[PATCH] D111353: [SCEV] Extend ability to infer flags to more complicates scopes

[Philip Reames via Phabricator via llvm-commits]

reames updated this revision to Diff 378739.
reames added a comment.

Rebase and address review comments.

The added verify routine reveals a bug in LoopFusion, which appears to be broader than this patch.  I'm going to look into that, but need to finish something else first, so it might be a day or two.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111353/new/

https://reviews.llvm.org/D111353

Files:
  llvm/include/llvm/Analysis/ScalarEvolution.h
  llvm/lib/Analysis/ScalarEvolution.cpp
  llvm/test/Analysis/Delinearization/multidim_ivs_and_integer_offsets_3d.ll
  llvm/test/Analysis/Delinearization/multidim_ivs_and_parameteric_offsets_3d.ll
  llvm/test/Analysis/ScalarEvolution/flags-from-poison.ll
  llvm/test/Analysis/ScalarEvolution/incorrect-exit-count.ll
  llvm/test/Analysis/ScalarEvolution/nsw.ll

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