Lines Matching defs:DefMI

735               MachineInstr *DefMI = MRI->getVRegDef(MO->getReg());
736               if (DefMI && TII->isFoldableCopy(*DefMI)) {
737                 const MachineOperand &Def = DefMI->getOperand(0);
741                   const MachineOperand &Copied = DefMI->getOperand(1);
834       MachineInstr *DefMI = MRI->getVRegDef(MI.getOperand(I).getReg());
835       if (DefMI && DefMI->isPHI())
836         PHIOperands.insert(DefMI);
857   MachineInstr *DefMI = MRI->getVRegDef(MaybeVGPRConstMO.getReg());
858   if (!DefMI || !DefMI->isMoveImmediate())
861   MachineOperand *SrcConst = TII->getNamedOperand(*DefMI, AMDGPU::OpName::src0);
873     DefMI->eraseFromParent();