Target/Hexagon/BitTracker.h

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);
299 struct BitTracker::RegisterCell {
300   RegisterCell(uint16_t Width = DefaultBitN) : Bits(Width) {}
315   bool meet(const RegisterCell &RC, unsigned SelfR);
316   RegisterCell &insert(const RegisterCell &RC, const BitMask &M);
317   RegisterCell extract(const BitMask &M) const;  // Returns a new cell.
318   RegisterCell &rol(uint16_t Sh);    // Rotate left.
319   RegisterCell &fill(uint16_t B, uint16_t E, const BitValue &V);
320   RegisterCell &cat(const RegisterCell &RC);  // Concatenate.
324   bool operator== (const RegisterCell &RC) const;
325   bool operator!= (const RegisterCell &RC) const {
330   RegisterCell &regify(unsigned R);
335   static RegisterCell self(unsigned Reg, uint16_t Width);
337   static RegisterCell top(uint16_t Width);
339   static RegisterCell ref(const RegisterCell &C);
348   friend raw_ostream &operator<<(raw_ostream &OS, const RegisterCell &RC);
355 inline const BitTracker::RegisterCell&
362 inline BitTracker::RegisterCell
363 BitTracker::RegisterCell::self(unsigned Reg, uint16_t Width) {
364   RegisterCell RC(Width);
370 inline BitTracker::RegisterCell
371 BitTracker::RegisterCell::top(uint16_t Width) {
372   RegisterCell RC(Width);
378 inline BitTracker::RegisterCell
379 BitTracker::RegisterCell::ref(const RegisterCell &C) {
381   RegisterCell RC(W);
398   RegisterCell getCell(const RegisterRef &RR, const CellMapType &M) const;
399   void putCell(const RegisterRef &RR, RegisterCell RC, CellMapType &M) const;
404   RegisterCell getRef(const RegisterRef &RR, const CellMapType &M) const {
405     RegisterCell RC = getCell(RR, M);
406     return RegisterCell::ref(RC);
411   bool isInt(const RegisterCell &A) const;
413   uint64_t toInt(const RegisterCell &A) const;
416   RegisterCell eIMM(int64_t V, uint16_t W) const;
417   RegisterCell eIMM(const ConstantInt *CI) const;
420   RegisterCell eADD(const RegisterCell &A1, const RegisterCell &A2) const;
421   RegisterCell eSUB(const RegisterCell &A1, const RegisterCell &A2) const;
422   RegisterCell eMLS(const RegisterCell &A1, const RegisterCell &A2) const;
423   RegisterCell eMLU(const RegisterCell &A1, const RegisterCell &A2) const;
426   RegisterCell eASL(const RegisterCell &A1, uint16_t Sh) const;
427   RegisterCell eLSR(const RegisterCell &A1, uint16_t Sh) const;
428   RegisterCell eASR(const RegisterCell &A1, uint16_t Sh) const;
431   RegisterCell eAND(const RegisterCell &A1, const RegisterCell &A2) const;
432   RegisterCell eORL(const RegisterCell &A1, const RegisterCell &A2) const;
433   RegisterCell eXOR(const RegisterCell &A1, const RegisterCell &A2) const;
434   RegisterCell eNOT(const RegisterCell &A1) const;
437   RegisterCell eSET(const RegisterCell &A1, uint16_t BitN) const;
438   RegisterCell eCLR(const RegisterCell &A1, uint16_t BitN) const;
441   RegisterCell eCLB(const RegisterCell &A1, bool B, uint16_t W) const;
442   RegisterCell eCTB(const RegisterCell &A1, bool B, uint16_t W) const;
445   RegisterCell eSXT(const RegisterCell &A1, uint16_t FromN) const;
446   RegisterCell eZXT(const RegisterCell &A1, uint16_t FromN) const;
451   RegisterCell eXTR(const RegisterCell &A1, uint16_t B, uint16_t E) const;
452   RegisterCell eINS(const RegisterCell &A1, const RegisterCell &A2,