- for (MachineRegisterInfo::use_iterator I = MRI->use_begin(DstReg),
- E = MRI->use_end(); I != E; ++I) {
- MachineInstr *UseMI = &*I;
- if (!UseMI->isPHI() || !IsDeadPHICycle(UseMI, PHIsInCycle))
+ for (MachineInstr &UseMI : MRI->use_instructions(DstReg)) {
+ if (!UseMI.isPHI() || !IsDeadPHICycle(&UseMI, PHIsInCycle))