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 public:
29   SystemZMachineFunctionInfo() : CalleeSavedFrameSize(0) {}
30 
31   SystemZMachineFunctionInfo(MachineFunction &MF) : CalleeSavedFrameSize(0) {}
32 
33   unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; }
34   void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; }
35 };
36 
37 } // End llvm namespace
38 
39 #endif
40