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Diffstat (limited to 'lib/Target/PowerPC/PPCMachineFunctionInfo.h')
-rw-r--r-- | lib/Target/PowerPC/PPCMachineFunctionInfo.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCMachineFunctionInfo.h b/lib/Target/PowerPC/PPCMachineFunctionInfo.h new file mode 100644 index 0000000000..28f97019f9 --- /dev/null +++ b/lib/Target/PowerPC/PPCMachineFunctionInfo.h @@ -0,0 +1,43 @@ +//===-- PPCMachineFunctionInfo.h - Private data used for PowerPC --*- C++ -*-=// +// +// The LLVM Compiler Infrastructure +// +// This file was developed by James M. Laskey and is distributed under +// the University of Illinois Open Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file declares the PowerPC specific subclass of MachineFunctionInfo. +// +//===----------------------------------------------------------------------===// + +#ifndef PPC_MACHINE_FUNCTION_INFO_H +#define PPC_MACHINE_FUNCTION_INFO_H + +#include "llvm/CodeGen/MachineFunction.h" + +namespace llvm { + +/// PPCFunctionInfo - This class is derived from MachineFunction private +/// PowerPC target-specific information for each MachineFunction. +class PPCFunctionInfo : public MachineFunctionInfo { +private: + /// FramePointerSaveIndex - Frame index of where the old frame pointer is + /// stored. Also used as an anchor for instructions that need to be altered + /// when using frame pointers (dyna_add, dyna_sub.) + int FramePointerSaveIndex; + +public: + PPCFunctionInfo(MachineFunction& MF) + : FramePointerSaveIndex(0) + {} + + int getFramePointerSaveIndex() const { return FramePointerSaveIndex; } + void setFramePointerSaveIndex(int Idx) { FramePointerSaveIndex = Idx; } + +}; + +} // end of namespace llvm + + +#endif
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