[OpenMP] Parsing and sema support for thread_limit clause.

http://reviews.llvm.org/D15029

llvm-svn: 254207

2 files changed, 13 insertions, 0 deletions

diff --git a/clang/lib/Serialization/ASTReaderStmt.cpp b/clang/lib/Serialization/ASTReaderStmt.cpp
index 124e0dab231..49f06f23151 100644
--- a/clang/lib/Serialization/ASTReaderStmt.cpp
+++ b/clang/lib/Serialization/ASTReaderStmt.cpp
@@ -1853,6 +1853,9 @@ OMPClause *OMPClauseReader::readClause() {
   case OMPC_num_teams:
     C = new (Context) OMPNumTeamsClause();
     break;
+  case OMPC_thread_limit:
+    C = new (Context) OMPThreadLimitClause();
+    break;
   }
   Visit(C);
   C->setLocStart(Reader->ReadSourceLocation(Record, Idx));
@@ -2182,6 +2185,11 @@ void OMPClauseReader::VisitOMPNumTeamsClause(OMPNumTeamsClause *C) {
   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
 }
 
+void OMPClauseReader::VisitOMPThreadLimitClause(OMPThreadLimitClause *C) {
+  C->setThreadLimit(Reader->Reader.ReadSubExpr());
+  C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
+}
+
 //===----------------------------------------------------------------------===//
 // OpenMP Directives.
 //===----------------------------------------------------------------------===//
diff --git a/clang/lib/Serialization/ASTWriterStmt.cpp b/clang/lib/Serialization/ASTWriterStmt.cpp
index e93fa810651..acb3a7f2cc0 100644
--- a/clang/lib/Serialization/ASTWriterStmt.cpp
+++ b/clang/lib/Serialization/ASTWriterStmt.cpp
@@ -2006,6 +2006,11 @@ void OMPClauseWriter::VisitOMPNumTeamsClause(OMPNumTeamsClause *C) {
   Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record);
 }
 
+void OMPClauseWriter::VisitOMPThreadLimitClause(OMPThreadLimitClause *C) {
+  Writer->Writer.AddStmt(C->getThreadLimit());
+  Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record);
+}
+
 //===----------------------------------------------------------------------===//
 // OpenMP Directives.
 //===----------------------------------------------------------------------===//