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49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
//====- AlphaMachineFuctionInfo.h - Alpha 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 is distributed under the University of Illinois Open Source
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// 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 Alpha-specific per-machine-function information.
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//
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//===----------------------------------------------------------------------===//
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#ifndef ALPHAMACHINEFUNCTIONINFO_H
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#define ALPHAMACHINEFUNCTIONINFO_H
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#include "llvm/CodeGen/MachineFunction.h"
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namespace llvm {
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/// AlphaMachineFunctionInfo - This class is derived from MachineFunction
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/// private Alpha target-specific information for each MachineFunction.
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class AlphaMachineFunctionInfo : public MachineFunctionInfo {
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/// GlobalBaseReg - keeps track of the virtual register initialized for
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/// use as the global base register. This is used for PIC in some PIC
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/// relocation models.
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unsigned GlobalBaseReg;
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/// GlobalRetAddr = keeps track of the virtual register initialized for
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/// the return address value.
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unsigned GlobalRetAddr;
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public:
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AlphaMachineFunctionInfo() : GlobalBaseReg(0), GlobalRetAddr(0) {}
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explicit AlphaMachineFunctionInfo(MachineFunction &MF) : GlobalBaseReg(0),
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GlobalRetAddr(0) {}
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unsigned getGlobalBaseReg() const { return GlobalBaseReg; }
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void setGlobalBaseReg(unsigned Reg) { GlobalBaseReg = Reg; }
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unsigned getGlobalRetAddr() const { return GlobalRetAddr; }
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void setGlobalRetAddr(unsigned Reg) { GlobalRetAddr = Reg; }
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};
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} // End llvm namespace
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#endif
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