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892c8caa3c
Expand it exactly like GlobalAddress. Fix some more crashes (InsertBranch() not being implemented) for compiling hitec libs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72776 91177308-0d34-0410-b5e6-96231b3b80d8
76 lines
3.3 KiB
C++
76 lines
3.3 KiB
C++
//===- PIC16InstrInfo.h - PIC16 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 is distributed under the niversity 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 contains the PIC16 implementation of the TargetInstrInfo class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef PIC16INSTRUCTIONINFO_H
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#define PIC16INSTRUCTIONINFO_H
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#include "PIC16.h"
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#include "PIC16RegisterInfo.h"
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#include "llvm/Target/TargetInstrInfo.h"
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namespace llvm {
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class PIC16InstrInfo : public TargetInstrInfoImpl
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{
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PIC16TargetMachine &TM;
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const PIC16RegisterInfo RegInfo;
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public:
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explicit PIC16InstrInfo(PIC16TargetMachine &TM);
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virtual const PIC16RegisterInfo &getRegisterInfo() const { return RegInfo; }
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/// isLoadFromStackSlot - If the specified machine instruction is a direct
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/// load from a stack slot, return the virtual or physical register number of
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/// the destination along with the FrameIndex of the loaded stack slot. If
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/// not, return 0. This predicate must return 0 if the instruction has
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/// any side effects other than loading from the stack slot.
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virtual unsigned isLoadFromStackSlot(const MachineInstr *MI,
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int &FrameIndex) const;
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/// isStoreToStackSlot - If the specified machine instruction is a direct
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/// store to a stack slot, return the virtual or physical register number of
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/// the source reg along with the FrameIndex of the loaded stack slot. If
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/// not, return 0. This predicate must return 0 if the instruction has
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/// any side effects other than storing to the stack slot.
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virtual unsigned isStoreToStackSlot(const MachineInstr *MI,
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int &FrameIndex) const;
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virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MBBI,
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unsigned SrcReg, bool isKill, int FrameIndex,
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const TargetRegisterClass *RC) const;
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virtual void loadRegFromStackSlot(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MBBI,
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unsigned DestReg, int FrameIndex,
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const TargetRegisterClass *RC) const;
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virtual bool copyRegToReg(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MBBI,
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unsigned DestReg, unsigned SrcReg,
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const TargetRegisterClass *DestRC,
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const TargetRegisterClass *SrcRC) const;
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virtual bool isMoveInstr(const MachineInstr &MI,
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unsigned &SrcReg, unsigned &DstReg,
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unsigned &SrcSubIdx, unsigned &DstSubIdx) const;
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virtual
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unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
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MachineBasicBlock *FBB,
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const SmallVectorImpl<MachineOperand> &Cond) const;
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};
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} // namespace llvm
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#endif
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