[all-commits] [llvm/llvm-project] 0e704a: [AMDGPU] Fix illegal AGPR reclassification in Rewr...

[Dmitry Sidorov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0e704a021a5b9c82ee59d855401ef427385e4af1
      https://github.com/llvm/llvm-project/commit/0e704a021a5b9c82ee59d855401ef427385e4af1
  Author: Dmitry Sidorov <Dmitry.Sidorov at amd.com>
  Date:   2026-06-12 (Fri, 12 Jun 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/GCNSchedStrategy.cpp
    M llvm/lib/Target/AMDGPU/GCNSchedStrategy.h
    M llvm/test/CodeGen/AMDGPU/sched_mfma_rewrite_copies.mir

  Log Message:
  -----------
  [AMDGPU] Fix illegal AGPR reclassification in RewriteMFMAFormStage (#200972)

If src2 escapes rewrite group then bridge copy AGPR -> VGPR must be
inserted.

Fixes a regression after
https://github.com/llvm/llvm-project/pull/198555



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