runtime/onert/core/src/compiler/TensorBuilders.h

   1 /*
   2  * Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef __ONERT_COMPILER_TENSOR_BUILDERS_H__
  18 #define __ONERT_COMPILER_TENSOR_BUILDERS_H__
  19
  20 #include <unordered_set>
  21 #include <memory>
  22 #include "backend/BackendContext.h"
  23 #include "backend/Backend.h"
  24 #include "backend/controlflow/Config.h"
  25 #include "backend/controlflow/TensorBuilder.h"
  26 #include "util/logging.h"
  27
  28 namespace onert
  29 {
  30 namespace compiler
  31 {
  32
  33 class TensorBuilders
  34 {
  35 public:
  36   TensorBuilders() = default;
  37
  38   TensorBuilders(const onert::backend::BackendContexts &backend_contexts, bool include_controlflow)
  39   {
  40     for (const auto &e : backend_contexts)
  41     {
  42       if (e.first->config()->id() == backend::controlflow::Config::ID)
  43       {
  44         _cf_tensor_builder = std::dynamic_pointer_cast<backend::controlflow::TensorBuilder>(
  45             e.second->tensor_builder);
  46         if (include_controlflow)
  47           _tensor_builders.insert(e.second->tensor_builder);
  48       }
  49       else
  50       {
  51         _tensor_builders.insert(e.second->tensor_builder);
  52       }
  53     }
  54   }
  55
  56   std::unordered_set<std::shared_ptr<onert::backend::ITensorBuilder>>::const_iterator begin() const
  57   {
  58     return _tensor_builders.cbegin();
  59   }
  60   std::unordered_set<std::shared_ptr<onert::backend::ITensorBuilder>>::const_iterator end() const
  61   {
  62     return _tensor_builders.cend();
  63   }
  64
  65   std::shared_ptr<backend::controlflow::TensorBuilder> getControlflowTensorBuilder() const
  66   {
  67     return _cf_tensor_builder;
  68   }
  69
  70   std::shared_ptr<backend::ITensor> getITensor(ir::OperandIndex ind)
  71   {
  72     for (auto &tensor_builder : _tensor_builders)
  73     {
  74       auto tensor = tensor_builder->tensorAt(ind);
  75       if (tensor)
  76         return tensor;
  77     }
  78     return nullptr;
  79   }
  80
  81 private:
  82   std::unordered_set<std::shared_ptr<backend::ITensorBuilder>> _tensor_builders;
  83   std::shared_ptr<backend::controlflow::TensorBuilder> _cf_tensor_builder;
  84 };
  85
  86 } // namespace compiler
  87 } // namespace onert
  88
  89 #endif // __ONERT_COMPILER_TENSOR_BUILDERS_H__