1*0b57cec5SDimitry Andric //===- MipsMCInstLower.h - Lower MachineInstr to MCInst --------*- C++ -*--===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric 9*0b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H 10*0b57cec5SDimitry Andric #define LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H 11*0b57cec5SDimitry Andric 12*0b57cec5SDimitry Andric #include "MCTargetDesc/MipsMCExpr.h" 13*0b57cec5SDimitry Andric #include "llvm/CodeGen/MachineOperand.h" 14*0b57cec5SDimitry Andric #include "llvm/Support/Compiler.h" 15*0b57cec5SDimitry Andric 16*0b57cec5SDimitry Andric namespace llvm { 17*0b57cec5SDimitry Andric 18*0b57cec5SDimitry Andric class MachineBasicBlock; 19*0b57cec5SDimitry Andric class MachineInstr; 20*0b57cec5SDimitry Andric class MCContext; 21*0b57cec5SDimitry Andric class MCInst; 22*0b57cec5SDimitry Andric class MCOperand; 23*0b57cec5SDimitry Andric class MipsAsmPrinter; 24*0b57cec5SDimitry Andric 25*0b57cec5SDimitry Andric /// MipsMCInstLower - This class is used to lower an MachineInstr into an 26*0b57cec5SDimitry Andric /// MCInst. 27*0b57cec5SDimitry Andric class LLVM_LIBRARY_VISIBILITY MipsMCInstLower { 28*0b57cec5SDimitry Andric using MachineOperandType = MachineOperand::MachineOperandType; 29*0b57cec5SDimitry Andric 30*0b57cec5SDimitry Andric MCContext *Ctx; 31*0b57cec5SDimitry Andric MipsAsmPrinter &AsmPrinter; 32*0b57cec5SDimitry Andric 33*0b57cec5SDimitry Andric public: 34*0b57cec5SDimitry Andric MipsMCInstLower(MipsAsmPrinter &asmprinter); 35*0b57cec5SDimitry Andric 36*0b57cec5SDimitry Andric void Initialize(MCContext *C); 37*0b57cec5SDimitry Andric void Lower(const MachineInstr *MI, MCInst &OutMI) const; 38*0b57cec5SDimitry Andric MCOperand LowerOperand(const MachineOperand& MO, unsigned offset = 0) const; 39*0b57cec5SDimitry Andric 40*0b57cec5SDimitry Andric private: 41*0b57cec5SDimitry Andric MCOperand LowerSymbolOperand(const MachineOperand &MO, 42*0b57cec5SDimitry Andric MachineOperandType MOTy, unsigned Offset) const; 43*0b57cec5SDimitry Andric MCOperand createSub(MachineBasicBlock *BB1, MachineBasicBlock *BB2, 44*0b57cec5SDimitry Andric MipsMCExpr::MipsExprKind Kind) const; 45*0b57cec5SDimitry Andric void lowerLongBranchLUi(const MachineInstr *MI, MCInst &OutMI) const; 46*0b57cec5SDimitry Andric void lowerLongBranchADDiu(const MachineInstr *MI, MCInst &OutMI, 47*0b57cec5SDimitry Andric int Opcode) const; 48*0b57cec5SDimitry Andric bool lowerLongBranch(const MachineInstr *MI, MCInst &OutMI) const; 49*0b57cec5SDimitry Andric }; 50*0b57cec5SDimitry Andric 51*0b57cec5SDimitry Andric } // end namespace llvm 52*0b57cec5SDimitry Andric 53*0b57cec5SDimitry Andric #endif // LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H 54