[PATCH] D63604: [Attributor] Deduce "nonnull" on return value

[Hideto Ueno via Phabricator via llvm-commits]

uenoku updated this revision to Diff 208106.
uenoku added a comment.

Use `isKnownNonZero`.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63604/new/

https://reviews.llvm.org/D63604

Files:
  llvm/include/llvm/Transforms/IPO/Attributor.h
  llvm/lib/Transforms/IPO/Attributor.cpp
  llvm/test/Transforms/FunctionAttrs/arg_returned.ll
  llvm/test/Transforms/FunctionAttrs/nonnull.ll

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