diff --git a/mlir/include/mlir/IR/OpDefinition.h b/mlir/include/mlir/IR/OpDefinition.h
--- a/mlir/include/mlir/IR/OpDefinition.h
+++ b/mlir/include/mlir/IR/OpDefinition.h
@@ -44,9 +44,11 @@
   OptionalParseResult(llvm::NoneType) : impl(llvm::None) {}
 
   /// Returns true if we contain a valid ParseResult value.
+  bool has_value() const { return impl.has_value(); }
   bool hasValue() const { return impl.has_value(); }
 
   /// Access the internal ParseResult value.
+  ParseResult value() const { return impl.value(); }
   ParseResult getValue() const { return impl.value(); }
   ParseResult operator*() const { return getValue(); }