[all-commits] [llvm/llvm-project] 9a7a66: [offload-arch] Do not print "-strict" if it is dis...

[A. Cauble via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9a7a665cbe2a9e59403bcfb59ac6c1294370e8ee
      https://github.com/llvm/llvm-project/commit/9a7a665cbe2a9e59403bcfb59ac6c1294370e8ee
  Author: A. Cauble <accauble at users.noreply.github.com>
  Date:   2026-09-22 (Tue, 22 Sep 2026)

  Changed paths:
    M clang/tools/offload-arch/AMDGPUArchByKFD.cpp
    M clang/unittests/offload-arch/OffloadArchTest.cpp

  Log Message:
  -----------
  [offload-arch] Do not print "-strict" if it is disabled by the environment (#224688)

## Motivation

Right now, `HSA_DISABLE_GFX12_STRICT` is set to 1 by default, which the
runtime follows as "gfx1250". The only way to set the runtime to
"gfx1250-strict" is to set `HSA_DISABLE_GFX12_STRICT=0`. My
understanding is that this is a temporary patch to ROCr to ease the
transition to "gfx1250-strict". This PR adds a helper to reflect the
current state.

[This is how
ROCr](https://github.com/ROCm/rocm-systems/blob/28d10d31fcb04d53dedee5c6e66427f0b0449a9e/projects/rocr-runtime/runtime/hsa-runtime/core/util/flag.h#L256)
controls "strict". The very similar rocm_agent_enumerator code can be
found
[here](https://github.com/ROCm/rocm-systems/blob/855ab23c50ee8635e6c068fc3f9ec2eb01f075e0/projects/rocminfo/rocm_agent_enumerator#L270-L273).

## Testing

* Updated the unit tests to keep track of the environment variable and
to check for the expected value depending on it.



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