[PATCH] D35918: [GVNHoist] Factor out reachability to search for anticipable instructions quickly
Aditya Kumar via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 26 15:31:42 PDT 2017
hiraditya added a comment.
In https://reviews.llvm.org/D35918#822143, @dberlin wrote:
> FYI: IDFCalculator can compute the PostDominanceFrontier in linear time.
I was unable to find how to pass the root node of inverse graph, because there might be more than one root.
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