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@arsenm arsenm commented Apr 18, 2025

This also demonstrates a bug that's a consequence of the two different
paths for the single and multithreaded cases. The parallel path goes
through bitcode serialization and does preserve the uselistorder. It
therefore survives and we can observe a reduced uselistorder with deleted
instructions. In the CloneModule case, nothing is reduced.

This also demonstrates a bug that's a consequence of the two different
paths for the single and multithreaded cases. The parallel path goes
through bitcode serialization and does preserve the uselistorder. It
therefore survives and we can observe a reduced uselistorder with deleted
instructions. In the CloneModule case, nothing is reduced.
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arsenm commented Apr 18, 2025

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@arsenm arsenm marked this pull request as ready for review April 18, 2025 10:19
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arsenm commented Apr 18, 2025

Merge activity

  • Apr 18, 9:32 AM EDT: A user started a stack merge that includes this pull request via Graphite.
  • Apr 18, 9:34 AM EDT: A user merged this pull request with Graphite.

@arsenm arsenm merged commit 7307736 into main Apr 18, 2025
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@arsenm arsenm deleted the users/arsenm/llvm-reduce/adjust-thinlto-uselistorder-test branch April 18, 2025 13:34
IanWood1 pushed a commit to IanWood1/llvm-project that referenced this pull request May 6, 2025
…lvm#136288)

This also demonstrates a bug that's a consequence of the two different
paths for the single and multithreaded cases. The parallel path goes
through bitcode serialization and does preserve the uselistorder. It
therefore survives and we can observe a reduced uselistorder with deleted
instructions. In the CloneModule case, nothing is reduced.
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2 participants