/* Copyright 2024 The OpenXLA Authors.

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 XLA_HLO_IR_HLO_ORIGINAL_VALUE_H_
#define XLA_HLO_IR_HLO_ORIGINAL_VALUE_H_

#include <optional>
#include <string>

#include "xla/shape_tree.h"
#include "xla/shape_util.h"
#include "xla/xla_data.pb.h"

namespace xla {
// Stores information of original values.
struct OriginalArray {
  std::string instruction_name;
  ShapeIndex shape_index;
};

using OriginalValue = ShapeTree<std::optional<OriginalArray>>;

std::string OriginalValueToString(const OriginalValue& original_value);

OriginalValueProto OriginalValueToProto(const OriginalValue& original_value);
}  // namespace xla

#endif  // XLA_HLO_IR_HLO_ORIGINAL_VALUE_H_