[all-commits] [llvm/llvm-project] 0661af: [Flang][OpenMP] Add restriction about subobjects t...

[Kiran Chandramohan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0661af893f12c2b09089b4758cf00d9b84230ea0
      https://github.com/llvm/llvm-project/commit/0661af893f12c2b09089b4758cf00d9b84230ea0
  Author: Kiran Chandramohan <kiran.chandramohan at arm.com>
  Date:   2024-04-23 (Tue, 23 Apr 2024)

  Changed paths:
    M flang/lib/Semantics/check-omp-structure.cpp
    M flang/lib/Semantics/check-omp-structure.h
    A flang/test/Semantics/OpenMP/firstprivate02.f90
    A flang/test/Semantics/OpenMP/lastprivate03.f90
    M flang/test/Semantics/OpenMP/parallel-private01.f90
    M flang/test/Semantics/OpenMP/parallel-private02.f90
    M flang/test/Semantics/OpenMP/parallel-private03.f90
    M flang/test/Semantics/OpenMP/parallel-private04.f90
    M flang/test/Semantics/OpenMP/parallel-sections01.f90
    M flang/test/Semantics/OpenMP/parallel-shared01.f90
    M flang/test/Semantics/OpenMP/parallel-shared02.f90
    M flang/test/Semantics/OpenMP/parallel-shared03.f90
    M flang/test/Semantics/OpenMP/parallel-shared04.f90

  Log Message:
  -----------
  [Flang][OpenMP] Add restriction about subobjects to firstprivate and … (#89608)

…lastprivate

OpenMP 5.2 standard (Section 5.3) defines privatization for list items.
Section 3.2.1 in the standard defines list items to exclude variables
that are part of other variables.

This patch adds the restriction to firstprivate and lastprivates, it was
previously added for privates.

Fixes https://github.com/llvm/llvm-project/issues/67227

Note: The specific checks that are added here are explicitly called out
in OpenMP 4.0
(https://www.openmp.org/wp-content/uploads/OpenMP4.0.0.pdf) Sections
2.14.3.4 and 2.14.3.5 but in later standards have become implicit
through other definitions.



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