[PATCH] D14526: Don't recompute LCSSA after loop-unrolling when possible.

[Michael Zolotukhin via llvm-commits]

mzolotukhin updated this revision to Diff 40186.
mzolotukhin added a comment.

- Don't fail if ParentL is nullptr.


http://reviews.llvm.org/D14526

Files:
  lib/Transforms/Utils/LoopUnroll.cpp
  test/Transforms/LoopUnroll/rebuild_lcssa.ll

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