[OpenMP] Sema and parsing for 'teams distribute' pragma

This patch is to implement sema and parsing for 'teams distribute' pragma.

Differential Revision: https://reviews.llvm.org/D23189

llvm-svn: 277818
diff --git a/clang/lib/Serialization/ASTReaderStmt.cpp b/clang/lib/Serialization/ASTReaderStmt.cpp
index f437ed1..331932e 100644
--- a/clang/lib/Serialization/ASTReaderStmt.cpp
+++ b/clang/lib/Serialization/ASTReaderStmt.cpp
@@ -2864,6 +2864,11 @@
   VisitOMPLoopDirective(D);
 }
 
+void ASTStmtReader::VisitOMPTeamsDistributeDirective(
+    OMPTeamsDistributeDirective *D) {
+  VisitOMPLoopDirective(D);
+}
+
 //===----------------------------------------------------------------------===//
 // ASTReader Implementation
 //===----------------------------------------------------------------------===//
@@ -3583,6 +3588,14 @@
       break;
     }
 
+    case STMT_OMP_TEAMS_DISTRIBUTE_DIRECTIVE: {
+      auto NumClauses = Record[ASTStmtReader::NumStmtFields];
+      auto CollapsedNum = Record[ASTStmtReader::NumStmtFields + 1];
+      S = OMPTeamsDistributeDirective::CreateEmpty(Context, NumClauses,
+                                                   CollapsedNum, Empty);
+      break;
+    }
+
     case EXPR_CXX_OPERATOR_CALL:
       S = new (Context) CXXOperatorCallExpr(Context, Empty);
       break;