[PATCH] D95765: [OpenMP] Introduce the `disable_selector_propagation` variant selector trait

[Johannes Doerfert via Phabricator via llvm-commits]

jdoerfert created this revision.
jdoerfert added reviewers: JonChesterfield, tianshilei1992.
Herald added subscribers: guansong, yaxunl.
Herald added a reviewer: bollu.
Herald added a reviewer: aaron.ballman.
jdoerfert requested review of this revision.
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Nested `omp [begin|end] declare variant` inherit the selectors from
surrounding `omp (begin|end) declare variant` constructs. To stop such
propagation the user can add the `disable_selector_propagation` to the
`extension` set in the `implementation` selector.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D95765

Files:
  clang/include/clang/Basic/AttrDocs.td
  clang/lib/Parse/ParseOpenMP.cpp
  clang/test/OpenMP/begin_declare_variant_nested_propagation.c
  clang/test/OpenMP/declare_variant_messages.c
  llvm/include/llvm/Frontend/OpenMP/OMPKinds.def

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