diff --git a/example/ExampleMain.cpp b/example/ExampleMain.cpp
index 57c02f0..bc20d42 100644
--- a/example/ExampleMain.cpp
+++ b/example/ExampleMain.cpp
@@ -117,6 +117,8 @@ void createFunctionExample(Module &module, const Twine &name) {
   p2->setName("p2");
   b.create<xd::WriteOp>(p2);
 
+  assert(xd::ExampleDialect::isDialectOp(*cast<CallInst>(p2)));
+
   SmallVector<Value *> varArgs;
   varArgs.push_back(p1);
   varArgs.push_back(p2);
diff --git a/lib/TableGen/GenDialect.cpp b/lib/TableGen/GenDialect.cpp
index 1d35849..39047c9 100644
--- a/lib/TableGen/GenDialect.cpp
+++ b/lib/TableGen/GenDialect.cpp
@@ -107,6 +107,7 @@ class Builder;
 
     public:
       static Key& getKey();
+      static bool isDialectOp(::llvm::CallInst& op);
 
     private:
       $Dialect(::llvm::LLVMContext& context);
@@ -298,6 +299,10 @@ void llvm_dialects::genDialectDefs(raw_ostream& out, RecordKeeper& records) {
       return s_key;
     }
 
+    bool $Dialect::isDialectOp(::llvm::CallInst& op) {
+      return op.getCalledFunction()->getName().starts_with("$namespace.");
+    }
+
     ::llvm_dialects::Dialect* $Dialect::make(::llvm::LLVMContext& context) {
       $0
       return new $Dialect(context);
diff --git a/test/example/generated/ExampleDialect.cpp.inc b/test/example/generated/ExampleDialect.cpp.inc
index 3e37730..ea96fbc 100644
--- a/test/example/generated/ExampleDialect.cpp.inc
+++ b/test/example/generated/ExampleDialect.cpp.inc
@@ -30,6 +30,10 @@ namespace xd {
       return s_key;
     }
 
+    bool ExampleDialect::isDialectOp(::llvm::CallInst& op) {
+      return op.getCalledFunction()->getName().starts_with("xd.");
+    }
+
     ::llvm_dialects::Dialect* ExampleDialect::make(::llvm::LLVMContext& context) {
       
       auto verifierBuild = [](::llvm_dialects::VisitorBuilder<::llvm_dialects::VerifierState> &builder) {
diff --git a/test/example/generated/ExampleDialect.h.inc b/test/example/generated/ExampleDialect.h.inc
index d6b2a5f..a9ea6bf 100644
--- a/test/example/generated/ExampleDialect.h.inc
+++ b/test/example/generated/ExampleDialect.h.inc
@@ -32,6 +32,7 @@ namespace xd {
 
     public:
       static Key& getKey();
+      static bool isDialectOp(::llvm::CallInst& op);
 
     private:
       ExampleDialect(::llvm::LLVMContext& context);