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//===- MipsMCInstLower.h - Lower MachineInstr to MCInst --------*- C++ -*--===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H
#define LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H
#include "MCTargetDesc/MipsMCExpr.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/Support/Compiler.h"
namespace llvm {
class MachineBasicBlock;
class MachineInstr;
class MCContext;
class MCInst;
class MCOperand;
class MipsAsmPrinter;
/// MipsMCInstLower - This class is used to lower an MachineInstr into an
/// MCInst.
class LLVM_LIBRARY_VISIBILITY MipsMCInstLower {
using MachineOperandType = MachineOperand::MachineOperandType;
MCContext *Ctx;
MipsAsmPrinter &AsmPrinter;
public:
MipsMCInstLower(MipsAsmPrinter &asmprinter);
void Initialize(MCContext *C);
void Lower(const MachineInstr *MI, MCInst &OutMI) const;
MCOperand LowerOperand(const MachineOperand& MO, unsigned offset = 0) const;
private:
MCOperand LowerSymbolOperand(const MachineOperand &MO,
MachineOperandType MOTy, unsigned Offset) const;
MCOperand createSub(MachineBasicBlock *BB1, MachineBasicBlock *BB2,
MipsMCExpr::MipsExprKind Kind) const;
void lowerLongBranchLUi(const MachineInstr *MI, MCInst &OutMI) const;
void lowerLongBranchADDiu(const MachineInstr *MI, MCInst &OutMI, int Opcode,
MipsMCExpr::MipsExprKind Kind) const;
bool lowerLongBranch(const MachineInstr *MI, MCInst &OutMI) const;
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H
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