LiveIntervalAnalysis.cpp

LiveRange LiveIntervals::addLiveRangeToEndOfBlock(unsigned reg,
                                                  MachineInstr* startInst) {
  LiveInterval& Interval = getOrCreateInterval(reg);
  VNInfo* VN = Interval.getNextValue(
    SlotIndex(getInstructionIndex(startInst).getDefIndex()),
    startInst, true, getVNInfoAllocator());
  VN->setHasPHIKill(true);
  LiveRange LR(
     SlotIndex(getInstructionIndex(startInst).getDefIndex()),
     getMBBEndIdx(startInst->getParent()), VN);
  Interval.addRange(LR);
  
  return LR;
}