[PATCH] D37153: [LoopUnroll] Properly update the loop preheader in case of successful peeling

[Davide Italiano via Phabricator via llvm-commits]

davide updated this revision to Diff 112735.
davide added a comment.

Update Trip count/tripmultiple asking them to ScalarEvolution, as suggested by Eli.


https://reviews.llvm.org/D37153

Files:
  lib/Transforms/Utils/LoopUnroll.cpp
  test/Transforms/LoopUnroll/SystemZ/lit.local.cfg
  test/Transforms/LoopUnroll/SystemZ/pr33437.ll

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