LLVM API Documentation

IA64RegisterInfo.h

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00001 //===- IA64RegisterInfo.h - IA64 Register Information Impl ------*- C++ -*-===//
00002 //
00003 //                     The LLVM Compiler Infrastructure
00004 //
00005 // This file was developed by Duraid Madina and is distributed under the
00006 // University of Illinois Open Source License. See LICENSE.TXT for details.
00007 //
00008 //===----------------------------------------------------------------------===//
00009 //
00010 // This file contains the IA64 implementation of the MRegisterInfo class.
00011 //
00012 //===----------------------------------------------------------------------===//
00013 
00014 #ifndef IA64REGISTERINFO_H
00015 #define IA64REGISTERINFO_H
00016 
00017 #include "llvm/Target/MRegisterInfo.h"
00018 #include "IA64GenRegisterInfo.h.inc"
00019 
00020 namespace llvm { class llvm::Type; }
00021 
00022 namespace llvm {
00023 
00024 struct IA64RegisterInfo : public IA64GenRegisterInfo {
00025   IA64RegisterInfo();
00026 
00027   /// Code Generation virtual methods...
00028   void storeRegToStackSlot(MachineBasicBlock &MBB,
00029                            MachineBasicBlock::iterator MI,
00030                            unsigned SrcReg, int FrameIndex,
00031                            const TargetRegisterClass *RC) const;
00032 
00033   void loadRegFromStackSlot(MachineBasicBlock &MBB,
00034                             MachineBasicBlock::iterator MI,
00035                             unsigned DestReg, int FrameIndex,
00036                             const TargetRegisterClass *RC) const;
00037 
00038   void copyRegToReg(MachineBasicBlock &MBB,
00039                     MachineBasicBlock::iterator MI,
00040                     unsigned DestReg, unsigned SrcReg,
00041                     const TargetRegisterClass *RC) const;
00042 
00043   const unsigned *getCalleeSaveRegs() const;
00044 
00045   const TargetRegisterClass* const* getCalleeSaveRegClasses() const;
00046 
00047   void eliminateCallFramePseudoInstr(MachineFunction &MF,
00048                                      MachineBasicBlock &MBB,
00049                                      MachineBasicBlock::iterator MI) const;
00050 
00051   void eliminateFrameIndex(MachineBasicBlock::iterator MI) const;
00052 
00053   void emitPrologue(MachineFunction &MF) const;
00054   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
00055 
00056   // Debug information queries.
00057   unsigned getRARegister() const;
00058   unsigned getFrameRegister(MachineFunction &MF) const;
00059 };
00060 
00061 } // End llvm namespace
00062 
00063 #endif
00064