[PATCH] D34822: [LVI] Constant-propagate a zero extension of the switch condition value through case edges

Daniel Berlin via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 20 17:44:02 PDT 2017


dberlin added a comment.

NewGVN, and other things will already get such cases.
I have a bug open for LVI to use predicateinfo, which would make it sensitive to this, as well as make it much faster, but that is a big amount of work.


https://reviews.llvm.org/D34822





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