llvm/llvm/tools/llvm-profgen/CSPreInliner.h

//===-- CSPreInliner.h - Profile guided preinliner ---------------- 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 LLVM_TOOLS_LLVM_PROFGEN_PGOINLINEADVISOR_H
#define LLVM_TOOLS_LLVM_PROFGEN_PGOINLINEADVISOR_H

#include "ProfiledBinary.h"
#include "llvm/ADT/PriorityQueue.h"
#include "llvm/ProfileData/ProfileCommon.h"
#include "llvm/ProfileData/SampleProf.h"
#include "llvm/Transforms/IPO/ProfiledCallGraph.h"
#include "llvm/Transforms/IPO/SampleContextTracker.h"

usingnamespacellvm;
usingnamespacesampleprof;

namespace llvm {
namespace sampleprof {

// Inline candidate seen from profile
struct ProfiledInlineCandidate { … };

// Inline candidate comparer using call site weight
struct ProfiledCandidateComparer { … };

ProfiledCandidateQueue;

// Pre-compilation inliner based on context-sensitive profile.
// The PreInliner estimates inline decision using hotness from profile
// and cost estimation from machine code size. It helps merges context
// profile globally and achieves better post-inine profile quality, which
// otherwise won't be possible for ThinLTO. It also reduce context profile
// size by only keep context that is estimated to be inlined.
class CSPreInliner { … };

} // end namespace sampleprof
} // end namespace llvm

#endif