[PATCH] D100264: [SCEV] Don't walk uses of phis without SCEV expression when forgetting

[Nikita Popov via Phabricator via llvm-commits]

nikic added a comment.

In D100264#2690562 <https://reviews.llvm.org/D100264#2690562>, @uabelho wrote:

> I wrote
> https://bugs.llvm.org/show_bug.cgi?id=49967
> about a crash that started appearing with this patch.

Thanks, that was enlightening. I've left a comment there on why this broke. Unfortunately, the assumption this patch is based on turns out to be wrong :)


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  https://reviews.llvm.org/D100264/new/

https://reviews.llvm.org/D100264