lib/Target/X86/X86RegisterInfo.h

   1 //===- X86RegisterInfo.h - X86 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 X86 implementation of the MRegisterInfo class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef X86REGISTERINFO_H
  15 #define X86REGISTERINFO_H
  16
  17 #include "llvm/Target/MRegisterInfo.h"
  18
  19 class Type;
  20
  21 #include "X86GenRegisterInfo.h.inc"
  22
  23 struct X86RegisterInfo : public X86GenRegisterInfo {
  24   X86RegisterInfo();
  25   const TargetRegisterClass* getRegClassForType(const Type* Ty) const;
  26
  27   /// Code Generation virtual methods...
  28   void storeRegToStackSlot(MachineBasicBlock &MBB,
  29                            MachineBasicBlock::iterator &MBBI,
  30                            unsigned SrcReg, int FrameIndex,
  31                            const TargetRegisterClass *RC) const;
  32
  33   void loadRegFromStackSlot(MachineBasicBlock &MBB,
  34                             MachineBasicBlock::iterator &MBBI,
  35                             unsigned DestReg, int FrameIndex,
  36                             const TargetRegisterClass *RC) 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(MachineFunction &MF,
  47                            MachineBasicBlock::iterator &II) const;
  48
  49   void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
  50
  51   void emitPrologue(MachineFunction &MF) const;
  52   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
  53 };
  54
  55 #endif