[all-commits] [llvm/llvm-project] e6ae24: [AMDGPU] Refactor hazard recognizer for VALU-pipel...

[Stanislav Mekhanoshin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e6ae2462bd6dcf583ccd13c6627fe3ffe8a17f2c
      https://github.com/llvm/llvm-project/commit/e6ae2462bd6dcf583ccd13c6627fe3ffe8a17f2c
  Author: Stanislav Mekhanoshin <Stanislav.Mekhanoshin at amd.com>
  Date:   2025-12-01 (Mon, 01 Dec 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
    M llvm/lib/Target/AMDGPU/GCNHazardRecognizer.h

  Log Message:
  -----------
  [AMDGPU] Refactor hazard recognizer for VALU-pipeline hazards. NFCI. (#168801)

This is in preparation of handling these in scheduler. I do not expect
any changes to the produced code here, it is just an infrastructure.
Our current problem with the VALU pipeline hazards is that we only
insert V_NOP instructions in the hazard recognizer mode, but ignore
it during scheduling. This patch is meant to create a mechanism to
actually account for that during scheduling.



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