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...or a candidate is done by the strategy. The generic interface, getMaxPressureDelta(), is very clunky now. I’m going to improve it, but If you’re writing a target specific strategy, it’s probably easier to directly query a pressure set for a specific register class. e.g. RC =TRI->getRegClass(R) *PSetID = TRI->getRegClassPressureSets(RC) Now you have a raw pointer right into the machine model’s null terminated array of PSetIDs that are affected by a register class (targets often have several overlapping register classes). You can choose one of those sets to track or track them all. I’m about t...

Hi, I'm working on defining a SchedMachineModel for the Southern Islands family of GPUs, and I have two questions related to the MachineScheduler. 1. I have a resource that can process 15 instructions at the same time. In the TableGen definitions, should I do: def HWVMEM : ProcResource<15>; or let BufferSize = 15 in { def HWVMEM : ProcResource<1>; } 2. Southern Islands has