| //===- MSP430InstrInfo.h - MSP430 Instruction Information -------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file contains the MSP430 implementation of the TargetInstrInfo class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_TARGET_MSP430INSTRINFO_H |
| #define LLVM_TARGET_MSP430INSTRINFO_H |
| |
| #include "llvm/Target/TargetInstrInfo.h" |
| #include "MSP430RegisterInfo.h" |
| |
| namespace llvm { |
| |
| class MSP430TargetMachine; |
| |
| namespace MSP430 { |
| // MSP430 specific condition code. |
| enum CondCode { |
| COND_E = 0, // aka COND_Z |
| COND_NE = 1, // aka COND_NZ |
| COND_HS = 2, // aka COND_C |
| COND_LO = 3, // aka COND_NC |
| COND_GE = 4, |
| COND_L = 5, |
| |
| COND_INVALID |
| }; |
| } |
| |
| class MSP430InstrInfo : public TargetInstrInfoImpl { |
| const MSP430RegisterInfo RI; |
| MSP430TargetMachine &TM; |
| public: |
| explicit MSP430InstrInfo(MSP430TargetMachine &TM); |
| |
| /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As |
| /// such, whenever a client has an instance of instruction info, it should |
| /// always be able to get register info as well (through this method). |
| /// |
| virtual const TargetRegisterInfo &getRegisterInfo() const { return RI; } |
| |
| bool copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, |
| unsigned DestReg, unsigned SrcReg, |
| const TargetRegisterClass *DestRC, |
| const TargetRegisterClass *SrcRC) const; |
| |
| bool isMoveInstr(const MachineInstr& MI, |
| unsigned &SrcReg, unsigned &DstReg, |
| unsigned &SrcSubIdx, unsigned &DstSubIdx) const; |
| |
| virtual void storeRegToStackSlot(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MI, |
| unsigned SrcReg, bool isKill, |
| int FrameIndex, |
| const TargetRegisterClass *RC) const; |
| virtual void loadRegFromStackSlot(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MI, |
| unsigned DestReg, int FrameIdx, |
| const TargetRegisterClass *RC) const; |
| |
| virtual bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MI, |
| const std::vector<CalleeSavedInfo> &CSI) const; |
| virtual bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MI, |
| const std::vector<CalleeSavedInfo> &CSI) const; |
| |
| virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, |
| MachineBasicBlock *FBB, |
| const SmallVectorImpl<MachineOperand> &Cond) const; |
| |
| }; |
| |
| } |
| |
| #endif |
