1 files changed, 53 insertions, 0 deletions
diff --git a/compiler/coco/core/include/coco/IR/Part.h b/compiler/coco/core/include/coco/IR/Part.h
new file mode 100644
index 000000000..72af217cc
--- /dev/null
+++ b/compiler/coco/core/include/coco/IR/Part.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2018 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 __COCO_IR_PART_H__
+#define __COCO_IR_PART_H__
+
+#include "coco/IR/Op.forward.h"
+
+namespace coco
+{
+
+/**
+ * @brief A Part represents the edge between a child Op and its parent Op
+ */
+class Part final
+{
+public:
+  Part(Op *parent) : _parent{parent}
+  {
+    // DO NOTHING
+  }
+
+public:
+  ~Part() { child(nullptr); }
+
+public:
+  Op *child(void) const { return _child; }
+  void child(Op *c);
+
+public:
+  Op *parent(void) const { return _parent; }
+
+private:
+  Op *_parent = nullptr;
+  Op *_child = nullptr;
+};
+
+} // namespace coco
+
+#endif // __COCO_IR_PART_H__