[PATCH] D130677: [AMDGPU] Fix DGEMM hazard for GFX90a

[Vang Thao via Phabricator via llvm-commits]

vangthao updated this revision to Diff 448743.
vangthao added a comment.

Hoisted MRI and hazard check function out of loop. Simplififed hazard check to only keep track if we saw a DGEMM instruction on reverse traversal path to reg def.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130677/new/

https://reviews.llvm.org/D130677

Files:
  llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
  llvm/test/CodeGen/AMDGPU/mai-hazards-gfx90a.mir
  llvm/test/CodeGen/AMDGPU/mai-hazards-gfx940.mir

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