MachineBasicBlock::iterator MII = MBB->begin();
// Add live-in registers as live.
- for (MachineBasicBlock::livein_iterator I = MBB->livein_begin(),
- E = MBB->livein_end(); I != E; ++I)
- if (MRI->isAllocatable(*I))
- definePhysReg(MII, *I, regReserved);
+ for (const auto &LI : MBB->liveins())
+ if (MRI->isAllocatable(LI.PhysReg))
+ definePhysReg(MII, LI.PhysReg, regReserved);
SmallVector<unsigned, 8> VirtDead;
SmallVector<MachineInstr*, 32> Coalesced;