4072                                              const LLT HalfTy, const LLT AmtTy) {  in narrowScalarShiftByConstant()  argument
4074   Register InL = MRI.createGenericVirtualRegister(HalfTy);  in narrowScalarShiftByConstant()
4075   Register InH = MRI.createGenericVirtualRegister(HalfTy);  in narrowScalarShiftByConstant()
4084   LLT NVT = HalfTy;  in narrowScalarShiftByConstant()
4085   unsigned NVTBits = HalfTy.getSizeInBits();  in narrowScalarShiftByConstant()
4184   const LLT HalfTy = LLT::scalar(NewBitSize);  in narrowScalarShift()  local
4190         MI, KShiftAmt->getOperand(1).getCImm()->getValue(), HalfTy, ShiftAmtTy);  in narrowScalarShift()
4198   Register InL = MRI.createGenericVirtualRegister(HalfTy);  in narrowScalarShift()
4199   Register InH = MRI.createGenericVirtualRegister(HalfTy);  in narrowScalarShift()
4213     auto LoS = MIRBuilder.buildShl(HalfTy, InL, Amt);  in narrowScalarShift()
4215     auto LoOr = MIRBuilder.buildLShr(HalfTy, InL, AmtLack);  in narrowScalarShift()
4216     auto HiOr = MIRBuilder.buildShl(HalfTy, InH, Amt);  in narrowScalarShift()
4217     auto HiS = MIRBuilder.buildOr(HalfTy, LoOr, HiOr);  in narrowScalarShift()
4220     auto LoL = MIRBuilder.buildConstant(HalfTy, 0);         // Lo part is zero.  in narrowScalarShift()
4221     auto HiL = MIRBuilder.buildShl(HalfTy, InL, AmtExcess); // Hi from Lo part.  in narrowScalarShift()
4223     auto Lo = MIRBuilder.buildSelect(HalfTy, IsShort, LoS, LoL);  in narrowScalarShift()
4225         HalfTy, IsZero, InH, MIRBuilder.buildSelect(HalfTy, IsShort, HiS, HiL));  in narrowScalarShift()
4234     auto HiS = MIRBuilder.buildInstr(MI.getOpcode(), {HalfTy}, {InH, Amt});  in narrowScalarShift()
4236     auto LoOr = MIRBuilder.buildLShr(HalfTy, InL, Amt);  in narrowScalarShift()
4237     auto HiOr = MIRBuilder.buildShl(HalfTy, InH, AmtLack);  in narrowScalarShift()
4238     auto LoS = MIRBuilder.buildOr(HalfTy, LoOr, HiOr);  in narrowScalarShift()
4243       HiL = MIRBuilder.buildConstant(HalfTy, 0);            // Hi part is zero.  in narrowScalarShift()
4246       HiL = MIRBuilder.buildAShr(HalfTy, InH, ShiftAmt);    // Sign of Hi part.  in narrowScalarShift()
4248     auto LoL = MIRBuilder.buildInstr(MI.getOpcode(), {HalfTy},  in narrowScalarShift()
4252         HalfTy, IsZero, InL, MIRBuilder.buildSelect(HalfTy, IsShort, LoS, LoL));  in narrowScalarShift()
4254     auto Hi = MIRBuilder.buildSelect(HalfTy, IsShort, HiS, HiL);  in narrowScalarShift()