lib/Target/MSP430/MSP430MachineFunctionInfo.h

   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   /// CalleeSavedFrameSize - Size of the callee-saved register portion of the
  25   /// stack frame in bytes.
  26   unsigned CalleeSavedFrameSize;
  27
  28   /// ReturnAddrIndex - FrameIndex for return slot.
  29   int ReturnAddrIndex;
  30
  31 public:
  32   MSP430MachineFunctionInfo() : CalleeSavedFrameSize(0) {}
  33
  34   explicit MSP430MachineFunctionInfo(MachineFunction &MF)
  35     : CalleeSavedFrameSize(0), ReturnAddrIndex(0) {}
  36
  37   unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; }
  38   void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; }
  39
  40   int getRAIndex() const { return ReturnAddrIndex; }
  41   void setRAIndex(int Index) { ReturnAddrIndex = Index; }
  42 };
  43
  44 } // End llvm namespace
  45
  46 #endif