MachineInstrBuilder MIB =
MIRBuilder.buildIntrinsic(ID, ResultRegs, !CI.doesNotAccessMemory());
+ if (isa<FPMathOperator>(CI))
+ MIB->copyIRFlags(CI);
for (auto &Arg : CI.arg_operands()) {
// Some intrinsics take metadata parameters. Reject them.
ConstantFP &ZeroForNegation =
*cast<ConstantFP>(ConstantFP::getZeroValueForNegation(ZeroTy));
auto Zero = MIRBuilder.buildFConstant(Ty, ZeroForNegation);
- MIRBuilder.buildInstr(TargetOpcode::G_FSUB)
- .addDef(Res)
- .addUse(Zero->getOperand(0).getReg())
- .addUse(MI.getOperand(1).getReg());
+ unsigned SubByReg = MI.getOperand(1).getReg();
+ unsigned ZeroReg = Zero->getOperand(0).getReg();
+ MachineInstr *SrcMI = MRI.getVRegDef(SubByReg);
+ MIRBuilder.buildInstr(TargetOpcode::G_FSUB, {Res}, {ZeroReg, SubByReg},
+ SrcMI->getFlags());
MI.eraseFromParent();
return Legalized;
}
unsigned RHS = MI.getOperand(2).getReg();
unsigned Neg = MRI.createGenericVirtualRegister(Ty);
MIRBuilder.buildInstr(TargetOpcode::G_FNEG).addDef(Neg).addUse(RHS);
- MIRBuilder.buildInstr(TargetOpcode::G_FADD)
- .addDef(Res)
- .addUse(LHS)
- .addUse(Neg);
+ MIRBuilder.buildInstr(TargetOpcode::G_FADD, {Res}, {LHS, Neg}, MI.getFlags());
MI.eraseFromParent();
return Legalized;
}