llvm/llvm/include/llvm/ProfileData/InstrProfCorrelator.h

//===- InstrProfCorrelator.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
//
//===----------------------------------------------------------------------===//
// This file defines InstrProfCorrelator used to generate PGO/coverage profiles
// from raw profile data and debug info/binary file.
//===----------------------------------------------------------------------===//

#ifndef LLVM_PROFILEDATA_INSTRPROFCORRELATOR_H
#define LLVM_PROFILEDATA_INSTRPROFCORRELATOR_H

#include "llvm/ADT/DenseSet.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/YAMLTraits.h"
#include <optional>
#include <vector>

namespace llvm {
class DWARFContext;
class DWARFDie;
namespace object {
class ObjectFile;
}

/// InstrProfCorrelator - A base class used to create raw instrumentation data
/// to their functions.
class InstrProfCorrelator { … };

/// InstrProfCorrelatorImpl - A child of InstrProfCorrelator with a template
/// pointer type so that the ProfileData vector can be materialized.
template <class IntPtrT>
class InstrProfCorrelatorImpl : public InstrProfCorrelator { … };

/// DwarfInstrProfCorrelator - A child of InstrProfCorrelatorImpl that takes
/// DWARF debug info as input to correlate profiles.
template <class IntPtrT>
class DwarfInstrProfCorrelator : public InstrProfCorrelatorImpl<IntPtrT> { … };

/// BinaryInstrProfCorrelator - A child of InstrProfCorrelatorImpl that
/// takes an object file as input to correlate profiles.
template <class IntPtrT>
class BinaryInstrProfCorrelator : public InstrProfCorrelatorImpl<IntPtrT> { … };

} // end namespace llvm

#endif // LLVM_PROFILEDATA_INSTRPROFCORRELATOR_H