llvm / llvm/offload-test-suite
[Metal] `firstbitlow.16`, `firstbitlow.64`, and `firstbithigh.64` fail with `gpu-exec: error: Failed to materializeAll.:` on Metal
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- Dominant language
- C++
- Stars
- 18
- Forks
- 39
- Avg merge
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- Merged PRs (30d)
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Description
The following tests fail with `gpu-exec: error: Failed to materializeAll.:` on Metal:
- test/Feature/HLSLLib/firstbitlow.16.test
- test/Feature/HLSLLib/firstbitlow.64.test
- test/Feature/HLSLLib/firstbithigh.64.test
As can be seen in the logs:
- https://github.com/llvm/offload-test-suite/actions/runs/19942216828/job/57182673499?pr=590
- https://github.com/llvm/offload-test-suite/actions/runs/19942216828/job/57182673462?pr=590
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the failing tests test/Feature/HLSLLib/firstbitlow.16.test, firstbitlow.64.test, and firstbithigh.64.test, then review the linked Metal CI logs for the gpu-exec materialization failure. Done means all three tests complete successfully on Metal without the reported error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- testing
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100