[PATCH] D70593: [LCSSA] Don't use VH callbacks to invalidate SCEV when creating LCSSA phis
Daniil Suchkov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Nov 25 20:47:47 PST 2019
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.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D70593/new/
https://reviews.llvm.org/D70593
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