1 //==- SystemZMachineFuctionInfo.h - SystemZ 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 SystemZ-specific per-machine-function information.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef SYSTEMZMACHINEFUNCTIONINFO_H
15 #define SYSTEMZMACHINEFUNCTIONINFO_H
16 
17 #include "llvm/CodeGen/MachineFunction.h"
18 
19 namespace llvm {
20 
21 /// SystemZMachineFunctionInfo - This class is derived from MachineFunction and
22 /// contains private SystemZ target-specific information for each MachineFunction.
23 class SystemZMachineFunctionInfo : public MachineFunctionInfo {
24   /// CalleeSavedFrameSize - Size of the callee-saved register portion of the
25   /// stack frame in bytes.
26   unsigned CalleeSavedFrameSize;
27 
28   /// LowReg - Low register of range of callee-saved registers to store.
29   unsigned LowReg;
30 
31   /// HighReg - High register of range of callee-saved registers to store.
32   unsigned HighReg;
33 public:
SystemZMachineFunctionInfo()34   SystemZMachineFunctionInfo() : CalleeSavedFrameSize(0) {}
35 
SystemZMachineFunctionInfo(MachineFunction & MF)36   explicit SystemZMachineFunctionInfo(MachineFunction &MF)
37     : CalleeSavedFrameSize(0) {}
38 
getCalleeSavedFrameSize()39   unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; }
setCalleeSavedFrameSize(unsigned bytes)40   void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; }
41 
getLowReg()42   unsigned getLowReg() const { return LowReg; }
setLowReg(unsigned Reg)43   void setLowReg(unsigned Reg) { LowReg = Reg; }
44 
getHighReg()45   unsigned getHighReg() const { return HighReg; }
setHighReg(unsigned Reg)46   void setHighReg(unsigned Reg) { HighReg = Reg; }
47 };
48 
49 } // End llvm namespace
50 
51 #endif
52