[PATCH] D92247: [IR][LoopRotate] avoid leaving phi with no operands (PR48296)

Roman Lebedev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Nov 27 13:31:06 PST 2020

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lebedev.ri added a comment.

I think the bug is downstream - `removePredecessor()`'s default for `KeepOneInputPHIs` is `false`,
so someone explicitly asked for this behaviour.


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  https://reviews.llvm.org/D92247/new/

https://reviews.llvm.org/D92247

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