| //===- MSP430RegisterInfo.h - MSP430 Register Information Impl --*- 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 MRegisterInfo class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_TARGET_MSP430REGISTERINFO_H |
| #define LLVM_TARGET_MSP430REGISTERINFO_H |
| |
| #include "llvm/Target/TargetRegisterInfo.h" |
| #include "MSP430GenRegisterInfo.h.inc" |
| |
| namespace llvm { |
| |
| class TargetInstrInfo; |
| class MSP430TargetMachine; |
| |
| struct MSP430RegisterInfo : public MSP430GenRegisterInfo { |
| private: |
| MSP430TargetMachine &TM; |
| const TargetInstrInfo &TII; |
| |
| /// StackAlign - Default stack alignment. |
| /// |
| unsigned StackAlign; |
| public: |
| MSP430RegisterInfo(MSP430TargetMachine &tm, const TargetInstrInfo &tii); |
| |
| /// Code Generation virtual methods... |
| const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const; |
| |
| const TargetRegisterClass* const* |
| getCalleeSavedRegClasses(const MachineFunction *MF = 0) const; |
| |
| BitVector getReservedRegs(const MachineFunction &MF) const; |
| const TargetRegisterClass* getPointerRegClass() const; |
| |
| bool hasFP(const MachineFunction &MF) const; |
| bool hasReservedCallFrame(MachineFunction &MF) const; |
| |
| void eliminateCallFramePseudoInstr(MachineFunction &MF, |
| MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator I) const; |
| |
| void eliminateFrameIndex(MachineBasicBlock::iterator II, |
| int SPAdj, RegScavenger *RS = NULL) const; |
| |
| void emitPrologue(MachineFunction &MF) const; |
| void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; |
| |
| void processFunctionBeforeFrameFinalized(MachineFunction &MF) const; |
| |
| // Debug information queries. |
| unsigned getRARegister() const; |
| unsigned getFrameRegister(MachineFunction &MF) const; |
| |
| //! Get DWARF debugging register number |
| int getDwarfRegNum(unsigned RegNum, bool isEH) const; |
| }; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_TARGET_MSP430REGISTERINFO_H |