[PATCH] D106010: [SimplifyCFG] Rerun PHI deduplication after common code sinkinkg (PR51092)

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 added a comment.

>> The alternative is to schedule a new EarlyCSE pass invocation somewhere later in the pipeline.

Clearly, we don't have any EarlyCSE runs in module optimization passline, so this pattern isn't cleaned up...

Maybe slowly we gather more and more motivation cases to justify another run of CSE?

I remember this PR where another CSE run would help as well.
https://bugs.llvm.org/show_bug.cgi?id=42755


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https://reviews.llvm.org/D106010