[PATCH] D82931: [flang][OpenMP] Enhance parser support for atomic construct to OpenMP 5.0

[Kiran Kumar T P via Phabricator via llvm-commits]

kiranktp created this revision.
kiranktp added reviewers: tskeith, klausler, kiranchandramohan, DavidTruby, richard.barton.arm, jdoerfert, anchu-rajendran, sameeranjoshi, PeteSteinfeld.
kiranktp added projects: Flang, LLVM.
Herald added subscribers: sstefan1, jfb, guansong, yaxunl.
kiranktp added a reviewer: shivarama_rao.

This patch enhances parser support for atomic construct to OpenMP 5.0.

2.17.7 atomic -> ATOMIC [clause [,]] atomic-clause [[,] clause] |

            ATOMIC [clause]
  clause -> memory-order-clause | HINT(hint-expression)
  memory-order-clause -> SEQ_CST | ACQ_REL | RELEASE | ACQUIRE | RELAXED
  atomic-clause -> READ | WRITE | UPDATE | CAPTURE

The patch includes code changes and testcase modifications.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D82931

Files:
  flang/documentation/OpenMP-4.5-grammar.txt
  flang/include/flang/Parser/dump-parse-tree.h
  flang/include/flang/Parser/parse-tree.h
  flang/lib/Parser/openmp-parsers.cpp
  flang/lib/Parser/unparse.cpp
  flang/test/Semantics/omp-atomic.f90

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