#ifndef MIPS16INSTRUCTIONINFO_H
#define MIPS16INSTRUCTIONINFO_H
#include "Mips16RegisterInfo.h"
#include "MipsInstrInfo.h"
namespace llvm {
class Mips16InstrInfo : public MipsInstrInfo {
const Mips16RegisterInfo RI;
public:
explicit Mips16InstrInfo(MipsTargetMachine &TM);
virtual const MipsRegisterInfo &getRegisterInfo() const;
virtual unsigned isLoadFromStackSlot(const MachineInstr *MI,
int &FrameIndex) const;
virtual unsigned isStoreToStackSlot(const MachineInstr *MI,
int &FrameIndex) const;
virtual void copyPhysReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI, DebugLoc DL,
unsigned DestReg, unsigned SrcReg,
bool KillSrc) const;
virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned SrcReg, bool isKill, int FrameIndex,
const TargetRegisterClass *RC,
const TargetRegisterInfo *TRI) const;
virtual void loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC,
const TargetRegisterInfo *TRI) const;
virtual bool expandPostRAPseudo(MachineBasicBlock::iterator MI) const;
virtual unsigned GetOppositeBranchOpc(unsigned Opc) const;
void makeFrame(unsigned SP, int64_t FrameSize, MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
void restoreFrame(unsigned SP, int64_t FrameSize, MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
void adjustStackPtr(unsigned SP, int64_t Amount, MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
unsigned loadImmediate(int64_t Imm, MachineBasicBlock &MBB,
MachineBasicBlock::iterator II, DebugLoc DL,
unsigned *NewImm) const;
private:
virtual unsigned GetAnalyzableBrOpc(unsigned Opc) const;
void ExpandRetRA16(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
unsigned Opc) const;
void adjustStackPtrBig(unsigned SP, int64_t Amount, MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned Reg1, unsigned Reg2) const;
void adjustStackPtrBigUnrestricted(unsigned SP, int64_t Amount,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
};
}
#endif