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diff --git a/compiler/luci/lang/include/luci/IR/VariadicArityNode.h b/compiler/luci/lang/include/luci/IR/VariadicArityNode.h
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+/*
+ * Copyright (c) 2020 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 __LUCI_IR_VARIADICARITYNODES_H__
+#define __LUCI_IR_VARIADICARITYNODES_H__
+
+#include <loco/IR/Node.h>
+#include <loco/IR/Use.h>
+
+#include <vector>
+#include <memory>
+#include <cassert>
+
+namespace luci
+{
+
+/**
+ * @brief Nodes with the variadic inputs
+ */
+template <typename Base> class VariadicArityNode : public Base
+{
+public:
+ VariadicArityNode(uint32_t arity)
+ {
+ for (uint32_t n = 0; n < arity; ++n)
+ {
+ _args.push_back(std::make_unique<loco::Use>(this));
+ }
+ };
+
+ virtual ~VariadicArityNode() = default;
+
+public:
+ uint32_t arity(void) const final { return _args.size(); }
+
+ loco::Node *arg(uint32_t n) const final
+ {
+ assert(n < _args.size());
+ return _args.at(n)->node();
+ }
+
+ void drop(void) final
+ {
+ for (uint32_t n = 0; n < _args.size(); ++n)
+ {
+ _args.at(n)->node(nullptr);
+ }
+ }
+
+protected:
+ // This API allows inherited classes to access "_args" field.
+ loco::Use *at(uint32_t n) const
+ {
+ assert(n < _args.size());
+ return _args.at(n).get();
+ }
+
+private:
+ std::vector<std::unique_ptr<loco::Use>> _args;
+};
+
+} // namespace luci
+
+#endif // __LUCI_IR_VARIADICARITYNODES_H__