1 //====- X86MachineFuctionInfo.h - X86 machine function info -----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the Evan Cheng and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares X86-specific per-machine-function information.
12 //===----------------------------------------------------------------------===//
14 #ifndef X86MACHINEFUNCTIONINFO_H
15 #define X86MACHINEFUNCTIONINFO_H
17 #include "llvm/CodeGen/MachineFunction.h"
21 /// X86FunctionInfo - This class is derived from MachineFunction private
22 /// X86 target-specific information for each MachineFunction.
23 class X86FunctionInfo : public MachineFunctionInfo {
24 // ForceFramePointer - True if the function is required to use of frame
25 // pointer for reasons other than it containing dynamic allocation or
26 // that FP eliminatation is turned off. For example, Cygwin main function
27 // contains stack pointer re-alignment code which requires FP.
28 bool ForceFramePointer;
30 X86FunctionInfo(MachineFunction& MF) : ForceFramePointer(false) {}
31 bool getForceFramePointer() const { return ForceFramePointer;}
32 void setForceFramePointer(bool forceFP) { ForceFramePointer = forceFP; }
34 } // End llvm namespace