| //===- PIC16RegisterInfo.h - PIC16 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 PIC16 implementation of the TargetRegisterInfo class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef PIC16REGISTERINFO_H |
| #define PIC16REGISTERINFO_H |
| |
| #include "PIC16GenRegisterInfo.h.inc" |
| #include "llvm/Target/TargetRegisterInfo.h" |
| |
| namespace llvm { |
| |
| // Forward Declarations. |
| class PIC16Subtarget; |
| class TargetInstrInfo; |
| |
| class PIC16RegisterInfo : public PIC16GenRegisterInfo { |
| private: |
| const TargetInstrInfo &TII; |
| const PIC16Subtarget &ST; |
| |
| public: |
| PIC16RegisterInfo(const TargetInstrInfo &tii, |
| const PIC16Subtarget &st); |
| |
| |
| //------------------------------------------------------ |
| // Pure virtual functions from TargetRegisterInfo |
| //------------------------------------------------------ |
| |
| // PIC16 callee saved registers |
| virtual const unsigned* |
| getCalleeSavedRegs(const MachineFunction *MF = 0) const; |
| |
| // PIC16 callee saved register classes |
| virtual const TargetRegisterClass* const * |
| getCalleeSavedRegClasses(const MachineFunction *MF) const; |
| |
| virtual BitVector getReservedRegs(const MachineFunction &MF) const; |
| virtual bool hasFP(const MachineFunction &MF) const; |
| |
| virtual void eliminateFrameIndex(MachineBasicBlock::iterator MI, |
| int SPAdj, RegScavenger *RS=NULL) const; |
| |
| void eliminateCallFramePseudoInstr(MachineFunction &MF, |
| MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator I) const; |
| |
| virtual void emitPrologue(MachineFunction &MF) const; |
| virtual void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; |
| virtual int getDwarfRegNum(unsigned RegNum, bool isEH) const; |
| virtual unsigned getFrameRegister(MachineFunction &MF) const; |
| virtual unsigned getRARegister() const; |
| |
| }; |
| |
| } // end namespace llvm |
| |
| #endif |