return false;
// Accumulate constraints from all uses.
- for (reg_nodbg_iterator I = reg_nodbg_begin(Reg), E = reg_nodbg_end(); I != E;
- ++I) {
+ for (MachineOperand &MO : reg_nodbg_operands(Reg)) {
// Apply the effect of the given operand to NewRC.
- MachineInstr *MI = I->getParent();
- NewRC = MI->getRegClassConstraintEffect(I.getOperandNo(), NewRC, TII,
+ MachineInstr *MI = MO.getParent();
+ unsigned OpNo = &MO - &MI->getOperand(0);
+ NewRC = MI->getRegClassConstraintEffect(OpNo, NewRC, TII,
getTargetRegisterInfo());
if (!NewRC || NewRC == OldRC)
return false;
void MachineRegisterInfo::verifyUseList(unsigned Reg) const {
#ifndef NDEBUG
bool Valid = true;
- for (reg_iterator I = reg_begin(Reg), E = reg_end(); I != E; ++I) {
- MachineOperand *MO = &*I;
+ for (MachineOperand &M : reg_operands(Reg)) {
+ MachineOperand *MO = &M;
MachineInstr *MI = MO->getParent();
if (!MI) {
errs() << PrintReg(Reg, getTargetRegisterInfo())
/// optimization passes which extend register lifetimes and need only
/// preserve conservative kill flag information.
void MachineRegisterInfo::clearKillFlags(unsigned Reg) const {
- for (use_iterator UI = use_begin(Reg), UE = use_end(); UI != UE; ++UI)
- UI->setIsKill(false);
+ for (MachineOperand &MO : use_operands(Reg))
+ MO.setIsKill(false);
}
bool MachineRegisterInfo::isLiveIn(unsigned Reg) const {
#ifndef NDEBUG
void MachineRegisterInfo::dumpUses(unsigned Reg) const {
- for (use_iterator I = use_begin(Reg), E = use_end(); I != E; ++I)
- I->getParent()->dump();
+ for (MachineInstr &I : use_instructions(Reg))
+ I.dump();
}
#endif