[PATCH] D31843: [LCSSA] Try to not walk the dominator tree more than necessary

[Davide Italiano via Phabricator via llvm-commits]

davide updated this revision to Diff 94626.
davide added a comment.

Updated version, which is correct but not as fast :( (just 2 seconds faster than the unoptimized version).
Apparently we still spend too much time walking the dominator. I'll take a look.


https://reviews.llvm.org/D31843

Files:
  include/llvm/Analysis/LoopInfo.h
  lib/Transforms/Utils/LCSSA.cpp

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