206   SmallVector<ValueIDNum, 32> VarLocs;
226     ValueIDNum ID;
283     DenseMap<ValueIDNum, LocIdx> ValueToLoc;  in loadInlocs()
299       ValueIDNum &VNum = MLocs[Idx.asU64()];  in loadInlocs()
328       const ValueIDNum &Num = Var.second.ID;  in loadInlocs()
355                        const DbgValueProperties &Properties, ValueIDNum ID) {  in addUseBeforeDef()
420   bool isEntryValueValue(const ValueIDNum &Val) const {  in isEntryValueValue()
437                            const ValueIDNum &Num) {  in recoverAsEntryValue()
538     ValueIDNum OldValue = VarLocs[MLoc.asU64()];  in clobberMloc()
544   void clobberMloc(LocIdx MLoc, ValueIDNum OldValue,  in clobberMloc()
550     VarLocs[MLoc.asU64()] = ValueIDNum::EmptyValue;  in clobberMloc()
641       VarLocs[Src.asU64()] = ValueIDNum::EmptyValue;  in transferMlocs()
666 ValueIDNum ValueIDNum::EmptyValue = {UINT_MAX, UINT_MAX, UINT_MAX};
667 ValueIDNum ValueIDNum::TombstoneValue = {UINT_MAX, UINT_MAX, UINT_MAX - 1};
692       LocIdxToIDNum(ValueIDNum::EmptyValue), LocIdxToLocID(0) {  in MLocTracker()
763   ValueIDNum ValNum = {CurBB, 0, NewIdx};  in trackRegister()
813       LocIdxToIDNum[Idx] = ValueIDNum(CurBB, 0, Idx);  in getOrTrackSpillLoc()
834 std::string MLocTracker::IDAsString(const ValueIDNum &Num) const {  in IDAsString()
1146   Optional<ValueIDNum> NewID = None;  in transferDebugInstrRef()
1163         NewID = ValueIDNum(BlockNo, InstrIt->second.second, *L);  in transferDebugInstrRef()
1176           NewID = ValueIDNum(BlockNo, InstrIt->second.second, L);  in transferDebugInstrRef()
1255           NewID = ValueIDNum(NewID->getBlock(), NewID->getInst(), NewLoc);  in transferDebugInstrRef()
1282     ValueIDNum ID = MTracker->readMLoc(CurL);  in transferDebugInstrRef()
1346     ValueIDNum Num = MTracker->readReg(Reg);  in transferDebugPHI()
1380     ValueIDNum Result = MTracker->readMLoc(SpillLoc);  in transferDebugPHI()
1406     ValueIDNum Num = MTracker->readReg(MI.getOperand(0).getReg());  in transferRegisterDef()
1466         MTracker->setMLoc(L, ValueIDNum(CurBB, CurInst, L));  in transferRegisterDef()
1519   ValueIDNum SrcValue = MTracker->readReg(SrcRegNum);  in performCopy()
1539     ValueIDNum CpyValue = MTracker->readReg(SrcSubReg);  in performCopy()
1632       ValueIDNum Def(CurBB, CurInst, *MLoc);  in transferSpillOrRestoreInst()
1747   DenseMap<LocIdx, ValueIDNum> ClobberedLocs;  in transferRegisterCopy()
1756       ValueIDNum Value = MTracker->readReg(*RAI);  in transferRegisterCopy()
1923       ValueIDNum &P = Location.Value;  in produceMLocTransferFunction()
1971       ValueIDNum NotGeneratedNum = ValueIDNum(I, 1, Idx);  in produceMLocTransferFunction()
1975         ValueIDNum &ValueID = Result.first->second;  in produceMLocTransferFunction()
2016     ValueIDNum FirstVal = OutLocs[BlockOrders[0]->getNumber()][Idx.asU64()];  in mlocJoin()
2020     if (InLocs[Idx.asU64()] != ValueIDNum(MBB.getNumber(), 0, Idx)) {  in mlocJoin()
2033       const ValueIDNum &PredLiveOut =  in mlocJoin()
2041       if (PredLiveOut == ValueIDNum(MBB.getNumber(), 0, Idx))  in mlocJoin()
2159       MInLocs[MBB->getNumber()][L.asU64()] = ValueIDNum(MBB->getNumber(), 0, L);  in placeMLocPHIs()
2238     MInLocs[0][Location.Idx.asU64()] = ValueIDNum(0, 0, Location.Idx);  in buildMLocValueMap()
2258     SmallVector<std::pair<LocIdx, ValueIDNum>, 32> ToRemap;  in buildMLocValueMap()
2284           ValueIDNum NewID = MTracker->readMLoc(P.second.getLoc());  in buildMLocValueMap()
2356 Optional<ValueIDNum> InstrRefBasedLDV::pickVPHILoc(  in pickVPHILoc()
2391          OutVal.ID != ValueIDNum::EmptyValue)) {  in pickVPHILoc()
2392       ValueIDNum ValToLookFor = OutVal.ID;  in pickVPHILoc()
2412         ValueIDNum MPHI(MBB.getNumber(), 0, LocIdx(I));  in pickVPHILoc()
2448   ValueIDNum PHIVal = {(unsigned)MBB.getNumber(), 0, L};  in pickVPHILoc()
2778           Optional<ValueIDNum> ValueNum =  in buildVLocValueMap()
2854           BlockLiveIn->ID == ValueIDNum::EmptyValue)  in buildVLocValueMap()
3221     MOutLocs[i] = std::make_unique<ValueIDNum[]>(NumLocs);  in ExtendRanges()
3222     MInLocs[i] = std::make_unique<ValueIDNum[]>(NumLocs);  in ExtendRanges()
3238     ValueIDNum &Num = *DBG_PHI.ValueRead;  in ExtendRanges()
3550     BlockValueNum Num = ValueIDNum(BB->BB.getNumber(), 0, Updater->Loc).asU64();  in GetUndefVal()
3599 Optional<ValueIDNum> InstrRefBasedLDV::resolveDbgPHIs(  in resolveDbgPHIs()
3612   Optional<ValueIDNum> Result =  in resolveDbgPHIs()
3618 Optional<ValueIDNum> InstrRefBasedLDV::resolveDbgPHIsImpl(  in resolveDbgPHIsImpl()
3668     const ValueIDNum &Num = *DBG_PHI.ValueRead;  in resolveDbgPHIsImpl()
3677     return ValueIDNum::fromU64(AvailIt->second);  in resolveDbgPHIsImpl()
3684   ValueIDNum Result = ValueIDNum::fromU64(ResultInt);  in resolveDbgPHIsImpl()
3697   DenseMap<LDVSSABlock *, ValueIDNum> ValidatedValues;  in resolveDbgPHIsImpl()
3702     const ValueIDNum &Num = *DBG_PHI.ValueRead;  in resolveDbgPHIsImpl()
3716     ValueIDNum ThisBlockValueNum =  in resolveDbgPHIsImpl()
3725       ValueIDNum ValueToCheck;  in resolveDbgPHIsImpl()