50       Classes(TRI->getNumRegs(), nullptr), KillIndices(TRI->getNumRegs(), 0),  in CriticalAntiDepBreaker()
59     Classes[i] = nullptr;  in StartBlock()
77         Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in StartBlock()
95       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in StartBlock()
125       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in Observe()
132       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in Observe()
200     if (!Classes[Reg] && NewRC)  in PrescanInstruction()
201       Classes[Reg] = NewRC;  in PrescanInstruction()
202     else if (!NewRC || Classes[Reg] != NewRC)  in PrescanInstruction()
203       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in PrescanInstruction()
211       if (Classes[AliasReg]) {  in PrescanInstruction()
212         Classes[AliasReg] = reinterpret_cast<TargetRegisterClass *>(-1);  in PrescanInstruction()
213         Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in PrescanInstruction()
218     if (Classes[Reg] != reinterpret_cast<TargetRegisterClass *>(-1))  in PrescanInstruction()
232         Classes[Reg] == reinterpret_cast<TargetRegisterClass *>(-1)) {  in PrescanInstruction()
271             Classes[i] = nullptr;  in ScanInstruction()
294         Classes[SubregReg] = nullptr;  in ScanInstruction()
301         Classes[*SR] = reinterpret_cast<TargetRegisterClass *>(-1);  in ScanInstruction()
317     if (!Classes[Reg] && NewRC)  in ScanInstruction()
318       Classes[Reg] = NewRC;  in ScanInstruction()
319     else if (!NewRC || Classes[Reg] != NewRC)  in ScanInstruction()
320       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in ScanInstruction()
418         Classes[NewReg] == reinterpret_cast<TargetRegisterClass *>(-1) ||  in findSuitableFreeRegister()
629     const TargetRegisterClass *RC = AntiDepReg != 0 ? Classes[AntiDepReg]  in BreakAntiDependencies()
670         Classes[NewReg] = Classes[AntiDepReg];  in BreakAntiDependencies()
677         Classes[AntiDepReg] = nullptr;  in BreakAntiDependencies()