X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FInstructions.h;h=5b48e1a5d22f984eb6d2697d49d4c40f9b3eb30b;hb=a447cfea453b582092a7a1e5a7f71e695981c4d2;hp=b20ac18f41d756c3c248ae7a7ef61472bb54f0b2;hpb=9adc0abad3c3ed40a268ccbcee0c74cb9e1359fe;p=oota-llvm.git diff --git a/include/llvm/Instructions.h b/include/llvm/Instructions.h index b20ac18f41d..5b48e1a5d22 100644 --- a/include/llvm/Instructions.h +++ b/include/llvm/Instructions.h @@ -19,8 +19,7 @@ #include "llvm/InstrTypes.h" #include "llvm/DerivedTypes.h" #include "llvm/Attributes.h" -#include "llvm/BasicBlock.h" -#include "llvm/LLVMContext.h" +#include "llvm/CallingConv.h" #include "llvm/ADT/SmallVector.h" #include @@ -30,27 +29,33 @@ class ConstantInt; class ConstantRange; class APInt; class LLVMContext; +class DominatorTree; //===----------------------------------------------------------------------===// -// AllocationInst Class +// AllocaInst Class //===----------------------------------------------------------------------===// -/// AllocationInst - This class is the common base class of MallocInst and -/// AllocaInst. +/// AllocaInst - an instruction to allocate memory on the stack /// -class AllocationInst : public UnaryInstruction { +class AllocaInst : public UnaryInstruction { protected: - LLVMContext &Context; - - AllocationInst(LLVMContext &Context, const Type *Ty, Value *ArraySize, - unsigned iTy, unsigned Align, const std::string &Name = "", - Instruction *InsertBefore = 0); - AllocationInst(LLVMContext &Context, const Type *Ty, Value *ArraySize, - unsigned iTy, unsigned Align, const std::string &Name, - BasicBlock *InsertAtEnd); + virtual AllocaInst *clone_impl() const; public: + explicit AllocaInst(const Type *Ty, Value *ArraySize = 0, + const Twine &Name = "", Instruction *InsertBefore = 0); + AllocaInst(const Type *Ty, Value *ArraySize, + const Twine &Name, BasicBlock *InsertAtEnd); + + AllocaInst(const Type *Ty, const Twine &Name, Instruction *InsertBefore = 0); + AllocaInst(const Type *Ty, const Twine &Name, BasicBlock *InsertAtEnd); + + AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align, + const Twine &Name = "", Instruction *InsertBefore = 0); + AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align, + const Twine &Name, BasicBlock *InsertAtEnd); + // Out of line virtual method, so the vtable, etc. has a home. - virtual ~AllocationInst(); + virtual ~AllocaInst(); /// isArrayAllocation - Return true if there is an allocation size parameter /// to the allocation instruction that is not 1. @@ -80,110 +85,6 @@ public: unsigned getAlignment() const { return (1u << SubclassData) >> 1; } void setAlignment(unsigned Align); - virtual Instruction *clone(LLVMContext &Context) const = 0; - - // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const AllocationInst *) { return true; } - static inline bool classof(const Instruction *I) { - return I->getOpcode() == Instruction::Alloca || - I->getOpcode() == Instruction::Malloc; - } - static inline bool classof(const Value *V) { - return isa(V) && classof(cast(V)); - } -}; - - -//===----------------------------------------------------------------------===// -// MallocInst Class -//===----------------------------------------------------------------------===// - -/// MallocInst - an instruction to allocated memory on the heap -/// -class MallocInst : public AllocationInst { - MallocInst(const MallocInst &MI); -public: - explicit MallocInst(LLVMContext &Context, - const Type *Ty, Value *ArraySize = 0, - const std::string &NameStr = "", - Instruction *InsertBefore = 0) - : AllocationInst(Context, Ty, ArraySize, Malloc, - 0, NameStr, InsertBefore) {} - MallocInst(LLVMContext &Context, const Type *Ty, Value *ArraySize, - const std::string &NameStr, BasicBlock *InsertAtEnd) - : AllocationInst(Context, Ty, ArraySize, Malloc, 0, NameStr, InsertAtEnd) {} - - MallocInst(LLVMContext &Context, const Type *Ty, const std::string &NameStr, - Instruction *InsertBefore = 0) - : AllocationInst(Context, Ty, 0, Malloc, 0, NameStr, InsertBefore) {} - MallocInst(LLVMContext &Context, const Type *Ty, const std::string &NameStr, - BasicBlock *InsertAtEnd) - : AllocationInst(Context, Ty, 0, Malloc, 0, NameStr, InsertAtEnd) {} - - MallocInst(LLVMContext &Context, const Type *Ty, Value *ArraySize, - unsigned Align, const std::string &NameStr, - BasicBlock *InsertAtEnd) - : AllocationInst(Context, Ty, ArraySize, Malloc, - Align, NameStr, InsertAtEnd) {} - MallocInst(LLVMContext &Context, const Type *Ty, Value *ArraySize, - unsigned Align, const std::string &NameStr = "", - Instruction *InsertBefore = 0) - : AllocationInst(Context, Ty, ArraySize, - Malloc, Align, NameStr, InsertBefore) {} - - virtual MallocInst *clone(LLVMContext &Context) const; - - // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const MallocInst *) { return true; } - static inline bool classof(const Instruction *I) { - return (I->getOpcode() == Instruction::Malloc); - } - static inline bool classof(const Value *V) { - return isa(V) && classof(cast(V)); - } -}; - - -//===----------------------------------------------------------------------===// -// AllocaInst Class -//===----------------------------------------------------------------------===// - -/// AllocaInst - an instruction to allocate memory on the stack -/// -class AllocaInst : public AllocationInst { - AllocaInst(const AllocaInst &); -public: - explicit AllocaInst(LLVMContext &Context, const Type *Ty, - Value *ArraySize = 0, - const std::string &NameStr = "", - Instruction *InsertBefore = 0) - : AllocationInst(Context, Ty, ArraySize, Alloca, - 0, NameStr, InsertBefore) {} - AllocaInst(LLVMContext &Context, const Type *Ty, - Value *ArraySize, const std::string &NameStr, - BasicBlock *InsertAtEnd) - : AllocationInst(Context, Ty, ArraySize, Alloca, 0, NameStr, InsertAtEnd) {} - - AllocaInst(LLVMContext &Context, const Type *Ty, const std::string &NameStr, - Instruction *InsertBefore = 0) - : AllocationInst(Context, Ty, 0, Alloca, 0, NameStr, InsertBefore) {} - AllocaInst(LLVMContext &Context, const Type *Ty, const std::string &NameStr, - BasicBlock *InsertAtEnd) - : AllocationInst(Context, Ty, 0, Alloca, 0, NameStr, InsertAtEnd) {} - - AllocaInst(LLVMContext &Context, const Type *Ty, Value *ArraySize, - unsigned Align, const std::string &NameStr = "", - Instruction *InsertBefore = 0) - : AllocationInst(Context, Ty, ArraySize, Alloca, - Align, NameStr, InsertBefore) {} - AllocaInst(LLVMContext &Context, const Type *Ty, Value *ArraySize, - unsigned Align, const std::string &NameStr, - BasicBlock *InsertAtEnd) - : AllocationInst(Context, Ty, ArraySize, Alloca, - Align, NameStr, InsertAtEnd) {} - - virtual AllocaInst *clone(LLVMContext &Context) const; - /// isStaticAlloca - Return true if this alloca is in the entry block of the /// function and is a constant size. If so, the code generator will fold it /// into the prolog/epilog code, so it is basically free. @@ -200,35 +101,6 @@ public: }; -//===----------------------------------------------------------------------===// -// FreeInst Class -//===----------------------------------------------------------------------===// - -/// FreeInst - an instruction to deallocate memory -/// -class FreeInst : public UnaryInstruction { - void AssertOK(); -public: - explicit FreeInst(Value *Ptr, Instruction *InsertBefore = 0); - FreeInst(Value *Ptr, BasicBlock *InsertAfter); - - virtual FreeInst *clone(LLVMContext &Context) const; - - // Accessor methods for consistency with other memory operations - Value *getPointerOperand() { return getOperand(0); } - const Value *getPointerOperand() const { return getOperand(0); } - - // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const FreeInst *) { return true; } - static inline bool classof(const Instruction *I) { - return (I->getOpcode() == Instruction::Free); - } - static inline bool classof(const Value *V) { - return isa(V) && classof(cast(V)); - } -}; - - //===----------------------------------------------------------------------===// // LoadInst Class //===----------------------------------------------------------------------===// @@ -237,27 +109,19 @@ public: /// SubclassData field in Value to store whether or not the load is volatile. /// class LoadInst : public UnaryInstruction { - - LoadInst(const LoadInst &LI) - : UnaryInstruction(LI.getType(), Load, LI.getOperand(0)) { - setVolatile(LI.isVolatile()); - setAlignment(LI.getAlignment()); - -#ifndef NDEBUG - AssertOK(); -#endif - } void AssertOK(); +protected: + virtual LoadInst *clone_impl() const; public: - LoadInst(Value *Ptr, const std::string &NameStr, Instruction *InsertBefore); - LoadInst(Value *Ptr, const std::string &NameStr, BasicBlock *InsertAtEnd); - LoadInst(Value *Ptr, const std::string &NameStr, bool isVolatile = false, + LoadInst(Value *Ptr, const Twine &NameStr, Instruction *InsertBefore); + LoadInst(Value *Ptr, const Twine &NameStr, BasicBlock *InsertAtEnd); + LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile = false, Instruction *InsertBefore = 0); - LoadInst(Value *Ptr, const std::string &NameStr, bool isVolatile, + LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile, unsigned Align, Instruction *InsertBefore = 0); - LoadInst(Value *Ptr, const std::string &NameStr, bool isVolatile, + LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile, BasicBlock *InsertAtEnd); - LoadInst(Value *Ptr, const std::string &NameStr, bool isVolatile, + LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile, unsigned Align, BasicBlock *InsertAtEnd); LoadInst(Value *Ptr, const char *NameStr, Instruction *InsertBefore); @@ -278,8 +142,6 @@ public: SubclassData = (SubclassData & ~1) | (V ? 1 : 0); } - virtual LoadInst *clone(LLVMContext &Context) const; - /// getAlignment - Return the alignment of the access that is being performed /// unsigned getAlignment() const { @@ -292,6 +154,11 @@ public: const Value *getPointerOperand() const { return getOperand(0); } static unsigned getPointerOperandIndex() { return 0U; } + unsigned getPointerAddressSpace() const { + return cast(getPointerOperand()->getType())->getAddressSpace(); + } + + // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const LoadInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -311,19 +178,9 @@ public: /// class StoreInst : public Instruction { void *operator new(size_t, unsigned); // DO NOT IMPLEMENT - - StoreInst(const StoreInst &SI) : Instruction(SI.getType(), Store, - &Op<0>(), 2) { - Op<0>() = SI.Op<0>(); - Op<1>() = SI.Op<1>(); - setVolatile(SI.isVolatile()); - setAlignment(SI.getAlignment()); - -#ifndef NDEBUG - AssertOK(); -#endif - } void AssertOK(); +protected: + virtual StoreInst *clone_impl() const; public: // allocate space for exactly two operands void *operator new(size_t s) { @@ -362,12 +219,14 @@ public: void setAlignment(unsigned Align); - virtual StoreInst *clone(LLVMContext &Context) const; - Value *getPointerOperand() { return getOperand(1); } const Value *getPointerOperand() const { return getOperand(1); } static unsigned getPointerOperandIndex() { return 1U; } + unsigned getPointerAddressSpace() const { + return cast(getPointerOperand()->getType())->getAddressSpace(); + } + // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const StoreInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -379,7 +238,7 @@ public: }; template <> -struct OperandTraits : FixedNumOperandTraits<2> { +struct OperandTraits : public FixedNumOperandTraits<2> { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(StoreInst, Value) @@ -402,12 +261,12 @@ static inline const Type *checkType(const Type *Ty) { class GetElementPtrInst : public Instruction { GetElementPtrInst(const GetElementPtrInst &GEPI); void init(Value *Ptr, Value* const *Idx, unsigned NumIdx, - const std::string &NameStr); - void init(Value *Ptr, Value *Idx, const std::string &NameStr); + const Twine &NameStr); + void init(Value *Ptr, Value *Idx, const Twine &NameStr); template void init(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, + const Twine &NameStr, // This argument ensures that we have an iterator we can // do arithmetic on in constant time std::random_access_iterator_tag) { @@ -454,25 +313,27 @@ class GetElementPtrInst : public Instruction { inline GetElementPtrInst(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd, unsigned Values, - const std::string &NameStr, + const Twine &NameStr, Instruction *InsertBefore); template inline GetElementPtrInst(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd, unsigned Values, - const std::string &NameStr, BasicBlock *InsertAtEnd); + const Twine &NameStr, BasicBlock *InsertAtEnd); /// Constructors - These two constructors are convenience methods because one /// and two index getelementptr instructions are so common. - GetElementPtrInst(Value *Ptr, Value *Idx, const std::string &NameStr = "", + GetElementPtrInst(Value *Ptr, Value *Idx, const Twine &NameStr = "", Instruction *InsertBefore = 0); GetElementPtrInst(Value *Ptr, Value *Idx, - const std::string &NameStr, BasicBlock *InsertAtEnd); + const Twine &NameStr, BasicBlock *InsertAtEnd); +protected: + virtual GetElementPtrInst *clone_impl() const; public: template static GetElementPtrInst *Create(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefore = 0) { typename std::iterator_traits::difference_type Values = 1 + std::distance(IdxBegin, IdxEnd); @@ -482,7 +343,7 @@ public: template static GetElementPtrInst *Create(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, + const Twine &NameStr, BasicBlock *InsertAtEnd) { typename std::iterator_traits::difference_type Values = 1 + std::distance(IdxBegin, IdxEnd); @@ -493,17 +354,53 @@ public: /// Constructors - These two creators are convenience methods because one /// index getelementptr instructions are so common. static GetElementPtrInst *Create(Value *Ptr, Value *Idx, - const std::string &NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefore = 0) { return new(2) GetElementPtrInst(Ptr, Idx, NameStr, InsertBefore); } static GetElementPtrInst *Create(Value *Ptr, Value *Idx, - const std::string &NameStr, + const Twine &NameStr, BasicBlock *InsertAtEnd) { return new(2) GetElementPtrInst(Ptr, Idx, NameStr, InsertAtEnd); } - virtual GetElementPtrInst *clone(LLVMContext &Context) const; + /// Create an "inbounds" getelementptr. See the documentation for the + /// "inbounds" flag in LangRef.html for details. + template + static GetElementPtrInst *CreateInBounds(Value *Ptr, InputIterator IdxBegin, + InputIterator IdxEnd, + const Twine &NameStr = "", + Instruction *InsertBefore = 0) { + GetElementPtrInst *GEP = Create(Ptr, IdxBegin, IdxEnd, + NameStr, InsertBefore); + GEP->setIsInBounds(true); + return GEP; + } + template + static GetElementPtrInst *CreateInBounds(Value *Ptr, + InputIterator IdxBegin, + InputIterator IdxEnd, + const Twine &NameStr, + BasicBlock *InsertAtEnd) { + GetElementPtrInst *GEP = Create(Ptr, IdxBegin, IdxEnd, + NameStr, InsertAtEnd); + GEP->setIsInBounds(true); + return GEP; + } + static GetElementPtrInst *CreateInBounds(Value *Ptr, Value *Idx, + const Twine &NameStr = "", + Instruction *InsertBefore = 0) { + GetElementPtrInst *GEP = Create(Ptr, Idx, NameStr, InsertBefore); + GEP->setIsInBounds(true); + return GEP; + } + static GetElementPtrInst *CreateInBounds(Value *Ptr, Value *Idx, + const Twine &NameStr, + BasicBlock *InsertAtEnd) { + GetElementPtrInst *GEP = Create(Ptr, Idx, NameStr, InsertAtEnd); + GEP->setIsInBounds(true); + return GEP; + } /// Transparently provide more efficient getOperand methods. DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); @@ -550,6 +447,10 @@ public: static unsigned getPointerOperandIndex() { return 0U; // get index for modifying correct operand } + + unsigned getPointerAddressSpace() const { + return cast(getType())->getAddressSpace(); + } /// getPointerOperandType - Method to return the pointer operand as a /// PointerType. @@ -576,6 +477,12 @@ public: /// a constant offset between them. bool hasAllConstantIndices() const; + /// setIsInBounds - Set or clear the inbounds flag on this GEP instruction. + /// See LangRef.html for the meaning of inbounds on a getelementptr. + void setIsInBounds(bool b = true); + + /// isInBounds - Determine whether the GEP has the inbounds flag. + bool isInBounds() const; // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const GetElementPtrInst *) { return true; } @@ -588,7 +495,7 @@ public: }; template <> -struct OperandTraits : VariadicOperandTraits<1> { +struct OperandTraits : public VariadicOperandTraits<1> { }; template @@ -596,7 +503,7 @@ GetElementPtrInst::GetElementPtrInst(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd, unsigned Values, - const std::string &NameStr, + const Twine &NameStr, Instruction *InsertBefore) : Instruction(PointerType::get(checkType( getIndexedType(Ptr->getType(), @@ -614,7 +521,7 @@ GetElementPtrInst::GetElementPtrInst(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd, unsigned Values, - const std::string &NameStr, + const Twine &NameStr, BasicBlock *InsertAtEnd) : Instruction(PointerType::get(checkType( getIndexedType(Ptr->getType(), @@ -641,6 +548,9 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(GetElementPtrInst, Value) /// must be identical types. /// @brief Represent an integer comparison operator. class ICmpInst: public CmpInst { +protected: + /// @brief Clone an indentical ICmpInst + virtual ICmpInst *clone_impl() const; public: /// @brief Constructor with insert-before-instruction semantics. ICmpInst( @@ -648,9 +558,8 @@ public: Predicate pred, ///< The predicate to use for the comparison Value *LHS, ///< The left-hand-side of the expression Value *RHS, ///< The right-hand-side of the expression - const std::string &NameStr = "" ///< Name of the instruction - ) : CmpInst(InsertBefore->getParent()->getContext()-> - makeCmpResultType(LHS->getType()), + const Twine &NameStr = "" ///< Name of the instruction + ) : CmpInst(makeCmpResultType(LHS->getType()), Instruction::ICmp, pred, LHS, RHS, NameStr, InsertBefore) { assert(pred >= CmpInst::FIRST_ICMP_PREDICATE && @@ -670,8 +579,8 @@ public: Predicate pred, ///< The predicate to use for the comparison Value *LHS, ///< The left-hand-side of the expression Value *RHS, ///< The right-hand-side of the expression - const std::string &NameStr = "" ///< Name of the instruction - ) : CmpInst(InsertAtEnd.getContext()->makeCmpResultType(LHS->getType()), + const Twine &NameStr = "" ///< Name of the instruction + ) : CmpInst(makeCmpResultType(LHS->getType()), Instruction::ICmp, pred, LHS, RHS, NameStr, &InsertAtEnd) { assert(pred >= CmpInst::FIRST_ICMP_PREDICATE && @@ -687,12 +596,11 @@ public: /// @brief Constructor with no-insertion semantics ICmpInst( - LLVMContext &Context, ///< Context to construct within Predicate pred, ///< The predicate to use for the comparison Value *LHS, ///< The left-hand-side of the expression Value *RHS, ///< The right-hand-side of the expression - const std::string &NameStr = "" ///< Name of the instruction - ) : CmpInst(Context.makeCmpResultType(LHS->getType()), + const Twine &NameStr = "" ///< Name of the instruction + ) : CmpInst(makeCmpResultType(LHS->getType()), Instruction::ICmp, pred, LHS, RHS, NameStr) { assert(pred >= CmpInst::FIRST_ICMP_PREDICATE && pred <= CmpInst::LAST_ICMP_PREDICATE && @@ -757,30 +665,6 @@ public: return !isEquality(P); } - /// @returns true if the predicate of this ICmpInst is signed, false otherwise - /// @brief Determine if this instruction's predicate is signed. - bool isSignedPredicate() const { return isSignedPredicate(getPredicate()); } - - /// @returns true if the predicate provided is signed, false otherwise - /// @brief Determine if the predicate is signed. - static bool isSignedPredicate(Predicate pred); - - /// @returns true if the specified compare predicate is - /// true when both operands are equal... - /// @brief Determine if the icmp is true when both operands are equal - static bool isTrueWhenEqual(ICmpInst::Predicate pred) { - return pred == ICmpInst::ICMP_EQ || pred == ICmpInst::ICMP_UGE || - pred == ICmpInst::ICMP_SGE || pred == ICmpInst::ICMP_ULE || - pred == ICmpInst::ICMP_SLE; - } - - /// @returns true if the specified compare instruction is - /// true when both operands are equal... - /// @brief Determine if the ICmpInst returns true when both operands are equal - bool isTrueWhenEqual() { - return isTrueWhenEqual(getPredicate()); - } - /// Initialize a set of values that all satisfy the predicate with C. /// @brief Make a ConstantRange for a relation with a constant value. static ConstantRange makeConstantRange(Predicate pred, const APInt &C); @@ -795,8 +679,6 @@ public: Op<0>().swap(Op<1>()); } - virtual ICmpInst *clone(LLVMContext &Context) const; - // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const ICmpInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -817,6 +699,9 @@ public: /// vectors of floating point values. The operands must be identical types. /// @brief Represents a floating point comparison operator. class FCmpInst: public CmpInst { +protected: + /// @brief Clone an indentical FCmpInst + virtual FCmpInst *clone_impl() const; public: /// @brief Constructor with insert-before-instruction semantics. FCmpInst( @@ -824,9 +709,8 @@ public: Predicate pred, ///< The predicate to use for the comparison Value *LHS, ///< The left-hand-side of the expression Value *RHS, ///< The right-hand-side of the expression - const std::string &NameStr = "" ///< Name of the instruction - ) : CmpInst(InsertBefore->getParent()->getContext()-> - makeCmpResultType(LHS->getType()), + const Twine &NameStr = "" ///< Name of the instruction + ) : CmpInst(makeCmpResultType(LHS->getType()), Instruction::FCmp, pred, LHS, RHS, NameStr, InsertBefore) { assert(pred <= FCmpInst::LAST_FCMP_PREDICATE && @@ -844,8 +728,8 @@ public: Predicate pred, ///< The predicate to use for the comparison Value *LHS, ///< The left-hand-side of the expression Value *RHS, ///< The right-hand-side of the expression - const std::string &NameStr = "" ///< Name of the instruction - ) : CmpInst(InsertAtEnd.getContext()->makeCmpResultType(LHS->getType()), + const Twine &NameStr = "" ///< Name of the instruction + ) : CmpInst(makeCmpResultType(LHS->getType()), Instruction::FCmp, pred, LHS, RHS, NameStr, &InsertAtEnd) { assert(pred <= FCmpInst::LAST_FCMP_PREDICATE && @@ -859,12 +743,11 @@ public: /// @brief Constructor with no-insertion semantics FCmpInst( - LLVMContext &Context, ///< Context to build in Predicate pred, ///< The predicate to use for the comparison Value *LHS, ///< The left-hand-side of the expression Value *RHS, ///< The right-hand-side of the expression - const std::string &NameStr = "" ///< Name of the instruction - ) : CmpInst(Context.makeCmpResultType(LHS->getType()), + const Twine &NameStr = "" ///< Name of the instruction + ) : CmpInst(makeCmpResultType(LHS->getType()), Instruction::FCmp, pred, LHS, RHS, NameStr) { assert(pred <= FCmpInst::LAST_FCMP_PREDICATE && "Invalid FCmp predicate value"); @@ -906,8 +789,6 @@ public: Op<0>().swap(Op<1>()); } - virtual FCmpInst *clone(LLVMContext &Context) const; - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const FCmpInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -916,7 +797,6 @@ public: static inline bool classof(const Value *V) { return isa(V) && classof(cast(V)); } - }; //===----------------------------------------------------------------------===// @@ -938,7 +818,7 @@ class CallInst : public Instruction { template void init(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd, - const std::string &NameStr, + const Twine &NameStr, // This argument ensures that we have an iterator we can // do arithmetic on in constant time std::random_access_iterator_tag) { @@ -957,7 +837,7 @@ class CallInst : public Instruction { /// @brief Construct a CallInst from a range of arguments template CallInst(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd, - const std::string &NameStr, Instruction *InsertBefore); + const Twine &NameStr, Instruction *InsertBefore); /// Construct a CallInst given a range of arguments. InputIterator /// must be a random-access iterator pointing to contiguous storage @@ -967,20 +847,22 @@ class CallInst : public Instruction { /// @brief Construct a CallInst from a range of arguments template inline CallInst(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd, - const std::string &NameStr, BasicBlock *InsertAtEnd); + const Twine &NameStr, BasicBlock *InsertAtEnd); - CallInst(Value *F, Value *Actual, const std::string& NameStr, + CallInst(Value *F, Value *Actual, const Twine &NameStr, Instruction *InsertBefore); - CallInst(Value *F, Value *Actual, const std::string& NameStr, + CallInst(Value *F, Value *Actual, const Twine &NameStr, BasicBlock *InsertAtEnd); - explicit CallInst(Value *F, const std::string &NameStr, + explicit CallInst(Value *F, const Twine &NameStr, Instruction *InsertBefore); - CallInst(Value *F, const std::string &NameStr, BasicBlock *InsertAtEnd); + CallInst(Value *F, const Twine &NameStr, BasicBlock *InsertAtEnd); +protected: + virtual CallInst *clone_impl() const; public: template static CallInst *Create(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd, - const std::string &NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefore = 0) { return new((unsigned)(ArgEnd - ArgBegin + 1)) CallInst(Func, ArgBegin, ArgEnd, NameStr, InsertBefore); @@ -988,27 +870,45 @@ public: template static CallInst *Create(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd, - const std::string &NameStr, BasicBlock *InsertAtEnd) { + const Twine &NameStr, BasicBlock *InsertAtEnd) { return new((unsigned)(ArgEnd - ArgBegin + 1)) CallInst(Func, ArgBegin, ArgEnd, NameStr, InsertAtEnd); } static CallInst *Create(Value *F, Value *Actual, - const std::string& NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefore = 0) { return new(2) CallInst(F, Actual, NameStr, InsertBefore); } - static CallInst *Create(Value *F, Value *Actual, const std::string& NameStr, + static CallInst *Create(Value *F, Value *Actual, const Twine &NameStr, BasicBlock *InsertAtEnd) { return new(2) CallInst(F, Actual, NameStr, InsertAtEnd); } - static CallInst *Create(Value *F, const std::string &NameStr = "", + static CallInst *Create(Value *F, const Twine &NameStr = "", Instruction *InsertBefore = 0) { return new(1) CallInst(F, NameStr, InsertBefore); } - static CallInst *Create(Value *F, const std::string &NameStr, + static CallInst *Create(Value *F, const Twine &NameStr, BasicBlock *InsertAtEnd) { return new(1) CallInst(F, NameStr, InsertAtEnd); } + /// CreateMalloc - Generate the IR for a call to malloc: + /// 1. Compute the malloc call's argument as the specified type's size, + /// possibly multiplied by the array size if the array size is not + /// constant 1. + /// 2. Call malloc with that argument. + /// 3. Bitcast the result of the malloc call to the specified type. + static Instruction *CreateMalloc(Instruction *InsertBefore, + const Type *IntPtrTy, const Type *AllocTy, + Value *AllocSize, Value *ArraySize = 0, + const Twine &Name = ""); + static Instruction *CreateMalloc(BasicBlock *InsertAtEnd, + const Type *IntPtrTy, const Type *AllocTy, + Value *AllocSize, Value *ArraySize = 0, + Function* MallocF = 0, + const Twine &Name = ""); + /// CreateFree - Generate the IR for a call to the builtin free function. + static void CreateFree(Value* Source, Instruction *InsertBefore); + static Instruction* CreateFree(Value* Source, BasicBlock *InsertAtEnd); ~CallInst(); @@ -1017,16 +917,16 @@ public: SubclassData = (SubclassData & ~1) | unsigned(isTC); } - virtual CallInst *clone(LLVMContext &Context) const; - /// Provide fast operand accessors DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); /// getCallingConv/setCallingConv - Get or set the calling convention of this /// function call. - unsigned getCallingConv() const { return SubclassData >> 1; } - void setCallingConv(unsigned CC) { - SubclassData = (SubclassData & 1) | (CC << 1); + CallingConv::ID getCallingConv() const { + return static_cast(SubclassData >> 1); + } + void setCallingConv(CallingConv::ID CC) { + SubclassData = (SubclassData & 1) | (static_cast(CC) << 1); } /// getAttributes - Return the parameter attributes for this call. @@ -1107,10 +1007,15 @@ public: } /// getCalledValue - Get a pointer to the function that is invoked by this - /// instruction + /// instruction. const Value *getCalledValue() const { return Op<0>(); } Value *getCalledValue() { return Op<0>(); } + /// setCalledFunction - Set the function called. + void setCalledFunction(Value* Fn) { + Op<0>() = Fn; + } + // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const CallInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -1122,12 +1027,12 @@ public: }; template <> -struct OperandTraits : VariadicOperandTraits<1> { +struct OperandTraits : public VariadicOperandTraits<1> { }; template CallInst::CallInst(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd, - const std::string &NameStr, BasicBlock *InsertAtEnd) + const Twine &NameStr, BasicBlock *InsertAtEnd) : Instruction(cast(cast(Func->getType()) ->getElementType())->getReturnType(), Instruction::Call, @@ -1139,7 +1044,7 @@ CallInst::CallInst(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd, template CallInst::CallInst(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd, - const std::string &NameStr, Instruction *InsertBefore) + const Twine &NameStr, Instruction *InsertBefore) : Instruction(cast(cast(Func->getType()) ->getElementType())->getReturnType(), Instruction::Call, @@ -1165,40 +1070,41 @@ class SelectInst : public Instruction { Op<2>() = S2; } - SelectInst(const SelectInst &SI) - : Instruction(SI.getType(), SI.getOpcode(), &Op<0>(), 3) { - init(SI.Op<0>(), SI.Op<1>(), SI.Op<2>()); - } - SelectInst(Value *C, Value *S1, Value *S2, const std::string &NameStr, + SelectInst(Value *C, Value *S1, Value *S2, const Twine &NameStr, Instruction *InsertBefore) : Instruction(S1->getType(), Instruction::Select, &Op<0>(), 3, InsertBefore) { init(C, S1, S2); setName(NameStr); } - SelectInst(Value *C, Value *S1, Value *S2, const std::string &NameStr, + SelectInst(Value *C, Value *S1, Value *S2, const Twine &NameStr, BasicBlock *InsertAtEnd) : Instruction(S1->getType(), Instruction::Select, &Op<0>(), 3, InsertAtEnd) { init(C, S1, S2); setName(NameStr); } +protected: + virtual SelectInst *clone_impl() const; public: static SelectInst *Create(Value *C, Value *S1, Value *S2, - const std::string &NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefore = 0) { return new(3) SelectInst(C, S1, S2, NameStr, InsertBefore); } static SelectInst *Create(Value *C, Value *S1, Value *S2, - const std::string &NameStr, + const Twine &NameStr, BasicBlock *InsertAtEnd) { return new(3) SelectInst(C, S1, S2, NameStr, InsertAtEnd); } - Value *getCondition() const { return Op<0>(); } - Value *getTrueValue() const { return Op<1>(); } - Value *getFalseValue() const { return Op<2>(); } - + const Value *getCondition() const { return Op<0>(); } + const Value *getTrueValue() const { return Op<1>(); } + const Value *getFalseValue() const { return Op<2>(); } + Value *getCondition() { return Op<0>(); } + Value *getTrueValue() { return Op<1>(); } + Value *getFalseValue() { return Op<2>(); } + /// areInvalidOperands - Return a string if the specified operands are invalid /// for a select operation, otherwise return null. static const char *areInvalidOperands(Value *Cond, Value *True, Value *False); @@ -1210,8 +1116,6 @@ public: return static_cast(Instruction::getOpcode()); } - virtual SelectInst *clone(LLVMContext &Context) const; - // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const SelectInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -1223,7 +1127,7 @@ public: }; template <> -struct OperandTraits : FixedNumOperandTraits<3> { +struct OperandTraits : public FixedNumOperandTraits<3> { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(SelectInst, Value) @@ -1236,22 +1140,21 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(SelectInst, Value) /// an argument of the specified type given a va_list and increments that list /// class VAArgInst : public UnaryInstruction { - VAArgInst(const VAArgInst &VAA) - : UnaryInstruction(VAA.getType(), VAArg, VAA.getOperand(0)) {} +protected: + virtual VAArgInst *clone_impl() const; + public: - VAArgInst(Value *List, const Type *Ty, const std::string &NameStr = "", + VAArgInst(Value *List, const Type *Ty, const Twine &NameStr = "", Instruction *InsertBefore = 0) : UnaryInstruction(Ty, VAArg, List, InsertBefore) { setName(NameStr); } - VAArgInst(Value *List, const Type *Ty, const std::string &NameStr, + VAArgInst(Value *List, const Type *Ty, const Twine &NameStr, BasicBlock *InsertAtEnd) : UnaryInstruction(Ty, VAArg, List, InsertAtEnd) { setName(NameStr); } - virtual VAArgInst *clone(LLVMContext &Context) const; - // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const VAArgInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -1270,28 +1173,39 @@ public: /// element from a VectorType value /// class ExtractElementInst : public Instruction { - ExtractElementInst(const ExtractElementInst &EE) : - Instruction(EE.getType(), ExtractElement, &Op<0>(), 2) { - Op<0>() = EE.Op<0>(); - Op<1>() = EE.Op<1>(); - } + ExtractElementInst(Value *Vec, Value *Idx, const Twine &NameStr = "", + Instruction *InsertBefore = 0); + ExtractElementInst(Value *Vec, Value *Idx, const Twine &NameStr, + BasicBlock *InsertAtEnd); +protected: + virtual ExtractElementInst *clone_impl() const; public: - // allocate space for exactly two operands - void *operator new(size_t s) { - return User::operator new(s, 2); // FIXME: "unsigned Idx" forms of ctor? + static ExtractElementInst *Create(Value *Vec, Value *Idx, + const Twine &NameStr = "", + Instruction *InsertBefore = 0) { + return new(2) ExtractElementInst(Vec, Idx, NameStr, InsertBefore); + } + static ExtractElementInst *Create(Value *Vec, Value *Idx, + const Twine &NameStr, + BasicBlock *InsertAtEnd) { + return new(2) ExtractElementInst(Vec, Idx, NameStr, InsertAtEnd); } - ExtractElementInst(Value *Vec, Value *Idx, const std::string &NameStr = "", - Instruction *InsertBefore = 0); - ExtractElementInst(Value *Vec, Value *Idx, const std::string &NameStr, - BasicBlock *InsertAtEnd); /// isValidOperands - Return true if an extractelement instruction can be /// formed with the specified operands. static bool isValidOperands(const Value *Vec, const Value *Idx); - virtual ExtractElementInst *clone(LLVMContext &Context) const; - + Value *getVectorOperand() { return Op<0>(); } + Value *getIndexOperand() { return Op<1>(); } + const Value *getVectorOperand() const { return Op<0>(); } + const Value *getIndexOperand() const { return Op<1>(); } + + const VectorType *getVectorOperandType() const { + return reinterpret_cast(getVectorOperand()->getType()); + } + + /// Transparently provide more efficient getOperand methods. DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); @@ -1306,7 +1220,7 @@ public: }; template <> -struct OperandTraits : FixedNumOperandTraits<2> { +struct OperandTraits : public FixedNumOperandTraits<2> { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ExtractElementInst, Value) @@ -1319,23 +1233,22 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ExtractElementInst, Value) /// element into a VectorType value /// class InsertElementInst : public Instruction { - InsertElementInst(const InsertElementInst &IE); InsertElementInst(Value *Vec, Value *NewElt, Value *Idx, - const std::string &NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefore = 0); InsertElementInst(Value *Vec, Value *NewElt, Value *Idx, - const std::string &NameStr, BasicBlock *InsertAtEnd); + const Twine &NameStr, BasicBlock *InsertAtEnd); +protected: + virtual InsertElementInst *clone_impl() const; + public: - static InsertElementInst *Create(const InsertElementInst &IE) { - return new(IE.getNumOperands()) InsertElementInst(IE); - } static InsertElementInst *Create(Value *Vec, Value *NewElt, Value *Idx, - const std::string &NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefore = 0) { return new(3) InsertElementInst(Vec, NewElt, Idx, NameStr, InsertBefore); } static InsertElementInst *Create(Value *Vec, Value *NewElt, Value *Idx, - const std::string &NameStr, + const Twine &NameStr, BasicBlock *InsertAtEnd) { return new(3) InsertElementInst(Vec, NewElt, Idx, NameStr, InsertAtEnd); } @@ -1345,8 +1258,6 @@ public: static bool isValidOperands(const Value *Vec, const Value *NewElt, const Value *Idx); - virtual InsertElementInst *clone(LLVMContext &Context) const; - /// getType - Overload to return most specific vector type. /// const VectorType *getType() const { @@ -1367,7 +1278,7 @@ public: }; template <> -struct OperandTraits : FixedNumOperandTraits<3> { +struct OperandTraits : public FixedNumOperandTraits<3> { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertElementInst, Value) @@ -1380,25 +1291,25 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertElementInst, Value) /// input vectors. /// class ShuffleVectorInst : public Instruction { - ShuffleVectorInst(const ShuffleVectorInst &IE); +protected: + virtual ShuffleVectorInst *clone_impl() const; + public: // allocate space for exactly three operands void *operator new(size_t s) { return User::operator new(s, 3); } ShuffleVectorInst(Value *V1, Value *V2, Value *Mask, - const std::string &NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefor = 0); ShuffleVectorInst(Value *V1, Value *V2, Value *Mask, - const std::string &NameStr, BasicBlock *InsertAtEnd); + const Twine &NameStr, BasicBlock *InsertAtEnd); /// isValidOperands - Return true if a shufflevector instruction can be /// formed with the specified operands. static bool isValidOperands(const Value *V1, const Value *V2, const Value *Mask); - virtual ShuffleVectorInst *clone(LLVMContext &Context) const; - /// getType - Overload to return most specific vector type. /// const VectorType *getType() const { @@ -1424,7 +1335,7 @@ public: }; template <> -struct OperandTraits : FixedNumOperandTraits<3> { +struct OperandTraits : public FixedNumOperandTraits<3> { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ShuffleVectorInst, Value) @@ -1441,12 +1352,12 @@ class ExtractValueInst : public UnaryInstruction { ExtractValueInst(const ExtractValueInst &EVI); void init(const unsigned *Idx, unsigned NumIdx, - const std::string &NameStr); - void init(unsigned Idx, const std::string &NameStr); + const Twine &NameStr); + void init(unsigned Idx, const Twine &NameStr); template void init(InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, + const Twine &NameStr, // This argument ensures that we have an iterator we can // do arithmetic on in constant time std::random_access_iterator_tag) { @@ -1496,23 +1407,25 @@ class ExtractValueInst : public UnaryInstruction { template inline ExtractValueInst(Value *Agg, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, + const Twine &NameStr, Instruction *InsertBefore); template inline ExtractValueInst(Value *Agg, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, BasicBlock *InsertAtEnd); + const Twine &NameStr, BasicBlock *InsertAtEnd); // allocate space for exactly one operand void *operator new(size_t s) { return User::operator new(s, 1); } +protected: + virtual ExtractValueInst *clone_impl() const; public: template static ExtractValueInst *Create(Value *Agg, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefore = 0) { return new ExtractValueInst(Agg, IdxBegin, IdxEnd, NameStr, InsertBefore); @@ -1520,7 +1433,7 @@ public: template static ExtractValueInst *Create(Value *Agg, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, + const Twine &NameStr, BasicBlock *InsertAtEnd) { return new ExtractValueInst(Agg, IdxBegin, IdxEnd, NameStr, InsertAtEnd); } @@ -1529,20 +1442,18 @@ public: /// index extractvalue instructions are much more common than those with /// more than one. static ExtractValueInst *Create(Value *Agg, unsigned Idx, - const std::string &NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefore = 0) { unsigned Idxs[1] = { Idx }; return new ExtractValueInst(Agg, Idxs, Idxs + 1, NameStr, InsertBefore); } static ExtractValueInst *Create(Value *Agg, unsigned Idx, - const std::string &NameStr, + const Twine &NameStr, BasicBlock *InsertAtEnd) { unsigned Idxs[1] = { Idx }; return new ExtractValueInst(Agg, Idxs, Idxs + 1, NameStr, InsertAtEnd); } - virtual ExtractValueInst *clone(LLVMContext &Context) const; - /// getIndexedType - Returns the type of the element that would be extracted /// with an extractvalue instruction with the specified parameters. /// @@ -1595,7 +1506,7 @@ template ExtractValueInst::ExtractValueInst(Value *Agg, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, + const Twine &NameStr, Instruction *InsertBefore) : UnaryInstruction(checkType(getIndexedType(Agg->getType(), IdxBegin, IdxEnd)), @@ -1607,7 +1518,7 @@ template ExtractValueInst::ExtractValueInst(Value *Agg, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, + const Twine &NameStr, BasicBlock *InsertAtEnd) : UnaryInstruction(checkType(getIndexedType(Agg->getType(), IdxBegin, IdxEnd)), @@ -1630,13 +1541,13 @@ class InsertValueInst : public Instruction { void *operator new(size_t, unsigned); // Do not implement InsertValueInst(const InsertValueInst &IVI); void init(Value *Agg, Value *Val, const unsigned *Idx, unsigned NumIdx, - const std::string &NameStr); - void init(Value *Agg, Value *Val, unsigned Idx, const std::string &NameStr); + const Twine &NameStr); + void init(Value *Agg, Value *Val, unsigned Idx, const Twine &NameStr); template void init(Value *Agg, Value *Val, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, + const Twine &NameStr, // This argument ensures that we have an iterator we can // do arithmetic on in constant time std::random_access_iterator_tag) { @@ -1660,20 +1571,22 @@ class InsertValueInst : public Instruction { template inline InsertValueInst(Value *Agg, Value *Val, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, + const Twine &NameStr, Instruction *InsertBefore); template inline InsertValueInst(Value *Agg, Value *Val, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, BasicBlock *InsertAtEnd); + const Twine &NameStr, BasicBlock *InsertAtEnd); /// Constructors - These two constructors are convenience methods because one /// and two index insertvalue instructions are so common. InsertValueInst(Value *Agg, Value *Val, - unsigned Idx, const std::string &NameStr = "", + unsigned Idx, const Twine &NameStr = "", Instruction *InsertBefore = 0); InsertValueInst(Value *Agg, Value *Val, unsigned Idx, - const std::string &NameStr, BasicBlock *InsertAtEnd); + const Twine &NameStr, BasicBlock *InsertAtEnd); +protected: + virtual InsertValueInst *clone_impl() const; public: // allocate space for exactly two operands void *operator new(size_t s) { @@ -1683,7 +1596,7 @@ public: template static InsertValueInst *Create(Value *Agg, Value *Val, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefore = 0) { return new InsertValueInst(Agg, Val, IdxBegin, IdxEnd, NameStr, InsertBefore); @@ -1691,7 +1604,7 @@ public: template static InsertValueInst *Create(Value *Agg, Value *Val, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, + const Twine &NameStr, BasicBlock *InsertAtEnd) { return new InsertValueInst(Agg, Val, IdxBegin, IdxEnd, NameStr, InsertAtEnd); @@ -1701,18 +1614,16 @@ public: /// index insertvalue instructions are much more common than those with /// more than one. static InsertValueInst *Create(Value *Agg, Value *Val, unsigned Idx, - const std::string &NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefore = 0) { return new InsertValueInst(Agg, Val, Idx, NameStr, InsertBefore); } static InsertValueInst *Create(Value *Agg, Value *Val, unsigned Idx, - const std::string &NameStr, + const Twine &NameStr, BasicBlock *InsertAtEnd) { return new InsertValueInst(Agg, Val, Idx, NameStr, InsertAtEnd); } - virtual InsertValueInst *clone(LLVMContext &Context) const; - /// Transparently provide more efficient getOperand methods. DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); @@ -1759,7 +1670,7 @@ public: }; template <> -struct OperandTraits : FixedNumOperandTraits<2> { +struct OperandTraits : public FixedNumOperandTraits<2> { }; template @@ -1767,7 +1678,7 @@ InsertValueInst::InsertValueInst(Value *Agg, Value *Val, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, + const Twine &NameStr, Instruction *InsertBefore) : Instruction(Agg->getType(), InsertValue, OperandTraits::op_begin(this), @@ -1780,7 +1691,7 @@ InsertValueInst::InsertValueInst(Value *Agg, Value *Val, InputIterator IdxBegin, InputIterator IdxEnd, - const std::string &NameStr, + const Twine &NameStr, BasicBlock *InsertAtEnd) : Instruction(Agg->getType(), InsertValue, OperandTraits::op_begin(this), @@ -1809,24 +1720,26 @@ class PHINode : public Instruction { void *operator new(size_t s) { return User::operator new(s, 0); } - explicit PHINode(const Type *Ty, const std::string &NameStr = "", + explicit PHINode(const Type *Ty, const Twine &NameStr = "", Instruction *InsertBefore = 0) : Instruction(Ty, Instruction::PHI, 0, 0, InsertBefore), ReservedSpace(0) { setName(NameStr); } - PHINode(const Type *Ty, const std::string &NameStr, BasicBlock *InsertAtEnd) + PHINode(const Type *Ty, const Twine &NameStr, BasicBlock *InsertAtEnd) : Instruction(Ty, Instruction::PHI, 0, 0, InsertAtEnd), ReservedSpace(0) { setName(NameStr); } +protected: + virtual PHINode *clone_impl() const; public: - static PHINode *Create(const Type *Ty, const std::string &NameStr = "", + static PHINode *Create(const Type *Ty, const Twine &NameStr = "", Instruction *InsertBefore = 0) { return new PHINode(Ty, NameStr, InsertBefore); } - static PHINode *Create(const Type *Ty, const std::string &NameStr, + static PHINode *Create(const Type *Ty, const Twine &NameStr, BasicBlock *InsertAtEnd) { return new PHINode(Ty, NameStr, InsertAtEnd); } @@ -1840,8 +1753,6 @@ public: resizeOperands(NumValues*2); } - virtual PHINode *clone(LLVMContext &Context) const; - /// Provide fast operand accessors DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); @@ -1867,21 +1778,31 @@ public: return i/2; } + /// getIncomingBlock - Return incoming basic block #i. + /// + BasicBlock *getIncomingBlock(unsigned i) const { + return cast(getOperand(i*2+1)); + } + /// getIncomingBlock - Return incoming basic block corresponding - /// to value use iterator + /// to an operand of the PHI. /// - template - BasicBlock *getIncomingBlock(value_use_iterator I) const { - assert(this == *I && "Iterator doesn't point to PHI's Uses?"); - return static_cast((&I.getUse() + 1)->get()); + BasicBlock *getIncomingBlock(const Use &U) const { + assert(this == U.getUser() && "Iterator doesn't point to PHI's Uses?"); + return cast((&U + 1)->get()); } - /// getIncomingBlock - Return incoming basic block number x + + /// getIncomingBlock - Return incoming basic block corresponding + /// to value use iterator. /// - BasicBlock *getIncomingBlock(unsigned i) const { - return static_cast(getOperand(i*2+1)); + template + BasicBlock *getIncomingBlock(value_use_iterator I) const { + return getIncomingBlock(I.getUse()); } + + void setIncomingBlock(unsigned i, BasicBlock *BB) { - setOperand(i*2+1, BB); + setOperand(i*2+1, (Value*)BB); } static unsigned getOperandNumForIncomingBlock(unsigned i) { return i*2+1; @@ -1904,7 +1825,7 @@ public: // Initialize some new operands. NumOperands = OpNo+2; OperandList[OpNo] = V; - OperandList[OpNo+1] = BB; + OperandList[OpNo+1] = (Value*)BB; } /// removeIncomingValue - Remove an incoming value. This is useful if a @@ -1929,7 +1850,7 @@ public: int getBasicBlockIndex(const BasicBlock *BB) const { Use *OL = OperandList; for (unsigned i = 0, e = getNumOperands(); i != e; i += 2) - if (OL[i+1].get() == BB) return i/2; + if (OL[i+1].get() == (const Value*)BB) return i/2; return -1; } @@ -1940,7 +1861,12 @@ public: /// hasConstantValue - If the specified PHI node always merges together the /// same value, return the value, otherwise return null. /// - Value *hasConstantValue(bool AllowNonDominatingInstruction = false) const; + /// If the PHI has undef operands, but all the rest of the operands are + /// some unique value, return that value if it can be proved that the + /// value dominates the PHI. If DT is null, use a conservative check, + /// otherwise use DT to test for dominance. + /// + Value *hasConstantValue(DominatorTree *DT = 0) const; /// Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const PHINode *) { return true; } @@ -1955,7 +1881,7 @@ public: }; template <> -struct OperandTraits : HungoffOperandTraits<2> { +struct OperandTraits : public HungoffOperandTraits<2> { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(PHINode, Value) @@ -1984,23 +1910,26 @@ private: // // NOTE: If the Value* passed is of type void then the constructor behaves as // if it was passed NULL. - explicit ReturnInst(Value *retVal = 0, Instruction *InsertBefore = 0); - ReturnInst(Value *retVal, BasicBlock *InsertAtEnd); - explicit ReturnInst(BasicBlock *InsertAtEnd); + explicit ReturnInst(LLVMContext &C, Value *retVal = 0, + Instruction *InsertBefore = 0); + ReturnInst(LLVMContext &C, Value *retVal, BasicBlock *InsertAtEnd); + explicit ReturnInst(LLVMContext &C, BasicBlock *InsertAtEnd); +protected: + virtual ReturnInst *clone_impl() const; public: - static ReturnInst* Create(Value *retVal = 0, Instruction *InsertBefore = 0) { - return new(!!retVal) ReturnInst(retVal, InsertBefore); + static ReturnInst* Create(LLVMContext &C, Value *retVal = 0, + Instruction *InsertBefore = 0) { + return new(!!retVal) ReturnInst(C, retVal, InsertBefore); } - static ReturnInst* Create(Value *retVal, BasicBlock *InsertAtEnd) { - return new(!!retVal) ReturnInst(retVal, InsertAtEnd); + static ReturnInst* Create(LLVMContext &C, Value *retVal, + BasicBlock *InsertAtEnd) { + return new(!!retVal) ReturnInst(C, retVal, InsertAtEnd); } - static ReturnInst* Create(BasicBlock *InsertAtEnd) { - return new(0) ReturnInst(InsertAtEnd); + static ReturnInst* Create(LLVMContext &C, BasicBlock *InsertAtEnd) { + return new(0) ReturnInst(C, InsertAtEnd); } virtual ~ReturnInst(); - virtual ReturnInst *clone(LLVMContext &Context) const; - /// Provide fast operand accessors DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); @@ -2028,7 +1957,7 @@ public: }; template <> -struct OperandTraits : OptionalOperandTraits<> { +struct OperandTraits : public OptionalOperandTraits<> { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ReturnInst, Value) @@ -2060,6 +1989,8 @@ class BranchInst : public TerminatorInst { BranchInst(BasicBlock *IfTrue, BasicBlock *InsertAtEnd); BranchInst(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *Cond, BasicBlock *InsertAtEnd); +protected: + virtual BranchInst *clone_impl() const; public: static BranchInst *Create(BasicBlock *IfTrue, Instruction *InsertBefore = 0) { return new(1, true) BranchInst(IfTrue, InsertBefore); @@ -2081,8 +2012,6 @@ public: /// Transparently provide more efficient getOperand methods. DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); - virtual BranchInst *clone(LLVMContext &Context) const; - bool isUnconditional() const { return getNumOperands() == 1; } bool isConditional() const { return getNumOperands() == 3; } @@ -2100,7 +2029,7 @@ public: // targeting the specified block. // FIXME: Eliminate this ugly method. void setUnconditionalDest(BasicBlock *Dest) { - Op<-1>() = Dest; + Op<-1>() = (Value*)Dest; if (isConditional()) { // Convert this to an uncond branch. Op<-2>() = 0; Op<-3>() = 0; @@ -2118,7 +2047,7 @@ public: void setSuccessor(unsigned idx, BasicBlock *NewSucc) { assert(idx < getNumSuccessors() && "Successor # out of range for Branch!"); - *(&Op<-1>() - idx) = NewSucc; + *(&Op<-1>() - idx) = (Value*)NewSucc; } // Methods for support type inquiry through isa, cast, and dyn_cast: @@ -2136,7 +2065,7 @@ private: }; template <> -struct OperandTraits : VariadicOperandTraits<1> {}; +struct OperandTraits : public VariadicOperandTraits<1> {}; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(BranchInst, Value) @@ -2154,7 +2083,7 @@ class SwitchInst : public TerminatorInst { // Operand[1] = Default basic block destination // Operand[2n ] = Value to match // Operand[2n+1] = BasicBlock to go to on match - SwitchInst(const SwitchInst &RI); + SwitchInst(const SwitchInst &SI); void init(Value *Value, BasicBlock *Default, unsigned NumCases); void resizeOperands(unsigned No); // allocate space for exactly zero operands @@ -2166,7 +2095,7 @@ class SwitchInst : public TerminatorInst { /// be specified here to make memory allocation more efficient. This /// constructor can also autoinsert before another instruction. SwitchInst(Value *Value, BasicBlock *Default, unsigned NumCases, - Instruction *InsertBefore = 0); + Instruction *InsertBefore); /// SwitchInst ctor - Create a new switch instruction, specifying a value to /// switch on and a default destination. The number of additional cases can @@ -2174,6 +2103,8 @@ class SwitchInst : public TerminatorInst { /// constructor also autoinserts at the end of the specified BasicBlock. SwitchInst(Value *Value, BasicBlock *Default, unsigned NumCases, BasicBlock *InsertAtEnd); +protected: + virtual SwitchInst *clone_impl() const; public: static SwitchInst *Create(Value *Value, BasicBlock *Default, unsigned NumCases, Instruction *InsertBefore = 0) { @@ -2251,8 +2182,6 @@ public: /// void removeCase(unsigned idx); - virtual SwitchInst *clone(LLVMContext &Context) const; - unsigned getNumSuccessors() const { return getNumOperands()/2; } BasicBlock *getSuccessor(unsigned idx) const { assert(idx < getNumSuccessors() &&"Successor idx out of range for switch!"); @@ -2260,7 +2189,7 @@ public: } void setSuccessor(unsigned idx, BasicBlock *NewSucc) { assert(idx < getNumSuccessors() && "Successor # out of range for switch!"); - setOperand(idx*2+1, NewSucc); + setOperand(idx*2+1, (Value*)NewSucc); } // getSuccessorValue - Return the value associated with the specified @@ -2285,12 +2214,111 @@ private: }; template <> -struct OperandTraits : HungoffOperandTraits<2> { +struct OperandTraits : public HungoffOperandTraits<2> { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(SwitchInst, Value) +//===----------------------------------------------------------------------===// +// IndirectBrInst Class +//===----------------------------------------------------------------------===// + +//===--------------------------------------------------------------------------- +/// IndirectBrInst - Indirect Branch Instruction. +/// +class IndirectBrInst : public TerminatorInst { + void *operator new(size_t, unsigned); // DO NOT IMPLEMENT + unsigned ReservedSpace; + // Operand[0] = Value to switch on + // Operand[1] = Default basic block destination + // Operand[2n ] = Value to match + // Operand[2n+1] = BasicBlock to go to on match + IndirectBrInst(const IndirectBrInst &IBI); + void init(Value *Address, unsigned NumDests); + void resizeOperands(unsigned No); + // allocate space for exactly zero operands + void *operator new(size_t s) { + return User::operator new(s, 0); + } + /// IndirectBrInst ctor - Create a new indirectbr instruction, specifying an + /// Address to jump to. The number of expected destinations can be specified + /// here to make memory allocation more efficient. This constructor can also + /// autoinsert before another instruction. + IndirectBrInst(Value *Address, unsigned NumDests, Instruction *InsertBefore); + + /// IndirectBrInst ctor - Create a new indirectbr instruction, specifying an + /// Address to jump to. The number of expected destinations can be specified + /// here to make memory allocation more efficient. This constructor also + /// autoinserts at the end of the specified BasicBlock. + IndirectBrInst(Value *Address, unsigned NumDests, BasicBlock *InsertAtEnd); +protected: + virtual IndirectBrInst *clone_impl() const; +public: + static IndirectBrInst *Create(Value *Address, unsigned NumDests, + Instruction *InsertBefore = 0) { + return new IndirectBrInst(Address, NumDests, InsertBefore); + } + static IndirectBrInst *Create(Value *Address, unsigned NumDests, + BasicBlock *InsertAtEnd) { + return new IndirectBrInst(Address, NumDests, InsertAtEnd); + } + ~IndirectBrInst(); + + /// Provide fast operand accessors. + DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); + + // Accessor Methods for IndirectBrInst instruction. + Value *getAddress() { return getOperand(0); } + const Value *getAddress() const { return getOperand(0); } + void setAddress(Value *V) { setOperand(0, V); } + + + /// getNumDestinations - return the number of possible destinations in this + /// indirectbr instruction. + unsigned getNumDestinations() const { return getNumOperands()-1; } + + /// getDestination - Return the specified destination. + BasicBlock *getDestination(unsigned i) { return getSuccessor(i); } + const BasicBlock *getDestination(unsigned i) const { return getSuccessor(i); } + + /// addDestination - Add a destination. + /// + void addDestination(BasicBlock *Dest); + + /// removeDestination - This method removes the specified successor from the + /// indirectbr instruction. + void removeDestination(unsigned i); + + unsigned getNumSuccessors() const { return getNumOperands()-1; } + BasicBlock *getSuccessor(unsigned i) const { + return cast(getOperand(i+1)); + } + void setSuccessor(unsigned i, BasicBlock *NewSucc) { + setOperand(i+1, (Value*)NewSucc); + } + + // Methods for support type inquiry through isa, cast, and dyn_cast: + static inline bool classof(const IndirectBrInst *) { return true; } + static inline bool classof(const Instruction *I) { + return I->getOpcode() == Instruction::IndirectBr; + } + static inline bool classof(const Value *V) { + return isa(V) && classof(cast(V)); + } +private: + virtual BasicBlock *getSuccessorV(unsigned idx) const; + virtual unsigned getNumSuccessorsV() const; + virtual void setSuccessorV(unsigned idx, BasicBlock *B); +}; + +template <> +struct OperandTraits : public HungoffOperandTraits<1> { +}; + +DEFINE_TRANSPARENT_OPERAND_ACCESSORS(IndirectBrInst, Value) + + //===----------------------------------------------------------------------===// // InvokeInst Class //===----------------------------------------------------------------------===// @@ -2307,7 +2335,7 @@ class InvokeInst : public TerminatorInst { template void init(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, InputIterator ArgBegin, InputIterator ArgEnd, - const std::string &NameStr, + const Twine &NameStr, // This argument ensures that we have an iterator we can // do arithmetic on in constant time std::random_access_iterator_tag) { @@ -2329,7 +2357,7 @@ class InvokeInst : public TerminatorInst { inline InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, InputIterator ArgBegin, InputIterator ArgEnd, unsigned Values, - const std::string &NameStr, Instruction *InsertBefore); + const Twine &NameStr, Instruction *InsertBefore); /// Construct an InvokeInst given a range of arguments. /// InputIterator must be a random-access iterator pointing to @@ -2342,13 +2370,15 @@ class InvokeInst : public TerminatorInst { inline InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, InputIterator ArgBegin, InputIterator ArgEnd, unsigned Values, - const std::string &NameStr, BasicBlock *InsertAtEnd); + const Twine &NameStr, BasicBlock *InsertAtEnd); +protected: + virtual InvokeInst *clone_impl() const; public: template static InvokeInst *Create(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, InputIterator ArgBegin, InputIterator ArgEnd, - const std::string &NameStr = "", + const Twine &NameStr = "", Instruction *InsertBefore = 0) { unsigned Values(ArgEnd - ArgBegin + 3); return new(Values) InvokeInst(Func, IfNormal, IfException, ArgBegin, ArgEnd, @@ -2358,23 +2388,23 @@ public: static InvokeInst *Create(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, InputIterator ArgBegin, InputIterator ArgEnd, - const std::string &NameStr, + const Twine &NameStr, BasicBlock *InsertAtEnd) { unsigned Values(ArgEnd - ArgBegin + 3); return new(Values) InvokeInst(Func, IfNormal, IfException, ArgBegin, ArgEnd, Values, NameStr, InsertAtEnd); } - virtual InvokeInst *clone(LLVMContext &Context) const; - /// Provide fast operand accessors DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); /// getCallingConv/setCallingConv - Get or set the calling convention of this /// function call. - unsigned getCallingConv() const { return SubclassData; } - void setCallingConv(unsigned CC) { - SubclassData = CC; + CallingConv::ID getCallingConv() const { + return static_cast(SubclassData); + } + void setCallingConv(CallingConv::ID CC) { + SubclassData = static_cast(CC); } /// getAttributes - Return the parameter attributes for this invoke. @@ -2401,7 +2431,7 @@ public: /// @brief Determine if the call does not access memory. bool doesNotAccessMemory() const { - return paramHasAttr(0, Attribute::ReadNone); + return paramHasAttr(~0, Attribute::ReadNone); } void setDoesNotAccessMemory(bool NotAccessMemory = true) { if (NotAccessMemory) addAttribute(~0, Attribute::ReadNone); @@ -2467,11 +2497,11 @@ public: return cast(getOperand(2)); } void setNormalDest(BasicBlock *B) { - setOperand(1, B); + setOperand(1, (Value*)B); } void setUnwindDest(BasicBlock *B) { - setOperand(2, B); + setOperand(2, (Value*)B); } BasicBlock *getSuccessor(unsigned i) const { @@ -2481,7 +2511,7 @@ public: void setSuccessor(unsigned idx, BasicBlock *NewSucc) { assert(idx < 2 && "Successor # out of range for invoke!"); - setOperand(idx+1, NewSucc); + setOperand(idx+1, (Value*)NewSucc); } unsigned getNumSuccessors() const { return 2; } @@ -2501,7 +2531,7 @@ private: }; template <> -struct OperandTraits : VariadicOperandTraits<3> { +struct OperandTraits : public VariadicOperandTraits<3> { }; template @@ -2509,7 +2539,7 @@ InvokeInst::InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, InputIterator ArgBegin, InputIterator ArgEnd, unsigned Values, - const std::string &NameStr, Instruction *InsertBefore) + const Twine &NameStr, Instruction *InsertBefore) : TerminatorInst(cast(cast(Func->getType()) ->getElementType())->getReturnType(), Instruction::Invoke, @@ -2523,7 +2553,7 @@ InvokeInst::InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, InputIterator ArgBegin, InputIterator ArgEnd, unsigned Values, - const std::string &NameStr, BasicBlock *InsertAtEnd) + const Twine &NameStr, BasicBlock *InsertAtEnd) : TerminatorInst(cast(cast(Func->getType()) ->getElementType())->getReturnType(), Instruction::Invoke, @@ -2545,15 +2575,15 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InvokeInst, Value) /// class UnwindInst : public TerminatorInst { void *operator new(size_t, unsigned); // DO NOT IMPLEMENT +protected: + virtual UnwindInst *clone_impl() const; public: // allocate space for exactly zero operands void *operator new(size_t s) { return User::operator new(s, 0); } - explicit UnwindInst(Instruction *InsertBefore = 0); - explicit UnwindInst(BasicBlock *InsertAtEnd); - - virtual UnwindInst *clone(LLVMContext &Context) const; + explicit UnwindInst(LLVMContext &C, Instruction *InsertBefore = 0); + explicit UnwindInst(LLVMContext &C, BasicBlock *InsertAtEnd); unsigned getNumSuccessors() const { return 0; } @@ -2582,15 +2612,16 @@ private: /// class UnreachableInst : public TerminatorInst { void *operator new(size_t, unsigned); // DO NOT IMPLEMENT +protected: + virtual UnreachableInst *clone_impl() const; + public: // allocate space for exactly zero operands void *operator new(size_t s) { return User::operator new(s, 0); } - explicit UnreachableInst(Instruction *InsertBefore = 0); - explicit UnreachableInst(BasicBlock *InsertAtEnd); - - virtual UnreachableInst *clone(LLVMContext &Context) const; + explicit UnreachableInst(LLVMContext &C, Instruction *InsertBefore = 0); + explicit UnreachableInst(LLVMContext &C, BasicBlock *InsertAtEnd); unsigned getNumSuccessors() const { return 0; } @@ -2614,16 +2645,16 @@ private: /// @brief This class represents a truncation of integer types. class TruncInst : public CastInst { - /// Private copy constructor - TruncInst(const TruncInst &CI) - : CastInst(CI.getType(), Trunc, CI.getOperand(0)) { - } +protected: + /// @brief Clone an identical TruncInst + virtual TruncInst *clone_impl() const; + public: /// @brief Constructor with insert-before-instruction semantics TruncInst( Value *S, ///< The value to be truncated const Type *Ty, ///< The (smaller) type to truncate to - const std::string &NameStr = "", ///< A name for the new instruction + const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); @@ -2631,13 +2662,10 @@ public: TruncInst( Value *S, ///< The value to be truncated const Type *Ty, ///< The (smaller) type to truncate to - const std::string &NameStr, ///< A name for the new instruction + const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Clone an identical TruncInst - virtual CastInst *clone(LLVMContext &Context) const; - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const TruncInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -2654,16 +2682,16 @@ public: /// @brief This class represents zero extension of integer types. class ZExtInst : public CastInst { - /// @brief Private copy constructor - ZExtInst(const ZExtInst &CI) - : CastInst(CI.getType(), ZExt, CI.getOperand(0)) { - } +protected: + /// @brief Clone an identical ZExtInst + virtual ZExtInst *clone_impl() const; + public: /// @brief Constructor with insert-before-instruction semantics ZExtInst( Value *S, ///< The value to be zero extended const Type *Ty, ///< The type to zero extend to - const std::string &NameStr = "", ///< A name for the new instruction + const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); @@ -2671,13 +2699,10 @@ public: ZExtInst( Value *S, ///< The value to be zero extended const Type *Ty, ///< The type to zero extend to - const std::string &NameStr, ///< A name for the new instruction + const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Clone an identical ZExtInst - virtual CastInst *clone(LLVMContext &Context) const; - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const ZExtInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -2694,16 +2719,16 @@ public: /// @brief This class represents a sign extension of integer types. class SExtInst : public CastInst { - /// @brief Private copy constructor - SExtInst(const SExtInst &CI) - : CastInst(CI.getType(), SExt, CI.getOperand(0)) { - } +protected: + /// @brief Clone an identical SExtInst + virtual SExtInst *clone_impl() const; + public: /// @brief Constructor with insert-before-instruction semantics SExtInst( Value *S, ///< The value to be sign extended const Type *Ty, ///< The type to sign extend to - const std::string &NameStr = "", ///< A name for the new instruction + const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); @@ -2711,13 +2736,10 @@ public: SExtInst( Value *S, ///< The value to be sign extended const Type *Ty, ///< The type to sign extend to - const std::string &NameStr, ///< A name for the new instruction + const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Clone an identical SExtInst - virtual CastInst *clone(LLVMContext &Context) const; - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const SExtInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -2734,15 +2756,16 @@ public: /// @brief This class represents a truncation of floating point types. class FPTruncInst : public CastInst { - FPTruncInst(const FPTruncInst &CI) - : CastInst(CI.getType(), FPTrunc, CI.getOperand(0)) { - } +protected: + /// @brief Clone an identical FPTruncInst + virtual FPTruncInst *clone_impl() const; + public: /// @brief Constructor with insert-before-instruction semantics FPTruncInst( Value *S, ///< The value to be truncated const Type *Ty, ///< The type to truncate to - const std::string &NameStr = "", ///< A name for the new instruction + const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); @@ -2750,13 +2773,10 @@ public: FPTruncInst( Value *S, ///< The value to be truncated const Type *Ty, ///< The type to truncate to - const std::string &NameStr, ///< A name for the new instruction + const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Clone an identical FPTruncInst - virtual CastInst *clone(LLVMContext &Context) const; - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const FPTruncInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -2773,15 +2793,16 @@ public: /// @brief This class represents an extension of floating point types. class FPExtInst : public CastInst { - FPExtInst(const FPExtInst &CI) - : CastInst(CI.getType(), FPExt, CI.getOperand(0)) { - } +protected: + /// @brief Clone an identical FPExtInst + virtual FPExtInst *clone_impl() const; + public: /// @brief Constructor with insert-before-instruction semantics FPExtInst( Value *S, ///< The value to be extended const Type *Ty, ///< The type to extend to - const std::string &NameStr = "", ///< A name for the new instruction + const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); @@ -2789,13 +2810,10 @@ public: FPExtInst( Value *S, ///< The value to be extended const Type *Ty, ///< The type to extend to - const std::string &NameStr, ///< A name for the new instruction + const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Clone an identical FPExtInst - virtual CastInst *clone(LLVMContext &Context) const; - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const FPExtInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -2812,15 +2830,16 @@ public: /// @brief This class represents a cast unsigned integer to floating point. class UIToFPInst : public CastInst { - UIToFPInst(const UIToFPInst &CI) - : CastInst(CI.getType(), UIToFP, CI.getOperand(0)) { - } +protected: + /// @brief Clone an identical UIToFPInst + virtual UIToFPInst *clone_impl() const; + public: /// @brief Constructor with insert-before-instruction semantics UIToFPInst( Value *S, ///< The value to be converted const Type *Ty, ///< The type to convert to - const std::string &NameStr = "", ///< A name for the new instruction + const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); @@ -2828,13 +2847,10 @@ public: UIToFPInst( Value *S, ///< The value to be converted const Type *Ty, ///< The type to convert to - const std::string &NameStr, ///< A name for the new instruction + const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Clone an identical UIToFPInst - virtual CastInst *clone(LLVMContext &Context) const; - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const UIToFPInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -2851,15 +2867,16 @@ public: /// @brief This class represents a cast from signed integer to floating point. class SIToFPInst : public CastInst { - SIToFPInst(const SIToFPInst &CI) - : CastInst(CI.getType(), SIToFP, CI.getOperand(0)) { - } +protected: + /// @brief Clone an identical SIToFPInst + virtual SIToFPInst *clone_impl() const; + public: /// @brief Constructor with insert-before-instruction semantics SIToFPInst( Value *S, ///< The value to be converted const Type *Ty, ///< The type to convert to - const std::string &NameStr = "", ///< A name for the new instruction + const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); @@ -2867,13 +2884,10 @@ public: SIToFPInst( Value *S, ///< The value to be converted const Type *Ty, ///< The type to convert to - const std::string &NameStr, ///< A name for the new instruction + const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Clone an identical SIToFPInst - virtual CastInst *clone(LLVMContext &Context) const; - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const SIToFPInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -2890,15 +2904,16 @@ public: /// @brief This class represents a cast from floating point to unsigned integer class FPToUIInst : public CastInst { - FPToUIInst(const FPToUIInst &CI) - : CastInst(CI.getType(), FPToUI, CI.getOperand(0)) { - } +protected: + /// @brief Clone an identical FPToUIInst + virtual FPToUIInst *clone_impl() const; + public: /// @brief Constructor with insert-before-instruction semantics FPToUIInst( Value *S, ///< The value to be converted const Type *Ty, ///< The type to convert to - const std::string &NameStr = "", ///< A name for the new instruction + const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); @@ -2906,13 +2921,10 @@ public: FPToUIInst( Value *S, ///< The value to be converted const Type *Ty, ///< The type to convert to - const std::string &NameStr, ///< A name for the new instruction + const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< Where to insert the new instruction ); - /// @brief Clone an identical FPToUIInst - virtual CastInst *clone(LLVMContext &Context) const; - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const FPToUIInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -2929,15 +2941,16 @@ public: /// @brief This class represents a cast from floating point to signed integer. class FPToSIInst : public CastInst { - FPToSIInst(const FPToSIInst &CI) - : CastInst(CI.getType(), FPToSI, CI.getOperand(0)) { - } +protected: + /// @brief Clone an identical FPToSIInst + virtual FPToSIInst *clone_impl() const; + public: /// @brief Constructor with insert-before-instruction semantics FPToSIInst( Value *S, ///< The value to be converted const Type *Ty, ///< The type to convert to - const std::string &NameStr = "", ///< A name for the new instruction + const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); @@ -2945,13 +2958,10 @@ public: FPToSIInst( Value *S, ///< The value to be converted const Type *Ty, ///< The type to convert to - const std::string &NameStr, ///< A name for the new instruction + const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Clone an identical FPToSIInst - virtual CastInst *clone(LLVMContext &Context) const; - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const FPToSIInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -2968,15 +2978,12 @@ public: /// @brief This class represents a cast from an integer to a pointer. class IntToPtrInst : public CastInst { - IntToPtrInst(const IntToPtrInst &CI) - : CastInst(CI.getType(), IntToPtr, CI.getOperand(0)) { - } public: /// @brief Constructor with insert-before-instruction semantics IntToPtrInst( Value *S, ///< The value to be converted const Type *Ty, ///< The type to convert to - const std::string &NameStr = "", ///< A name for the new instruction + const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); @@ -2984,12 +2991,12 @@ public: IntToPtrInst( Value *S, ///< The value to be converted const Type *Ty, ///< The type to convert to - const std::string &NameStr, ///< A name for the new instruction + const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); /// @brief Clone an identical IntToPtrInst - virtual CastInst *clone(LLVMContext &Context) const; + virtual IntToPtrInst *clone_impl() const; // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const IntToPtrInst *) { return true; } @@ -3007,15 +3014,16 @@ public: /// @brief This class represents a cast from a pointer to an integer class PtrToIntInst : public CastInst { - PtrToIntInst(const PtrToIntInst &CI) - : CastInst(CI.getType(), PtrToInt, CI.getOperand(0)) { - } +protected: + /// @brief Clone an identical PtrToIntInst + virtual PtrToIntInst *clone_impl() const; + public: /// @brief Constructor with insert-before-instruction semantics PtrToIntInst( Value *S, ///< The value to be converted const Type *Ty, ///< The type to convert to - const std::string &NameStr = "", ///< A name for the new instruction + const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); @@ -3023,13 +3031,10 @@ public: PtrToIntInst( Value *S, ///< The value to be converted const Type *Ty, ///< The type to convert to - const std::string &NameStr, ///< A name for the new instruction + const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Clone an identical PtrToIntInst - virtual CastInst *clone(LLVMContext &Context) const; - // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const PtrToIntInst *) { return true; } static inline bool classof(const Instruction *I) { @@ -3046,15 +3051,16 @@ public: /// @brief This class represents a no-op cast from one type to another. class BitCastInst : public CastInst { - BitCastInst(const BitCastInst &CI) - : CastInst(CI.getType(), BitCast, CI.getOperand(0)) { - } +protected: + /// @brief Clone an identical BitCastInst + virtual BitCastInst *clone_impl() const; + public: /// @brief Constructor with insert-before-instruction semantics BitCastInst( Value *S, ///< The value to be casted const Type *Ty, ///< The type to casted to - const std::string &NameStr = "", ///< A name for the new instruction + const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); @@ -3062,13 +3068,10 @@ public: BitCastInst( Value *S, ///< The value to be casted const Type *Ty, ///< The type to casted to - const std::string &NameStr, ///< A name for the new instruction + const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Clone an identical BitCastInst - virtual CastInst *clone(LLVMContext &Context) const; - // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const BitCastInst *) { return true; } static inline bool classof(const Instruction *I) {