SparcRegisterInfo.h revision 1b41835f02f77c04a93323f722cf158cc566acae 
1//===-- SparcRegisterInfo.h - Sparc Register Information Impl ---*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file contains the Sparc implementation of the TargetRegisterInfo class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef SPARCREGISTERINFO_H
15#define SPARCREGISTERINFO_H
16
17#include "llvm/Target/TargetRegisterInfo.h"
18
19#define GET_REGINFO_HEADER
20#include "SparcGenRegisterInfo.inc"
21
22namespace llvm {
23
24class SparcSubtarget;
25class TargetInstrInfo;
26class Type;
27
28struct SparcRegisterInfo : public SparcGenRegisterInfo {
29  SparcSubtarget &Subtarget;
30
31  SparcRegisterInfo(SparcSubtarget &st);
32
33  /// Code Generation virtual methods...
34  const uint16_t *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
35  const uint32_t* getCallPreservedMask(CallingConv::ID CC) const;
36
37  const uint32_t* getRTCallPreservedMask(CallingConv::ID CC) const;
38
39  BitVector getReservedRegs(const MachineFunction &MF) const;
40
41  const TargetRegisterClass *getPointerRegClass(const MachineFunction &MF,
42                                                unsigned Kind) const;
43
44  void eliminateFrameIndex(MachineBasicBlock::iterator II,
45                           int SPAdj, unsigned FIOperandNum,
46                           RegScavenger *RS = NULL) const;
47
48  void processFunctionBeforeFrameFinalized(MachineFunction &MF,
49                                       RegScavenger *RS = NULL) const;
50
51  // Debug information queries.
52  unsigned getFrameRegister(const MachineFunction &MF) const;
53
54  // Exception handling queries.
55  unsigned getEHExceptionRegister() const;
56  unsigned getEHHandlerRegister() const;
57};
58
59} // end namespace llvm
60
61#endif
62