lib/CodeGen/MLRegAllocEvictAdvisor.cpp

308                                    unsigned OrderLimit, uint8_t CostPerUseLimit,
324       uint8_t CostPerUseLimit,
440       unsigned OrderLimit, uint8_t CostPerUseLimit,
665     uint8_t CostPerUseLimit, const SmallVirtRegSet &FixedRegisters) const {
666   auto MaybeOrderLimit = getOrderLimit(VirtReg, Order, CostPerUseLimit);
671   // The heuristic sets initial costs such as, if CostPerUseLimit is
678       (!VirtReg.isSpillable() && CostPerUseLimit == static_cast<uint8_t>(~0u));
709     if (!canAllocatePhysReg(CostPerUseLimit, PhysReg)) {
778       VirtReg, Order, OrderLimit, CostPerUseLimit, FixedRegisters);
1086     unsigned OrderLimit, uint8_t CostPerUseLimit,
1091         VirtReg, Order, OrderLimit, CostPerUseLimit, FixedRegisters);
1094         VirtReg, Order, CostPerUseLimit, FixedRegisters);