197 void LiveIntervals::computeVirtRegInterval(LiveInterval &LI) {  in computeVirtRegInterval()  argument
199   assert(LI.empty() && "Should only compute empty intervals.");  in computeVirtRegInterval()
200   bool ShouldTrackSubRegLiveness = MRI->shouldTrackSubRegLiveness(LI.reg);  in computeVirtRegInterval()
202   LRCalc->calculate(LI, ShouldTrackSubRegLiveness);  in computeVirtRegInterval()
203   bool SeparatedComponents = computeDeadValues(LI, nullptr);  in computeVirtRegInterval()
208     splitSeparateComponents(LI, SplitLIs);  in computeVirtRegInterval()
326     for (const auto &LI : MBB->liveins()) {  in computeLiveInRegUnits()  local
327       for (MCRegUnitIterator Units(LI.PhysReg, TRI); Units.isValid(); ++Units) {  in computeLiveInRegUnits()
476 bool LiveIntervals::computeDeadValues(LiveInterval &LI,  in computeDeadValues()  argument
479   for (auto VNI : LI.valnos) {  in computeDeadValues()
483     LiveRange::iterator I = LI.FindSegmentContaining(Def);  in computeDeadValues()
484     assert(I != LI.end() && "Missing segment for VNI");  in computeDeadValues()
489     unsigned VReg = LI.reg;  in computeDeadValues()
491       if ((I == LI.begin() || std::prev(I)->end < Def) && !VNI->isPHIDef()) {  in computeDeadValues()
503       LI.removeSegment(I);  in computeDeadValues()
680     const LiveInterval &LI = getInterval(Reg);  in addKillFlags()  local
681     if (LI.empty())  in addKillFlags()
692       RU.push_back(std::make_pair(&RURange, RURange.find(LI.begin()->end)));  in addKillFlags()
697       for (const LiveInterval::SubRange &SR : LI.subranges()) {  in addKillFlags()
698         SRs.push_back(std::make_pair(&SR, SR.find(LI.begin()->end)));  in addKillFlags()
704     for (LiveInterval::const_iterator RI = LI.begin(), RE = LI.end(); RI != RE;  in addKillFlags()
786           if (N != LI.end() && N->start == RI->end)  in addKillFlags()
800 LiveIntervals::intervalIsInOneMBB(const LiveInterval &LI) const {  in intervalIsInOneMBB()
808   SlotIndex Start = LI.beginIndex();  in intervalIsInOneMBB()
812   SlotIndex Stop = LI.endIndex();  in intervalIsInOneMBB()
824 LiveIntervals::hasPHIKill(const LiveInterval &LI, const VNInfo *VNI) const {  in hasPHIKill()  argument
825   for (const VNInfo *PHI : LI.valnos) {  in hasPHIKill()
834       if (VNI == LI.getVNInfoBefore(Indexes->getMBBEndIdx(*PI)))  in hasPHIKill()
868 bool LiveIntervals::checkRegMaskInterference(LiveInterval &LI,  in checkRegMaskInterference()  argument
870   if (LI.empty())  in checkRegMaskInterference()
872   LiveInterval::iterator LiveI = LI.begin(), LiveE = LI.end();  in checkRegMaskInterference()
877   if (MachineBasicBlock *MBB = intervalIsInOneMBB(LI)) {  in checkRegMaskInterference()
913     LiveI = LI.advanceTo(LiveI, *SlotI);  in checkRegMaskInterference()
974         LiveInterval &LI = LIS.getInterval(Reg);  in updateAllRanges()  local
975         if (LI.hasSubRanges()) {  in updateAllRanges()
978           for (LiveInterval::SubRange &S : LI.subranges()) {  in updateAllRanges()
984         updateRange(LI, Reg, 0);  in updateAllRanges()
1412     LiveInterval &LI = getInterval(Reg);  in repairIntervalsInRange()  local
1414     if (!LI.hasAtLeastOneValue())  in repairIntervalsInRange()
1417     for (LiveInterval::SubRange &S : LI.subranges()) {  in repairIntervalsInRange()
1420     repairOldRegInRange(Begin, End, endIdx, LI, Reg);  in repairIntervalsInRange()
1432 void LiveIntervals::removeVRegDefAt(LiveInterval &LI, SlotIndex Pos) {  in removeVRegDefAt()  argument
1433   VNInfo *VNI = LI.getVNInfoAt(Pos);  in removeVRegDefAt()
1436   LI.removeValNo(VNI);  in removeVRegDefAt()
1439   for (LiveInterval::SubRange &S : LI.subranges()) {  in removeVRegDefAt()
1443   LI.removeEmptySubRanges();  in removeVRegDefAt()
1446 void LiveIntervals::splitSeparateComponents(LiveInterval &LI,  in splitSeparateComponents()  argument
1449   unsigned NumComp = ConEQ.Classify(&LI);  in splitSeparateComponents()
1452   DEBUG(dbgs() << "  Split " << NumComp << " components: " << LI << '\n');  in splitSeparateComponents()
1453   unsigned Reg = LI.reg;  in splitSeparateComponents()
1460   ConEQ.Distribute(LI, SplitLIs.data(), *MRI);  in splitSeparateComponents()