| //===-- X86ISelLowering.h - X86 DAG Lowering Interface ----------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by Chris Lattner and is distributed under |
| // the University of Illinois Open Source License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the interfaces that X86 uses to lower LLVM code into a |
| // selection DAG. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef X86ISELLOWERING_H |
| #define X86ISELLOWERING_H |
| |
| #include "X86Subtarget.h" |
| #include "X86RegisterInfo.h" |
| #include "llvm/Target/TargetLowering.h" |
| #include "llvm/CodeGen/SelectionDAG.h" |
| #include "llvm/CodeGen/CallingConvLower.h" |
| |
| namespace llvm { |
| namespace X86ISD { |
| // X86 Specific DAG Nodes |
| enum NodeType { |
| // Start the numbering where the builtin ops leave off. |
| FIRST_NUMBER = ISD::BUILTIN_OP_END+X86::INSTRUCTION_LIST_END, |
| |
| /// BSF - Bit scan forward. |
| /// BSR - Bit scan reverse. |
| BSF, |
| BSR, |
| |
| /// SHLD, SHRD - Double shift instructions. These correspond to |
| /// X86::SHLDxx and X86::SHRDxx instructions. |
| SHLD, |
| SHRD, |
| |
| /// FAND - Bitwise logical AND of floating point values. This corresponds |
| /// to X86::ANDPS or X86::ANDPD. |
| FAND, |
| |
| /// FOR - Bitwise logical OR of floating point values. This corresponds |
| /// to X86::ORPS or X86::ORPD. |
| FOR, |
| |
| /// FXOR - Bitwise logical XOR of floating point values. This corresponds |
| /// to X86::XORPS or X86::XORPD. |
| FXOR, |
| |
| /// FSRL - Bitwise logical right shift of floating point values. These |
| /// corresponds to X86::PSRLDQ. |
| FSRL, |
| |
| /// FILD, FILD_FLAG - This instruction implements SINT_TO_FP with the |
| /// integer source in memory and FP reg result. This corresponds to the |
| /// X86::FILD*m instructions. It has three inputs (token chain, address, |
| /// and source type) and two outputs (FP value and token chain). FILD_FLAG |
| /// also produces a flag). |
| FILD, |
| FILD_FLAG, |
| |
| /// FP_TO_INT*_IN_MEM - This instruction implements FP_TO_SINT with the |
| /// integer destination in memory and a FP reg source. This corresponds |
| /// to the X86::FIST*m instructions and the rounding mode change stuff. It |
| /// has two inputs (token chain and address) and two outputs (int value |
| /// and token chain). |
| FP_TO_INT16_IN_MEM, |
| FP_TO_INT32_IN_MEM, |
| FP_TO_INT64_IN_MEM, |
| |
| /// FLD - This instruction implements an extending load to FP stack slots. |
| /// This corresponds to the X86::FLD32m / X86::FLD64m. It takes a chain |
| /// operand, ptr to load from, and a ValueType node indicating the type |
| /// to load to. |
| FLD, |
| |
| /// FST - This instruction implements a truncating store to FP stack |
| /// slots. This corresponds to the X86::FST32m / X86::FST64m. It takes a |
| /// chain operand, value to store, address, and a ValueType to store it |
| /// as. |
| FST, |
| |
| /// FP_GET_RESULT - This corresponds to FpGETRESULT pseudo instruction |
| /// which copies from ST(0) to the destination. It takes a chain and |
| /// writes a RFP result and a chain. |
| FP_GET_RESULT, |
| |
| /// FP_SET_RESULT - This corresponds to FpSETRESULT pseudo instruction |
| /// which copies the source operand to ST(0). It takes a chain+value and |
| /// returns a chain and a flag. |
| FP_SET_RESULT, |
| |
| /// CALL/TAILCALL - These operations represent an abstract X86 call |
| /// instruction, which includes a bunch of information. In particular the |
| /// operands of these node are: |
| /// |
| /// #0 - The incoming token chain |
| /// #1 - The callee |
| /// #2 - The number of arg bytes the caller pushes on the stack. |
| /// #3 - The number of arg bytes the callee pops off the stack. |
| /// #4 - The value to pass in AL/AX/EAX (optional) |
| /// #5 - The value to pass in DL/DX/EDX (optional) |
| /// |
| /// The result values of these nodes are: |
| /// |
| /// #0 - The outgoing token chain |
| /// #1 - The first register result value (optional) |
| /// #2 - The second register result value (optional) |
| /// |
| /// The CALL vs TAILCALL distinction boils down to whether the callee is |
| /// known not to modify the caller's stack frame, as is standard with |
| /// LLVM. |
| CALL, |
| TAILCALL, |
| |
| /// RDTSC_DAG - This operation implements the lowering for |
| /// readcyclecounter |
| RDTSC_DAG, |
| |
| /// X86 compare and logical compare instructions. |
| CMP, COMI, UCOMI, |
| |
| /// X86 SetCC. Operand 1 is condition code, and operand 2 is the flag |
| /// operand produced by a CMP instruction. |
| SETCC, |
| |
| /// X86 conditional moves. Operand 1 and operand 2 are the two values |
| /// to select from (operand 1 is a R/W operand). Operand 3 is the |
| /// condition code, and operand 4 is the flag operand produced by a CMP |
| /// or TEST instruction. It also writes a flag result. |
| CMOV, |
| |
| /// X86 conditional branches. Operand 1 is the chain operand, operand 2 |
| /// is the block to branch if condition is true, operand 3 is the |
| /// condition code, and operand 4 is the flag operand produced by a CMP |
| /// or TEST instruction. |
| BRCOND, |
| |
| /// Return with a flag operand. Operand 1 is the chain operand, operand |
| /// 2 is the number of bytes of stack to pop. |
| RET_FLAG, |
| |
| /// REP_STOS - Repeat fill, corresponds to X86::REP_STOSx. |
| REP_STOS, |
| |
| /// REP_MOVS - Repeat move, corresponds to X86::REP_MOVSx. |
| REP_MOVS, |
| |
| /// GlobalBaseReg - On Darwin, this node represents the result of the popl |
| /// at function entry, used for PIC code. |
| GlobalBaseReg, |
| |
| /// Wrapper - A wrapper node for TargetConstantPool, |
| /// TargetExternalSymbol, and TargetGlobalAddress. |
| Wrapper, |
| |
| /// WrapperRIP - Special wrapper used under X86-64 PIC mode for RIP |
| /// relative displacements. |
| WrapperRIP, |
| |
| /// S2VEC - X86 version of SCALAR_TO_VECTOR. The destination base does not |
| /// have to match the operand type. |
| S2VEC, |
| |
| /// PEXTRW - Extract a 16-bit value from a vector and zero extend it to |
| /// i32, corresponds to X86::PEXTRW. |
| PEXTRW, |
| |
| /// PINSRW - Insert the lower 16-bits of a 32-bit value to a vector, |
| /// corresponds to X86::PINSRW. |
| PINSRW, |
| |
| /// FMAX, FMIN - Floating point max and min. |
| /// |
| FMAX, FMIN, |
| |
| /// FRSQRT, FRCP - Floating point reciprocal-sqrt and reciprocal |
| /// approximation. Note that these typically require refinement |
| /// in order to obtain suitable precision. |
| FRSQRT, FRCP, |
| |
| // Thread Local Storage |
| TLSADDR, THREAD_POINTER, |
| |
| // Exception Handling helpers |
| EH_RETURN, |
| |
| // tail call return |
| // oeprand #0 chain |
| // operand #1 callee (register or absolute) |
| // operand #2 stack adjustment |
| // operand #3 optional in flag |
| TC_RETURN, |
| |
| // Store FP control world into i16 memory |
| FNSTCW16m |
| }; |
| } |
| |
| /// Define some predicates that are used for node matching. |
| namespace X86 { |
| /// isPSHUFDMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a shuffle of elements that is suitable for input to PSHUFD. |
| bool isPSHUFDMask(SDNode *N); |
| |
| /// isPSHUFHWMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a shuffle of elements that is suitable for input to PSHUFD. |
| bool isPSHUFHWMask(SDNode *N); |
| |
| /// isPSHUFLWMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a shuffle of elements that is suitable for input to PSHUFD. |
| bool isPSHUFLWMask(SDNode *N); |
| |
| /// isSHUFPMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a shuffle of elements that is suitable for input to SHUFP*. |
| bool isSHUFPMask(SDNode *N); |
| |
| /// isMOVHLPSMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a shuffle of elements that is suitable for input to MOVHLPS. |
| bool isMOVHLPSMask(SDNode *N); |
| |
| /// isMOVHLPS_v_undef_Mask - Special case of isMOVHLPSMask for canonical form |
| /// of vector_shuffle v, v, <2, 3, 2, 3>, i.e. vector_shuffle v, undef, |
| /// <2, 3, 2, 3> |
| bool isMOVHLPS_v_undef_Mask(SDNode *N); |
| |
| /// isMOVLPMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a shuffle of elements that is suitable for input to MOVLP{S|D}. |
| bool isMOVLPMask(SDNode *N); |
| |
| /// isMOVHPMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a shuffle of elements that is suitable for input to MOVHP{S|D} |
| /// as well as MOVLHPS. |
| bool isMOVHPMask(SDNode *N); |
| |
| /// isUNPCKLMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a shuffle of elements that is suitable for input to UNPCKL. |
| bool isUNPCKLMask(SDNode *N, bool V2IsSplat = false); |
| |
| /// isUNPCKHMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a shuffle of elements that is suitable for input to UNPCKH. |
| bool isUNPCKHMask(SDNode *N, bool V2IsSplat = false); |
| |
| /// isUNPCKL_v_undef_Mask - Special case of isUNPCKLMask for canonical form |
| /// of vector_shuffle v, v, <0, 4, 1, 5>, i.e. vector_shuffle v, undef, |
| /// <0, 0, 1, 1> |
| bool isUNPCKL_v_undef_Mask(SDNode *N); |
| |
| /// isUNPCKH_v_undef_Mask - Special case of isUNPCKHMask for canonical form |
| /// of vector_shuffle v, v, <2, 6, 3, 7>, i.e. vector_shuffle v, undef, |
| /// <2, 2, 3, 3> |
| bool isUNPCKH_v_undef_Mask(SDNode *N); |
| |
| /// isMOVLMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a shuffle of elements that is suitable for input to MOVSS, |
| /// MOVSD, and MOVD, i.e. setting the lowest element. |
| bool isMOVLMask(SDNode *N); |
| |
| /// isMOVSHDUPMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a shuffle of elements that is suitable for input to MOVSHDUP. |
| bool isMOVSHDUPMask(SDNode *N); |
| |
| /// isMOVSLDUPMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a shuffle of elements that is suitable for input to MOVSLDUP. |
| bool isMOVSLDUPMask(SDNode *N); |
| |
| /// isSplatMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a splat of a single element. |
| bool isSplatMask(SDNode *N); |
| |
| /// isSplatLoMask - Return true if the specified VECTOR_SHUFFLE operand |
| /// specifies a splat of zero element. |
| bool isSplatLoMask(SDNode *N); |
| |
| /// getShuffleSHUFImmediate - Return the appropriate immediate to shuffle |
| /// the specified isShuffleMask VECTOR_SHUFFLE mask with PSHUF* and SHUFP* |
| /// instructions. |
| unsigned getShuffleSHUFImmediate(SDNode *N); |
| |
| /// getShufflePSHUFHWImmediate - Return the appropriate immediate to shuffle |
| /// the specified isShuffleMask VECTOR_SHUFFLE mask with PSHUFHW |
| /// instructions. |
| unsigned getShufflePSHUFHWImmediate(SDNode *N); |
| |
| /// getShufflePSHUFKWImmediate - Return the appropriate immediate to shuffle |
| /// the specified isShuffleMask VECTOR_SHUFFLE mask with PSHUFLW |
| /// instructions. |
| unsigned getShufflePSHUFLWImmediate(SDNode *N); |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // X86TargetLowering - X86 Implementation of the TargetLowering interface |
| class X86TargetLowering : public TargetLowering { |
| int VarArgsFrameIndex; // FrameIndex for start of varargs area. |
| int RegSaveFrameIndex; // X86-64 vararg func register save area. |
| unsigned VarArgsGPOffset; // X86-64 vararg func int reg offset. |
| unsigned VarArgsFPOffset; // X86-64 vararg func fp reg offset. |
| int BytesToPopOnReturn; // Number of arg bytes ret should pop. |
| int BytesCallerReserves; // Number of arg bytes caller makes. |
| |
| public: |
| explicit X86TargetLowering(TargetMachine &TM); |
| |
| /// getPICJumpTableRelocaBase - Returns relocation base for the given PIC |
| /// jumptable. |
| SDOperand getPICJumpTableRelocBase(SDOperand Table, |
| SelectionDAG &DAG) const; |
| |
| // Return the number of bytes that a function should pop when it returns (in |
| // addition to the space used by the return address). |
| // |
| unsigned getBytesToPopOnReturn() const { return BytesToPopOnReturn; } |
| |
| // Return the number of bytes that the caller reserves for arguments passed |
| // to this function. |
| unsigned getBytesCallerReserves() const { return BytesCallerReserves; } |
| |
| /// getStackPtrReg - Return the stack pointer register we are using: either |
| /// ESP or RSP. |
| unsigned getStackPtrReg() const { return X86StackPtr; } |
| |
| /// LowerOperation - Provide custom lowering hooks for some operations. |
| /// |
| virtual SDOperand LowerOperation(SDOperand Op, SelectionDAG &DAG); |
| |
| /// ExpandOperation - Custom lower the specified operation, splitting the |
| /// value into two pieces. |
| /// |
| virtual SDNode *ExpandOperationResult(SDNode *N, SelectionDAG &DAG); |
| |
| |
| virtual SDOperand PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const; |
| |
| virtual MachineBasicBlock *InsertAtEndOfBasicBlock(MachineInstr *MI, |
| MachineBasicBlock *MBB); |
| |
| /// getTargetNodeName - This method returns the name of a target specific |
| /// DAG node. |
| virtual const char *getTargetNodeName(unsigned Opcode) const; |
| |
| /// computeMaskedBitsForTargetNode - Determine which of the bits specified |
| /// in Mask are known to be either zero or one and return them in the |
| /// KnownZero/KnownOne bitsets. |
| virtual void computeMaskedBitsForTargetNode(const SDOperand Op, |
| uint64_t Mask, |
| uint64_t &KnownZero, |
| uint64_t &KnownOne, |
| const SelectionDAG &DAG, |
| unsigned Depth = 0) const; |
| |
| SDOperand getReturnAddressFrameIndex(SelectionDAG &DAG); |
| |
| ConstraintType getConstraintType(const std::string &Constraint) const; |
| |
| std::vector<unsigned> |
| getRegClassForInlineAsmConstraint(const std::string &Constraint, |
| MVT::ValueType VT) const; |
| |
| /// LowerAsmOperandForConstraint - Lower the specified operand into the Ops |
| /// vector. If it is invalid, don't add anything to Ops. |
| virtual void LowerAsmOperandForConstraint(SDOperand Op, |
| char ConstraintLetter, |
| std::vector<SDOperand> &Ops, |
| SelectionDAG &DAG); |
| |
| /// getRegForInlineAsmConstraint - Given a physical register constraint |
| /// (e.g. {edx}), return the register number and the register class for the |
| /// register. This should only be used for C_Register constraints. On |
| /// error, this returns a register number of 0. |
| std::pair<unsigned, const TargetRegisterClass*> |
| getRegForInlineAsmConstraint(const std::string &Constraint, |
| MVT::ValueType VT) const; |
| |
| /// isLegalAddressingMode - Return true if the addressing mode represented |
| /// by AM is legal for this target, for a load/store of the specified type. |
| virtual bool isLegalAddressingMode(const AddrMode &AM, const Type *Ty)const; |
| |
| /// isTruncateFree - Return true if it's free to truncate a value of |
| /// type Ty1 to type Ty2. e.g. On x86 it's free to truncate a i32 value in |
| /// register EAX to i16 by referencing its sub-register AX. |
| virtual bool isTruncateFree(const Type *Ty1, const Type *Ty2) const; |
| virtual bool isTruncateFree(MVT::ValueType VT1, MVT::ValueType VT2) const; |
| |
| /// isShuffleMaskLegal - Targets can use this to indicate that they only |
| /// support *some* VECTOR_SHUFFLE operations, those with specific masks. |
| /// By default, if a target supports the VECTOR_SHUFFLE node, all mask |
| /// values are assumed to be legal. |
| virtual bool isShuffleMaskLegal(SDOperand Mask, MVT::ValueType VT) const; |
| |
| /// isVectorClearMaskLegal - Similar to isShuffleMaskLegal. This is |
| /// used by Targets can use this to indicate if there is a suitable |
| /// VECTOR_SHUFFLE that can be used to replace a VAND with a constant |
| /// pool entry. |
| virtual bool isVectorClearMaskLegal(std::vector<SDOperand> &BVOps, |
| MVT::ValueType EVT, |
| SelectionDAG &DAG) const; |
| |
| /// IsEligibleForTailCallOptimization - Check whether the call is eligible |
| /// for tail call optimization. Target which want to do tail call |
| /// optimization should implement this function. |
| virtual bool IsEligibleForTailCallOptimization(SDOperand Call, |
| SDOperand Ret, |
| SelectionDAG &DAG) const; |
| |
| virtual const TargetSubtarget* getSubtarget() { |
| return static_cast<const TargetSubtarget*>(Subtarget); |
| } |
| |
| private: |
| /// Subtarget - Keep a pointer to the X86Subtarget around so that we can |
| /// make the right decision when generating code for different targets. |
| const X86Subtarget *Subtarget; |
| const MRegisterInfo *RegInfo; |
| |
| /// X86StackPtr - X86 physical register used as stack ptr. |
| unsigned X86StackPtr; |
| |
| /// X86ScalarSSEf32, X86ScalarSSEf64 - Select between SSE or x87 |
| /// floating point ops. |
| /// When SSE is available, use it for f32 operations. |
| /// When SSE2 is available, use it for f64 operations. |
| bool X86ScalarSSEf32; |
| bool X86ScalarSSEf64; |
| |
| SDNode *LowerCallResult(SDOperand Chain, SDOperand InFlag, SDNode*TheCall, |
| unsigned CallingConv, SelectionDAG &DAG); |
| |
| |
| SDOperand LowerMemArgument(SDOperand Op, SelectionDAG &DAG, |
| const CCValAssign &VA, MachineFrameInfo *MFI, |
| SDOperand Root, unsigned i); |
| |
| SDOperand LowerMemOpCallTo(SDOperand Op, SelectionDAG &DAG, |
| const SDOperand &StackPtr, |
| const CCValAssign &VA, SDOperand Chain, |
| SDOperand Arg); |
| |
| // C and StdCall Calling Convention implementation. |
| SDOperand LowerCCCArguments(SDOperand Op, SelectionDAG &DAG, |
| bool isStdCall = false); |
| SDOperand LowerCCCCallTo(SDOperand Op, SelectionDAG &DAG, unsigned CC); |
| |
| // X86-64 C Calling Convention implementation. |
| SDOperand LowerX86_64CCCArguments(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerX86_64CCCCallTo(SDOperand Op, SelectionDAG &DAG,unsigned CC); |
| |
| // fast calling convention (tail call) implementation for 32/64bit |
| SDOperand LowerX86_TailCallTo(SDOperand Op, |
| SelectionDAG & DAG, unsigned CC); |
| unsigned GetAlignedArgumentStackSize(unsigned StackSize, SelectionDAG &DAG); |
| // Fast and FastCall Calling Convention implementation. |
| SDOperand LowerFastCCArguments(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerFastCCCallTo(SDOperand Op, SelectionDAG &DAG, unsigned CC); |
| |
| std::pair<SDOperand,SDOperand> FP_TO_SINTHelper(SDOperand Op, |
| SelectionDAG &DAG); |
| |
| SDOperand LowerBUILD_VECTOR(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerVECTOR_SHUFFLE(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerEXTRACT_VECTOR_ELT(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerINSERT_VECTOR_ELT(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerSCALAR_TO_VECTOR(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerConstantPool(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerGlobalAddress(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerGlobalTLSAddress(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerExternalSymbol(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerShift(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerSINT_TO_FP(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerFP_TO_SINT(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerFABS(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerFNEG(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerFCOPYSIGN(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerSETCC(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerSELECT(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerBRCOND(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerMEMSET(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerMEMCPYInline(SDOperand Dest, SDOperand Source, |
| SDOperand Chain, unsigned Size, unsigned Align, |
| SelectionDAG &DAG); |
| SDOperand LowerJumpTable(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerRET(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerDYNAMIC_STACKALLOC(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerVASTART(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerVACOPY(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerINTRINSIC_WO_CHAIN(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerRETURNADDR(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerFRAMEADDR(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerFRAME_TO_ARGS_OFFSET(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerEH_RETURN(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerTRAMPOLINE(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerFLT_ROUNDS(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerCTLZ(SDOperand Op, SelectionDAG &DAG); |
| SDOperand LowerCTTZ(SDOperand Op, SelectionDAG &DAG); |
| SDNode *ExpandFP_TO_SINT(SDNode *N, SelectionDAG &DAG); |
| SDNode *ExpandREADCYCLECOUNTER(SDNode *N, SelectionDAG &DAG); |
| }; |
| } |
| |
| #endif // X86ISELLOWERING_H |