diff --git a/mlir/include/mlir/IR/OperationSupport.h b/mlir/include/mlir/IR/OperationSupport.h
--- a/mlir/include/mlir/IR/OperationSupport.h
+++ b/mlir/include/mlir/IR/OperationSupport.h
@@ -21,6 +21,7 @@
 #include "mlir/IR/Value.h"
 #include "mlir/Support/LogicalResult.h"
 #include "llvm/ADT/PointerUnion.h"
+#include "llvm/ADT/StringSwitch.h"
 #include "llvm/Support/TrailingObjects.h"
 #include <memory>
 
diff --git a/mlir/test/mlir-tblgen/op-attribute.td b/mlir/test/mlir-tblgen/op-attribute.td
--- a/mlir/test/mlir-tblgen/op-attribute.td
+++ b/mlir/test/mlir-tblgen/op-attribute.td
@@ -201,6 +201,19 @@
 // DEF: odsState.addAttribute("str_attr", (*odsBuilder).getStringAttr(str_attr));
 // DEF: odsState.addAttribute("dv_str_attr", (*odsBuilder).getStringAttr(dv_str_attr));
 
+// Test derived type attr.
+// ---
+def DerivedTypeAttrOp : NS_Op<"derived_type_attr_op", []> {
+  let results = (outs AnyTensor:$output);
+  DerivedTypeAttr element_dtype = DerivedTypeAttr<"return output().getType();">;
+}
+
+// DECL: bool isDerivedAttribute
+// DEF: bool DerivedTypeAttrOp::isDerivedAttribute(StringRef name) {
+// DEF:  return llvm::StringSwitch<bool>(name)
+// DEF:  .Case("element_dtype", true)
+// DEF:  .Default(false);
+// DEF: }
 
 // Test that only default valued attributes at the end of the arguments
 // list get default values in the builder signature
diff --git a/mlir/tools/mlir-tblgen/OpDefinitionsGen.cpp b/mlir/tools/mlir-tblgen/OpDefinitionsGen.cpp
--- a/mlir/tools/mlir-tblgen/OpDefinitionsGen.cpp
+++ b/mlir/tools/mlir-tblgen/OpDefinitionsGen.cpp
@@ -391,6 +391,18 @@
       emitAttrWithReturnType(name, attr);
     }
   }
+
+  // Generate helper method to query whether a named attribute is a derived
+  // attribute. This enables, for example, avoiding adding an attribute that
+  // overlaps with a derived attribute.
+  auto &method =
+      opClass.newMethod("bool", "isDerivedAttribute", "StringRef name");
+  auto &body = method.body();
+  body << "  return llvm::StringSwitch<bool>(name)";
+  for (auto namedAttr : op.getAttributes())
+    if (namedAttr.attr.isDerivedAttr())
+      body << "\n    .Case(\"" << namedAttr.name << "\", true)";
+  body << "\n    .Default(false);";
 }
 
 void OpEmitter::genAttrSetters() {