1 //===-- MipsMCInstLower.h - Lower MachineInstr to MCInst -------*- C++ -*--===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H 11 #define LLVM_LIB_TARGET_MIPS_MIPSMCINSTLOWER_H 12 #include "MCTargetDesc/MipsMCExpr.h" 13 #include "llvm/CodeGen/MachineOperand.h" 14 #include "llvm/Support/Compiler.h" 15 16 namespace llvm { 17 class MCContext; 18 class MCInst; 19 class MCOperand; 20 class MachineInstr; 21 class MachineFunction; 22 class MipsAsmPrinter; 23 24 /// MipsMCInstLower - This class is used to lower an MachineInstr into an 25 // MCInst. 26 class LLVM_LIBRARY_VISIBILITY MipsMCInstLower { 27 typedef MachineOperand::MachineOperandType MachineOperandType; 28 MCContext *Ctx; 29 MipsAsmPrinter &AsmPrinter; 30 public: 31 MipsMCInstLower(MipsAsmPrinter &asmprinter); 32 void Initialize(MCContext *C); 33 void Lower(const MachineInstr *MI, MCInst &OutMI) const; 34 MCOperand LowerOperand(const MachineOperand& MO, unsigned offset = 0) const; 35 36 private: 37 MCOperand LowerSymbolOperand(const MachineOperand &MO, 38 MachineOperandType MOTy, unsigned Offset) const; 39 MCOperand createSub(MachineBasicBlock *BB1, MachineBasicBlock *BB2, 40 MipsMCExpr::MipsExprKind Kind) const; 41 void lowerLongBranchLUi(const MachineInstr *MI, MCInst &OutMI) const; 42 void lowerLongBranchADDiu(const MachineInstr *MI, MCInst &OutMI, int Opcode, 43 MipsMCExpr::MipsExprKind Kind) const; 44 bool lowerLongBranch(const MachineInstr *MI, MCInst &OutMI) const; 45 }; 46 } 47 48 #endif 49
