[all-commits] [llvm/llvm-project] 87ccc5: [OpenACC] Adjust rules of 'routine' required claus...

[Erich Keane via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 87ccc55df4028cf16ed4632fb5e99fc9a6210d5e
      https://github.com/llvm/llvm-project/commit/87ccc55df4028cf16ed4632fb5e99fc9a6210d5e
  Author: Erich Keane <ekeane at nvidia.com>
  Date:   2025-12-04 (Thu, 04 Dec 2025)

  Changed paths:
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/lib/Sema/SemaOpenACCClause.cpp
    M clang/test/ParserOpenACC/parse-clauses.c
    M clang/test/SemaOpenACC/combined-construct-num_gangs-clause.c
    M clang/test/SemaOpenACC/combined-construct-num_workers-clause.c
    M clang/test/SemaOpenACC/combined-construct-vector_length-clause.c
    M clang/test/SemaOpenACC/compute-construct-async-clause.c
    M clang/test/SemaOpenACC/compute-construct-num_gangs-clause.c
    M clang/test/SemaOpenACC/compute-construct-num_workers-clause.c
    M clang/test/SemaOpenACC/compute-construct-vector_length-clause.c
    M clang/test/SemaOpenACC/data-construct-async-clause.c
    M clang/test/SemaOpenACC/loop-construct-collapse-clause.cpp
    M clang/test/SemaOpenACC/loop-construct-tile-clause.cpp
    M clang/test/SemaOpenACC/routine-construct-clauses.cpp

  Log Message:
  -----------
  [OpenACC] Adjust rules of 'routine' required clauses (#170667)

The interaction between various clauses on 'routine' was not implemented
QUITE right, as I discovered when looking into the implementation of the
ACC dialect. This patch fixes it up so that there can only be 1 of the
special clauses per device_type VALUE (including nvidia ==
    acc_device_nvidia).

This patch also does a refactor/unification of this with the rules of
other clauses, as we now know they are effectively the same.



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