107 class ValueIDNum {
124   ValueIDNum() { u.Value = EmptyValue.asU64(); }  in ValueIDNum()  function
126   ValueIDNum(uint64_t Block, uint64_t Inst, uint64_t Loc) {  in ValueIDNum()  function
130   ValueIDNum(uint64_t Block, uint64_t Inst, LocIdx Loc) {  in ValueIDNum()  function
141   static ValueIDNum fromU64(uint64_t v) {  in fromU64()
142     ValueIDNum Val;  in fromU64()
147   bool operator<(const ValueIDNum &Other) const {
151   bool operator==(const ValueIDNum &Other) const {
155   bool operator!=(const ValueIDNum &Other) const { return !(*this == Other); }
169   static ValueIDNum EmptyValue;
170   static ValueIDNum TombstoneValue;
187 template <> struct DenseMapInfo<ValueIDNum> {
188   static inline ValueIDNum getEmptyKey() { return ValueIDNum::EmptyValue; }
189   static inline ValueIDNum getTombstoneKey() {
190     return ValueIDNum::TombstoneValue;
193   static unsigned getHashValue(const ValueIDNum &Val) {
197   static bool isEqual(const ValueIDNum &A, const ValueIDNum &B) {
208 using ValueTable = SmallVector<ValueIDNum, 0>;
217           std::make_unique<ValueTable>(NumLocs, ValueIDNum::EmptyValue));
323     ValueIDNum ID;
328   DbgOp() : ID(ValueIDNum::EmptyValue), IsConst(false) {}
329   DbgOp(ValueIDNum ID) : ID(ID), IsConst(false) {}
332   bool isUndef() const { return !IsConst && ID == ValueIDNum::EmptyValue; }
412   SmallVector<ValueIDNum, 0> ValueOps;
415   DenseMap<ValueIDNum, DbgOpID> ValueOpToID;
457   DbgOpID insertValueOp(ValueIDNum VID) {
668   using LocToValueType = IndexedMap<ValueIDNum, LocIdxToIndexFunctor>;
737       value_type(LocIdx Idx, ValueIDNum &Value) : Idx(Idx), Value(Value) {}
739       ValueIDNum &Value; /// Reference to the stored value at this location.
861   void setMLoc(LocIdx L, ValueIDNum Num) {
867   ValueIDNum readMLoc(LocIdx L) {
895     ValueIDNum ValueID = {BB, Inst, Idx};
901   void setReg(Register R, ValueIDNum ValueID) {
907   ValueIDNum readReg(Register R) {
920     LocIdxToIDNum[Idx] = ValueIDNum::EmptyValue;
976   std::string IDAsString(const ValueIDNum &Num) const;
1090   using MLocTransferMap = SmallDenseMap<LocIdx, ValueIDNum>;
1176     std::optional<ValueIDNum> ValueRead;
1198   DenseMap<std::pair<MachineInstr *, unsigned>, std::optional<ValueIDNum>>
1240   std::optional<ValueIDNum> getValueForInstrRef(unsigned InstNo, unsigned OpNo,
1287   std::optional<ValueIDNum> resolveDbgPHIs(MachineFunction &MF,
1293   std::optional<ValueIDNum> resolveDbgPHIsImpl(MachineFunction &MF,
1411   std::optional<ValueIDNum> pickOperandPHILoc(