[all-commits] [llvm/llvm-project] 249e73: AMDGPU: Fix mis-selecting saddr flat atomics on gfx9

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/amdgpu/fix-mis-selecting-fp-atomics-saddr-gfx9
  Home:   https://github.com/llvm/llvm-project
  Commit: 249e73478efe0b8de0571338b6e2197c5bd5d114
      https://github.com/llvm/llvm-project/commit/249e73478efe0b8de0571338b6e2197c5bd5d114
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-09-04 (Thu, 04 Sep 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPU.td
    M llvm/lib/Target/AMDGPU/FLATInstructions.td
    M llvm/test/CodeGen/AMDGPU/flat-saddr-atomics.ll

  Log Message:
  -----------
  AMDGPU: Fix mis-selecting saddr flat atomics on gfx9

This would select the pseudo and then crash when the MC instruction
was used. I believe this has been broken since 9912ccb0b4d17



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