SparcRegisterInfo.h revision 6184f9ca5eff6f7f55264d447638b7a27b806c9c 
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
20namespace llvm {
21
22class Type;
23
24struct SparcV8RegisterInfo : public SparcV8GenRegisterInfo {
25  SparcV8RegisterInfo();
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  virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
43                                          unsigned OpNum,
44                                          int FrameIndex) const;
45
46  void eliminateCallFramePseudoInstr(MachineFunction &MF,
47                                     MachineBasicBlock &MBB,
48                                     MachineBasicBlock::iterator I) const;
49
50  void eliminateFrameIndex(MachineBasicBlock::iterator II) const;
51
52  void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
53
54  void emitPrologue(MachineFunction &MF) const;
55  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
56};
57
58} // end namespace llvm
59
60#endif
61