[PATCH] D77802: [analyzer] Improved RangeSet::Negate support of unsigned ranges

[Denys Petrov via Phabricator via cfe-commits]

ASDenysPetrov updated this revision to Diff 257617.
ASDenysPetrov edited the summary of this revision.
ASDenysPetrov added a comment.
Herald added a subscriber: mgorny.

Improved Negate function in terms of handling `[MIN,A]U[B,MAX] => [MIN,-B]U[-A,MAX]` (previously was `[MIN,MIN]U[MIN+1,-B]U[-A,MAX]`).
Added unit test for Negate function.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D77802/new/

https://reviews.llvm.org/D77802

Files:
  clang/lib/StaticAnalyzer/Core/RangeConstraintManager.cpp
  clang/test/Analysis/constraint_manager_negate_difference.c
  clang/unittests/StaticAnalyzer/CMakeLists.txt
  clang/unittests/StaticAnalyzer/RangeSetTest.cpp

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