1 //===- MSP430MachineFuctionInfo.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 MSP430MACHINEFUNCTIONINFO_H
15 #define MSP430MACHINEFUNCTIONINFO_H
16 
17 #include "llvm/CodeGen/MachineFunction.h"
18 
19 namespace llvm {
20 
21 /// MSP430MachineFunctionInfo - This class is derived from MachineFunction and
22 /// contains private MSP430 target-specific information for each MachineFunction.
23 class 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 public:
34   MSP430MachineFunctionInfo() : CalleeSavedFrameSize(0) {}
35 
36   explicit MSP430MachineFunctionInfo(MachineFunction &MF)
37     : CalleeSavedFrameSize(0), ReturnAddrIndex(0) {}
38 
39   unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; }
40   void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; }
41 
42   int getRAIndex() const { return ReturnAddrIndex; }
43   void setRAIndex(int Index) { ReturnAddrIndex = Index; }
44 };
45 
46 } // End llvm namespace
47 
48 #endif
49