[all-commits] [llvm/llvm-project] 8055c0: [OpenMP-5.2] deprecate delimited form of 'declare ...

[Urvi Rav via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8055c0f380323fe9e1398dcb88276fd6c92ffa5d
      https://github.com/llvm/llvm-project/commit/8055c0f380323fe9e1398dcb88276fd6c92ffa5d
  Author: Urvi Rav <94829943+ravurvi20 at users.noreply.github.com>
  Date:   2025-07-10 (Thu, 10 Jul 2025)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/DiagnosticParseKinds.td
    M clang/lib/Parse/ParseOpenMP.cpp
    M clang/test/OpenMP/Inputs/declare_target_include.h
    M clang/test/OpenMP/declare_target_ast_print.cpp
    M clang/test/OpenMP/declare_target_messages.cpp
    M clang/test/OpenMP/target_ast_print.cpp

  Log Message:
  -----------
  [OpenMP-5.2] deprecate delimited form of 'declare target'  (#145854)

According to OpenMP 5.2 (Section 7.8.2), the directive name `declare
target` may be used as a synonym for `begin declare target` only when no
clauses are specified. This clause-less delimited form is now deprecated
and should emit a deprecation warning.

```
// Deprecated usage (should trigger warning):
#pragma omp declare target // deprecated in OpenMP 5.2
void foo1() {
}
#pragma omp end declare target
// Valid usage with clause (should not trigger warning):
#pragma omp declare target enter(foo2)
void foo2() {
}
```
```
// Recommended replacement for deprecated delimited form:
#pragma omp begin declare target
void foo() {
}
#pragma omp end declare target
```

---------

Co-authored-by: urvi-rav <urvi.rav at hpe.com>



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