[PATCH] D144220: New SetOperations and unittesting for all SetOperations

[Teresa Johnson via Phabricator via llvm-commits]

tejohnson created this revision.
tejohnson added reviewers: snehasish, davidxl.
Herald added a project: All.
tejohnson requested review of this revision.
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New set operations split out of D140908 <https://reviews.llvm.org/D140908> as suggested, and I have added
unit testing for all set operations.

This adds a set_intersection, which returns the intersection instead of
updating the first set like set_intersect (using a different name
analogous to set_difference vs set_subtract).

Also adds a variant of set_subtract that updates two additional set
arguments to note which members of the subtrahend were removed from
the minuend and which were not.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D144220

Files:
  llvm/include/llvm/ADT/SetOperations.h
  llvm/unittests/ADT/CMakeLists.txt
  llvm/unittests/ADT/SetOperationsTest.cpp

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