[llvm] [JumpThreading] Fix bugs of simplifying BB with unreachable predecessor (PR #68576)

Nikita Popov via llvm-commits llvm-commits at lists.llvm.org
Mon Oct 9 05:14:02 PDT 2023


https://github.com/nikic requested changes to this pull request.

Unreachable blocks are dominated by all blocks, so this is well-defined IR. If a pass fails to handle it correctly, that pass needs to be fixed.

https://github.com/llvm/llvm-project/pull/68576


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