--- /dev/null
+/*
+ * 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 __LOCOEX_COPDIALECT_H__
+#define __LOCOEX_COPDIALECT_H__
+
+#include <loco/IR/Dialect.h>
+
+namespace locoex
+{
+
+/**
+ * @brief A singleton for locoex custom op Dialect
+ */
+class COpDialect final : public loco::Dialect
+{
+private:
+ COpDialect() = default;
+
+public:
+ COpDialect(const Dialect &) = delete;
+ COpDialect(Dialect &&) = delete;
+
+public:
+ static loco::Dialect *get(void);
+};
+
+} // namespace locoex
+
+#endif // __LOCOEX_COPDIALECT_H__
--- /dev/null
+/*
+ * 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.
+ */
+
+#include "locoex/COpDialect.h"
+
+namespace locoex
+{
+
+loco::Dialect *COpDialect::get(void)
+{
+ static COpDialect d;
+ return &d;
+}
+
+} // namespace locoex
--- /dev/null
+/*
+ * 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.
+ */
+
+#include "locoex/COpDialect.h"
+
+#include <gtest/gtest.h>
+
+TEST(COpDialectTest, get)
+{
+ auto d = locoex::COpDialect::get();
+
+ // get() SHOULD return a valid(non-null) pointer
+ ASSERT_NE(d, nullptr);
+ // The return value SHOULD be stable across multiple invocations
+ ASSERT_EQ(d, locoex::COpDialect::get());
+}