[PATCH] D86239: [OPENMP]Fix PR47158, case 3: allow devic_typein nested declare target region.

[Alexey Bataev via Phabricator via cfe-commits]

ABataev created this revision.
ABataev added reviewers: jdoerfert, cchen.
Herald added subscribers: guansong, yaxunl.
Herald added a reviewer: aaron.ballman.
Herald added a project: clang.
ABataev requested review of this revision.
Herald added a subscriber: sstefan1.

OpenMP 5.0 supports nested declare target regions. So, in general,it is
allow to mark a declarationas declare target with different device_type
or link type. Patch adds support for such kind of nesting.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D86239

Files:
  clang/include/clang/Basic/Attr.td
  clang/include/clang/Sema/Sema.h
  clang/lib/AST/AttrImpl.cpp
  clang/lib/Sema/SemaOpenMP.cpp
  clang/lib/Serialization/ASTReaderDecl.cpp
  clang/test/AST/dump.cpp
  clang/test/OpenMP/declare_target_ast_print.cpp

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