[PATCH] D100228: [flang][OpenMP] Add semantic check for close nesting of `master` regions

[Arnamoy B via Phabricator via llvm-commits]

arnamoy10 created this revision.
arnamoy10 added reviewers: kiranchandramohan, kiranktp, SouraVX, bryanpkc, clementval, AMDChirag.
arnamoy10 added projects: Flang, OpenMP.
Herald added subscribers: jdoerfert, jfb, guansong, yaxunl.
Herald added a reviewer: sscalpone.
arnamoy10 requested review of this revision.
Herald added a reviewer: jdoerfert.
Herald added subscribers: llvm-commits, sstefan1.
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This patch implements the following semantic check:

  A master region may not be closely nested inside a work-sharing, loop, atomic, task, or taskloop region.

Adds a test case and also modifies a couple of existing test cases to include the check.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D100228

Files:
  flang/lib/Semantics/check-omp-structure.cpp
  flang/lib/Semantics/check-omp-structure.h
  flang/test/Semantics/omp-clause-validity01.f90
  flang/test/Semantics/omp-flush02.f90
  flang/test/Semantics/omp-nested-master.f90

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