SparcRegisterInfo.h revision 7c90f73a1b06040d971a3dd95a491031ae6238d5 
1//===- SparcRegisterInfo.h - Sparc 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 Sparc implementation of the MRegisterInfo class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef SPARCREGISTERINFO_H
15#define SPARCREGISTERINFO_H
16
17#include "llvm/Target/MRegisterInfo.h"
18#include "SparcGenRegisterInfo.h.inc"
19
20namespace llvm {
21
22class SparcSubtarget;
23class Type;
24
25struct SparcRegisterInfo : public SparcGenRegisterInfo {
26  SparcSubtarget &Subtarget;
27
28  SparcRegisterInfo(SparcSubtarget &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
64