Target/Hexagon/BitTracker.h

34   struct RegisterCell;
39   typedef std::map<unsigned, RegisterCell> CellMapType;
47   const RegisterCell &lookup(unsigned Reg) const;
48   RegisterCell get(RegisterRef RR) const;
49   void put(RegisterRef RR, const RegisterCell &RC);
249 struct BitTracker::RegisterCell {
250   RegisterCell(uint16_t Width = DefaultBitN) : Bits(Width) {}
264   bool meet(const RegisterCell &RC, unsigned SelfR);
265   RegisterCell &insert(const RegisterCell &RC, const BitMask &M);
266   RegisterCell extract(const BitMask &M) const;  // Returns a new cell.
267   RegisterCell &rol(uint16_t Sh);    // Rotate left.
268   RegisterCell &fill(uint16_t B, uint16_t E, const BitValue &V);
269   RegisterCell &cat(const RegisterCell &RC);  // Concatenate.
273   bool operator== (const RegisterCell &RC) const;
274   bool operator!= (const RegisterCell &RC) const {
281   static RegisterCell self(unsigned Reg, uint16_t Width);
283   static RegisterCell top(uint16_t Width);
285   static RegisterCell ref(const RegisterCell &C);
294   friend raw_ostream &operator<<(raw_ostream &OS, const RegisterCell &RC);
303 inline const BitTracker::RegisterCell&
311 inline BitTracker::RegisterCell
312 BitTracker::RegisterCell::self(unsigned Reg, uint16_t Width) {
313   RegisterCell RC(Width);
320 inline BitTracker::RegisterCell
321 BitTracker::RegisterCell::top(uint16_t Width) {
322   RegisterCell RC(Width);
329 inline BitTracker::RegisterCell
330 BitTracker::RegisterCell::ref(const RegisterCell &C) {
332   RegisterCell RC(W);
349   RegisterCell getCell(const RegisterRef &RR, const CellMapType &M) const;
350   void putCell(const RegisterRef &RR, RegisterCell RC, CellMapType &M) const;
354   RegisterCell getRef(const RegisterRef &RR, const CellMapType &M) const {
355     RegisterCell RC = getCell(RR, M);
356     return RegisterCell::ref(RC);
361   bool isInt(const RegisterCell &A) const;
363   uint64_t toInt(const RegisterCell &A) const;
366   RegisterCell eIMM(int64_t V, uint16_t W) const;
367   RegisterCell eIMM(const ConstantInt *CI) const;
370   RegisterCell eADD(const RegisterCell &A1, const RegisterCell &A2) const;
371   RegisterCell eSUB(const RegisterCell &A1, const RegisterCell &A2) const;
372   RegisterCell eMLS(const RegisterCell &A1, const RegisterCell &A2) const;
373   RegisterCell eMLU(const RegisterCell &A1, const RegisterCell &A2) const;
376   RegisterCell eASL(const RegisterCell &A1, uint16_t Sh) const;
377   RegisterCell eLSR(const RegisterCell &A1, uint16_t Sh) const;
378   RegisterCell eASR(const RegisterCell &A1, uint16_t Sh) const;
381   RegisterCell eAND(const RegisterCell &A1, const RegisterCell &A2) const;
382   RegisterCell eORL(const RegisterCell &A1, const RegisterCell &A2) const;
383   RegisterCell eXOR(const RegisterCell &A1, const RegisterCell &A2) const;
384   RegisterCell eNOT(const RegisterCell &A1) const;
387   RegisterCell eSET(const RegisterCell &A1, uint16_t BitN) const;
388   RegisterCell eCLR(const RegisterCell &A1, uint16_t BitN) const;
391   RegisterCell eCLB(const RegisterCell &A1, bool B, uint16_t W) const;
392   RegisterCell eCTB(const RegisterCell &A1, bool B, uint16_t W) const;
395   RegisterCell eSXT(const RegisterCell &A1, uint16_t FromN) const;
396   RegisterCell eZXT(const RegisterCell &A1, uint16_t FromN) const;
401   RegisterCell eXTR(const RegisterCell &A1, uint16_t B, uint16_t E) const;
402   RegisterCell eINS(const RegisterCell &A1, const RegisterCell &A2,