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/*
* Copyright (c) 2019 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 __MOCO_IR_TFCONSTANT_H__
#define __MOCO_IR_TFCONSTANT_H__
#include "moco/IR/TFNodeDecl.h"
#include <loco/IR/DataTypeTraits.h>
#include <loco/IR/NodeMixins.h>
#include <loco/IR/TensorShape.h>
#include <vector>
namespace moco
{
/// @note TFConst corresponds to the following GraphDef
/*
node {
name: "val"
op: "Const"
attr {
key: "dtype"
value { type: DT_FLOAT }
}
attr {
key: "value"
value {
tensor {
dtype: DT_FLOAT
tensor_shape {
dim { size: 1 }
dim { size: 3 }
dim { size: 4 }
dim { size: 4 }
}
float_val: 2.1
}
}
}
}
*/
/**
* @brief IR for tf.constant
*
* @note Implementation for this class came from Canonical ConstGen
* Read comments in loco::ConstGen for details
*/
class TFConst final : public FixedArityNode<0, TFNodeImpl<TFOpcode::Const>>,
public loco::NodeMixin<loco::NodeTrait::DataType>,
public loco::NodeMixin<loco::NodeTrait::TensorShape>
{
public:
TFConst() = default;
public:
template <loco::DataType DT> uint32_t size(void) const;
template <loco::DataType DT> void size(uint32_t size);
template <loco::DataType DT> const typename loco::DataTypeImpl<DT>::Type &at(uint32_t n) const;
template <loco::DataType DT> typename loco::DataTypeImpl<DT>::Type &at(uint32_t n);
private:
std::vector<uint8_t> _data;
};
} // namespace moco
namespace moco
{
loco::TensorShape tensor_shape(const TFConst *node);
uint32_t num_elements(const TFConst *tfconst);
bool same_shape(const TFConst *lhs, const TFConst *rhs);
} // namespace moco
#endif // __MOCO_IR_TFCONSTANT_H__
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