[PATCH] D154556: [OPENMP52] Support Support omp_cur_iteration modifier for doacross clause.

[Jennifer Yu via Phabricator via cfe-commits]

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This is just syntax to make it easier for the user. It doesn't add any
new functionality.

for
doacross(sink: omp_cur_iteration - 1)
Equivalent to
doacross(sink: ConterVar - 1, ...)

doacross(source: omp_cur_iteration)
Equivalent to
doacross(source)

And restriction is:
OMP5.2 p.327

If vector is specified with the omp_cur_iteration keyword and with
sink as the dependence-type then it must be omp_cur_iteration - 1.

If vector is specified with source as the dependence-type then it must be
omp_cur_iteration.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D154556

Files:
  clang/include/clang/Basic/DiagnosticParseKinds.td
  clang/include/clang/Basic/OpenMPKinds.def
  clang/lib/AST/OpenMPClause.cpp
  clang/lib/CodeGen/CGOpenMPRuntime.h
  clang/lib/Parse/ParseOpenMP.cpp
  clang/lib/Sema/SemaOpenMP.cpp
  clang/test/OpenMP/ordered_ast_print.cpp
  clang/test/OpenMP/ordered_doacross_codegen.c
  clang/test/OpenMP/ordered_messages.cpp

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