//===- HexagonInstrInfo.h - Hexagon Instruction Information -----*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file contains the Hexagon implementation of the TargetInstrInfo class. // //===----------------------------------------------------------------------===// #ifndef HexagonINSTRUCTIONINFO_H #define HexagonINSTRUCTIONINFO_H #include "HexagonRegisterInfo.h" #include "MCTargetDesc/HexagonBaseInfo.h" #include "llvm/CodeGen/MachineBranchProbabilityInfo.h" #include "llvm/Target/TargetFrameLowering.h" #include "llvm/Target/TargetInstrInfo.h" #define GET_INSTRINFO_HEADER #include "HexagonGenInstrInfo.inc" namespace llvm { struct EVT; class HexagonInstrInfo : public HexagonGenInstrInfo { virtual void anchor(); const HexagonRegisterInfo RI; const HexagonSubtarget &Subtarget; typedef unsigned Opcode_t; public: explicit HexagonInstrInfo(HexagonSubtarget &ST); /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As /// such, whenever a client has an instance of instruction info, it should /// always be able to get register info as well (through this method). /// const HexagonRegisterInfo &getRegisterInfo() const { return RI; } /// isLoadFromStackSlot - If the specified machine instruction is a direct /// load from a stack slot, return the virtual or physical register number of /// the destination along with the FrameIndex of the loaded stack slot. If /// not, return 0. This predicate must return 0 if the instruction has /// any side effects other than loading from the stack slot. unsigned isLoadFromStackSlot(const MachineInstr *MI, int &FrameIndex) const override; /// isStoreToStackSlot - If the specified machine instruction is a direct /// store to a stack slot, return the virtual or physical register number of /// the source reg along with the FrameIndex of the loaded stack slot. If /// not, return 0. This predicate must return 0 if the instruction has /// any side effects other than storing to the stack slot. unsigned isStoreToStackSlot(const MachineInstr *MI, int &FrameIndex) const override; bool AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB, MachineBasicBlock *&FBB, SmallVectorImpl<MachineOperand> &Cond, bool AllowModify) const override; unsigned RemoveBranch(MachineBasicBlock &MBB) const override; unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, MachineBasicBlock *FBB, const SmallVectorImpl<MachineOperand> &Cond, DebugLoc DL) const override; bool analyzeCompare(const MachineInstr *MI, unsigned &SrcReg, unsigned &SrcReg2, int &Mask, int &Value) const override; void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, DebugLoc DL, unsigned DestReg, unsigned SrcReg, bool KillSrc) const override; void storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, unsigned SrcReg, bool isKill, int FrameIndex, const TargetRegisterClass *RC, const TargetRegisterInfo *TRI) const override; void storeRegToAddr(MachineFunction &MF, unsigned SrcReg, bool isKill, SmallVectorImpl<MachineOperand> &Addr, const TargetRegisterClass *RC, SmallVectorImpl<MachineInstr*> &NewMIs) const; void loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, unsigned DestReg, int FrameIndex, const TargetRegisterClass *RC, const TargetRegisterInfo *TRI) const override; void loadRegFromAddr(MachineFunction &MF, unsigned DestReg, SmallVectorImpl<MachineOperand> &Addr, const TargetRegisterClass *RC, SmallVectorImpl<MachineInstr*> &NewMIs) const; MachineInstr* foldMemoryOperandImpl(MachineFunction &MF, MachineInstr* MI, const SmallVectorImpl<unsigned> &Ops, int FrameIndex) const override; MachineInstr* foldMemoryOperandImpl(MachineFunction &MF, MachineInstr* MI, const SmallVectorImpl<unsigned> &Ops, MachineInstr* LoadMI) const override { return nullptr; } unsigned createVR(MachineFunction* MF, MVT VT) const; bool isBranch(const MachineInstr *MI) const; bool isPredicable(MachineInstr *MI) const override; bool PredicateInstruction(MachineInstr *MI, const SmallVectorImpl<MachineOperand> &Cond) const override; bool isProfitableToIfCvt(MachineBasicBlock &MBB, unsigned NumCycles, unsigned ExtraPredCycles, const BranchProbability &Probability) const override; bool isProfitableToIfCvt(MachineBasicBlock &TMBB, unsigned NumTCycles, unsigned ExtraTCycles, MachineBasicBlock &FMBB, unsigned NumFCycles, unsigned ExtraFCycles, const BranchProbability &Probability) const override; bool isPredicated(const MachineInstr *MI) const override; bool isPredicated(unsigned Opcode) const; bool isPredicatedTrue(const MachineInstr *MI) const; bool isPredicatedTrue(unsigned Opcode) const; bool isPredicatedNew(const MachineInstr *MI) const; bool isPredicatedNew(unsigned Opcode) const; bool DefinesPredicate(MachineInstr *MI, std::vector<MachineOperand> &Pred) const override; bool SubsumesPredicate(const SmallVectorImpl<MachineOperand> &Pred1, const SmallVectorImpl<MachineOperand> &Pred2) const override; bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override; bool isProfitableToDupForIfCvt(MachineBasicBlock &MBB, unsigned NumCycles, const BranchProbability &Probability) const override; DFAPacketizer* CreateTargetScheduleState(const TargetMachine *TM, const ScheduleDAG *DAG) const override; bool isSchedulingBoundary(const MachineInstr *MI, const MachineBasicBlock *MBB, const MachineFunction &MF) const override; bool isValidOffset(const int Opcode, const int Offset) const; bool isValidAutoIncImm(const EVT VT, const int Offset) const; bool isMemOp(const MachineInstr *MI) const; bool isSpillPredRegOp(const MachineInstr *MI) const; bool isU6_3Immediate(const int value) const; bool isU6_2Immediate(const int value) const; bool isU6_1Immediate(const int value) const; bool isU6_0Immediate(const int value) const; bool isS4_3Immediate(const int value) const; bool isS4_2Immediate(const int value) const; bool isS4_1Immediate(const int value) const; bool isS4_0Immediate(const int value) const; bool isS12_Immediate(const int value) const; bool isU6_Immediate(const int value) const; bool isS8_Immediate(const int value) const; bool isS6_Immediate(const int value) const; bool isSaveCalleeSavedRegsCall(const MachineInstr* MI) const; bool isConditionalTransfer(const MachineInstr* MI) const; bool isConditionalALU32 (const MachineInstr* MI) const; bool isConditionalLoad (const MachineInstr* MI) const; bool isConditionalStore(const MachineInstr* MI) const; bool isNewValueInst(const MachineInstr* MI) const; bool isNewValue(const MachineInstr* MI) const; bool isDotNewInst(const MachineInstr* MI) const; int GetDotOldOp(const int opc) const; int GetDotNewOp(const MachineInstr* MI) const; int GetDotNewPredOp(MachineInstr *MI, const MachineBranchProbabilityInfo *MBPI) const; bool mayBeNewStore(const MachineInstr* MI) const; bool isDeallocRet(const MachineInstr *MI) const; unsigned getInvertedPredicatedOpcode(const int Opc) const; bool isExtendable(const MachineInstr* MI) const; bool isExtended(const MachineInstr* MI) const; bool isPostIncrement(const MachineInstr* MI) const; bool isNewValueStore(const MachineInstr* MI) const; bool isNewValueStore(unsigned Opcode) const; bool isNewValueJump(const MachineInstr* MI) const; bool isNewValueJumpCandidate(const MachineInstr *MI) const; void immediateExtend(MachineInstr *MI) const; bool isConstExtended(MachineInstr *MI) const; int getDotNewPredJumpOp(MachineInstr *MI, const MachineBranchProbabilityInfo *MBPI) const; unsigned getAddrMode(const MachineInstr* MI) const; bool isOperandExtended(const MachineInstr *MI, unsigned short OperandNum) const; unsigned short getCExtOpNum(const MachineInstr *MI) const; int getMinValue(const MachineInstr *MI) const; int getMaxValue(const MachineInstr *MI) const; bool NonExtEquivalentExists (const MachineInstr *MI) const; short getNonExtOpcode(const MachineInstr *MI) const; bool PredOpcodeHasJMP_c(Opcode_t Opcode) const; bool PredOpcodeHasNot(Opcode_t Opcode) const; private: int getMatchingCondBranchOpcode(int Opc, bool sense) const; }; } #endif