- BitVector RegsLiveAtExit(TRI->getNumRegs());
- RS->getRegsUsed(RegsLiveAtExit, false);
- for (MachineBasicBlock::livein_iterator I = TailBB->livein_begin(),
- E = TailBB->livein_end(); I != E; ++I) {
- if (!RegsLiveAtExit[*I])
+ for (unsigned LI : TailBB->liveins()) {
+ if (!RS->isRegUsed(LI, false))