1//=== MSP430MachineFunctionInfo.h - MSP430 machine function info -*- 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 declares MSP430-specific per-machine-function information.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H
15#define LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H
16
17#include "llvm/CodeGen/MachineFunction.h"
18
19namespace llvm {
20
21/// MSP430MachineFunctionInfo - This class is derived from MachineFunction and
22/// contains private MSP430 target-specific information for each MachineFunction.
23class MSP430MachineFunctionInfo : public MachineFunctionInfo {
24  virtual void anchor();
25
26  /// CalleeSavedFrameSize - Size of the callee-saved register portion of the
27  /// stack frame in bytes.
28  unsigned CalleeSavedFrameSize;
29
30  /// ReturnAddrIndex - FrameIndex for return slot.
31  int ReturnAddrIndex;
32
33  /// VarArgsFrameIndex - FrameIndex for start of varargs area.
34  int VarArgsFrameIndex;
35
36public:
37  MSP430MachineFunctionInfo() : CalleeSavedFrameSize(0) {}
38
39  explicit MSP430MachineFunctionInfo(MachineFunction &MF)
40    : CalleeSavedFrameSize(0), ReturnAddrIndex(0) {}
41
42  unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; }
43  void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; }
44
45  int getRAIndex() const { return ReturnAddrIndex; }
46  void setRAIndex(int Index) { ReturnAddrIndex = Index; }
47
48  int getVarArgsFrameIndex() const { return VarArgsFrameIndex;}
49  void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
50};
51
52} // End llvm namespace
53
54#endif
55