[PATCH] D45330: [WIP][IPSCCP] Use PredicateInfo to propagate facts from cmp instructions.

Daniel Berlin via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Apr 9 15:02:04 PDT 2018


dberlin added a comment.

whoops, hit send early.
That said, if you find this actually generates gains (papers on it basically say it should be a few percent improvement in found constants),  i don't have any intrinsic reason not to do it just make sure we get the cost vs gain tradeoff right.


https://reviews.llvm.org/D45330





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