summaryrefslogtreecommitdiff
path: root/lib/Target/MSP430/MSP430RegisterInfo.h
blob: 78047cc6e6f0445522d6573942ac09e778d9fe5c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
//===-- MSP430RegisterInfo.h - MSP430 Register Information Impl -*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the MSP430 implementation of the MRegisterInfo class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_TARGET_MSP430REGISTERINFO_H
#define LLVM_TARGET_MSP430REGISTERINFO_H

#include "llvm/Target/TargetRegisterInfo.h"

#define GET_REGINFO_HEADER
#include "MSP430GenRegisterInfo.inc"

namespace llvm {

class TargetInstrInfo;
class MSP430TargetMachine;

struct MSP430RegisterInfo : public MSP430GenRegisterInfo {
private:
  MSP430TargetMachine &TM;

  /// StackAlign - Default stack alignment.
  ///
  unsigned StackAlign;
public:
  MSP430RegisterInfo(MSP430TargetMachine &tm);

  /// Code Generation virtual methods...
  const uint16_t *getCalleeSavedRegs(const MachineFunction *MF = 0) const;

  BitVector getReservedRegs(const MachineFunction &MF) const;
  const TargetRegisterClass*
  getPointerRegClass(const MachineFunction &MF, unsigned Kind = 0) const;

  void eliminateFrameIndex(MachineBasicBlock::iterator II,
                           int SPAdj, unsigned FIOperandNum,
                           RegScavenger *RS = NULL) const;

  // Debug information queries.
  unsigned getFrameRegister(const MachineFunction &MF) const;
};

} // end namespace llvm

#endif // LLVM_TARGET_MSP430REGISTERINFO_H