src/llvm/lib/Target/CellSPU/SPUMachineFunction.h

   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   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
  33 public:
  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