[PATCH] D70593: [LCSSA] Don't use VH callbacks to invalidate SCEV when creating LCSSA phis

[Daniil Suchkov via Phabricator via llvm-commits]

DaniilSuchkov added a comment.

In D70593#1759353 <https://reviews.llvm.org/D70593#1759353>, @efriedma wrote:

> Are the changes to loop unswitch supposed to be in this patch?


Yes. I knew it won't be obvious, so I left an inline comment:

> This change is required to preserve current behavior in cases when it's valid: sometimes invalidation of SCEV through VH actually worked as intended.


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https://reviews.llvm.org/D70593