LLVM: LLVM: AlphaRegisterInfo.h Source File

00001 //===- AlphaRegisterInfo.h - Alpha Register Information Impl ----*- C++ -*-===//
00002 //
00003 //                     The LLVM Compiler Infrastructure
00004 //
00005 // This file is distributed under the University of Illinois Open Source
00006 // License. See LICENSE.TXT for details.
00007 //
00008 //===----------------------------------------------------------------------===//
00009 //
00010 // This file contains the Alpha implementation of the TargetRegisterInfo class.
00011 //
00012 //===----------------------------------------------------------------------===//
00013 
00014 #ifndef ALPHAREGISTERINFO_H
00015 #define ALPHAREGISTERINFO_H
00016 
00017 #include "llvm/Target/TargetRegisterInfo.h"
00018 #include "AlphaGenRegisterInfo.h.inc"
00019 
00020 namespace llvm {
00021 
00022 class TargetInstrInfo;
00023 class Type;
00024 
00025 struct AlphaRegisterInfo : public AlphaGenRegisterInfo {
00026   const TargetInstrInfo &TII;
00027 
00028   AlphaRegisterInfo(const TargetInstrInfo &tii);
00029 
00030   /// Code Generation virtual methods...
00031   const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
00032 
00033   const TargetRegisterClass* const* getCalleeSavedRegClasses(
00034                                      const MachineFunction *MF = 0) const;
00035 
00036   BitVector getReservedRegs(const MachineFunction &MF) const;
00037 
00038   bool hasFP(const MachineFunction &MF) const;
00039 
00040   void eliminateCallFramePseudoInstr(MachineFunction &MF,
00041                                      MachineBasicBlock &MBB,
00042                                      MachineBasicBlock::iterator I) const;
00043 
00044   void eliminateFrameIndex(MachineBasicBlock::iterator II,
00045                            int SPAdj, RegScavenger *RS = NULL) const;
00046 
00047   //void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
00048 
00049   void emitPrologue(MachineFunction &MF) const;
00050   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
00051 
00052   // Debug information queries.
00053   unsigned getRARegister() const;
00054   unsigned getFrameRegister(MachineFunction &MF) const;
00055 
00056   // Exception handling queries.
00057   unsigned getEHExceptionRegister() const;
00058   unsigned getEHHandlerRegister() const;
00059 
00060   int getDwarfRegNum(unsigned RegNum, bool isEH) const;
00061 
00062   static std::string getPrettyName(unsigned reg);
00063 };
00064 
00065 } // end namespace llvm
00066 
00067 #endif
Generated on Mon Sep 8 02:31:45 2008 for LLVM by Doxygen