[all-commits] [llvm/llvm-project] f31090: AMDGPU: Add subtarget feature for controllable xna...

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/amdgpu/add-xnack-on-off-modes
  Home:   https://github.com/llvm/llvm-project
  Commit: f310904c23619b0db4c08cc300165a07ef3322f5
      https://github.com/llvm/llvm-project/commit/f310904c23619b0db4c08cc300165a07ef3322f5
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2026-06-18 (Thu, 18 Jun 2026)

  Changed paths:
    M clang/lib/Driver/ToolChains/AMDGPU.cpp
    M llvm/include/llvm/TargetParser/AMDGPUTargetParser.def
    M llvm/include/llvm/TargetParser/AMDGPUTargetParser.h
    M llvm/lib/Target/AMDGPU/AMDGPU.td
    M llvm/lib/Target/AMDGPU/GCNSubtarget.cpp
    M llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.h
    M llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
    M llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h
    A llvm/test/CodeGen/AMDGPU/target-id-xnack-always-on.ll

  Log Message:
  -----------
  AMDGPU: Add subtarget feature for controllable xnack modes

This replaces the previously removed xnack-any-only feature,
with the inversion xnack-on-off-modes. All pre-gfx12.5 xnack
targets support the controllable mode. Ignore explicitly
set xnack settings the same way as is done for xnack requests
on other unsupported targets.



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