X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FConstants.h;h=85fed4259d303dbcf187869254a51e05fda20b30;hb=5b957e6fd9853f938b8b33cfeb03d80595a9c2f8;hp=a3f5b95dbcc7f0851995d53dfc959b0ab5f99a20;hpb=c038a7833565ecf92a699371d448135a097c9e2f;p=oota-llvm.git diff --git a/include/llvm/Constants.h b/include/llvm/Constants.h index a3f5b95dbcc..85fed4259d3 100644 --- a/include/llvm/Constants.h +++ b/include/llvm/Constants.h @@ -49,8 +49,8 @@ struct ConvertConstantType; /// @brief Class for constant integers. class ConstantInt : public Constant { virtual void anchor(); - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT - ConstantInt(const ConstantInt &); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; + ConstantInt(const ConstantInt &) LLVM_DELETED_FUNCTION; ConstantInt(IntegerType *Ty, const APInt& V); APInt Val; protected: @@ -234,8 +234,8 @@ public: class ConstantFP : public Constant { APFloat Val; virtual void anchor(); - void *operator new(size_t, unsigned);// DO NOT IMPLEMENT - ConstantFP(const ConstantFP &); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; + ConstantFP(const ConstantFP &) LLVM_DELETED_FUNCTION; friend class LLVMContextImpl; protected: ConstantFP(Type *Ty, const APFloat& V); @@ -301,8 +301,8 @@ public: /// ConstantAggregateZero - All zero aggregate value /// class ConstantAggregateZero : public Constant { - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT - ConstantAggregateZero(const ConstantAggregateZero &); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; + ConstantAggregateZero(const ConstantAggregateZero &) LLVM_DELETED_FUNCTION; protected: explicit ConstantAggregateZero(Type *ty) : Constant(ty, ConstantAggregateZeroVal, 0, 0) {} @@ -346,7 +346,7 @@ public: /// class ConstantArray : public Constant { friend struct ConstantArrayCreator; - ConstantArray(const ConstantArray &); // DO NOT IMPLEMENT + ConstantArray(const ConstantArray &) LLVM_DELETED_FUNCTION; protected: ConstantArray(ArrayType *T, ArrayRef Val); public: @@ -385,7 +385,7 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ConstantArray, Constant) // class ConstantStruct : public Constant { friend struct ConstantArrayCreator; - ConstantStruct(const ConstantStruct &); // DO NOT IMPLEMENT + ConstantStruct(const ConstantStruct &) LLVM_DELETED_FUNCTION; protected: ConstantStruct(StructType *T, ArrayRef Val); public: @@ -445,7 +445,7 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ConstantStruct, Constant) /// class ConstantVector : public Constant { friend struct ConstantArrayCreator; - ConstantVector(const ConstantVector &); // DO NOT IMPLEMENT + ConstantVector(const ConstantVector &) LLVM_DELETED_FUNCTION; protected: ConstantVector(VectorType *T, ArrayRef Val); public: @@ -491,8 +491,8 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ConstantVector, Constant) /// ConstantPointerNull - a constant pointer value that points to null /// class ConstantPointerNull : public Constant { - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT - ConstantPointerNull(const ConstantPointerNull &); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; + ConstantPointerNull(const ConstantPointerNull &) LLVM_DELETED_FUNCTION; protected: explicit ConstantPointerNull(PointerType *T) : Constant(reinterpret_cast(T), @@ -543,8 +543,8 @@ class ConstantDataSequential : public Constant { /// element array of i8, or a 1-element array of i32. They'll both end up in /// the same StringMap bucket, linked up. ConstantDataSequential *Next; - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT - ConstantDataSequential(const ConstantDataSequential &); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; + ConstantDataSequential(const ConstantDataSequential &) LLVM_DELETED_FUNCTION; protected: explicit ConstantDataSequential(Type *ty, ValueTy VT, const char *Data) : Constant(ty, VT, 0, 0), DataElements(Data), Next(0) {} @@ -655,8 +655,8 @@ private: /// operands because it stores all of the elements of the constant as densely /// packed data, instead of as Value*'s. class ConstantDataArray : public ConstantDataSequential { - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT - ConstantDataArray(const ConstantDataArray &); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; + ConstantDataArray(const ConstantDataArray &) LLVM_DELETED_FUNCTION; virtual void anchor(); friend class ConstantDataSequential; explicit ConstantDataArray(Type *ty, const char *Data) @@ -708,8 +708,8 @@ public: /// operands because it stores all of the elements of the constant as densely /// packed data, instead of as Value*'s. class ConstantDataVector : public ConstantDataSequential { - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT - ConstantDataVector(const ConstantDataVector &); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; + ConstantDataVector(const ConstantDataVector &) LLVM_DELETED_FUNCTION; virtual void anchor(); friend class ConstantDataSequential; explicit ConstantDataVector(Type *ty, const char *Data) @@ -760,7 +760,7 @@ public: /// BlockAddress - The address of a basic block. /// class BlockAddress : public Constant { - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; void *operator new(size_t s) { return User::operator new(s, 2); } BlockAddress(Function *F, BasicBlock *BB); public: @@ -919,9 +919,15 @@ public: /// getBinOpIdentity - Return the identity for the given binary operation, /// i.e. a constant C such that X op C = X and C op X = X for every X. It - /// is an error to call this for an operation that doesn't have an identity. + /// returns null if the operator doesn't have an identity. static Constant *getBinOpIdentity(unsigned Opcode, Type *Ty); + /// getBinOpAbsorber - Return the absorbing element for the given binary + /// operation, i.e. a constant C such that X op C = C and C op X = C for + /// every X. For example, this returns zero for integer multiplication. + /// It returns null if the operator doesn't have an absorbing element. + static Constant *getBinOpAbsorber(unsigned Opcode, Type *Ty); + /// Transparently provide more efficient getOperand methods. DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Constant); @@ -1119,8 +1125,8 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ConstantExpr, Constant) /// LangRef.html#undefvalues for details. /// class UndefValue : public Constant { - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT - UndefValue(const UndefValue &); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; + UndefValue(const UndefValue &) LLVM_DELETED_FUNCTION; protected: explicit UndefValue(Type *T) : Constant(T, UndefValueVal, 0, 0) {} protected: