[PATCH] D134930: [LoopInterchange] Do not interchange when a reduction phi in all subloops of the outer loop is not recognizable

[Congzhe Cao via Phabricator via llvm-commits]

congzhe added a comment.

According to the discussion at the LoopOptWG, I will land the patch to fix the miscompile for now. Will look into how to fully support such reduction scenarios as the next steps.


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  https://reviews.llvm.org/D134930/new/

https://reviews.llvm.org/D134930