lib/Target/PowerPC/PowerPCRegisterInfo.h

   1 //===- PowerPCRegisterInfo.h - PowerPC Register Information Impl -*- C++ -*-==//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file was developed by the LLVM research group and is distributed under
   6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file contains the PowerPC implementation of the MRegisterInfo class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef POWERPC_REGISTERINFO_H
  15 #define POWERPC_REGISTERINFO_H
  16
  17 #include "llvm/Target/MRegisterInfo.h"
  18
  19 namespace llvm {
  20
  21 class Type;
  22
  23 class PowerPCRegisterInfo : public PowerPCGenRegisterInfo {
  24   std::map<unsigned, unsigned> ImmToIdxMap;
  25 public:
  26   PowerPCRegisterInfo();
  27   const TargetRegisterClass* getRegClassForType(const Type* Ty) const;
  28
  29   /// Code Generation virtual methods...
  30   void storeRegToStackSlot(MachineBasicBlock &MBB,
  31                            MachineBasicBlock::iterator MBBI,
  32                            unsigned SrcReg, int FrameIndex) const;
  33
  34   void loadRegFromStackSlot(MachineBasicBlock &MBB,
  35                             MachineBasicBlock::iterator MBBI,
  36                             unsigned DestReg, int FrameIndex) const;
  37
  38   void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
  39                     unsigned DestReg, unsigned SrcReg,
  40                     const TargetRegisterClass *RC) const;
  41
  42   void eliminateCallFramePseudoInstr(MachineFunction &MF,
  43                                      MachineBasicBlock &MBB,
  44                                      MachineBasicBlock::iterator I) const;
  45
  46   void eliminateFrameIndex(MachineBasicBlock::iterator II) const;
  47
  48   void emitPrologue(MachineFunction &MF) const;
  49   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
  50 };
  51
  52 } // end namespace llvm
  53
  54 #endif