Add support for 'atomic_default_mem_order' clause on 'requires' directive. Also renamed test files relating to 'requires'. Differntial review: https://reviews.llvm.org/D53513

llvm-svn: 345967
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 5a29b2e..2d27bb4 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -11732,7 +11732,10 @@
   case OMPC_dynamic_allocators:
     C = new (Context) OMPDynamicAllocatorsClause();
     break;
-  case OMPC_private:
+  case OMPC_atomic_default_mem_order:
+    C = new (Context) OMPAtomicDefaultMemOrderClause();
+    break;
+ case OMPC_private:
     C = OMPPrivateClause::CreateEmpty(Context, Record.readInt());
     break;
   case OMPC_firstprivate:
@@ -11971,6 +11974,14 @@
 OMPClauseReader::VisitOMPDynamicAllocatorsClause(OMPDynamicAllocatorsClause *) {
 }
 
+void OMPClauseReader::VisitOMPAtomicDefaultMemOrderClause(
+    OMPAtomicDefaultMemOrderClause *C) {
+  C->setAtomicDefaultMemOrderKind(
+      static_cast<OpenMPAtomicDefaultMemOrderClauseKind>(Record.readInt()));
+  C->setLParenLoc(Record.readSourceLocation());
+  C->setAtomicDefaultMemOrderKindKwLoc(Record.readSourceLocation());
+}
+
 void OMPClauseReader::VisitOMPPrivateClause(OMPPrivateClause *C) {
   C->setLParenLoc(Record.readSourceLocation());
   unsigned NumVars = C->varlist_size();
diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index eb20751..2bde4dc 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -6944,3 +6944,10 @@
 void
 OMPClauseWriter::VisitOMPDynamicAllocatorsClause(OMPDynamicAllocatorsClause *) {
 }
+
+void OMPClauseWriter::VisitOMPAtomicDefaultMemOrderClause(
+    OMPAtomicDefaultMemOrderClause *C) {
+  Record.push_back(C->getAtomicDefaultMemOrderKind());
+  Record.AddSourceLocation(C->getLParenLoc());
+  Record.AddSourceLocation(C->getAtomicDefaultMemOrderKindKwLoc());
+}