343     const TargetRegisterClass *DstRC = MRI.getRegClass(Dst);  in setRegisters()  local
351       NewRC = TRI.getCommonSuperRegClass(SrcRC, SrcSub, DstRC, DstSub,  in setRegisters()
358       NewRC = TRI.getMatchingSuperRegClass(DstRC, SrcRC, DstSub);  in setRegisters()
362       NewRC = TRI.getMatchingSuperRegClass(SrcRC, DstRC, SrcSub);  in setRegisters()
365       NewRC = TRI.getCommonSubClass(DstRC, SrcRC);  in setRegisters()
380     CrossClass = NewRC != DstRC || NewRC != SrcRC;  in setRegisters()
959       const TargetRegisterClass *DstRC = MRI->getRegClass(DstReg);  in reMaterializeTrivialDef()  local
961         TRI->getCommonSubClass(DefRC, DstRC);  in reMaterializeTrivialDef()
1280     auto DstRC = MRI->getRegClass(CP.getDstReg());  in joinCopy()  local
1285       std::swap(SrcRC, DstRC);  in joinCopy()
1287     if (!TRI->shouldCoalesce(CopyMI, SrcRC, SrcIdx, DstRC, DstIdx,  in joinCopy()