[PATCH] D86655: [flang][openacc] Add check for tile clause restriction

[Valentin Clement via Phabricator via llvm-commits]

clementval created this revision.
clementval added reviewers: sscalpone, kiranchandramohan, tskeith, klausler, DavidTruby.
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clementval requested review of this revision.

The tile clause in OpenACC 3.0 imposes some restriction. Element in the tile size list are either * or a
constant positive integer expression. If there are n tile sizes in the list, the loop construct must be immediately 
followed by n tightly-nested loops.
This patch implement these restrictions and add some tests.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D86655

Files:
  flang/include/flang/Parser/dump-parse-tree.h
  flang/include/flang/Parser/parse-tree.h
  flang/lib/Parser/openacc-parsers.cpp
  flang/lib/Semantics/canonicalize-acc.cpp
  flang/test/Semantics/acc-canonicalization-validity.f90
  flang/test/Semantics/acc-clause-validity.f90
  llvm/include/llvm/Frontend/OpenACC/ACC.td

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