[PATCH] D93576: [openacc] Use TableGen enum for default clause value

[Valentin Clement via Phabricator via llvm-commits]

clementval created this revision.
clementval added a reviewer: kiranchandramohan.
Herald added a subscriber: rriddle.
clementval requested review of this revision.
Herald added a reviewer: jdoerfert.
Herald added subscribers: llvm-commits, sstefan1, stephenneuendorffer.
Herald added a project: LLVM.

Use the TableGen feature to have enum values for clauses.
Next step will be to extend the MLIR part used current;y by OpenMP
to use the same enum on the dialect side.

This patch also add function that convert the enum to StringRef to be 
used on the dump-parse-tree from flang.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D93576

Files:
  flang/include/flang/Parser/dump-parse-tree.h
  flang/include/flang/Parser/parse-tree.h
  flang/lib/Parser/openacc-parsers.cpp
  flang/lib/Parser/unparse.cpp
  flang/lib/Semantics/resolve-directives.cpp
  llvm/include/llvm/Frontend/OpenACC/ACC.td
  llvm/test/TableGen/directive1.td
  llvm/utils/TableGen/DirectiveEmitter.cpp

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