InH = MRI.createGenericVirtualRegister(HalfTy);  in narrowScalarShiftByConstant()  local
4707   MIRBuilder.buildUnmerge({InL, InH}, MI.getOperand(1));  in narrowScalarShiftByConstant()
4710     MIRBuilder.buildMerge(MI.getOperand(0), {InL, InH});  in narrowScalarShiftByConstant()
4733           MIRBuilder.buildShl(NVT, InH, MIRBuilder.buildConstant(AmtTy, Amt));  in narrowScalarShiftByConstant()
4742       Lo = MIRBuilder.buildLShr(NVT, InH,  in narrowScalarShiftByConstant()
4746       Lo = InH;  in narrowScalarShiftByConstant()
4753           NVT, InH, MIRBuilder.buildConstant(AmtTy, -Amt + NVTBits));  in narrowScalarShiftByConstant()
4756       Hi = MIRBuilder.buildLShr(NVT, InH, ShiftAmtConst);  in narrowScalarShiftByConstant()
4761           NVT, InH, MIRBuilder.buildConstant(AmtTy, NVTBits - 1));  in narrowScalarShiftByConstant()
4763       Lo = MIRBuilder.buildAShr(NVT, InH,  in narrowScalarShiftByConstant()
4765       Hi = MIRBuilder.buildAShr(NVT, InH,  in narrowScalarShiftByConstant()
4768       Lo = InH;  in narrowScalarShiftByConstant()
4769       Hi = MIRBuilder.buildAShr(NVT, InH,  in narrowScalarShiftByConstant()
4776           NVT, InH, MIRBuilder.buildConstant(AmtTy, -Amt + NVTBits));  in narrowScalarShiftByConstant()
4779       Hi = MIRBuilder.buildAShr(NVT, InH, ShiftAmtConst);  in narrowScalarShiftByConstant()
4830   Register InH = MRI.createGenericVirtualRegister(HalfTy);  in narrowScalarShift()  local
4831   MIRBuilder.buildUnmerge({InL, InH}, MI.getOperand(1));  in narrowScalarShift()
4847     auto HiOr = MIRBuilder.buildShl(HalfTy, InH, Amt);  in narrowScalarShift()
4856         HalfTy, IsZero, InH, MIRBuilder.buildSelect(HalfTy, IsShort, HiS, HiL));  in narrowScalarShift()
4865     auto HiS = MIRBuilder.buildInstr(MI.getOpcode(), {HalfTy}, {InH, Amt});  in narrowScalarShift()
4868     auto HiOr = MIRBuilder.buildShl(HalfTy, InH, AmtLack);  in narrowScalarShift()
4877       HiL = MIRBuilder.buildAShr(HalfTy, InH, ShiftAmt);    // Sign of Hi part.  in narrowScalarShift()
4880                                      {InH, AmtExcess});     // Lo from Hi part.  in narrowScalarShift()