[PATCH] D21665: [LoopSimplify] Update LCSSA after separating nested loops.

[Michael Zolotukhin via llvm-commits]

mzolotukhin updated this revision to Diff 63899.
mzolotukhin added a comment.

- Modify test to catch more corner cases including a case mentioned by Sanjoy. Also, add an assert.
- Make processInstruction from LCSSA.cpp externally available.
- Use formLCSSAForInstruction routine instead of doing it manually.
- Use any_of when rewriting loop exit blocks.


http://reviews.llvm.org/D21665

Files:
  include/llvm/Transforms/Utils/LoopUtils.h
  lib/Transforms/Utils/LCSSA.cpp
  lib/Transforms/Utils/LoopSimplify.cpp
  test/Transforms/LoopSimplify/pr28272.ll

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