[OPENMP 4.1] Initial support for extended 'ordered' clause.

OpenMP 4.1 introduces optional argument '(n)' for 'ordered' clause, where 'n' is a number of loops that immediately follow the directive.
'n' must be constant positive integer expressions and it must be less or equal than the number of the loops in the resulting loop nest.
Patch adds parsing and semantic analysis for this optional argument.

llvm-svn: 243635

1 files changed, 4 insertions, 1 deletions

diff --git a/clang/lib/Serialization/ASTWriterStmt.cpp b/clang/lib/Serialization/ASTWriterStmt.cpp
index 3cc0835448d..74a37fd4f9b 100644
--- a/clang/lib/Serialization/ASTWriterStmt.cpp
+++ b/clang/lib/Serialization/ASTWriterStmt.cpp
@@ -1763,7 +1763,10 @@ void OMPClauseWriter::VisitOMPScheduleClause(OMPScheduleClause *C) {
   Writer->Writer.AddSourceLocation(C->getCommaLoc(), Record);
 }
 
-void OMPClauseWriter::VisitOMPOrderedClause(OMPOrderedClause *) {}
+void OMPClauseWriter::VisitOMPOrderedClause(OMPOrderedClause *C) {
+  Writer->Writer.AddStmt(C->getNumForLoops());
+  Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record);
+}
 
 void OMPClauseWriter::VisitOMPNowaitClause(OMPNowaitClause *) {}