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it is defined in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36196 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
//====- X86MachineFuctionInfo.h - X86 machine function info -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the Evan Cheng and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares X86-specific per-machine-function information.
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//
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//===----------------------------------------------------------------------===//
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#ifndef X86MACHINEFUNCTIONINFO_H
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#define X86MACHINEFUNCTIONINFO_H
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#include "llvm/CodeGen/MachineFunction.h"
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namespace llvm {
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enum NameDecorationStyle {
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None,
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StdCall,
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FastCall
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};
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/// X86MachineFunctionInfo - This class is derived from MachineFunction private
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/// X86 target-specific information for each MachineFunction.
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class X86MachineFunctionInfo : public MachineFunctionInfo {
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/// ForceFramePointer - True if the function is required to use of frame
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/// pointer for reasons other than it containing dynamic allocation or
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/// that FP eliminatation is turned off. For example, Cygwin main function
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/// contains stack pointer re-alignment code which requires FP.
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bool ForceFramePointer;
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/// BytesToPopOnReturn - amount of bytes function pops on return.
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/// Used on windows platform for stdcall & fastcall name decoration
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unsigned BytesToPopOnReturn;
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/// If the function requires additional name decoration, DecorationStyle holds
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/// the right way to do so.
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NameDecorationStyle DecorationStyle;
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public:
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X86MachineFunctionInfo() : ForceFramePointer(false),
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BytesToPopOnReturn(0),
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DecorationStyle(None) {}
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X86MachineFunctionInfo(MachineFunction &MF) : ForceFramePointer(false),
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BytesToPopOnReturn(0),
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DecorationStyle(None) {}
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bool getForceFramePointer() const { return ForceFramePointer;}
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void setForceFramePointer(bool forceFP) { ForceFramePointer = forceFP; }
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unsigned getBytesToPopOnReturn() const { return BytesToPopOnReturn; }
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void setBytesToPopOnReturn (unsigned bytes) { BytesToPopOnReturn = bytes;}
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NameDecorationStyle getDecorationStyle() const { return DecorationStyle; }
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void setDecorationStyle(NameDecorationStyle style) { DecorationStyle = style;}
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};
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} // End llvm namespace
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#endif
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