CircleExporterUtils.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 __CIRCLE_EXPORTER_UTILS_H__
#define __CIRCLE_EXPORTER_UTILS_H__
 
#include "SerializedData.h"
 
#include <luci/IR/CircleNodes.h>
#include <luci/Service/ShapeDescription.h>
 
#include <loco.h>
 
#include <mio/circle/schema_generated.h>
 
// limitation of current flatbuffers file size
inline constexpr uint64_t FLATBUFFERS_SIZE_MAX = 2147483648UL; // 2GB
 
namespace luci
{
 
circle::ActivationFunctionType to_circle_actfunc(luci::FusedActFunc func);
circle::TensorType to_circle_tensortype(loco::DataType type);
circle::MirrorPadMode to_circle_mirrorpadmode(luci::MirrorPadMode mode);
circle::RoPEMode to_circle_rope(luci::RoPEMode mode);
circle::FullyConnectedOptionsWeightsFormat
to_circle_weightsformat(luci::CircleFullyConnected::WeightsFormat format);
circle::DimensionType to_circle_dimensiontype(luci::DimensionType type);
flatbuffers::Offset<void> to_circle_sparse_index_vector(flatbuffers::FlatBufferBuilder &fb,
                                                        const SparseIndexVector &sparse_idx_vec);
circle::SparseIndexVector to_circle_sparse_index_vector_type(luci::SparseIndexVectorType type);
 
circle::BuiltinOperator circle_builtin_operator(const luci::CircleNode *node);
circle::BuiltinOptions circle_builtin_options(const luci::CircleNode *node);
std::string circle_custom_code(const luci::CircleNode *node);
flatbuffers::Offset<flatbuffers::Vector<uint8_t>>
circle_custom_options(flatbuffers::FlatBufferBuilder &fb, const luci::CircleNode *node);
 
} // namespace luci
 
namespace luci
{
 
circle::Padding getOpPadding(const loco::Padding2D *pad, const loco::Stride<2> *stride,
                             const ShapeDescription &ifm, const ShapeDescription &ofm);
circle::Padding getOpPadding(const luci::Padding pad);
 
using CircleTensorIndex = int32_t;
 
void set_tensor_index(loco::Node *node, const CircleTensorIndex &tensor_id);
void clear_tensor_index(loco::Node *node);
CircleTensorIndex get_tensor_index(loco::Node *node);
 
// check if Flatbuffer builder can no longer hold the given amount of the data
inline bool check_size_limit(const flatbuffers::FlatBufferBuilder &fb, const uint64_t data_size)
{
  return FLATBUFFERS_SIZE_MAX < data_size + fb.GetSize();
}
 
} // namespace luci
 
#endif // __CIRCLE_EXPORTER_UTILS_H__