1 //===- MSP430InstrInfo.h - MSP430 Instruction Information -------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the MSP430 implementation of the TargetInstrInfo class.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_TARGET_MSP430INSTRINFO_H
15 #define LLVM_TARGET_MSP430INSTRINFO_H
17 #include "llvm/Target/TargetInstrInfo.h"
18 #include "MSP430RegisterInfo.h"
22 class MSP430TargetMachine;
24 class MSP430InstrInfo : public TargetInstrInfoImpl {
25 const MSP430RegisterInfo RI;
26 MSP430TargetMachine &TM;
28 explicit MSP430InstrInfo(MSP430TargetMachine &TM);
30 /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
31 /// such, whenever a client has an instance of instruction info, it should
32 /// always be able to get register info as well (through this method).
34 virtual const TargetRegisterInfo &getRegisterInfo() const { return RI; }
36 bool copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
37 unsigned DestReg, unsigned SrcReg,
38 const TargetRegisterClass *DestRC,
39 const TargetRegisterClass *SrcRC) const;
41 bool isMoveInstr(const MachineInstr& MI,
42 unsigned &SrcReg, unsigned &DstReg,
43 unsigned &SrcSubIdx, unsigned &DstSubIdx) const;
45 virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
46 MachineBasicBlock::iterator MI,
47 unsigned SrcReg, bool isKill, int FrameIndex,
48 const TargetRegisterClass *RC) const;
49 virtual void loadRegFromStackSlot(MachineBasicBlock &MBB,
50 MachineBasicBlock::iterator MI,
51 unsigned DestReg, int FrameIdx,
52 const TargetRegisterClass *RC) const;