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54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
//===- SPUInstrInfo.h - Cell SPU Instruction Information --------*- 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 a team from the Computer Systems Research
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// Department at The Aerospace Corporation and is distributed under the
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// 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 contains the CellSPU implementation of the TargetInstrInfo class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SPU_INSTRUCTIONINFO_H
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#define SPU_INSTRUCTIONINFO_H
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#include "SPU.h"
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#include "llvm/Target/TargetInstrInfo.h"
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#include "SPURegisterInfo.h"
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namespace llvm {
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//! Cell SPU instruction information class
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class SPUInstrInfo : public TargetInstrInfo
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{
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SPUTargetMachine &TM;
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const SPURegisterInfo RI;
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public:
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SPUInstrInfo(SPUTargetMachine &tm);
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/// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
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/// such, whenever a client has an instance of instruction info, it should
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/// always be able to get register info as well (through this method).
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///
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virtual const MRegisterInfo &getRegisterInfo() const { return RI; }
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/// getPointerRegClass - Return the register class to use to hold pointers.
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/// This is used for addressing modes.
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virtual const TargetRegisterClass *getPointerRegClass() const;
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// Return true if the instruction is a register to register move and
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// leave the source and dest operands in the passed parameters.
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//
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virtual bool isMoveInstr(const MachineInstr& MI,
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unsigned& sourceReg,
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unsigned& destReg) const;
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unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const;
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unsigned isStoreToStackSlot(MachineInstr *MI, int &FrameIndex) const;
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};
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}
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#endif
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