[all-commits] [llvm/llvm-project] 5e92bf: [OpenACC] Check Loop counts for 'collapse' clause....

[Erich Keane via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5e92bfe97fe0f72f3052df53f813d8dcbb7038d3
      https://github.com/llvm/llvm-project/commit/5e92bfe97fe0f72f3052df53f813d8dcbb7038d3
  Author: Erich Keane <ekeane at nvidia.com>
  Date:   2024-10-02 (Wed, 02 Oct 2024)

  Changed paths:
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/include/clang/Sema/SemaOpenACC.h
    M clang/lib/Sema/SemaOpenACC.cpp
    M clang/test/SemaOpenACC/loop-construct-collapse-clause.cpp

  Log Message:
  -----------
  [OpenACC] Check Loop counts for 'collapse' clause. (#110851)

OpenACC Spec requires that each loop associated with a 'collapse' have
exactly 1 loop/nest. This is implemented in 2 parts: 1- diagnosing when
we see a 2nd loop at any level with an applicable 'collapse'
2- Diagnosing if we didn't see enough 'depth' of loops.

Other loops (non-for) are diagnosed by a previous patch, and other
intervening code will be diagnosed in a followup.



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