40   struct RegisterCell;
44   using CellMapType = std::map<unsigned, RegisterCell>;
52   const RegisterCell &lookup(unsigned Reg) const;
53   RegisterCell get(RegisterRef RR) const;
54   void put(RegisterRef RR, const RegisterCell &RC);
300 struct BitTracker::RegisterCell {  struct
301   RegisterCell(uint16_t Width = DefaultBitN) : Bits(Width) {}  in Bits()  argument
316   bool meet(const RegisterCell &RC, Register SelfR);  argument
317   RegisterCell &insert(const RegisterCell &RC, const BitMask &M);
318   RegisterCell extract(const BitMask &M) const;  // Returns a new cell.
319   RegisterCell &rol(uint16_t Sh);    // Rotate left.
320   RegisterCell &fill(uint16_t B, uint16_t E, const BitValue &V);
321   RegisterCell &cat(const RegisterCell &RC);  // Concatenate.
325   bool operator== (const RegisterCell &RC) const;
326   bool operator!= (const RegisterCell &RC) const {
331   RegisterCell &regify(unsigned R);
336   static RegisterCell self(unsigned Reg, uint16_t Width);
338   static RegisterCell top(uint16_t Width);
340   static RegisterCell ref(const RegisterCell &C);
349   friend raw_ostream &operator<<(raw_ostream &OS, const RegisterCell &RC);  argument
356 inline const BitTracker::RegisterCell&
363 inline BitTracker::RegisterCell
364 BitTracker::RegisterCell::self(unsigned Reg, uint16_t Width) {  in self()
365   RegisterCell RC(Width);  in self()
371 inline BitTracker::RegisterCell
372 BitTracker::RegisterCell::top(uint16_t Width) {  in top()
373   RegisterCell RC(Width);  in top()
379 inline BitTracker::RegisterCell
380 BitTracker::RegisterCell::ref(const RegisterCell &C) {  in ref()
382   RegisterCell RC(W);  in ref()
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()
406     RegisterCell RC = getCell(RR, M);  in getRef()
407     return RegisterCell::ref(RC);  in getRef()
412   bool isInt(const RegisterCell &A) const;
414   uint64_t toInt(const RegisterCell &A) const;
417   RegisterCell eIMM(int64_t V, uint16_t W) const;
418   RegisterCell eIMM(const ConstantInt *CI) const;
421   RegisterCell eADD(const RegisterCell &A1, const RegisterCell &A2) const;
422   RegisterCell eSUB(const RegisterCell &A1, const RegisterCell &A2) const;
423   RegisterCell eMLS(const RegisterCell &A1, const RegisterCell &A2) const;
424   RegisterCell eMLU(const RegisterCell &A1, const RegisterCell &A2) const;
427   RegisterCell eASL(const RegisterCell &A1, uint16_t Sh) const;
428   RegisterCell eLSR(const RegisterCell &A1, uint16_t Sh) const;
429   RegisterCell eASR(const RegisterCell &A1, uint16_t Sh) const;
432   RegisterCell eAND(const RegisterCell &A1, const RegisterCell &A2) const;
433   RegisterCell eORL(const RegisterCell &A1, const RegisterCell &A2) const;
434   RegisterCell eXOR(const RegisterCell &A1, const RegisterCell &A2) const;
435   RegisterCell eNOT(const RegisterCell &A1) const;
438   RegisterCell eSET(const RegisterCell &A1, uint16_t BitN) const;
439   RegisterCell eCLR(const RegisterCell &A1, uint16_t BitN) const;
442   RegisterCell eCLB(const RegisterCell &A1, bool B, uint16_t W) const;
443   RegisterCell eCTB(const RegisterCell &A1, bool B, uint16_t W) const;
446   RegisterCell eSXT(const RegisterCell &A1, uint16_t FromN) const;
447   RegisterCell eZXT(const RegisterCell &A1, uint16_t FromN) const;
452   RegisterCell eXTR(const RegisterCell &A1, uint16_t B, uint16_t E) const;
453   RegisterCell eINS(const RegisterCell &A1, const RegisterCell &A2,