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diff --git a/compiler/locop/include/locop/FormattedTensorShape.h b/compiler/locop/include/locop/FormattedTensorShape.h
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index 000000000..25621d6c3
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+++ b/compiler/locop/include/locop/FormattedTensorShape.h
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+/*
+ * 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 __LOCOP_FORMATTED_TENSOR_SHAPE_H__
+#define __LOCOP_FORMATTED_TENSOR_SHAPE_H__
+
+#include "locop/Interfaces.h"
+
+#include <loco/IR/TensorShape.h>
+
+namespace locop
+{
+
+enum class TensorShapeFormat
+{
+  // D_0 x D_1 x ... D_N
+  Plain,
+  // [ D_0 x D_1 x D_2 x ... ]
+  Bracket,
+};
+
+template <TensorShapeFormat Format> class FormattedTensorShape;
+
+template <>
+class FormattedTensorShape<TensorShapeFormat::Plain> final : public Spec<Interface::Formatted>
+{
+public:
+  FormattedTensorShape(const loco::TensorShape *ptr) : _ptr{ptr}
+  {
+    // DO NOTHING
+  }
+
+public:
+  void dump(std::ostream &os) const final;
+
+private:
+  const loco::TensorShape *_ptr = nullptr;
+};
+
+template <>
+class FormattedTensorShape<TensorShapeFormat::Bracket> final : public Spec<Interface::Formatted>
+{
+public:
+  FormattedTensorShape(const loco::TensorShape *ptr) : _ptr{ptr}
+  {
+    // DO NOTHING
+  }
+
+public:
+  void dump(std::ostream &os) const final;
+
+private:
+  const loco::TensorShape *_ptr = nullptr;
+};
+
+template <TensorShapeFormat F> FormattedTensorShape<F> fmt(loco::TensorShape *ptr)
+{
+  return FormattedTensorShape<F>{ptr};
+}
+
+} // namespace locop
+
+#endif // __LOCOP_FORMATTED_TENSOR_SHAPE_H__