TensorRegistry.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_BUILTIN_TENSOR_REGISTRY_H__
#define __ONERT_BACKEND_BUILTIN_TENSOR_REGISTRY_H__
 
#include "backend/basic/TensorRegistry.h"
#include "backend/ITensorRegistry.h"
#include "Tensor.h"
#include "IOTensor.h"
#include <assert.h>
 
namespace onert::backend::builtin
{
 
class TensorRegistry : public ITensorRegistry
{
public:
  TensorRegistry() : _base_reg{new basic::TensorRegistry} {}
 
  ITensor *getITensor(const ir::OperandIndex &ind) override
  {
    auto base_tensor = _base_reg->getITensor(ind);
    if (base_tensor)
      return base_tensor;
    return getNativeIOTensor(ind);
  }
 
  ITensor *getNativeITensor(const ir::OperandIndex &ind) override
  {
    auto base_tensor = _base_reg->getNativeITensor(ind);
    if (base_tensor)
      return base_tensor;
    return getNativeIOTensor(ind);
  }
 
  IPortableTensor *getPortableTensor(const ir::OperandIndex &ind)
  {
    auto base_tensor = _base_reg->getPortableTensor(ind);
    if (base_tensor)
      return base_tensor;
    return getNativeIOTensor(ind);
  }
 
  IPortableTensor *getNativeTensor(const ir::OperandIndex &ind)
  {
    auto base_tensor = _base_reg->getNativeTensor(ind);
    if (base_tensor)
      return base_tensor;
    return getNativeIOTensor(ind);
  }
 
  Tensor *getNativeOwnTensor(const ir::OperandIndex &ind)
  {
    return _base_reg->getNativeTensor(ind);
  }
 
  IOTensor *getNativeIOTensor(const ir::OperandIndex &ind)
  {
    auto tensor = _native_io_tensors.find(ind);
    if (tensor != _native_io_tensors.end())
      return tensor->second.get();
    return nullptr;
  }
 
  bool setMigrantTensor(const ir::OperandIndex &ind, IPortableTensor *tensor) override
  {
    assert(tensor);
    assert(!getITensor(ind)); // For the ind, tensor is not registered yet
    _base_reg->setMigrantTensor(ind, tensor);
    return true;
  }
 
  void setNativeOwnTensor(ir::OperandIndex ind, std::unique_ptr<Tensor> &&tensor)
  {
    assert(tensor);
    assert(!getITensor(ind)); // For the ind, tensor is not registered yet
    _base_reg->setNativeTensor(ind, std::move(tensor));
  }
 
  void setNativeIOTensor(ir::OperandIndex ind, std::unique_ptr<IOTensor> &&tensor)
  {
    assert(tensor);
    assert(!getITensor(ind)); // For the ind, tensor is not registered yet
    _native_io_tensors[ind] = std::move(tensor);
  }
 
  const ir::OperandIndexMap<std::unique_ptr<IOTensor>> &native_io_tensors()
  {
    return _native_io_tensors;
  }
  std::shared_ptr<basic::TensorRegistry> base_reg() { return _base_reg; }
 
private:
  std::shared_ptr<basic::TensorRegistry> _base_reg;
  ir::OperandIndexMap<std::unique_ptr<IOTensor>> _native_io_tensors;
};
 
} // namespace onert::backend::builtin
 
#endif // ifndef __ONERT_BACKEND_BUILTIN_TENSOR_REGISTRY_H__