1 //====- AlphaMachineFuctionInfo.h - Alpha machine function info -*- 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 Alpha-specific per-machine-function information. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef ALPHAMACHINEFUNCTIONINFO_H 15 #define ALPHAMACHINEFUNCTIONINFO_H 16 17 #include "llvm/CodeGen/MachineFunction.h" 18 19 namespace llvm { 20 21 /// AlphaMachineFunctionInfo - This class is derived from MachineFunction 22 /// private Alpha target-specific information for each MachineFunction. 23 class AlphaMachineFunctionInfo : public MachineFunctionInfo { 24 /// GlobalBaseReg - keeps track of the virtual register initialized for 25 /// use as the global base register. This is used for PIC in some PIC 26 /// relocation models. 27 unsigned GlobalBaseReg; 28 29 /// GlobalRetAddr = keeps track of the virtual register initialized for 30 /// the return address value. 31 unsigned GlobalRetAddr; 32 33 /// VarArgsOffset - What is the offset to the first vaarg 34 int VarArgsOffset; 35 /// VarArgsBase - What is the base FrameIndex 36 int VarArgsBase; 37 38 public: 39 AlphaMachineFunctionInfo() : GlobalBaseReg(0), GlobalRetAddr(0), 40 VarArgsOffset(0), VarArgsBase(0) {} 41 42 explicit AlphaMachineFunctionInfo(MachineFunction &MF) : GlobalBaseReg(0), 43 GlobalRetAddr(0), 44 VarArgsOffset(0), 45 VarArgsBase(0) {} 46 47 unsigned getGlobalBaseReg() const { return GlobalBaseReg; } 48 void setGlobalBaseReg(unsigned Reg) { GlobalBaseReg = Reg; } 49 50 unsigned getGlobalRetAddr() const { return GlobalRetAddr; } 51 void setGlobalRetAddr(unsigned Reg) { GlobalRetAddr = Reg; } 52 53 int getVarArgsOffset() const { return VarArgsOffset; } 54 void setVarArgsOffset(int Offset) { VarArgsOffset = Offset; } 55 56 int getVarArgsBase() const { return VarArgsBase; } 57 void setVarArgsBase(int Base) { VarArgsBase = Base; } 58 }; 59 60 } // End llvm namespace 61 62 #endif 63
