1 //===-- AVRMachineFuctionInfo.h - AVR 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 AVR-specific per-machine-function information. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_AVR_MACHINE_FUNCTION_INFO_H 15 #define LLVM_AVR_MACHINE_FUNCTION_INFO_H 16 17 #include "AVRConfig.h" 18 19 #include "llvm/CodeGen/MachineFunction.h" 20 21 namespace llvm { 22 23 /** 24 * Contains AVR-specific information for each MachineFunction. 25 */ 26 class AVRMachineFunctionInfo : public MachineFunctionInfo { 27 /// Indicates if a register has been spilled by the register 28 /// allocator. 29 bool HasSpills; 30 31 /// Indicates if there are any fixed size allocas present. 32 /// Note that if there are only variable sized allocas this is set to false. 33 bool HasAllocas; 34 35 /// Indicates if arguments passed using the stack are being 36 /// used inside the function. 37 bool HasStackArgs; 38 39 /// Size of the callee-saved register portion of the 40 /// stack frame in bytes. 41 unsigned CalleeSavedFrameSize; 42 43 /// FrameIndex for start of varargs area. 44 int VarArgsFrameIndex; 45 46 public: AVRMachineFunctionInfo()47 AVRMachineFunctionInfo() 48 : HasSpills(false), HasAllocas(false), HasStackArgs(false), 49 CalleeSavedFrameSize(0), VarArgsFrameIndex(0) {} 50 AVRMachineFunctionInfo(MachineFunction & MF)51 explicit AVRMachineFunctionInfo(MachineFunction &MF) 52 : HasSpills(false), HasAllocas(false), HasStackArgs(false), 53 CalleeSavedFrameSize(0), VarArgsFrameIndex(0) {} 54 getHasSpills()55 bool getHasSpills() const { return HasSpills; } setHasSpills(bool B)56 void setHasSpills(bool B) { HasSpills = B; } 57 getHasAllocas()58 bool getHasAllocas() const { return HasAllocas; } setHasAllocas(bool B)59 void setHasAllocas(bool B) { HasAllocas = B; } 60 getHasStackArgs()61 bool getHasStackArgs() const { return HasStackArgs; } setHasStackArgs(bool B)62 void setHasStackArgs(bool B) { HasStackArgs = B; } 63 getCalleeSavedFrameSize()64 unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; } setCalleeSavedFrameSize(unsigned Bytes)65 void setCalleeSavedFrameSize(unsigned Bytes) { CalleeSavedFrameSize = Bytes; } 66 getVarArgsFrameIndex()67 int getVarArgsFrameIndex() const { return VarArgsFrameIndex; } setVarArgsFrameIndex(int Idx)68 void setVarArgsFrameIndex(int Idx) { VarArgsFrameIndex = Idx; } 69 }; 70 71 } // end llvm namespace 72 73 #endif // LLVM_AVR_MACHINE_FUNCTION_INFO_H 74