[PATCH] D15559: [SCEVExpander] Make findExistingExpansion smarter

[Junmo Park via llvm-commits]

flyingforyou retitled this revision from "[LoopUnrollRuntime] Do unroll when IV's setp is one or minus one" to "[SCEVExpander] Make findExistingExpansion smarter".
flyingforyou updated the summary for this revision.
flyingforyou updated this revision to Diff 43517.
flyingforyou marked an inline comment as done.
flyingforyou added a comment.
Herald added a subscriber: sanjoy.

Addressed Sanjoy's comment.

Following your suggestion, I realized that checing IV's step is not necessary any more.

I really appreciate your review.


http://reviews.llvm.org/D15559

Files:
  lib/Analysis/ScalarEvolutionExpander.cpp
  lib/Transforms/Utils/LoopUnrollRuntime.cpp
  test/Transforms/LoopUnroll/high-cost-trip-count-computation.ll

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