ProfiledBinary.h | Explore in Territory

//===-- ProfiledBinary.h - Binary decoder -----------------------*- 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_PROFILEDBINARY_H
#define LLVM_TOOLS_LLVM_PROFGEN_PROFILEDBINARY_H

#include "CallContext.h"
#include "ErrorHandling.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/DebugInfo/DWARF/DWARFContext.h"
#include "llvm/DebugInfo/Symbolize/Symbolize.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCDisassembler/MCDisassembler.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstPrinter.h"
#include "llvm/MC/MCInstrAnalysis.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCObjectFileInfo.h"
#include "llvm/MC/MCPseudoProbe.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCTargetOptions.h"
#include "llvm/Object/ELFObjectFile.h"
#include "llvm/ProfileData/SampleProf.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Path.h"
#include "llvm/Transforms/IPO/SampleContextTracker.h"
#include <map>
#include <set>
#include <sstream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>

namespace llvm {
extern cl::opt<bool> EnableCSPreInliner;
extern cl::opt<bool> UseContextCostForPreInliner;
} // namespace llvm

usingnamespacellvm;
usingnamespacesampleprof;
usingnamespacellvm::object;

namespace llvm {
namespace sampleprof {

class ProfiledBinary;
class MissingFrameInferrer;

struct InstructionPointer { … };

// The special frame addresses.
enum SpecialFrameAddr { … };

RangesTy;

struct BinaryFunction { … };

// Info about function range. A function can be split into multiple
// non-continuous ranges, each range corresponds to one FuncRange.
struct FuncRange { … };

// PrologEpilog address tracker, used to filter out broken stack samples
// Currently we use a heuristic size (two) to infer prolog and epilog
// based on the start address and return address. In the future,
// we will switch to Dwarf CFI based tracker
struct PrologEpilogTracker { … };

// Track function byte size under different context (outlined version as well as
// various inlined versions). It also provides query support to get function
// size with the best matching context, which is used to help pre-inliner use
// accurate post-optimization size to make decisions.
// TODO: If an inlinee is completely optimized away, ideally we should have zero
// for its context size, currently we would misss such context since it doesn't
// have instructions. To fix this, we need to mark all inlinee with entry probe
// but without instructions as having zero size.
class BinarySizeContextTracker { … };

AddressRange;

class ProfiledBinary { … };

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

#endif
llvm/llvm/tools/llvm-profgen/ProfiledBinary.h
