lib/Target/IA64/IA64RegisterInfo.h

   1 //===- IA64RegisterInfo.h - IA64 Register Information Impl ------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file was developed by Duraid Madina and is distributed under the
   6 // University of Illinois Open Source License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file contains the IA64 implementation of the MRegisterInfo class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef IA64REGISTERINFO_H
  15 #define IA64REGISTERINFO_H
  16
  17 #include "llvm/Target/MRegisterInfo.h"
  18 #include "IA64GenRegisterInfo.h.inc"
  19
  20 namespace llvm { class llvm::Type; }
  21
  22 namespace llvm {
  23
  24 class TargetInstrInfo;
  25
  26 struct IA64RegisterInfo : public IA64GenRegisterInfo {
  27   const TargetInstrInfo &TII;
  28
  29   IA64RegisterInfo(const TargetInstrInfo &tii);
  30
  31   /// Code Generation virtual methods...
  32   void storeRegToStackSlot(MachineBasicBlock &MBB,
  33                            MachineBasicBlock::iterator MI,
  34                            unsigned SrcReg, int FrameIndex,
  35                            const TargetRegisterClass *RC) const;
  36
  37   void loadRegFromStackSlot(MachineBasicBlock &MBB,
  38                             MachineBasicBlock::iterator MI,
  39                             unsigned DestReg, int FrameIndex,
  40                             const TargetRegisterClass *RC) const;
  41
  42   void copyRegToReg(MachineBasicBlock &MBB,
  43                     MachineBasicBlock::iterator MI,
  44                     unsigned DestReg, unsigned SrcReg,
  45                     const TargetRegisterClass *RC) const;
  46
  47   const unsigned *getCalleeSavedRegs() const;
  48
  49   const TargetRegisterClass* const* getCalleeSavedRegClasses() const;
  50
  51   void eliminateCallFramePseudoInstr(MachineFunction &MF,
  52                                      MachineBasicBlock &MBB,
  53                                      MachineBasicBlock::iterator MI) const;
  54
  55   void eliminateFrameIndex(MachineBasicBlock::iterator MI) const;
  56
  57   void emitPrologue(MachineFunction &MF) const;
  58   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
  59
  60   // Debug information queries.
  61   unsigned getRARegister() const;
  62   unsigned getFrameRegister(MachineFunction &MF) const;
  63 };
  64
  65 } // End llvm namespace
  66
  67 #endif
  68