[PATCH] D109368: [LV] Don't vectorize if we can prove RT + vector cost >= scalar cost.

[Evgeniy via Phabricator via llvm-commits]

ebrevnov added a comment.

In D109368#3028466 <https://reviews.llvm.org/D109368#3028466>, @fhahn wrote:

> That would be good, but unfortunately I think the epilogue vectorizer instantiation only has access to an ElementCount for now :( Can the threaded through as follow-up

There is no cost associated with runtime checks for epilogue vectorization. Thus we should simply initialize 'MinProfitableTripCount' with 'unset' value in Epilogue Vectorizer.


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https://reviews.llvm.org/D109368