unsigned &LastDef) {
LastDef = 0;
unsigned LastUse = Dist;
- for (MachineRegisterInfo::reg_iterator I = MRI->reg_begin(Reg),
- E = MRI->reg_end(); I != E; ++I) {
- MachineOperand &MO = *I;
+ for (MachineOperand &MO : MRI->reg_operands(Reg)) {
MachineInstr *MI = MO.getParent();
if (MI->getParent() != MBB || MI->isDebugValue())
continue;
/// instruction too close to the defs of its register dependencies.
bool TwoAddressInstructionPass::isDefTooClose(unsigned Reg, unsigned Dist,
MachineInstr *MI) {
- for (MachineRegisterInfo::def_instr_iterator DI = MRI->def_instr_begin(Reg),
- DE = MRI->def_instr_end(); DI != DE; ++DI) {
- MachineInstr *DefMI = &*DI;
- if (DefMI->getParent() != MBB || DefMI->isCopy() || DefMI->isCopyLike())
+ for (MachineInstr &DefMI : MRI->def_instructions(Reg)) {
+ if (DefMI.getParent() != MBB || DefMI.isCopy() || DefMI.isCopyLike())
continue;
- if (DefMI == MI)
+ if (&DefMI == MI)
return true; // MI is defining something KillMI uses
- DenseMap<MachineInstr*, unsigned>::iterator DDI = DistanceMap.find(DefMI);
+ DenseMap<MachineInstr*, unsigned>::iterator DDI = DistanceMap.find(&DefMI);
if (DDI == DistanceMap.end())
return true; // Below MI
unsigned DefDist = DDI->second;
assert(Dist > DefDist && "Visited def already?");
- if (TII->getInstrLatency(InstrItins, DefMI) > (Dist - DefDist))
+ if (TII->getInstrLatency(InstrItins, &DefMI) > (Dist - DefDist))
return true;
}
return false;