455   NewRC = nullptr;  in setRegisters()
501       NewRC = TRI.getCommonSuperRegClass(SrcRC, SrcSub, DstRC, DstSub,  in setRegisters()
503       if (!NewRC)  in setRegisters()
508       NewRC = TRI.getMatchingSuperRegClass(DstRC, SrcRC, DstSub);  in setRegisters()
512       NewRC = TRI.getMatchingSuperRegClass(SrcRC, DstRC, SrcSub);  in setRegisters()
515       NewRC = TRI.getCommonSubClass(DstRC, SrcRC);  in setRegisters()
519     if (!NewRC)  in setRegisters()
530     CrossClass = NewRC != DstRC || NewRC != SrcRC;  in setRegisters()
1382   const TargetRegisterClass *NewRC = CP.getNewRC();  in reMaterializeTrivialDef()  local
1392         NewRC = CommonRC;  in reMaterializeTrivialDef()
1484         NewRC = TRI->getMatchingSuperRegClass(NewRC, DefRC, NewIdx);  in reMaterializeTrivialDef()
1486         NewRC = TRI->getCommonSubClass(NewRC, DefRC);  in reMaterializeTrivialDef()
1487       assert(NewRC && "subreg chosen for remat incompatible with instruction");  in reMaterializeTrivialDef()
1494     MRI->setRegClass(DstReg, NewRC);  in reMaterializeTrivialDef()