#ifndef THUMB1INSTRUCTIONINFO_H
#define THUMB1INSTRUCTIONINFO_H
#include "llvm/Target/TargetInstrInfo.h"
#include "ARM.h"
#include "ARMInstrInfo.h"
#include "Thumb1RegisterInfo.h"
namespace llvm {
class ARMSubtarget;
class Thumb1InstrInfo : public ARMBaseInstrInfo {
Thumb1RegisterInfo RI;
public:
explicit Thumb1InstrInfo(const ARMSubtarget &STI);
unsigned getUnindexedOpcode(unsigned Opc) const;
const Thumb1RegisterInfo &getRegisterInfo() const { return RI; }
bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const;
bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const;
bool copyRegToReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *DestRC,
const TargetRegisterClass *SrcRC) const;
void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned SrcReg, bool isKill, int FrameIndex,
const TargetRegisterClass *RC) const;
void loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC) const;
bool canFoldMemoryOperand(const MachineInstr *MI,
const SmallVectorImpl<unsigned> &Ops) const;
MachineInstr* foldMemoryOperandImpl(MachineFunction &MF,
MachineInstr* MI,
const SmallVectorImpl<unsigned> &Ops,
int FrameIndex) const;
MachineInstr* foldMemoryOperandImpl(MachineFunction &MF,
MachineInstr* MI,
const SmallVectorImpl<unsigned> &Ops,
MachineInstr* LoadMI) const {
return 0;
}
};
}
#endif // THUMB1INSTRUCTIONINFO_H