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Diffstat (limited to 'llvm/lib/Target/Nios2/Nios2MachineFunction.h')
-rw-r--r-- | llvm/lib/Target/Nios2/Nios2MachineFunction.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/llvm/lib/Target/Nios2/Nios2MachineFunction.h b/llvm/lib/Target/Nios2/Nios2MachineFunction.h new file mode 100644 index 00000000000..73baf969479 --- /dev/null +++ b/llvm/lib/Target/Nios2/Nios2MachineFunction.h @@ -0,0 +1,62 @@ +//===-- Nios2MachineFunctionInfo.h - Private data used for Nios2 --*- C++ -*-=// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file declares the Nios2 specific subclass of MachineFunctionInfo. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_NIOS2_NIOS2MACHINEFUNCTION_H +#define LLVM_LIB_TARGET_NIOS2_NIOS2MACHINEFUNCTION_H + +#include "llvm/CodeGen/MachineFunction.h" + +namespace llvm { + +/// Nios2FunctionInfo - This class is derived from MachineFunction private +/// Nios2 target-specific information for each MachineFunction. +class Nios2FunctionInfo : public MachineFunctionInfo { + virtual void anchor(); + +private: + unsigned GlobalBaseReg; + + /// VarArgsFrameOffset - Frame offset to start of varargs area. + int VarArgsFrameOffset; + + /// SRetReturnReg - Holds the virtual register into which the sret + /// argument is passed. + unsigned SRetReturnReg; + + /// IsLeafProc - True if the function is a leaf procedure. + bool IsLeafProc; + +public: + Nios2FunctionInfo() + : GlobalBaseReg(0), VarArgsFrameOffset(0), SRetReturnReg(0), + IsLeafProc(false) {} + explicit Nios2FunctionInfo(MachineFunction &MF) + : GlobalBaseReg(0), VarArgsFrameOffset(0), SRetReturnReg(0), + IsLeafProc(false) {} + + unsigned getGlobalBaseReg() const { return GlobalBaseReg; } + void setGlobalBaseReg(unsigned Reg) { GlobalBaseReg = Reg; } + + int getVarArgsFrameOffset() const { return VarArgsFrameOffset; } + void setVarArgsFrameOffset(int Offset) { VarArgsFrameOffset = Offset; } + + unsigned getSRetReturnReg() const { return SRetReturnReg; } + void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; } + + void setLeafProc(bool rhs) { IsLeafProc = rhs; } + bool isLeafProc() const { return IsLeafProc; } +}; + +} // end of namespace llvm + +#endif // NIOS2_MACHINE_FUNCTION_INFO_H |