[PATCH] D82227: SLP: honor requested max vector size merging PHIs

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

I think some of the problem is the cost model inherits a lot of the bad SelectionDAG mentality of what constitutes "legal". It would be good if we can move the IR heuristics away from the concept of legal types


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  https://reviews.llvm.org/D82227/new/

https://reviews.llvm.org/D82227