lib/Target/SparcV8/SparcV8RegisterInfo.h

   1 //===- SparcV8RegisterInfo.h - SparcV8 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 SparcV8 implementation of the MRegisterInfo class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef SPARCV8REGISTERINFO_H
  15 #define SPARCV8REGISTERINFO_H
  16
  17 #include "llvm/Target/MRegisterInfo.h"
  18 #include "SparcV8GenRegisterInfo.h.inc"
  19
  20 namespace llvm {
  21
  22 class SparcV8Subtarget;
  23 class Type;
  24
  25 struct SparcV8RegisterInfo : public SparcV8GenRegisterInfo {
  26   SparcV8Subtarget &Subtarget;
  27
  28   SparcV8RegisterInfo(SparcV8Subtarget &st);
  29
  30   /// Code Generation virtual methods...
  31   void storeRegToStackSlot(MachineBasicBlock &MBB,
  32                            MachineBasicBlock::iterator MBBI,
  33                            unsigned SrcReg, int FrameIndex,
  34                            const TargetRegisterClass *RC) const;
  35
  36   void loadRegFromStackSlot(MachineBasicBlock &MBB,
  37                             MachineBasicBlock::iterator MBBI,
  38                             unsigned DestReg, int FrameIndex,
  39                             const TargetRegisterClass *RC) const;
  40
  41   void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
  42                     unsigned DestReg, unsigned SrcReg,
  43                     const TargetRegisterClass *RC) const;
  44
  45   virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
  46                                           unsigned OpNum,
  47                                           int FrameIndex) const;
  48
  49   void eliminateCallFramePseudoInstr(MachineFunction &MF,
  50                                      MachineBasicBlock &MBB,
  51                                      MachineBasicBlock::iterator I) const;
  52
  53   void eliminateFrameIndex(MachineBasicBlock::iterator II) const;
  54
  55   void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
  56
  57   void emitPrologue(MachineFunction &MF) const;
  58   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
  59 };
  60
  61 } // end namespace llvm
  62
  63 #endif