37   struct RegisterRef;
53   RegisterCell get(RegisterRef RR) const;
54   void put(RegisterRef RR, const RegisterCell &RC);
55   void subst(RegisterRef OldRR, RegisterRef NewRR);
141 struct BitTracker::RegisterRef {  struct
142   RegisterRef(Register R = 0, unsigned S = 0) : Reg(R), Sub(S) {}  in Reg()  argument
143   RegisterRef(const MachineOperand &MO)  in RegisterRef()  argument
397   uint16_t getRegBitWidth(const RegisterRef &RR) const;
399   RegisterCell getCell(const RegisterRef &RR, const CellMapType &M) const;
400   void putCell(const RegisterRef &RR, RegisterCell RC, CellMapType &M) const;
405   RegisterCell getRef(const RegisterRef &RR, const CellMapType &M) const {  in getRef()