[PATCH] D141712: [GVN] Improve PRE on load instructions

[Hans Wennborg via Phabricator via llvm-commits]

hans added a comment.

In D141712#4101594 <https://reviews.llvm.org/D141712#4101594>, @Carrot wrote:

> Check for implicit control flow instruction in function findLoadToHoistIntoPred, so we can avoid moving load across unexpected control flow.
>
> @reames and @hans please try to see if this patch works for your code.

Sadly, our test fails also with this version.

We don't have a reduced repro.

Would it be possible to try this out on some code internally in case any test there exposes the problem?


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