lib/Target/Alpha/AlphaRegisterInfo.h

   1 //===- AlphaRegisterInfo.h - Alpha 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 Alpha implementation of the MRegisterInfo class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef ALPHAREGISTERINFO_H
  15 #define ALPHAREGISTERINFO_H
  16
  17 #include "llvm/Target/MRegisterInfo.h"
  18 #include "AlphaGenRegisterInfo.h.inc"
  19
  20 namespace llvm {
  21
  22 class Type;
  23
  24 struct AlphaRegisterInfo : public AlphaGenRegisterInfo {
  25   AlphaRegisterInfo();
  26   const TargetRegisterClass* getRegClassForType(const Type* Ty) const;
  27
  28   /// Code Generation virtual methods...
  29   void storeRegToStackSlot(MachineBasicBlock &MBB,
  30                            MachineBasicBlock::iterator MBBI,
  31                            unsigned SrcReg, int FrameIndex) const;
  32
  33   void loadRegFromStackSlot(MachineBasicBlock &MBB,
  34                             MachineBasicBlock::iterator MBBI,
  35                             unsigned DestReg, int FrameIndex) const;
  36
  37   void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
  38                     unsigned DestReg, unsigned SrcReg,
  39                     const TargetRegisterClass *RC) const;
  40
  41   void eliminateCallFramePseudoInstr(MachineFunction &MF,
  42                                      MachineBasicBlock &MBB,
  43                                      MachineBasicBlock::iterator I) const;
  44
  45   void eliminateFrameIndex(MachineBasicBlock::iterator II) const;
  46
  47   //void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
  48
  49   void emitPrologue(MachineFunction &MF) const;
  50   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
  51
  52   static std::string getPrettyName(unsigned reg);
  53 };
  54
  55 } // end namespace llvm
  56
  57 #endif