[all-commits] [llvm/llvm-project] 920495: [MISched] Compare right next cluster node (#116584)

[Pengcheng Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 920495c959d44881b8bb602036c8ea003a04dc3f
      https://github.com/llvm/llvm-project/commit/920495c959d44881b8bb602036c8ea003a04dc3f
  Author: Pengcheng Wang <wangpengcheng.pp at bytedance.com>
  Date:   2024-12-10 (Tue, 10 Dec 2024)

  Changed paths:
    M llvm/lib/CodeGen/MachineScheduler.cpp
    M llvm/test/CodeGen/RISCV/macro-fusion-lui-addi.ll

  Log Message:
  -----------
  [MISched] Compare right next cluster node (#116584)

We support bottom-up and bidirectonal postra scheduling now, but we
only compare successive next cluster node as if we are doing topdown
scheduling. This makes load/store clustering and macro fusions wrong.

This patch makes sure that we can get the right cluster node by the
scheduling direction.



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