45       Classes(TRI->getNumRegs(), nullptr), KillIndices(TRI->getNumRegs(), 0),  in CriticalAntiDepBreaker()
54     Classes[i] = nullptr;  in StartBlock()
71         Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in StartBlock()
89       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in StartBlock()
119       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in Observe()
126       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in Observe()
180   // Classes and RegRefs.  in PrescanInstruction()
193     if (!Classes[Reg] && NewRC)  in PrescanInstruction()
194       Classes[Reg] = NewRC;  in PrescanInstruction()
195     else if (!NewRC || Classes[Reg] != NewRC)  in PrescanInstruction()
196       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in PrescanInstruction()
204       if (Classes[AliasReg]) {  in PrescanInstruction()
205         Classes[AliasReg] = reinterpret_cast<TargetRegisterClass *>(-1);  in PrescanInstruction()
206         Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in PrescanInstruction()
211     if (Classes[Reg] != reinterpret_cast<TargetRegisterClass *>(-1))  in PrescanInstruction()
228     // If this reg is tied and live (Classes[Reg] is set to -1), we can't change  in PrescanInstruction()
239         Classes[Reg] == reinterpret_cast<TargetRegisterClass *>(-1)) {  in PrescanInstruction()
273             Classes[i] = nullptr;  in ScanInstruction()
297         Classes[SubregReg] = nullptr;  in ScanInstruction()
304         Classes[SR] = reinterpret_cast<TargetRegisterClass *>(-1);  in ScanInstruction()
320     if (!Classes[Reg] && NewRC)  in ScanInstruction()
321       Classes[Reg] = NewRC;  in ScanInstruction()
322     else if (!NewRC || Classes[Reg] != NewRC)  in ScanInstruction()
323       Classes[Reg] = reinterpret_cast<TargetRegisterClass *>(-1);  in ScanInstruction()
418         Classes[NewReg] == reinterpret_cast<TargetRegisterClass *>(-1) ||  in findSuitableFreeRegister()
627     const TargetRegisterClass *RC = AntiDepReg != 0 ? Classes[AntiDepReg]  in BreakAntiDependencies()
668         Classes[NewReg] = Classes[AntiDepReg];  in BreakAntiDependencies()
675         Classes[AntiDepReg] = nullptr;  in BreakAntiDependencies()