[all-commits] [llvm/llvm-project] 5a1f23: [MISched] Add a hook to override PostRA scheduling...

[Pengcheng Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5a1f239df55c25d49d6c193ef469606713fc74de
      https://github.com/llvm/llvm-project/commit/5a1f239df55c25d49d6c193ef469606713fc74de
  Author: Pengcheng Wang <wangpengcheng.pp at bytedance.com>
  Date:   2024-11-12 (Tue, 12 Nov 2024)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetSubtargetInfo.h
    M llvm/lib/CodeGen/MachineScheduler.cpp

  Log Message:
  -----------
  [MISched] Add a hook to override PostRA scheduling policy (#115455)


PostRA scheduling supports different directions now, but we can
only specify it via command line options.

This patch adds a new hook `overridePostRASchedPolicy` for targets
to override PostRA scheduling policy.

Note that some options like tracking register pressure won't take
effect in PostRA scheduling.



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