llvm/llvm/include/llvm/CodeGen/MachineJumpTableInfo.h

//===-- CodeGen/MachineJumpTableInfo.h - Abstract Jump Tables  --*- 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
//
//===----------------------------------------------------------------------===//
//
// The MachineJumpTableInfo class keeps track of jump tables referenced by
// lowered switch instructions in the MachineFunction.
//
// Instructions reference the address of these jump tables through the use of
// MO_JumpTableIndex values.  When emitting assembly or machine code, these
// virtual address references are converted to refer to the address of the
// function jump tables.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_MACHINEJUMPTABLEINFO_H
#define LLVM_CODEGEN_MACHINEJUMPTABLEINFO_H

#include "llvm/Support/Printable.h"
#include <cassert>
#include <vector>

namespace llvm {

class MachineBasicBlock;
class DataLayout;
class raw_ostream;

/// MachineJumpTableEntry - One jump table in the jump table info.
///
struct MachineJumpTableEntry { … };

class MachineJumpTableInfo { … };


/// Prints a jump table entry reference.
///
/// The format is:
///   %jump-table.5       - a jump table entry with index == 5.
///
/// Usage: OS << printJumpTableEntryReference(Idx) << '\n';
Printable printJumpTableEntryReference(unsigned Idx);

} // End llvm namespace

#endif