[PATCH] D82227: SLP: honor requested max vector size merging PHIs
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jun 22 13:59:44 PDT 2020
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
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