[PATCH] D100780: [Passes] Add extra LoopSimplifyCFG run after IndVarSimplify.

[Florian Hahn via Phabricator via llvm-commits]

fhahn added a comment.

In D100780#3503970 <https://reviews.llvm.org/D100780#3503970>, @nikic wrote:

> Would it be possible to add a PhaseOrdering test that shows an optimization improvement (e.g. the #29339 one)?

I just tried, but it looks like this particular issue has been fixed in 14.0 and it looks like now SimplifyCFG is able to simplify the branches late. I *could* try to extract a phase ordering test for one of the cases where we now vectorize?


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