230   DenseMap<LocIdx, SmallSet<DebugVariable, 4>> ActiveMLocs;
278   bool isCalleeSaved(LocIdx L) const {  in isCalleeSaved()
307     LocationAndQuality(LocIdx L, LocationQuality Q)  in LocationAndQuality()
309     LocIdx getLoc() const {  in getLoc()
311         return LocIdx::MakeIllegalLoc();  in getLoc()
312       return LocIdx(Location);  in getLoc()
322   getLocQualityIfBetter(LocIdx L, LocationQuality Min) const {  in getLocQualityIfBetter()
396       LocIdx M = ValuesPreferredLoc->second.getLoc();  in loadVarInloc()
460       LocIdx Idx = Location.Idx;  in loadInlocs()
531       LocIdx Idx = Location.Idx;  in checkInstForNewValues()
561         LocIdx NewLoc = ValueToLoc.find(Op.ID)->second.getLoc();  in checkInstForNewValues()
677         for (LocIdx Loc : It->second.loc_indices())  in redefVar()
691         LocIdx NewLoc = MTracker->getRegMLoc(Reg);  in redefVar()
714       for (LocIdx Loc : It->second.loc_indices())  in redefVar()
725     SmallVector<std::pair<LocIdx, DebugVariable>> LostMLocs;  in redefVar()
730       LocIdx NewLoc = Op.Loc;  in redefVar()
739             for (LocIdx Loc : LostVLocIt->second.loc_indices()) {  in redefVar()
773   void clobberMloc(LocIdx MLoc, MachineBasicBlock::iterator Pos,  in clobberMloc()
786   void clobberMloc(LocIdx MLoc, ValueIDNum OldValue,  in clobberMloc()
796     std::optional<LocIdx> NewLoc;  in clobberMloc()
817     SmallVector<std::pair<LocIdx, DebugVariable>> LostMLocs;  in clobberMloc()
834                       ResolvedDbgOp(LocIdx::MakeIllegalLoc()));  in clobberMloc()
843         for (LocIdx Loc : ActiveVLocIt->second.loc_indices()) {  in clobberMloc()
881   void transferMlocs(LocIdx Src, LocIdx Dst, MachineBasicBlock::iterator Pos) {  in transferMlocs()
996   LocIDToLocIdx.resize(NumRegs, LocIdx::MakeIllegalLoc());  in MLocTracker()
1057 LocIdx MLocTracker::trackRegister(unsigned ID) {  in trackRegister()
1059   LocIdx NewIdx = LocIdx(LocIdxToIDNum.size());  in trackRegister()
1107       LocIdx Idx = LocIdx(LocIdxToIDNum.size()); // New idx  in getOrTrackSpillLoc()
1120 std::string MLocTracker::LocIdxToName(LocIdx Idx) const {  in LocIdxToName()
1219     LocIdx MLoc = Op.Loc;  in emitLoc()
1313 bool InstrRefBasedLDV::isCalleeSaved(LocIdx L) const {  in isCalleeSaved()
1348 std::optional<LocIdx>
1463       std::optional<LocIdx> L = findLocationForMemOperand(TargetInstr);  in getValueForInstrRef()
1477           LocIdx L = MTracker->LocIDToLocIdx[LocID];  in getValueForInstrRef()
1524     LocIdx L = NewID->getLoc();  in getValueForInstrRef()
1557           LocIdx NewLoc = MTracker->lookupOrTrackRegister(NewReg);  in getValueForInstrRef()
1653     LocIdx CurL = Location.Idx;  in transferDebugInstrRef()
1679     LocIdx FoundLoc = FoundLocs.find(DbgOp.ID)->second.getLoc();  in transferDebugInstrRef()
1696       LocIdx FoundLoc = ValueLoc.second.getLoc();  in transferDebugInstrRef()
1784     LocIdx SpillLoc = MTracker->getSpillMLoc(SpillID);  in transferDebugPHI()
1870         LocIdx L = MTracker->getSpillMLoc(SpillID);  in transferRegisterDef()
1885     LocIdx Loc = MTracker->lookupOrTrackRegister(DeadReg);  in transferRegisterDef()
1913         LocIdx L = MTracker->getSpillMLoc(SpillID);  in transferRegisterDef()
1941     LocIdx SrcL = MTracker->lookupOrTrackRegister(SrcSubReg);  in performCopy()
1942     LocIdx DstL = MTracker->lookupOrTrackRegister(DstSubReg);  in performCopy()
2030       std::optional<LocIdx> MLoc = MTracker->getSpillMLoc(SpillID);  in transferSpillOrRestoreInst()
2053       LocIdx DstLoc = MTracker->getSpillMLoc(SpillID);  in transferSpillOrRestoreInst()
2057         LocIdx SrcLoc = MTracker->getRegMLoc(SrcReg);  in transferSpillOrRestoreInst()
2093       LocIdx SrcIdx = MTracker->getSpillMLoc(SpillID);  in transferSpillOrRestoreInst()
2146   DenseMap<LocIdx, ValueIDNum> ClobberedLocs;  in transferRegisterCopy()
2149       LocIdx ClobberedLoc = MTracker->getRegMLoc(*RAI);  in transferRegisterCopy()
2322       LocIdx Idx = Location.Idx;  in produceMLocTransferFunction()
2363       LocIdx Idx = MTracker->LocIDToLocIdx[ID];  in produceMLocTransferFunction()
2419     LocIdx Idx = Location.Idx;  in mlocJoin()
2505   SmallSet<LocIdx, 32> NormalLocsToPHI;  in placeMLocPHIs()
2508     LocIdx L = Location.Idx;  in placeMLocPHIs()
2541   auto CollectPHIsForLoc = [&](LocIdx L) {  in placeMLocPHIs()
2563   auto InstallPHIsAtLoc = [&PHIBlocks, &MInLocs](LocIdx L) {  in placeMLocPHIs()
2569   for (LocIdx L : NormalLocsToPHI) {  in placeMLocPHIs()
2580       LocIdx L = MTracker->getSpillMLoc(SpillID);  in placeMLocPHIs()
2594         LocIdx ThisL = MTracker->getSpillMLoc(ThisID);  in placeMLocPHIs()
2602     LocIdx L = MTracker->lookupOrTrackRegister(R);  in placeMLocPHIs()
2615       LocIdx AliasLoc = MTracker->lookupOrTrackRegister(*RAI);  in placeMLocPHIs()
2665     SmallVector<std::pair<LocIdx, ValueIDNum>, 32> ToRemap;  in buildMLocValueMap()
2850   SmallVector<SmallVector<LocIdx, 4>, 8> Locs;  in pickOperandPHILoc()
2873           Locs.back().push_back(LocIdx(I));  in pickOperandPHILoc()
2884         ValueIDNum MPHI(MBB.getNumber(), 0, LocIdx(I));  in pickOperandPHILoc()
2886           Locs.back().push_back(LocIdx(I));  in pickOperandPHILoc()
2895   SmallVector<LocIdx, 4> CandidateLocs = Locs[0];  in pickOperandPHILoc()
2898     SmallVector<LocIdx, 4> NewCandidates;  in pickOperandPHILoc()
2909   LocIdx L = *CandidateLocs.begin();  in pickOperandPHILoc()
3713     LocIdx LocNo = Num.getLoc();  in ExtendRanges()
3913   LocIdx Loc;
3917   LDVSSAUpdater(LocIdx L, const FuncValueTable &MLiveIns)  in LDVSSAUpdater()
4118   LocIdx Loc = *LowerIt->ReadLoc;  in resolveDbgPHIsImpl()