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45b647d5eb
This header includes CodeGen headers, and is not, itself, included by any Target headers, so move it into CodeGen to match the layering of its implementation. llvm-svn: 317647
95 lines
3.8 KiB
C++
95 lines
3.8 KiB
C++
//===- ARCInstrInfo.h - ARC 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 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 contains the ARC implementation of the TargetInstrInfo class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_ARC_ARCINSTRINFO_H
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#define LLVM_LIB_TARGET_ARC_ARCINSTRINFO_H
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#include "ARCRegisterInfo.h"
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#include "llvm/CodeGen/TargetInstrInfo.h"
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#define GET_INSTRINFO_HEADER
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#include "ARCGenInstrInfo.inc"
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namespace llvm {
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class ARCSubtarget;
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class ARCInstrInfo : public ARCGenInstrInfo {
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const ARCRegisterInfo RI;
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virtual void anchor();
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public:
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ARCInstrInfo();
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const ARCRegisterInfo &getRegisterInfo() const { return RI; }
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/// 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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unsigned isLoadFromStackSlot(const MachineInstr &MI,
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int &FrameIndex) const override;
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/// 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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unsigned isStoreToStackSlot(const MachineInstr &MI,
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int &FrameIndex) const override;
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unsigned getInstSizeInBytes(const MachineInstr &MI) const override;
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bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
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MachineBasicBlock *&FBB,
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SmallVectorImpl<MachineOperand> &Cond,
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bool AllowModify) const override;
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unsigned insertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
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MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond,
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const DebugLoc &dl,
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int *BytesAdded = nullptr) const override;
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unsigned removeBranch(MachineBasicBlock &MBB,
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int *BytesRemoved = nullptr) const override;
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void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
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const DebugLoc &dl, unsigned DestReg, unsigned SrcReg,
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bool KillSrc) const override;
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void storeRegToStackSlot(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MI, unsigned SrcReg,
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bool isKill, int FrameIndex,
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const TargetRegisterClass *RC,
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const TargetRegisterInfo *TRI) const override;
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void loadRegFromStackSlot(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MI, unsigned DestReg,
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int FrameIndex, const TargetRegisterClass *RC,
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const TargetRegisterInfo *TRI) const override;
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bool
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reverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override;
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// Emit code before MBBI to load immediate value into physical register Reg.
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// Returns an iterator to the new instruction.
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MachineBasicBlock::iterator loadImmediate(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MI,
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unsigned Reg, uint64_t Value) const;
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_ARC_ARCINSTRINFO_H
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