[PATCH] D35256: [SCEV] Try harder to preserve NSW information for sext(sub) expressions

[Amara Emerson via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL310117: [SCEV] Preserve NSW information for sext(subtract). (authored by aemerson).

Changed prior to commit:
  https://reviews.llvm.org/D35256?vs=109731&id=109812#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D35256

Files:
  llvm/trunk/lib/Analysis/ScalarEvolution.cpp
  llvm/trunk/test/Analysis/ScalarEvolution/flags-from-poison.ll
  llvm/trunk/test/Transforms/LoopStrengthReduce/sext-ind-var.ll

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