36     RegisterSet(const RegisterSet &RS) : BitVector(RS) {}  in RegisterSet()
118       : RS(S), TRI(RI) {}  in PrintRegSet()
122     const RegisterSet &RS;  member
130     for (unsigned R = P.RS.find_first(); R; R = P.RS.find_next(R))  in operator <<()
184         const BitTracker::RegisterRef &RS, MachineRegisterInfo &MRI);
881       const BitTracker::RegisterRef &RS, MachineRegisterInfo &MRI) {  in isTransparentCopy()  argument
883       !TargetRegisterInfo::isVirtualRegister(RS.Reg))  in isTransparentCopy()
890   return DRC == getFinalVRegClass(RS, MRI);  in isTransparentCopy()
1013     bool usedBitsEqual(BitTracker::RegisterRef RD, BitTracker::RegisterRef RS);
1226       BitTracker::RegisterRef RS) {  in usedBitsEqual()  argument
1228   const BitTracker::RegisterCell &SC = BT.lookup(RS.Reg);  in usedBitsEqual()
1234   if (!HBS::getSubregMask(RS, SB, SW, MRI))  in usedBitsEqual()
1277       BitTracker::RegisterRef RS = Op;  in processBlock()  local
1278       if (!BT.has(RS.Reg))  in processBlock()
1280       if (!HBS::isTransparentCopy(RD, RS, MRI))  in processBlock()
1284       if (!HBS::getSubregMask(RS, BN, BW, MRI))  in processBlock()
1287       const BitTracker::RegisterCell &SC = BT.lookup(RS.Reg);  in processBlock()
1288       if (!usedBitsEqual(RD, RS) && !HBS::isEqual(DC, 0, SC, BN, BW))  in processBlock()
1296           .addReg(RS.Reg, 0, RS.Sub);  in processBlock()
1594       BitTracker::RegisterRef RS = MI.getOperand(1);  in propagateRegCopy()  local
1595       if (!HBS::isTransparentCopy(RD, RS, MRI))  in propagateRegCopy()
1597       if (RS.Sub != 0)  in propagateRegCopy()
1598         Changed = HBS::replaceRegWithSub(RD.Reg, RS.Reg, RS.Sub, MRI);  in propagateRegCopy()
1600         Changed = HBS::replaceReg(RD.Reg, RS.Reg, MRI);  in propagateRegCopy()
1626       BitTracker::RegisterRef RS = MI.getOperand(SrcX);  in propagateRegCopy()  local
1627       Changed = HBS::replaceSubWithSub(RD.Reg, Sub, RS.Reg, RS.Sub, MRI);  in propagateRegCopy()
1820   BitTracker::RegisterRef RS = ValOp;  in genStoreUpperHalf()  local
1821   if (!BT.has(RS.Reg))  in genStoreUpperHalf()
1823   const BitTracker::RegisterCell &RC = BT.lookup(RS.Reg);  in genStoreUpperHalf()
1864   BitTracker::RegisterRef RS = MI->getOperand(2);  in genStoreImmediate()  local
1865   if (!BT.has(RS.Reg))  in genStoreImmediate()
1867   const BitTracker::RegisterCell &RC = BT.lookup(RS.Reg);  in genStoreImmediate()
2033     BitTracker::RegisterRef RS = Op;  in genExtractLow()  local
2034     if (!BT.has(RS.Reg))  in genExtractLow()
2036     const BitTracker::RegisterCell &SC = BT.lookup(RS.Reg);  in genExtractLow()
2038     if (!HBS::getSubregMask(RS, BN, BW, MRI))  in genExtractLow()
2047                   .addReg(RS.Reg, 0, RS.Sub);  in genExtractLow()
2073   BitTracker::RegisterRef RS = MI->getOperand(1);  in simplifyTstbit()  local
2076   if (!BT.has(RS.Reg) || !HBS::getSubregMask(RS, F, W, MRI))  in simplifyTstbit()
2082   const BitTracker::RegisterCell &SC = BT.lookup(RS.Reg);  in simplifyTstbit()
2084   if (V.Type == BitTracker::BitValue::Ref && V.RefI.Reg != RS.Reg) {  in simplifyTstbit()