125 void RegisterClassInfo::compute(const TargetRegisterClass *RC) const {  in compute()
126   assert(RC && "no register class given");  in compute()
127   RCInfo &RCI = RegClass[RC->getID()];  in compute()
131   unsigned NumRegs = RC->getNumRegs();  in compute()
144   ArrayRef<MCPhysReg> RawOrder = RC->getRawAllocationOrder(*MF);  in compute()
181           TRI->getLargestLegalSuperClass(RC, *MF))  in compute()
182     if (Super != RC && getNumAllocatableRegs(Super) > RCI.NumRegs)  in compute()
189     dbgs() << "AllocationOrder(" << TRI->getRegClassName(RC) << ") = [";  in compute()
203   const TargetRegisterClass *RC = nullptr;  in computePSetLimit()  local
217     if (!RC || NUnits > NumRCUnits) {  in computePSetLimit()
218       RC = C;  in computePSetLimit()
222   assert(RC && "Failed to find register class");  in computePSetLimit()
223   compute(RC);  in computePSetLimit()
224   unsigned NAllocatableRegs = getNumAllocatableRegs(RC);  in computePSetLimit()
232   unsigned NReserved = RC->getNumRegs() - NAllocatableRegs;  in computePSetLimit()
233   return RegPressureSetLimit - TRI->getRegClassWeight(RC).RegWeight * NReserved;  in computePSetLimit()