X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FInstrTypes.h;h=0a3fbed804f0604b0d5160db13116ad15188a9fe;hb=56867520990a4fea1353d55f71bb74a0126554e6;hp=7441a104b56f8b5c2847c569875cfa874302a514;hpb=a9d0c9dc58855a5f01dcc5c85c89fd3fc737d3e8;p=oota-llvm.git diff --git a/include/llvm/InstrTypes.h b/include/llvm/InstrTypes.h index 7441a104b56..0a3fbed804f 100644 --- a/include/llvm/InstrTypes.h +++ b/include/llvm/InstrTypes.h @@ -17,6 +17,7 @@ #define LLVM_INSTRUCTION_TYPES_H #include "llvm/Instruction.h" +#include "llvm/OperandTraits.h" namespace llvm { @@ -78,36 +79,35 @@ public: } }; + //===----------------------------------------------------------------------===// // UnaryInstruction Class //===----------------------------------------------------------------------===// class UnaryInstruction : public Instruction { - Use Op; - - // avoiding warning: 'this' : used in base member initializer list - UnaryInstruction* this_() { return this; } + void *operator new(size_t, unsigned); // Do not implement + UnaryInstruction(const UnaryInstruction&); // Do not implement + protected: - UnaryInstruction(const Type *Ty, unsigned iType, Value *V, Instruction *IB =0) - : Instruction(Ty, iType, &Op, 1, IB), Op(V, this_()) { + UnaryInstruction(const Type *Ty, unsigned iType, Value *V, Instruction *IB = 0) + : Instruction(Ty, iType, &Op<0>(), 1, IB) { + Op<0>() = V; } UnaryInstruction(const Type *Ty, unsigned iType, Value *V, BasicBlock *IAE) - : Instruction(Ty, iType, &Op, 1, IAE), Op(V, this_()) { + : Instruction(Ty, iType, &Op<0>(), 1, IAE) { + Op<0>() = V; } public: + // allocate space for exactly one operand + void *operator new(size_t s) { + return User::operator new(s, 1); + } + // Out of line virtual method, so the vtable, etc has a home. ~UnaryInstruction(); - // Transparently provide more efficient getOperand methods. - Value *getOperand(unsigned i) const { - assert(i == 0 && "getOperand() out of range!"); - return Op; - } - void setOperand(unsigned i, Value *Val) { - assert(i == 0 && "setOperand() out of range!"); - Op = Val; - } - unsigned getNumOperands() const { return 1; } + /// Transparently provide more efficient getOperand methods. + DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const UnaryInstruction *) { return true; } @@ -117,6 +117,8 @@ public: I->getOpcode() == Instruction::Free || I->getOpcode() == Instruction::Load || I->getOpcode() == Instruction::VAArg || + I->getOpcode() == Instruction::GetResult || + I->getOpcode() == Instruction::ExtractValue || (I->getOpcode() >= CastOpsBegin && I->getOpcode() < CastOpsEnd); } static inline bool classof(const Value *V) { @@ -124,12 +126,18 @@ public: } }; +template <> +struct OperandTraits : FixedNumOperandTraits<1> { +}; + +DEFINE_TRANSPARENT_OPERAND_ACCESSORS(UnaryInstruction, Value) + //===----------------------------------------------------------------------===// // BinaryOperator Class //===----------------------------------------------------------------------===// class BinaryOperator : public Instruction { - Use Ops[2]; + void *operator new(size_t, unsigned); // Do not implement protected: void init(BinaryOps iType); BinaryOperator(BinaryOps iType, Value *S1, Value *S2, const Type *Ty, @@ -137,54 +145,50 @@ protected: BinaryOperator(BinaryOps iType, Value *S1, Value *S2, const Type *Ty, const std::string &Name, BasicBlock *InsertAtEnd); public: + // allocate space for exactly two operands + void *operator new(size_t s) { + return User::operator new(s, 2); + } /// Transparently provide more efficient getOperand methods. - Value *getOperand(unsigned i) const { - assert(i < 2 && "getOperand() out of range!"); - return Ops[i]; - } - void setOperand(unsigned i, Value *Val) { - assert(i < 2 && "setOperand() out of range!"); - Ops[i] = Val; - } - unsigned getNumOperands() const { return 2; } + DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); - /// create() - Construct a binary instruction, given the opcode and the two + /// Create() - Construct a binary instruction, given the opcode and the two /// operands. Optionally (if InstBefore is specified) insert the instruction /// into a BasicBlock right before the specified instruction. The specified /// Instruction is allowed to be a dereferenced end iterator. /// - static BinaryOperator *create(BinaryOps Op, Value *S1, Value *S2, + static BinaryOperator *Create(BinaryOps Op, Value *S1, Value *S2, const std::string &Name = "", Instruction *InsertBefore = 0); - /// create() - Construct a binary instruction, given the opcode and the two + /// Create() - Construct a binary instruction, given the opcode and the two /// operands. Also automatically insert this instruction to the end of the /// BasicBlock specified. /// - static BinaryOperator *create(BinaryOps Op, Value *S1, Value *S2, + static BinaryOperator *Create(BinaryOps Op, Value *S1, Value *S2, const std::string &Name, BasicBlock *InsertAtEnd); - /// create* - These methods just forward to create, and are useful when you + /// Create* - These methods just forward to Create, and are useful when you /// statically know what type of instruction you're going to create. These /// helpers just save some typing. #define HANDLE_BINARY_INST(N, OPC, CLASS) \ - static BinaryOperator *create##OPC(Value *V1, Value *V2, \ + static BinaryOperator *Create##OPC(Value *V1, Value *V2, \ const std::string &Name = "") {\ - return create(Instruction::OPC, V1, V2, Name);\ + return Create(Instruction::OPC, V1, V2, Name);\ } #include "llvm/Instruction.def" #define HANDLE_BINARY_INST(N, OPC, CLASS) \ - static BinaryOperator *create##OPC(Value *V1, Value *V2, \ + static BinaryOperator *Create##OPC(Value *V1, Value *V2, \ const std::string &Name, BasicBlock *BB) {\ - return create(Instruction::OPC, V1, V2, Name, BB);\ + return Create(Instruction::OPC, V1, V2, Name, BB);\ } #include "llvm/Instruction.def" #define HANDLE_BINARY_INST(N, OPC, CLASS) \ - static BinaryOperator *create##OPC(Value *V1, Value *V2, \ + static BinaryOperator *Create##OPC(Value *V1, Value *V2, \ const std::string &Name, Instruction *I) {\ - return create(Instruction::OPC, V1, V2, Name, I);\ + return Create(Instruction::OPC, V1, V2, Name, I);\ } #include "llvm/Instruction.def" @@ -192,16 +196,16 @@ public: /// Helper functions to construct and inspect unary operations (NEG and NOT) /// via binary operators SUB and XOR: /// - /// createNeg, createNot - Create the NEG and NOT + /// CreateNeg, CreateNot - Create the NEG and NOT /// instructions out of SUB and XOR instructions. /// - static BinaryOperator *createNeg(Value *Op, const std::string &Name = "", + static BinaryOperator *CreateNeg(Value *Op, const std::string &Name = "", Instruction *InsertBefore = 0); - static BinaryOperator *createNeg(Value *Op, const std::string &Name, + static BinaryOperator *CreateNeg(Value *Op, const std::string &Name, BasicBlock *InsertAtEnd); - static BinaryOperator *createNot(Value *Op, const std::string &Name = "", + static BinaryOperator *CreateNot(Value *Op, const std::string &Name = "", Instruction *InsertBefore = 0); - static BinaryOperator *createNot(Value *Op, const std::string &Name, + static BinaryOperator *CreateNot(Value *Op, const std::string &Name, BasicBlock *InsertAtEnd); /// isNeg, isNot - Check if the given Value is a NEG or NOT instruction. @@ -225,10 +229,8 @@ public: /// swapOperands - Exchange the two operands to this instruction. /// This instruction is safe to use on any binary instruction and - /// does not modify the semantics of the instruction. If the - /// instruction is order dependent (SetLT f.e.) the opcode is - /// changed. If the instruction cannot be reversed (ie, it's a Div), - /// then return true. + /// does not modify the semantics of the instruction. If the instruction + /// cannot be reversed (ie, it's a Div), then return true. /// bool swapOperands(); @@ -240,8 +242,61 @@ public: static inline bool classof(const Value *V) { return isa(V) && classof(cast(V)); } + + /// Backward-compatible interfaces + /// @deprecated in 2.4, do not use, will disappear soon + static BinaryOperator *create(BinaryOps Op, Value *S1, Value *S2, + const std::string &Name = "", + Instruction *InsertBefore = 0) { + return Create(Op, S1, S2, Name, InsertBefore); + } + static BinaryOperator *create(BinaryOps Op, Value *S1, Value *S2, + const std::string &Name, + BasicBlock *InsertAtEnd) { + return Create(Op, S1, S2, Name, InsertAtEnd); + } +#define HANDLE_BINARY_INST(N, OPC, CLASS) \ + static BinaryOperator *create##OPC(Value *V1, Value *V2, \ + const std::string &Name = "") {\ + return Create(Instruction::OPC, V1, V2, Name);\ + } +#include "llvm/Instruction.def" +#define HANDLE_BINARY_INST(N, OPC, CLASS) \ + static BinaryOperator *create##OPC(Value *V1, Value *V2, \ + const std::string &Name, BasicBlock *BB) {\ + return Create(Instruction::OPC, V1, V2, Name, BB);\ + } +#include "llvm/Instruction.def" +#define HANDLE_BINARY_INST(N, OPC, CLASS) \ + static BinaryOperator *create##OPC(Value *V1, Value *V2, \ + const std::string &Name, Instruction *I) {\ + return Create(Instruction::OPC, V1, V2, Name, I);\ + } +#include "llvm/Instruction.def" + static BinaryOperator *createNeg(Value *Op, const std::string &Name = "", + Instruction *InsertBefore = 0) { + return CreateNeg(Op, Name, InsertBefore); + } + static BinaryOperator *createNeg(Value *Op, const std::string &Name, + BasicBlock *InsertAtEnd) { + return CreateNeg(Op, Name, InsertAtEnd); + } + static BinaryOperator *createNot(Value *Op, const std::string &Name = "", + Instruction *InsertBefore = 0) { + return CreateNot(Op, Name, InsertBefore); + } + static BinaryOperator *createNot(Value *Op, const std::string &Name, + BasicBlock *InsertAtEnd) { + return CreateNot(Op, Name, InsertAtEnd); + } +}; + +template <> +struct OperandTraits : FixedNumOperandTraits<2> { }; +DEFINE_TRANSPARENT_OPERAND_ACCESSORS(BinaryOperator, Value) + //===----------------------------------------------------------------------===// // CastInst Class //===----------------------------------------------------------------------===// @@ -279,7 +334,7 @@ public: /// constructor has insert-before-instruction semantics to automatically /// insert the new CastInst before InsertBefore (if it is non-null). /// @brief Construct any of the CastInst subclasses - static CastInst *create( + static CastInst *Create( Instruction::CastOps, ///< The opcode of the cast instruction Value *S, ///< The value to be casted (operand 0) const Type *Ty, ///< The type to which cast should be made @@ -292,7 +347,7 @@ public: /// to automatically insert the new CastInst at the end of InsertAtEnd (if /// its non-null). /// @brief Construct any of the CastInst subclasses - static CastInst *create( + static CastInst *Create( Instruction::CastOps, ///< The opcode for the cast instruction Value *S, ///< The value to be casted (operand 0) const Type *Ty, ///< The type to which operand is casted @@ -301,7 +356,7 @@ public: ); /// @brief Create a ZExt or BitCast cast instruction - static CastInst *createZExtOrBitCast( + static CastInst *CreateZExtOrBitCast( Value *S, ///< The value to be casted (operand 0) const Type *Ty, ///< The type to which cast should be made const std::string &Name = "", ///< Name for the instruction @@ -309,7 +364,7 @@ public: ); /// @brief Create a ZExt or BitCast cast instruction - static CastInst *createZExtOrBitCast( + static CastInst *CreateZExtOrBitCast( Value *S, ///< The value to be casted (operand 0) const Type *Ty, ///< The type to which operand is casted const std::string &Name, ///< The name for the instruction @@ -317,15 +372,23 @@ public: ); /// @brief Create a SExt or BitCast cast instruction - static CastInst *createSExtOrBitCast( + static CastInst *CreateSExtOrBitCast( Value *S, ///< The value to be casted (operand 0) const Type *Ty, ///< The type to which cast should be made const std::string &Name = "", ///< Name for the instruction Instruction *InsertBefore = 0 ///< Place to insert the instruction ); + /// @brief Create a SExt or BitCast cast instruction + static CastInst *CreateSExtOrBitCast( + Value *S, ///< The value to be casted (operand 0) + const Type *Ty, ///< The type to which operand is casted + const std::string &Name, ///< The name for the instruction + BasicBlock *InsertAtEnd ///< The block to insert the instruction into + ); + /// @brief Create a BitCast or a PtrToInt cast instruction - static CastInst *createPointerCast( + static CastInst *CreatePointerCast( Value *S, ///< The pointer value to be casted (operand 0) const Type *Ty, ///< The type to which operand is casted const std::string &Name, ///< The name for the instruction @@ -333,7 +396,7 @@ public: ); /// @brief Create a BitCast or a PtrToInt cast instruction - static CastInst *createPointerCast( + static CastInst *CreatePointerCast( Value *S, ///< The pointer value to be casted (operand 0) const Type *Ty, ///< The type to which cast should be made const std::string &Name = "", ///< Name for the instruction @@ -341,7 +404,7 @@ public: ); /// @brief Create a ZExt, BitCast, or Trunc for int -> int casts. - static CastInst *createIntegerCast( + static CastInst *CreateIntegerCast( Value *S, ///< The pointer value to be casted (operand 0) const Type *Ty, ///< The type to which cast should be made bool isSigned, ///< Whether to regard S as signed or not @@ -350,7 +413,7 @@ public: ); /// @brief Create a ZExt, BitCast, or Trunc for int -> int casts. - static CastInst *createIntegerCast( + static CastInst *CreateIntegerCast( Value *S, ///< The integer value to be casted (operand 0) const Type *Ty, ///< The integer type to which operand is casted bool isSigned, ///< Whether to regard S as signed or not @@ -359,7 +422,7 @@ public: ); /// @brief Create an FPExt, BitCast, or FPTrunc for fp -> fp casts - static CastInst *createFPCast( + static CastInst *CreateFPCast( Value *S, ///< The floating point value to be casted const Type *Ty, ///< The floating point type to cast to const std::string &Name = "", ///< Name for the instruction @@ -367,23 +430,15 @@ public: ); /// @brief Create an FPExt, BitCast, or FPTrunc for fp -> fp casts - static CastInst *createFPCast( + static CastInst *CreateFPCast( Value *S, ///< The floating point value to be casted const Type *Ty, ///< The floating point type to cast to const std::string &Name, ///< The name for the instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Create a SExt or BitCast cast instruction - static CastInst *createSExtOrBitCast( - Value *S, ///< The value to be casted (operand 0) - const Type *Ty, ///< The type to which operand is casted - const std::string &Name, ///< The name for the instruction - BasicBlock *InsertAtEnd ///< The block to insert the instruction into - ); - /// @brief Create a Trunc or BitCast cast instruction - static CastInst *createTruncOrBitCast( + static CastInst *CreateTruncOrBitCast( Value *S, ///< The value to be casted (operand 0) const Type *Ty, ///< The type to which cast should be made const std::string &Name = "", ///< Name for the instruction @@ -391,7 +446,7 @@ public: ); /// @brief Create a Trunc or BitCast cast instruction - static CastInst *createTruncOrBitCast( + static CastInst *CreateTruncOrBitCast( Value *S, ///< The value to be casted (operand 0) const Type *Ty, ///< The type to which operand is casted const std::string &Name, ///< The name for the instruction @@ -480,6 +535,40 @@ public: static inline bool classof(const Value *V) { return isa(V) && classof(cast(V)); } + /// Backward-compatible interfaces + /// @deprecated in 2.4, do not use, will disappear soon + static CastInst *create(Instruction::CastOps Op,Value *S,const Type *Ty, + const std::string &Name = "",Instruction *InsertBefore = 0) { + return Create(Op,S,Ty,Name,InsertBefore); + } + static CastInst *create(Instruction::CastOps Op,Value *S,const Type *Ty, + const std::string &Name,BasicBlock *InsertAtEnd) { + return Create(Op,S,Ty,Name,InsertAtEnd); + } + +#define DEFINE_CASTINST_DEPRECATED(OP) \ + static CastInst *create ## OP ## Cast(Value *S, const Type *Ty, \ + const std::string &Name = "", Instruction *InsertBefore = 0) { \ + return Create ## OP ## Cast(S, Ty, Name, InsertBefore); \ + } \ + static CastInst *create ## OP ## Cast(Value *S, const Type *Ty, \ + const std::string &Name, BasicBlock *InsertAtEnd) { \ + return Create ## OP ## Cast(S, Ty, Name, InsertAtEnd); \ + } + DEFINE_CASTINST_DEPRECATED(ZExtOrBit) + DEFINE_CASTINST_DEPRECATED(SExtOrBit) + DEFINE_CASTINST_DEPRECATED(Pointer) + DEFINE_CASTINST_DEPRECATED(FP) + DEFINE_CASTINST_DEPRECATED(TruncOrBit) +#undef DEFINE_CASTINST_DEPRECATED + static CastInst *createIntegerCast(Value *S, const Type *Ty, bool isSigned, + const std::string &Name = "", Instruction *InsertBefore = 0) { + return CreateIntegerCast(S, Ty, isSigned, Name, InsertBefore); + } + static CastInst *createIntegerCast(Value *S, const Type *Ty, bool isSigned, + const std::string &Name, BasicBlock *InsertAtEnd) { + return CreateIntegerCast(S, Ty, isSigned, Name, InsertAtEnd); + } }; //===----------------------------------------------------------------------===// @@ -488,24 +577,70 @@ public: /// This class is the base class for the comparison instructions. /// @brief Abstract base class of comparison instructions. +// FIXME: why not derive from BinaryOperator? class CmpInst: public Instruction { + void *operator new(size_t, unsigned); // DO NOT IMPLEMENT CmpInst(); // do not implement protected: - CmpInst(Instruction::OtherOps op, unsigned short pred, Value *LHS, Value *RHS, - const std::string &Name = "", Instruction *InsertBefore = 0); + CmpInst(const Type *ty, Instruction::OtherOps op, unsigned short pred, + Value *LHS, Value *RHS, const std::string &Name = "", + Instruction *InsertBefore = 0); - CmpInst(Instruction::OtherOps op, unsigned short pred, Value *LHS, Value *RHS, - const std::string &Name, BasicBlock *InsertAtEnd); - - Use Ops[2]; // CmpInst instructions always have 2 operands, optimize + CmpInst(const Type *ty, Instruction::OtherOps op, unsigned short pred, + Value *LHS, Value *RHS, const std::string &Name, + BasicBlock *InsertAtEnd); public: + /// This enumeration lists the possible predicates for CmpInst subclasses. + /// Values in the range 0-31 are reserved for FCmpInst, while values in the + /// range 32-64 are reserved for ICmpInst. This is necessary to ensure the + /// predicate values are not overlapping between the classes. + enum Predicate { + // Opcode U L G E Intuitive operation + FCMP_FALSE = 0, /// 0 0 0 0 Always false (always folded) + FCMP_OEQ = 1, /// 0 0 0 1 True if ordered and equal + FCMP_OGT = 2, /// 0 0 1 0 True if ordered and greater than + FCMP_OGE = 3, /// 0 0 1 1 True if ordered and greater than or equal + FCMP_OLT = 4, /// 0 1 0 0 True if ordered and less than + FCMP_OLE = 5, /// 0 1 0 1 True if ordered and less than or equal + FCMP_ONE = 6, /// 0 1 1 0 True if ordered and operands are unequal + FCMP_ORD = 7, /// 0 1 1 1 True if ordered (no nans) + FCMP_UNO = 8, /// 1 0 0 0 True if unordered: isnan(X) | isnan(Y) + FCMP_UEQ = 9, /// 1 0 0 1 True if unordered or equal + FCMP_UGT = 10, /// 1 0 1 0 True if unordered or greater than + FCMP_UGE = 11, /// 1 0 1 1 True if unordered, greater than, or equal + FCMP_ULT = 12, /// 1 1 0 0 True if unordered or less than + FCMP_ULE = 13, /// 1 1 0 1 True if unordered, less than, or equal + FCMP_UNE = 14, /// 1 1 1 0 True if unordered or not equal + FCMP_TRUE = 15, /// 1 1 1 1 Always true (always folded) + FIRST_FCMP_PREDICATE = FCMP_FALSE, + LAST_FCMP_PREDICATE = FCMP_TRUE, + BAD_FCMP_PREDICATE = FCMP_TRUE + 1, + ICMP_EQ = 32, /// equal + ICMP_NE = 33, /// not equal + ICMP_UGT = 34, /// unsigned greater than + ICMP_UGE = 35, /// unsigned greater or equal + ICMP_ULT = 36, /// unsigned less than + ICMP_ULE = 37, /// unsigned less or equal + ICMP_SGT = 38, /// signed greater than + ICMP_SGE = 39, /// signed greater or equal + ICMP_SLT = 40, /// signed less than + ICMP_SLE = 41, /// signed less or equal + FIRST_ICMP_PREDICATE = ICMP_EQ, + LAST_ICMP_PREDICATE = ICMP_SLE, + BAD_ICMP_PREDICATE = ICMP_SLE + 1 + }; + + // allocate space for exactly two operands + void *operator new(size_t s) { + return User::operator new(s, 2); + } /// Construct a compare instruction, given the opcode, the predicate and /// the two operands. Optionally (if InstBefore is specified) insert the /// instruction into a BasicBlock right before the specified instruction. /// The specified Instruction is allowed to be a dereferenced end iterator. /// @brief Create a CmpInst - static CmpInst *create(OtherOps Op, unsigned short predicate, Value *S1, + static CmpInst *Create(OtherOps Op, unsigned short predicate, Value *S1, Value *S2, const std::string &Name = "", Instruction *InsertBefore = 0); @@ -513,7 +648,7 @@ public: /// two operands. Also automatically insert this instruction to the end of /// the BasicBlock specified. /// @brief Create a CmpInst - static CmpInst *create(OtherOps Op, unsigned short predicate, Value *S1, + static CmpInst *Create(OtherOps Op, unsigned short predicate, Value *S1, Value *S2, const std::string &Name, BasicBlock *InsertAtEnd); @@ -522,29 +657,43 @@ public: return static_cast(Instruction::getOpcode()); } - /// The predicate for CmpInst is defined by the subclasses but stored in - /// the SubclassData field (see Value.h). We allow it to be fetched here - /// as the predicate but there is no enum type for it, just the raw unsigned - /// short. This facilitates comparison of CmpInst instances without delving - /// into the subclasses since predicate values are distinct between the - /// CmpInst subclasses. /// @brief Return the predicate for this instruction. - unsigned short getPredicate() const { - return SubclassData; - } + Predicate getPredicate() const { return Predicate(SubclassData); } - /// @brief Provide more efficient getOperand methods. - Value *getOperand(unsigned i) const { - assert(i < 2 && "getOperand() out of range!"); - return Ops[i]; + /// @brief Set the predicate for this instruction to the specified value. + void setPredicate(Predicate P) { SubclassData = P; } + + /// For example, EQ -> NE, UGT -> ULE, SLT -> SGE, + /// OEQ -> UNE, UGT -> OLE, OLT -> UGE, etc. + /// @returns the inverse predicate for the instruction's current predicate. + /// @brief Return the inverse of the instruction's predicate. + Predicate getInversePredicate() const { + return getInversePredicate(getPredicate()); } - void setOperand(unsigned i, Value *Val) { - assert(i < 2 && "setOperand() out of range!"); - Ops[i] = Val; + + /// For example, EQ -> NE, UGT -> ULE, SLT -> SGE, + /// OEQ -> UNE, UGT -> OLE, OLT -> UGE, etc. + /// @returns the inverse predicate for predicate provided in \p pred. + /// @brief Return the inverse of a given predicate + static Predicate getInversePredicate(Predicate pred); + + /// For example, EQ->EQ, SLE->SGE, ULT->UGT, + /// OEQ->OEQ, ULE->UGE, OLT->OGT, etc. + /// @returns the predicate that would be the result of exchanging the two + /// operands of the CmpInst instruction without changing the result + /// produced. + /// @brief Return the predicate as if the operands were swapped + Predicate getSwappedPredicate() const { + return getSwappedPredicate(getPredicate()); } - /// @brief CmpInst instructions always have 2 operands. - unsigned getNumOperands() const { return 2; } + /// This is a static version that you can use without an instruction + /// available. + /// @brief Return the predicate as if the operands were swapped. + static Predicate getSwappedPredicate(Predicate pred); + + /// @brief Provide more efficient getOperand methods. + DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); /// This is just a convenience that dispatches to the subclasses. /// @brief Swap the operands and adjust predicate accordingly to retain @@ -577,13 +726,35 @@ public: static inline bool classof(const CmpInst *) { return true; } static inline bool classof(const Instruction *I) { return I->getOpcode() == Instruction::ICmp || - I->getOpcode() == Instruction::FCmp; + I->getOpcode() == Instruction::FCmp || + I->getOpcode() == Instruction::VICmp || + I->getOpcode() == Instruction::VFCmp; } static inline bool classof(const Value *V) { return isa(V) && classof(cast(V)); } + /// Backward-compatible interfaces + /// @deprecated in 2.4, do not use, will disappear soon + static CmpInst *create(OtherOps Op, unsigned short predicate, Value *S1, + Value *S2, const std::string &Name = "", + Instruction *InsertBefore = 0) { + return Create(Op, predicate, S1, S2, Name, InsertBefore); + } + static CmpInst *create(OtherOps Op, unsigned short predicate, Value *S1, + Value *S2, const std::string &Name, + BasicBlock *InsertAtEnd) { + return Create(Op, predicate, S1, S2, Name, InsertAtEnd); + } +}; + + +// FIXME: these are redundant if CmpInst < BinaryOperator +template <> +struct OperandTraits : FixedNumOperandTraits<2> { }; +DEFINE_TRANSPARENT_OPERAND_ACCESSORS(CmpInst, Value) + } // End llvm namespace #endif