94   struct RegisterSet : private BitVector {  struct
95     RegisterSet() = default;
96     explicit RegisterSet(unsigned s, bool t = false) : BitVector(s, t) {}  in RegisterSet()  argument
97     RegisterSet(const RegisterSet &RS) = default;
98     RegisterSet &operator=(const RegisterSet &RS) = default;
116     RegisterSet &insert(unsigned R) {  in insert()  argument
119       return static_cast<RegisterSet&>(BitVector::set(Idx));  in insert()
121     RegisterSet &remove(unsigned R) {  in remove()  argument
125       return static_cast<RegisterSet&>(BitVector::reset(Idx));  in remove()
128     RegisterSet &insert(const RegisterSet &Rs) {  in insert()  argument
129       return static_cast<RegisterSet&>(BitVector::operator|=(Rs));  in insert()
131     RegisterSet &remove(const RegisterSet &Rs) {  in remove()  argument
132       return static_cast<RegisterSet&>(BitVector::reset(Rs));  in remove()
155     bool includes(const RegisterSet &Rs) const {  in includes()  argument
159     bool intersects(const RegisterSet &Rs) const {  in intersects()  argument
179     PrintRegSet(const RegisterSet &S, const TargetRegisterInfo *RI)  in PrintRegSet()
186     const RegisterSet &RS;
492   using IFRecordWithRegSet = std::pair<IFRecord, RegisterSet>;
537     void getInstrDefs(const MachineInstr *MI, RegisterSet &Defs) const;
538     void getInstrUses(const MachineInstr *MI, RegisterSet &Uses) const;
548           RegisterSet &RMs) const;
717       RegisterSet &Defs) const {  in getInstrDefs()
729       RegisterSet &Uses) const {  in getInstrUses()
906         IFRecordWithRegSet RR(IFRecord(SrcR, InsR, L, S), RegisterSet());  in findRecordInsertForms()
930   RegisterSet BlockDefs, InsDefs;  in collectInBlock()
976       RegisterSet &RMs) const {  in findRemovableRegisters()
981   RegisterSet Regs[2];  in findRemovableRegisters()
1105     LL.push_back(std::make_pair(MaxIF, RegisterSet()));  in pruneCoveredSets()
1116     const RegisterSet &RMi = LL[i].second;  in pruneCoveredSets()
1211     void stats(const RegisterSet &Rs, unsigned &Size, unsigned &Zero,
1248 void IFOrdering::stats(const RegisterSet &Rs, unsigned &Size, unsigned &Zero,  in stats()
1268   RegisterSet AllRMs;  in selectCandidates()
1274     RegisterSet TT;  in selectCandidates()
1328     RegisterSet Us;  in selectCandidates()