llvm/llvm/include/llvm/Transforms/Utils/SampleProfileLoaderBaseUtil.h

////===- SampleProfileLoadBaseUtil.h - Profile loader util func --*- 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
//
//===----------------------------------------------------------------------===//
//
/// \file
/// This file provides the utility functions for the sampled PGO loader base
/// implementation.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_TRANSFORMS_UTILS_SAMPLEPROFILELOADERBASEUTIL_H
#define LLVM_TRANSFORMS_UTILS_SAMPLEPROFILELOADERBASEUTIL_H

#include "llvm/ADT/DenseMap.h"
#include "llvm/ProfileData/SampleProf.h"
#include "llvm/Support/CommandLine.h"

namespace llvm {
usingnamespacesampleprof;

class ProfileSummaryInfo;
class Module;

extern cl::opt<unsigned> SampleProfileMaxPropagateIterations;
extern cl::opt<unsigned> SampleProfileRecordCoverage;
extern cl::opt<unsigned> SampleProfileSampleCoverage;
extern cl::opt<bool> NoWarnSampleUnused;

namespace sampleprofutil {

class SampleCoverageTracker { … };

/// Return true if the given callsite is hot wrt to hot cutoff threshold.
bool callsiteIsHot(const FunctionSamples *CallsiteFS, ProfileSummaryInfo *PSI,
                   bool ProfAccForSymsInList);

/// Create a global variable to flag FSDiscriminators are used.
void createFSDiscriminatorVariable(Module *M);

} // end of namespace sampleprofutil
} // end of namespace llvm

#endif // LLVM_TRANSFORMS_UTILS_SAMPLEPROFILELOADERBASEUTIL_H