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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
19 namespace llvm {
20
21 /// SPUFunctionInfo - Cell SPU target-specific information for each
22 /// MachineFunction
23 class SPUFunctionInfo : public MachineFunctionInfo {
24 private:
25   /// UsesLR - Indicates whether LR is used in the current function.
26   ///
27   bool UsesLR;
28
29   // VarArgsFrameIndex - FrameIndex for start of varargs area.
30   int VarArgsFrameIndex;
31
32 public:
33   SPUFunctionInfo(MachineFunction& MF) 
34   : UsesLR(false),
35     VarArgsFrameIndex(0)
36   {}
37
38   void setUsesLR(bool U) { UsesLR = U; }
39   bool usesLR()          { return UsesLR; }
40
41   int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
42   void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
43 };
44
45 } // end of namespace llvm
46
47
48 #endif
49