[PATCH] D28393: [SCEV] Make howFarToZero produce a smaller max backedge-taken count

[Eli Friedman via Phabricator via llvm-commits]

efriedma removed rL LLVM as the repository for this revision.
efriedma updated this revision to Diff 83834.
efriedma added a comment.

Update comments; add additional testcase.


https://reviews.llvm.org/D28393

Files:
  lib/Analysis/ScalarEvolution.cpp
  test/Analysis/ScalarEvolution/max-trip-count.ll

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