MSP430RegisterInfo.h revision 31d157ae1ac2cd9c787dc3c1d28e64c682803844 
1//===-- MSP430RegisterInfo.h - MSP430 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 MSP430 implementation of the MRegisterInfo class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_TARGET_MSP430REGISTERINFO_H
15#define LLVM_TARGET_MSP430REGISTERINFO_H
16
17#include "llvm/Target/TargetRegisterInfo.h"
18
19#define GET_REGINFO_HEADER
20#include "MSP430GenRegisterInfo.inc"
21
22namespace llvm {
23
24class TargetInstrInfo;
25class MSP430TargetMachine;
26
27struct MSP430RegisterInfo : public MSP430GenRegisterInfo {
28private:
29  MSP430TargetMachine &TM;
30  const TargetInstrInfo &TII;
31
32  /// StackAlign - Default stack alignment.
33  ///
34  unsigned StackAlign;
35public:
36  MSP430RegisterInfo(MSP430TargetMachine &tm, const TargetInstrInfo &tii);
37
38  /// Code Generation virtual methods...
39  const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
40
41  BitVector getReservedRegs(const MachineFunction &MF) const;
42  const TargetRegisterClass* getPointerRegClass(unsigned Kind = 0) const;
43
44  void eliminateCallFramePseudoInstr(MachineFunction &MF,
45                                     MachineBasicBlock &MBB,
46                                     MachineBasicBlock::iterator I) const;
47
48  void eliminateFrameIndex(MachineBasicBlock::iterator II,
49                           int SPAdj, RegScavenger *RS = NULL) const;
50
51  void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
52
53  // Debug information queries.
54  unsigned getFrameRegister(const MachineFunction &MF) const;
55};
56
57} // end namespace llvm
58
59#endif // LLVM_TARGET_MSP430REGISTERINFO_H
60