llvm-project/lld/MachO/ICF.h

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//===- ICF.h ----------------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLD_MACHO_ICF_H
#define LLD_MACHO_ICF_H
#include "lld/Common/LLVM.h"
#include <vector>
namespace lld {
namespace macho {
class ConcatInputSection;
class ICF {
public:
ICF(std::vector<ConcatInputSection *> &inputs);
void run();
void segregate(size_t begin, size_t end,
std::function<bool(const ConcatInputSection *,
const ConcatInputSection *)>
equals);
size_t findBoundary(size_t begin, size_t end);
void forEachClassRange(size_t begin, size_t end,
std::function<void(size_t, size_t)> func);
void forEachClass(std::function<void(size_t, size_t)> func);
// ICF needs a copy of the inputs vector because its equivalence-class
// segregation algorithm destroys the proper sequence.
std::vector<ConcatInputSection *> icfInputs;
};
} // namespace macho
} // namespace lld
#endif