144 class Position : public StorageUniquer::BaseStorage {
146   explicit Position(Predicates::Kind kind) : kind(kind) {}  in Position()  function
147   virtual ~Position();
153   Position *getParent() const { return parent; }  in getParent()
160   Position *parent = nullptr;
172     : public PredicateBase<AttributePosition, Position,
186     : public PredicateBase<AttributeLiteralPosition, Position, Attribute,
195 struct ForEachPosition : public PredicateBase<ForEachPosition, Position,
196                                               std::pair<Position *, unsigned>,
210     : public PredicateBase<OperandPosition, Position,
225           OperandGroupPosition, Position,
251 struct OperationPosition : public PredicateBase<OperationPosition, Position,
252                                                 std::pair<Position *, unsigned>,
269   static OperationPosition *get(StorageUniquer &uniquer, Position *parent) {  in get()
292     : public PredicateBase<ConstraintPosition, Position,
310     : public PredicateBase<ResultPosition, Position,
325           ResultGroupPosition, Position,
353 struct TypePosition : public PredicateBase<TypePosition, Position, Position *,
369     : public PredicateBase<TypeLiteralPosition, Position, Attribute,
381     : public PredicateBase<UsersPosition, Position, std::pair<Position *, bool>,
478           std::tuple<StringRef, ArrayRef<Position *>, ArrayRef<Type>, bool>,
486   ArrayRef<Position *> getArgs() const { return std::get<1>(key); }  in getArgs()
511     : public PredicateBase<EqualToQuestion, Qualifier, Position *,
606   Position *getRoot() { return OperationPosition::getRoot(uniquer); }  in getRoot()
609   OperationPosition *getOperandDefiningOp(Position *p) {  in getOperandDefiningOp()
616   OperationPosition *getPassthroughOp(Position *p) {  in getPassthroughOp()
628   Position *getAttribute(OperationPosition *p, StringRef name) {  in getAttribute()
633   Position *getAttributeLiteral(Attribute attr) {  in getAttributeLiteral()
637   Position *getForEach(Position *p, unsigned id) {  in getForEach()
642   Position *getOperand(OperationPosition *p, unsigned operand) {  in getOperand()
647   Position *getOperandGroup(OperationPosition *p, std::optional<unsigned> group,  in getOperandGroup()
651   Position *getAllOperands(OperationPosition *p) {  in getAllOperands()
656   Position *getResult(OperationPosition *p, unsigned result) {  in getResult()
661   Position *getResultGroup(OperationPosition *p, std::optional<unsigned> group,  in getResultGroup()
665   Position *getAllResults(OperationPosition *p) {  in getAllResults()
670   Position *getType(Position *p) { return TypePosition::get(uniquer, p); }  in getType()
674   Position *getTypeLiteral(Attribute attr) {  in getTypeLiteral()
679   UsersPosition *getUsers(Position *p, bool useRepresentative) {  in getUsers()
702   Predicate getEqualTo(Position *pos) {  in getEqualTo()
707   Predicate getNotEqualTo(Position *pos) {  in getNotEqualTo()
712   Predicate getConstraint(StringRef name, ArrayRef<Position *> args,  in getConstraint()