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

[Chris Lattner via Phabricator via llvm-commits]

lattner added a comment.

> But if we're in an unreachable block, then we allow other IR forms that are even less expected (self-reference), so we should loosen this restriction?

Yes, I'm suggesting we delete that assertion entirely and just check that # entries = # predecessors.


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

https://reviews.llvm.org/D92247