text: // Copyright (c) 2019 PaddlePaddle Authors. 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.
  
  #include <bmcompiler_defs.h>
  #include <bmcompiler_if.h>
  #include <bmcompiler_if_lite.h>
  #include "lite/core/subgraph_bridge_registry.h"
  #include "lite/kernels/bm/bridges/graph.h"
  #include "lite/kernels/bm/bridges/utility.h"
  
  namespace paddle {
  namespace lite {
  namespace subgraph {
  namespace bm {
  
  int FillConstantConverter(void* ctx, OpLite* op, KernelBase* kernel) {
    CHECK(ctx != nullptr);
    CHECK(op != nullptr);
    auto graph = static_cast<Graph*>(ctx);
    auto scope = op->scope();
    auto op_info = op->op_info();
  
    auto output_var_name = op_info->Output("Out").front();
    auto output = scope->FindVar(output_var_name)->GetMutable<lite::Tensor>();
    auto output_dims = output->dims();
    std::vector<int32_t> i_output_shape_data(output_dims.size());
    int buffer_size = 1;
    for (size_t i = 0; i < output_dims.size(); i++) {
      i_output_shape_data[i] = static_cast<int>(output_dims[i]);
    }
    float* const_data =
        reinterpret_cast<float*>(malloc(buffer_size * sizeof(float)));
    CHECK(const_data != nullptr);
    auto value = op_info->GetAttr<float>("value");
    for (size_t i = 0; i < buffer_size; i++) {
      const_data[i] = value;
    }
    bm_add_const_tensor(graph->GetCompilerHandle(),
                        static_cast<const char*>(output_var_name.c_str()),
                        const_cast<const int*>(i_output_shape_data.data()),
                        output_dims.size(),
                        static_cast<bm_data_type_t>(DTYPE_FP32),
                        reinterpret_cast<const void*>(const_data));
    graph->AddNode(output_var_name);
    return SUCCESS;
  }
  
  }  // namespace bm
  }  // namespace subgraph
  }  // namespace lite
  }  // namespace paddle
  
  REGISTER_SUBGRAPH_BRIDGE(fill_constant,
                           kBM,
                           paddle::lite::subgraph::bm::FillConstantConverter);
  