llvm-mctoll/ARM/ARMCreateJumpTable.h

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//===- ARMCreateJumpTable.h - Binary raiser utility llvm-mctoll -----------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file contains the declaration of ARMCreateJumpTable
// class for use by llvm-mctoll.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_LLVM_MCTOLL_ARM_ARMCREATEJUMPTABLE_H
#define LLVM_TOOLS_LLVM_MCTOLL_ARM_ARMCREATEJUMPTABLE_H
#include "ARMRaiserBase.h"
#include "Raiser/MCInstRaiser.h"
#include "Raiser/MachineFunctionRaiser.h"
namespace llvm {
namespace mctoll {
class ARMCreateJumpTable : public ARMRaiserBase {
public:
static char ID;
ARMCreateJumpTable(ARMModuleRaiser &MR, MachineFunction *MF, Function *RF,
MCInstRaiser *NewMCIR);
~ARMCreateJumpTable() override;
bool create();
bool runOnMachineFunction(MachineFunction &MF) override;
bool getJTlist(std::vector<JumpTableInfo> &List);
private:
unsigned int getARMCPSR(unsigned int PhysReg);
bool raiseMaichineJumpTable(MachineFunction &MF);
/// Get the MachineBasicBlock to add the jumptable instruction.
MachineBasicBlock *checkJumptableBB(MachineFunction &MF);
bool updatetheBranchInst(MachineBasicBlock &MBB);
std::vector<JumpTableInfo> JTList;
MCInstRaiser *MCIR;
};
} // end namespace mctoll
} // end namespace llvm
#endif // LLVM_TOOLS_LLVM_MCTOLL_ARM_ARMCREATEJUMPTABLE_H