[all-commits] [llvm/llvm-project] 5ff0ad: AMDGPU: Fix asserting on non-register mfma src2

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/amdgpu/fix-non-reg-src2-mfma-rewrite
  Home:   https://github.com/llvm/llvm-project
  Commit: 5ff0ad39041219eaed85728a6794de6be43b30c5
      https://github.com/llvm/llvm-project/commit/5ff0ad39041219eaed85728a6794de6be43b30c5
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-07-25 (Fri, 25 Jul 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPURewriteAGPRCopyMFMA.cpp
    M llvm/test/CodeGen/AMDGPU/inflate-reg-class-vgpr-mfma-to-agpr-negative-tests.mir
    M llvm/test/CodeGen/AMDGPU/inflate-reg-class-vgpr-mfma-to-av-with-load-source.mir

  Log Message:
  -----------
  AMDGPU: Fix asserting on non-register mfma src2

Also validate the subregister, although for the moment this
is redundant since we currently only process full copies.



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