1//===-- SPUMachineFunctionInfo.h - Private data used for CellSPU --*- 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 the IBM Cell SPU specific subclass of MachineFunctionInfo.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef SPU_MACHINE_FUNCTION_INFO_H
15#define SPU_MACHINE_FUNCTION_INFO_H
16
17#include "llvm/CodeGen/MachineFunction.h"
18
19namespace llvm {
20
21/// SPUFunctionInfo - Cell SPU target-specific information for each
22/// MachineFunction
23class SPUFunctionInfo : public MachineFunctionInfo {
24  virtual void anchor();
25
26  /// UsesLR - Indicates whether LR is used in the current function.
27  ///
28  bool UsesLR;
29
30  // VarArgsFrameIndex - FrameIndex for start of varargs area.
31  int VarArgsFrameIndex;
32
33public:
34  SPUFunctionInfo(MachineFunction& MF)
35  : UsesLR(false),
36    VarArgsFrameIndex(0)
37  {}
38
39  void setUsesLR(bool U) { UsesLR = U; }
40  bool usesLR()          { return UsesLR; }
41
42  int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
43  void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
44};
45
46} // end of namespace llvm
47
48
49#endif
50
51