211     static bool getSubregMask(const BitTracker::RegisterRef &RR,
218         BitTracker::RegisterRef &SL, BitTracker::RegisterRef &SH,
227         const BitTracker::RegisterRef &RR, MachineRegisterInfo &MRI);
228     static bool isTransparentCopy(const BitTracker::RegisterRef &RD,
229         const BitTracker::RegisterRef &RS, MachineRegisterInfo &MRI);
408 bool HexagonBitSimplify::getSubregMask(const BitTracker::RegisterRef &RR,  in getSubregMask()
436       BitTracker::RegisterRef &SL, BitTracker::RegisterRef &SH,  in parseRegSequence()
899       const BitTracker::RegisterRef &RR, MachineRegisterInfo &MRI) {  in getFinalVRegClass()
929 bool HexagonBitSimplify::isTransparentCopy(const BitTracker::RegisterRef &RD,  in isTransparentCopy()
930       const BitTracker::RegisterRef &RS, MachineRegisterInfo &MRI) {  in isTransparentCopy()
1069     bool usedBitsEqual(BitTracker::RegisterRef RD, BitTracker::RegisterRef RS);
1218       BitTracker::RegisterRef UR = *I;  in computeUsedBits()
1263     BitTracker::RegisterRef RR = MI.getOperand(OpN);  in computeUsedBits()
1280 bool RedundantInstrElimination::usedBitsEqual(BitTracker::RegisterRef RD,  in usedBitsEqual()
1281       BitTracker::RegisterRef RS) {  in usedBitsEqual()
1322     BitTracker::RegisterRef RD = MI->getOperand(0);  in processBlock()
1332       BitTracker::RegisterRef RS = Op;  in processBlock()
1507     bool findMatch(const BitTracker::RegisterRef &Inp,
1508         BitTracker::RegisterRef &Out, const RegisterSet &AVs);
1539 bool CopyGeneration::findMatch(const BitTracker::RegisterRef &Inp,  in findMatch()
1540       BitTracker::RegisterRef &Out, const RegisterSet &AVs) {  in findMatch()
1609       BitTracker::RegisterRef MR;  in processBlock()
1616         BT.put(BitTracker::RegisterRef(NewR), BT.get(MR));  in processBlock()
1627         BitTracker::RegisterRef TL = { R, SubLo };  in processBlock()
1628         BitTracker::RegisterRef TH = { R, SubHi };  in processBlock()
1629         BitTracker::RegisterRef ML, MH;  in processBlock()
1638           BT.put(BitTracker::RegisterRef(NewR), BT.get(R));  in processBlock()
1670   BitTracker::RegisterRef RD = MI.getOperand(0);  in propagateRegCopy()
1677       BitTracker::RegisterRef RS = MI.getOperand(1);  in propagateRegCopy()
1687       BitTracker::RegisterRef SL, SH;  in propagateRegCopy()
1702       BitTracker::RegisterRef RH = MI.getOperand(1), RL = MI.getOperand(2);  in propagateRegCopy()
1712       BitTracker::RegisterRef RS = MI.getOperand(SrcX);  in propagateRegCopy()
1752     struct RegHalf : public BitTracker::RegisterRef {
1758     bool validateReg(BitTracker::RegisterRef R, unsigned Opc, unsigned OpNum);
1761           BitTracker::RegisterRef &Rs, BitTracker::RegisterRef &Rt);
1766     bool genPackhl(MachineInstr *MI, BitTracker::RegisterRef RD,
1768     bool genExtractHalf(MachineInstr *MI, BitTracker::RegisterRef RD,
1770     bool genCombineHalf(MachineInstr *MI, BitTracker::RegisterRef RD,
1772     bool genExtractLow(MachineInstr *MI, BitTracker::RegisterRef RD,
1774     bool genBitSplit(MachineInstr *MI, BitTracker::RegisterRef RD,
1776     bool simplifyTstbit(MachineInstr *MI, BitTracker::RegisterRef RD,
1778     bool simplifyExtractLow(MachineInstr *MI, BitTracker::RegisterRef RD,
1780     bool simplifyRCmp0(MachineInstr *MI, BitTracker::RegisterRef RD);
1877 bool BitSimplification::validateReg(BitTracker::RegisterRef R, unsigned Opc,  in validateReg()
1887       const BitTracker::RegisterCell &RC, BitTracker::RegisterRef &Rs,  in matchPackhl()
1888       BitTracker::RegisterRef &Rt) {  in matchPackhl()
1923   BitTracker::RegisterRef RS = ValOp;  in genStoreUpperHalf()
1968   BitTracker::RegisterRef RS = MI->getOperand(2);  in genStoreImmediate()
2017       BitTracker::RegisterRef RD, const BitTracker::RegisterCell &RC) {  in genPackhl()
2021   BitTracker::RegisterRef Rs, Rt;  in genPackhl()
2037   BT.put(BitTracker::RegisterRef(NewR), RC);  in genPackhl()
2044       BitTracker::RegisterRef RD, const BitTracker::RegisterCell &RC) {  in genExtractHalf()
2076   BT.put(BitTracker::RegisterRef(NewR), RC);  in genExtractHalf()
2083       BitTracker::RegisterRef RD, const BitTracker::RegisterCell &RC) {  in genCombineHalf()
2108   BT.put(BitTracker::RegisterRef(NewR), RC);  in genCombineHalf()
2115       BitTracker::RegisterRef RD, const BitTracker::RegisterCell &RC) {  in genExtractLow()
2146     BitTracker::RegisterRef RS = Op;  in genExtractLow()
2168     BT.put(BitTracker::RegisterRef(NewR), RC);  in genExtractLow()
2175       BitTracker::RegisterRef RD, const BitTracker::RegisterCell &RC,  in genBitSplit()
2328       BitTracker::RegisterRef RD, const BitTracker::RegisterCell &RC) {  in simplifyTstbit()
2334   BitTracker::RegisterRef RS = MI->getOperand(1);  in simplifyTstbit()
2351     BitTracker::RegisterRef RR(V.RefI.Reg, 0);  in simplifyTstbit()
2388       BitTracker::RegisterRef RD, const BitTracker::RegisterCell &RC,  in simplifyExtractLow()
2571     BT.put(BitTracker::RegisterRef(NewR), RC);  in simplifyExtractLow()
2580       BitTracker::RegisterRef RD) {  in simplifyRCmp0()
2600   BitTracker::RegisterRef SR = MI->getOperand(1);  in simplifyRCmp0()
2626     BT.put(BitTracker::RegisterRef(NewR), NewRC);  in simplifyRCmp0()
2692       BT.put(BitTracker::RegisterRef(NewR), NewRC);  in simplifyRCmp0()
2729     BitTracker::RegisterRef RD = Op0;  in processBlock()
2916       BitTracker::RegisterRef Inp, Out;
2923       BitTracker::RegisterRef LR, PR; // Loop Register, Preheader Register