OpenMP: Data-sharing attributes analysis and clause 'shared' (fixed test threadprivate_messages.cpp)

llvm-svn: 190183
diff --git a/clang/lib/Serialization/ASTReaderStmt.cpp b/clang/lib/Serialization/ASTReaderStmt.cpp
index eaea0f9..62459d8 100644
--- a/clang/lib/Serialization/ASTReaderStmt.cpp
+++ b/clang/lib/Serialization/ASTReaderStmt.cpp
@@ -1689,6 +1689,9 @@
   case OMPC_private:
     C = OMPPrivateClause::CreateEmpty(Context, Record[Idx++]);
     break;
+  case OMPC_shared:
+    C = OMPSharedClause::CreateEmpty(Context, Record[Idx++]);
+    break;
   }
   Visit(C);
   C->setLocStart(Reader->ReadSourceLocation(Record, Idx));
@@ -1714,6 +1717,16 @@
   C->setVarRefs(Vars);
 }
 
+void OMPClauseReader::VisitOMPSharedClause(OMPSharedClause *C) {
+  C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
+  unsigned NumVars = C->varlist_size();
+  SmallVector<Expr *, 16> Vars;
+  Vars.reserve(NumVars);
+  for (unsigned i = 0; i != NumVars; ++i)
+    Vars.push_back(Reader->Reader.ReadSubExpr());
+  C->setVarRefs(Vars);
+}
+
 //===----------------------------------------------------------------------===//
 // OpenMP Directives.
 //===----------------------------------------------------------------------===//
diff --git a/clang/lib/Serialization/ASTWriterStmt.cpp b/clang/lib/Serialization/ASTWriterStmt.cpp
index 95b9676..6e87129 100644
--- a/clang/lib/Serialization/ASTWriterStmt.cpp
+++ b/clang/lib/Serialization/ASTWriterStmt.cpp
@@ -1703,6 +1703,15 @@
     Writer->Writer.AddStmt(*I);
 }
 
+void OMPClauseWriter::VisitOMPSharedClause(OMPSharedClause *C) {
+  Record.push_back(C->varlist_size());
+  Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record);
+  for (OMPVarList<OMPSharedClause>::varlist_iterator I = C->varlist_begin(),
+                                                     E = C->varlist_end();
+       I != E; ++I)
+    Writer->Writer.AddStmt(*I);
+}
+
 //===----------------------------------------------------------------------===//
 // OpenMP Directives.
 //===----------------------------------------------------------------------===//