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

[Amara Emerson via Phabricator via llvm-commits]

aemerson updated this revision to Diff 109731.
aemerson added a comment.

Added support for handling the nsw/nuw ssub.with.overflow intrinsic.


Repository:
  rL LLVM

https://reviews.llvm.org/D35256

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

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