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diff --git a/runtime/onert/core/src/backend/controlflow/UserTensor.h b/runtime/onert/core/src/backend/controlflow/UserTensor.h
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+++ b/runtime/onert/core/src/backend/controlflow/UserTensor.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 __ONERT_BACKEND_CONTROLFLOW_USER_TENSOR_H__
+#define __ONERT_BACKEND_CONTROLFLOW_USER_TENSOR_H__
+
+#include "ir/OperandInfo.h"
+#include "backend/IPortableTensor.h"
+
+namespace onert
+{
+namespace backend
+{
+namespace controlflow
+{
+
+/**
+ * @brief Tensor object that is for Input and Output tensors from the user.
+ *
+ * This class is a wrapped buffer that is allocated by the user. So it does not have resposibility
+ * on allocation nor deallocation. All the model input/output tensors are wrapped with this class
+ * for execution.
+ *
+ */
+class UserTensor : public IPortableTensor
+{
+public:
+  UserTensor(const ir::OperandInfo &info, ir::Layout layout, uint8_t *buffer, size_t size)
+      : _info{info}, _layout{layout}, _buffer{buffer}, _size{size}, _dynamic{false}
+  {
+  }
+
+  UserTensor(const ir::OperandInfo &info, ir::Layout layout) : UserTensor{info, layout, nullptr, 0}
+  {
+  }
+
+public:
+  void setBuffer(uint8_t *buffer, size_t size)
+  {
+    _buffer = buffer;
+    _size = size;
+  }
+
+public:
+  uint8_t *buffer() const override { return _buffer; }
+  size_t total_size() const override { return _size; }
+  size_t dimension(size_t index) const override { return _info.shape().dim(index); }
+  size_t num_dimensions() const override { return _info.shape().rank(); }
+  size_t calcOffset(const ir::Coordinates &coords) const override;
+  ir::Layout layout() const override { return _layout; }
+  ir::DataType data_type() const override { return _info.typeInfo().type(); }
+  float data_scale() const override { return _info.typeInfo().scale(); }
+  int32_t data_offset() const override { return _info.typeInfo().offset(); }
+  bool is_dynamic() const override { return _dynamic; }
+  void set_dynamic() override { _dynamic = true; }
+  ir::Shape getShape() const override { return _info.shape(); }
+  void setShape(const ir::Shape &new_shape) override { _info.shape(new_shape); }
+
+private:
+  ir::OperandInfo _info;
+  ir::Layout _layout;
+  uint8_t *_buffer;
+  size_t _size;
+  bool _dynamic;
+};
+
+} // namespace controlflow
+} // namespace backend
+} // namespace onert
+
+#endif // __ONERT_BACKEND_CONTROLFLOW_USER_TENSOR_H__