[PATCH] D19256: PR27392 unroll epilog TripCount overflow fix.

[Evgeny Stupachenko via llvm-commits]

evstupac created this revision.
evstupac added reviewers: sanjoy, mzolotukhin.
evstupac added a subscriber: llvm-commits.
evstupac set the repository for this revision to rL LLVM.

We should compare BECount with (Count - 1) instead of TripCount with xtraiter.


Repository:
  rL LLVM

http://reviews.llvm.org/D19256

Files:
  lib/Transforms/Utils/LoopUnrollRuntime.cpp
  test/Transforms/LoopUnroll/AArch64/runtime-loop.ll
  test/Transforms/LoopUnroll/runtime-loop.ll
  test/Transforms/LoopUnroll/runtime-loop1.ll
  test/Transforms/LoopUnroll/tripcount-overflow.ll

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