diff --git a/mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td b/mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
--- a/mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
+++ b/mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
@@ -82,6 +82,15 @@
 
   let parser = [{ return parseParallelOp(parser, result); }];
   let printer = [{ return printParallelOp(p, *this); }];
+  let extraClassDeclaration = [{
+    static StringRef getDefaultValuePrivateAttrName() { return "defprivate"; }
+    static StringRef getDefaultValueFirstPrivateAttrName() { return "deffirstprivate"; }
+    static StringRef getDefaultValueSharedAttrName() { return "defshared"; }
+    static StringRef getDefaultValueNoneAttrName() { return "defnone"; }
+    static StringRef getProcBindValueMasterAttrName() { return "master"; }
+    static StringRef getProcBindValueCloseAttrName() { return "close"; }
+    static StringRef getProcBindValueSpreadAttrName() { return "spread"; }
+  }];
 }
 
 def TerminatorOp : OpenMP_Op<"terminator", [Terminator]> {