compiler/tflchef/core/src/CustomOp/BroadcastTo.cpp

   1 /*
   2  * Copyright (c) 2021 Samsung Electronics Co., Ltd. All Rights Reserved
   3  * Copyright 2015 The TensorFlow Authors. All Rights Reserved.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *    http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 #include "BroadcastTo.h"
  19
  20 #include <flatbuffers/flexbuffers.h>
  21
  22 flatbuffers::Offset<void> BroadcastToChef::value(flatbuffers::FlatBufferBuilder &fbb) const
  23 {
  24   return flatbuffers::Offset<void>();
  25 }
  26
  27 flatbuffers::Offset<flatbuffers::Vector<uint8_t>>
  28 BroadcastToChef::custom_value(flatbuffers::FlatBufferBuilder &fbb) const
  29 {
  30   auto &operation = (*_operation);
  31
  32   assert(operation.type() == "BroadcastTo");
  33
  34   /**
  35    * REGISTER_OP("BroadcastTo")
  36     .Input("input: T")
  37     .Input("shape: Tidx")
  38     .Output("output: T")
  39     .Attr("T: type")
  40     .Attr("Tidx: {int32, int64} = DT_INT32")
  41     .SetShapeFn([](InferenceContext* c)
  42    */
  43
  44   auto flex_buffers = std::make_unique<flexbuffers::Builder>();
  45   size_t map_start = flex_buffers->StartMap();
  46
  47   // TODO Support more data types
  48   flex_buffers->Int("T", tflite::TensorType_FLOAT32);
  49   flex_buffers->Int("Tidx", tflite::TensorType_INT32);
  50
  51   flex_buffers->EndMap(map_start);
  52   flex_buffers->Finish();
  53
  54   auto circle_custom_options = fbb.CreateVector(flex_buffers->GetBuffer());
  55   return circle_custom_options;
  56 }
  57
  58 std::unique_ptr<OpChef> BroadcastToChefFactory::create(const tflchef::Operation *operation) const
  59 {
  60   return std::unique_ptr<OpChef>{new BroadcastToChef{operation}};
  61 }