[PATCH] D51378: [OPENMP] Add support for nested 'declare target' directives

[Patrick Lyster via Phabricator via cfe-commits]

patricklyster updated this revision to Diff 164037.
patricklyster added a comment.

Previous implementation only supported immediately nested declare targets such as below:

  #pragma omp declare target
    #pragma omp declare target
      int foo();
    #pragma omp end declare target
    int bar();
  #pragma omp end declare target

Update allows for nesting in this format:

  #pragma omp declare target
    int foo();
    #pragma omp declare target
      int bar();
    #pragma omp end declare target
  #pragma omp end declare target


https://reviews.llvm.org/D51378

Files:
  clang/include/clang/Basic/DiagnosticSemaKinds.td
  clang/include/clang/Sema/Sema.h
  clang/lib/Parse/ParseOpenMP.cpp
  clang/lib/Sema/SemaOpenMP.cpp
  clang/test/OpenMP/Inputs/declare_target_include.h
  clang/test/OpenMP/declare_target_ast_print.cpp
  clang/test/OpenMP/declare_target_messages.cpp

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