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diff --git a/compiler/loco/include/loco/IR/Dialect.h b/compiler/loco/include/loco/IR/Dialect.h
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index 000000000..b8942bfb4
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+++ b/compiler/loco/include/loco/IR/Dialect.h
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+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __LOCO_IR_DIALECT_H__
+#define __LOCO_IR_DIALECT_H__
+
+#include "loco/IR/DialectService.h"
+
+#include <map>
+#include <memory>
+#include <typeindex>
+#include <typeinfo>
+
+namespace loco
+{
+
+/**
+ * @brief Dialect interface
+ *
+ * Each dialect implementation is expected to have static "get" method
+ * which returns "const Dialect *" value.
+ */
+class Dialect
+{
+public:
+  virtual ~Dialect() = default;
+
+protected:
+  template <typename ConcreteService> void service(std::unique_ptr<ConcreteService> &&s)
+  {
+    _services[typeid(ConcreteService)] = std::move(s);
+  }
+
+public:
+  template <typename ConcreteService> ConcreteService *service(void) const
+  {
+    auto it = _services.find(typeid(ConcreteService));
+
+    if (it == _services.end())
+    {
+      return nullptr;
+    }
+
+    return dynamic_cast<ConcreteService *>(it->second.get());
+  }
+
+private:
+  std::map<std::type_index, std::unique_ptr<DialectService>> _services;
+};
+
+} // namespace loco
+
+#endif // __LOCO_IR_DIALECT_H__