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paddlepaddle--paddle/paddle/pir/include/core/op_operand.h
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// Copyright (c) 2023 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.
#pragma once
#include <cstdint>
#include <functional>
#include "paddle/pir/include/core/dll_decl.h"
namespace pir {
class Operation;
class Value;
class Type;
namespace detail {
class OpOperandImpl;
} // namespace detail
///
/// \brief OpOperand class represents the op_operand of operation. This class
/// only provides interfaces, for specific implementation, see Impl class.
///
class IR_API OpOperand {
public:
OpOperand() = default;
OpOperand(const OpOperand &other) = default;
OpOperand(detail::OpOperandImpl *impl) : impl_(impl) {} // NOLINT
OpOperand &operator=(const OpOperand &rhs);
bool operator==(const OpOperand &other) const { return impl_ == other.impl_; }
bool operator!=(const OpOperand &other) const { return !operator==(other); }
bool operator!() const { return impl_ == nullptr; }
operator bool() const;
OpOperand next_use() const;
Value source() const;
Type type() const;
void set_source(Value value);
Operation *owner() const;
uint32_t index() const;
void RemoveFromUdChain();
friend Operation;
private:
detail::OpOperandImpl *impl_{nullptr};
friend struct std::hash<OpOperand>;
};
} // namespace pir
namespace std {
template <>
struct hash<pir::OpOperand> {
std::size_t operator()(const pir::OpOperand &obj) const {
return reinterpret_cast<std::size_t>(obj.impl_);
}
};
} // namespace std