[PATCH] D63604: [Attributor] Deduce "nonnull" attribute

Hideto Ueno via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 9 13:48:20 PDT 2019


uenoku updated this revision to Diff 208798.
uenoku retitled this revision from "[Attributor] Deduce "nonnull" on return value" to "[Attributor] Deduce "nonnull" attribute".
uenoku edited the summary of this revision.
uenoku added a comment.

- Deduce nonnull on functions argument if we have nonnull in whole call sites (mostly based on D59202 <https://reviews.llvm.org/D59202>).
- Deduce nonnull on a call site argument if the passed value is assumed nonnull.


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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