diff options
Diffstat (limited to 'lib/Target/ARM/Thumb2InstrInfo.h')
| -rw-r--r-- | lib/Target/ARM/Thumb2InstrInfo.h | 74 |
1 files changed, 21 insertions, 53 deletions
diff --git a/lib/Target/ARM/Thumb2InstrInfo.h b/lib/Target/ARM/Thumb2InstrInfo.h index 84dcb49a6eed..f3688c0084ae 100644 --- a/lib/Target/ARM/Thumb2InstrInfo.h +++ b/lib/Target/ARM/Thumb2InstrInfo.h @@ -27,66 +27,34 @@ class Thumb2InstrInfo : public ARMBaseInstrInfo { public: explicit Thumb2InstrInfo(const ARMSubtarget &STI); - /// 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). - /// - const Thumb2RegisterInfo &getRegisterInfo() const { return RI; } - - bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, - MachineBasicBlock::iterator MI, - const std::vector<CalleeSavedInfo> &CSI) const; - bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, - MachineBasicBlock::iterator MI, - const std::vector<CalleeSavedInfo> &CSI) const; + // Return the non-pre/post incrementing version of 'Opc'. Return 0 + // if there is not such an opcode. + unsigned getUnindexedOpcode(unsigned Opc) const; - bool isMoveInstr(const MachineInstr &MI, - unsigned &SrcReg, unsigned &DstReg, - unsigned &SrcSubIdx, unsigned &DstSubIdx) const; - unsigned isLoadFromStackSlot(const MachineInstr *MI, - int &FrameIndex) const; - unsigned isStoreToStackSlot(const MachineInstr *MI, - int &FrameIndex) const; + // Return true if the block does not fall through. + bool BlockHasNoFallThrough(const MachineBasicBlock &MBB) 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; + MachineBasicBlock::iterator I, + unsigned DestReg, unsigned SrcReg, + const TargetRegisterClass *DestRC, + const TargetRegisterClass *SrcRC) const; - void storeRegToAddr(MachineFunction &MF, unsigned SrcReg, bool isKill, - SmallVectorImpl<MachineOperand> &Addr, - const TargetRegisterClass *RC, - SmallVectorImpl<MachineInstr*> &NewMIs) 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; + MachineBasicBlock::iterator MBBI, + unsigned DestReg, int FrameIndex, + const TargetRegisterClass *RC) const; - void loadRegFromAddr(MachineFunction &MF, unsigned DestReg, - SmallVectorImpl<MachineOperand> &Addr, - const TargetRegisterClass *RC, - SmallVectorImpl<MachineInstr*> &NewMIs) 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; - } + /// 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). + /// + const Thumb2RegisterInfo &getRegisterInfo() const { return RI; } }; } |