228   SmallVector<ValueIDNum, 32> VarLocs;
323   using ValueLocPair = std::pair<ValueIDNum, LocationAndQuality>;
389       const ValueIDNum &Num = Op.ID;  in loadVarInloc()
484       ValueIDNum &VNum = MLocs[Idx.asU64()];  in loadInlocs()
485       if (VNum == ValueIDNum::EmptyValue)  in loadInlocs()
532     SmallDenseMap<ValueIDNum, LocationAndQuality> ValueToLoc;  in checkInstForNewValues()
557       ValueIDNum &LocValueID = Location.Value;  in checkInstForNewValues()
636   bool isEntryValueValue(const ValueIDNum &Val) const {  in isEntryValueValue()
653                            const ValueIDNum &Num) {  in recoverAsEntryValue()
809     ValueIDNum OldValue = VarLocs[MLoc.asU64()];  in clobberMloc()
815   void clobberMloc(LocIdx MLoc, ValueIDNum OldValue,  in clobberMloc()
821     VarLocs[MLoc.asU64()] = ValueIDNum::EmptyValue;  in clobberMloc()
948       VarLocs[Src.asU64()] = ValueIDNum::EmptyValue;  in transferMlocs()
973 ValueIDNum ValueIDNum::EmptyValue = {UINT_MAX, UINT_MAX, UINT_MAX};
974 ValueIDNum ValueIDNum::TombstoneValue = {UINT_MAX, UINT_MAX, UINT_MAX - 1};
1025       LocIdxToIDNum(ValueIDNum::EmptyValue), LocIdxToLocID(0) {  in MLocTracker()
1096   ValueIDNum ValNum = {CurBB, 0, NewIdx};  in trackRegister()
1146       LocIdxToIDNum[Idx] = ValueIDNum(CurBB, 0, Idx);  in getOrTrackSpillLoc()
1167 std::string MLocTracker::IDAsString(const ValueIDNum &Num) const {  in IDAsString()
1454 std::optional<ValueIDNum> InstrRefBasedLDV::getValueForInstrRef(  in getValueForInstrRef()
1480   std::optional<ValueIDNum> NewID;  in getValueForInstrRef()
1496         NewID = ValueIDNum(BlockNo, InstrIt->second.second, *L);  in getValueForInstrRef()
1509           NewID = ValueIDNum(BlockNo, InstrIt->second.second, L);  in getValueForInstrRef()
1589           NewID = ValueIDNum(NewID->getBlock(), NewID->getInst(), NewLoc);  in getValueForInstrRef()
1639     std::optional<ValueIDNum> NewID =  in transferDebugInstrRef()
1672   SmallDenseMap<ValueIDNum, TransferTracker::LocationAndQuality> FoundLocs;  in transferDebugInstrRef()
1673   SmallVector<ValueIDNum> ValuesToFind;  in transferDebugInstrRef()
1685     ValueIDNum ID = MTracker->readMLoc(CurL);  in transferDebugInstrRef()
1726       ValueIDNum NewID = ValueLoc.first;  in transferDebugInstrRef()
1785     ValueIDNum Num = MTracker->readReg(Reg);  in transferDebugPHI()
1819     ValueIDNum Result = MTracker->readMLoc(SpillLoc);  in transferDebugPHI()
1845     ValueIDNum Num = MTracker->readReg(MI.getOperand(0).getReg());  in transferRegisterDef()
1905         MTracker->setMLoc(L, ValueIDNum(CurBB, CurInst, L));  in transferRegisterDef()
1959   ValueIDNum SrcValue = MTracker->readReg(SrcRegNum);  in performCopy()
1979     ValueIDNum CpyValue = MTracker->readReg(SrcSubReg);  in performCopy()
2072       ValueIDNum Def(CurBB, CurInst, *MLoc);  in transferSpillOrRestoreInst()
2180   DenseMap<LocIdx, ValueIDNum> ClobberedLocs;  in transferRegisterCopy()
2189       ValueIDNum Value = MTracker->readReg(*RAI);  in transferRegisterCopy()
2357       ValueIDNum &P = Location.Value;  in produceMLocTransferFunction()
2405       ValueIDNum NotGeneratedNum = ValueIDNum(I, 1, Idx);  in produceMLocTransferFunction()
2409         ValueIDNum &ValueID = Result.first->second;  in produceMLocTransferFunction()
2457     ValueIDNum FirstVal = OutLocs[*BlockOrders[0]][Idx.asU64()];  in mlocJoin()
2461     if (InLocs[Idx.asU64()] != ValueIDNum(MBB.getNumber(), 0, Idx)) {  in mlocJoin()
2474       const ValueIDNum &PredLiveOut = OutLocs[*PredMBB][Idx.asU64()];  in mlocJoin()
2481       if (PredLiveOut == ValueIDNum(MBB.getNumber(), 0, Idx))  in mlocJoin()
2599       MInLocs[*MBB][L.asU64()] = ValueIDNum(MBB->getNumber(), 0, L);  in placeMLocPHIs()
2679         ValueIDNum(0, 0, Location.Idx);  in buildMLocValueMap()
2699     SmallVector<std::pair<LocIdx, ValueIDNum>, 32> ToRemap;  in buildMLocValueMap()
2725           ValueIDNum NewID = MTracker->readMLoc(P.second.getLoc());  in buildMLocValueMap()
2864     std::optional<ValueIDNum> JoinedOpLoc =  in pickVPHILoc()
2877 std::optional<ValueIDNum> InstrRefBasedLDV::pickOperandPHILoc(  in pickOperandPHILoc()
2903       ValueIDNum ValToLookFor = OutValOp.ID;  in pickOperandPHILoc()
2918         ValueIDNum MPHI(MBB.getNumber(), 0, LocIdx(I));  in pickOperandPHILoc()
2946   ValueIDNum PHIVal = {(unsigned)MBB.getNumber(), 0, L};  in pickOperandPHILoc()
3747     ValueIDNum &Num = *DBG_PHI.ValueRead;  in ExtendRanges()
3753     ValueIDNum ResolvedValue = MInLocs[BlockNo][LocNo.asU64()];  in ExtendRanges()
3757     if (ResolvedValue != ValueIDNum::EmptyValue)  in ExtendRanges()
4060     BlockValueNum Num = ValueIDNum(BB->BB.getNumber(), 0, Updater->Loc).asU64();  in GetPoisonVal()
4106 std::optional<ValueIDNum> InstrRefBasedLDV::resolveDbgPHIs(  in resolveDbgPHIs()
4115   std::optional<ValueIDNum> Result =  in resolveDbgPHIs()
4121 std::optional<ValueIDNum> InstrRefBasedLDV::resolveDbgPHIsImpl(  in resolveDbgPHIsImpl()
4171     const ValueIDNum &Num = *DBG_PHI.ValueRead;  in resolveDbgPHIsImpl()
4180     return ValueIDNum::fromU64(AvailIt->second);  in resolveDbgPHIsImpl()
4187   ValueIDNum Result = ValueIDNum::fromU64(ResultInt);  in resolveDbgPHIsImpl()
4200   DenseMap<LDVSSABlock *, ValueIDNum> ValidatedValues;  in resolveDbgPHIsImpl()
4205     const ValueIDNum &Num = *DBG_PHI.ValueRead;  in resolveDbgPHIsImpl()
4219     ValueIDNum ThisBlockValueNum = MLiveIns[PHI->ParentBlock->BB][Loc.asU64()];  in resolveDbgPHIsImpl()
4227       ValueIDNum ValueToCheck;  in resolveDbgPHIsImpl()