llvm/bolt/include/bolt/Core/BinaryBasicBlock.h

//===- bolt/Core/BinaryBasicBlock.h - Low-level basic block -----*- 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
//
//===----------------------------------------------------------------------===//
//
// Sequence of MC/MCPlus instructions. Call/invoke does not terminate the block.
// CFI instructions are part of the instruction list with the initial CFI state
// defined at the beginning of the block.
//
//===----------------------------------------------------------------------===//

#ifndef BOLT_CORE_BINARY_BASIC_BLOCK_H
#define BOLT_CORE_BINARY_BASIC_BLOCK_H

#include "bolt/Core/FunctionLayout.h"
#include "bolt/Core/MCPlus.h"
#include "llvm/ADT/GraphTraits.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Config/llvm-config.h" // for LLVM_ON_UNIX
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/ErrorOr.h"
#include "llvm/Support/raw_ostream.h"
#include <limits>
#include <utility>

namespace llvm {
class MCCodeEmitter;

namespace bolt {

class BinaryFunction;
class JumpTable;

class BinaryBasicBlock { … };

#if defined(LLVM_ON_UNIX)
/// Keep the size of the BinaryBasicBlock within a reasonable size class
/// (jemalloc bucket) on Linux
static_assert …;
#endif

bool operator<(const BinaryBasicBlock &LHS, const BinaryBasicBlock &RHS);

} // namespace bolt

// GraphTraits specializations for basic block graphs (CFGs)
template <> struct GraphTraits<bolt::BinaryBasicBlock *> { … };

template <> struct GraphTraits<const bolt::BinaryBasicBlock *> { … };

template <> struct GraphTraits<Inverse<bolt::BinaryBasicBlock *>> { … };

template <> struct GraphTraits<Inverse<const bolt::BinaryBasicBlock *>> { … };

} // namespace llvm

#endif