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diff --git a/include/util/tensor/IndexEnumerator.h b/include/util/tensor/IndexEnumerator.h
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+++ b/include/util/tensor/IndexEnumerator.h
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+/*
+ * 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 __NNFW_UTIL_TENSOR_INDEX_ENUMERATOR_H__
+#define __NNFW_UTIL_TENSOR_INDEX_ENUMERATOR_H__
+
+#include "util/tensor/Shape.h"
+#include "util/tensor/Index.h"
+
+namespace nnfw
+{
+namespace util
+{
+namespace tensor
+{
+
+class IndexEnumerator
+{
+public:
+  explicit IndexEnumerator(const Shape &shape) : _shape(shape), _index(shape.rank()), _cursor(0)
+  {
+    const size_t rank = _shape.rank();
+
+    for (size_t axis = 0; axis < rank; ++axis)
+    {
+      _index.at(axis) = 0;
+    }
+
+    for (_cursor = 0; _cursor < rank; ++_cursor)
+    {
+      if (_index.at(_cursor) < _shape.dim(_cursor))
+      {
+        break;
+      }
+    }
+  }
+
+public:
+  IndexEnumerator(IndexEnumerator &&) = delete;
+  IndexEnumerator(const IndexEnumerator &) = delete;
+
+public:
+  bool valid(void) const { return _cursor < _shape.rank(); }
+
+public:
+  const Index &curr(void) const { return _index; }
+
+public:
+  void advance(void)
+  {
+    const size_t rank = _shape.rank();
+
+    // Find axis to be updated
+    while((_cursor < rank) && !(_index.at(_cursor) + 1 < _shape.dim(_cursor)))
+    {
+      ++_cursor;
+    }
+
+    if(_cursor == rank)
+    {
+      return;
+    }
+
+    // Update index
+    _index.at(_cursor) += 1;
+
+    for (size_t axis = 0; axis < _cursor; ++axis)
+    {
+      _index.at(axis) = 0;
+    }
+
+    // Update cursor
+    _cursor = 0;
+  }
+
+public:
+  const Shape _shape;
+
+private:
+  size_t _cursor;
+  Index _index;
+};
+
+} // namespace tensor
+} // namespace util
+} // namespace nnfw
+
+#endif // __NNFW_UTIL_TENSOR_INDEX_ENUMERATOR_H__