X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FInstructions.h;h=69593b48c1f16ce55ac52441859132c883b97d35;hb=9992bf75fce8a2917c43fd4af299c72a40809056;hp=7a53c429a14c6af366874f5e8dc39540430af9f0;hpb=8e3914d12e939d7c686bd121b0e2b2d39ed126d2;p=oota-llvm.git diff --git a/include/llvm/Instructions.h b/include/llvm/Instructions.h index 7a53c429a14..69593b48c1f 100644 --- a/include/llvm/Instructions.h +++ b/include/llvm/Instructions.h @@ -20,7 +20,11 @@ #include "llvm/DerivedTypes.h" #include "llvm/Attributes.h" #include "llvm/CallingConv.h" +#include "llvm/Support/IntegersSubset.h" +#include "llvm/Support/IntegersSubsetMapping.h" +#include "llvm/ADT/ArrayRef.h" #include "llvm/ADT/SmallVector.h" +#include "llvm/Support/ErrorHandling.h" #include namespace llvm { @@ -30,6 +34,22 @@ class ConstantRange; class APInt; class LLVMContext; +enum AtomicOrdering { + NotAtomic = 0, + Unordered = 1, + Monotonic = 2, + // Consume = 3, // Not specified yet. + Acquire = 4, + Release = 5, + AcquireRelease = 6, + SequentiallyConsistent = 7 +}; + +enum SynchronizationScope { + SingleThread = 0, + CrossThread = 1 +}; + //===----------------------------------------------------------------------===// // AllocaInst Class //===----------------------------------------------------------------------===// @@ -40,17 +60,17 @@ class AllocaInst : public UnaryInstruction { protected: virtual AllocaInst *clone_impl() const; public: - explicit AllocaInst(const Type *Ty, Value *ArraySize = 0, + explicit AllocaInst(Type *Ty, Value *ArraySize = 0, const Twine &Name = "", Instruction *InsertBefore = 0); - AllocaInst(const Type *Ty, Value *ArraySize, + AllocaInst(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(Type *Ty, const Twine &Name, Instruction *InsertBefore = 0); + AllocaInst(Type *Ty, const Twine &Name, BasicBlock *InsertAtEnd); - AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align, + AllocaInst(Type *Ty, Value *ArraySize, unsigned Align, const Twine &Name = "", Instruction *InsertBefore = 0); - AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align, + AllocaInst(Type *Ty, Value *ArraySize, unsigned Align, const Twine &Name, BasicBlock *InsertAtEnd); // Out of line virtual method, so the vtable, etc. has a home. @@ -69,14 +89,14 @@ public: /// getType - Overload to return most specific pointer type /// - const PointerType *getType() const { - return reinterpret_cast(Instruction::getType()); + PointerType *getType() const { + return reinterpret_cast(Instruction::getType()); } /// getAllocatedType - Return the type that is being allocated by the /// instruction. /// - const Type *getAllocatedType() const; + Type *getAllocatedType() const; /// getAlignment - Return the alignment of the memory that is being allocated /// by the instruction. @@ -92,7 +112,6 @@ public: bool isStaticAlloca() const; // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const AllocaInst *) { return true; } static inline bool classof(const Instruction *I) { return (I->getOpcode() == Instruction::Alloca); } @@ -124,12 +143,20 @@ public: LoadInst(Value *Ptr, const Twine &NameStr, BasicBlock *InsertAtEnd); LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile = false, Instruction *InsertBefore = 0); - LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile, - unsigned Align, Instruction *InsertBefore = 0); LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile, BasicBlock *InsertAtEnd); + LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile, + unsigned Align, Instruction *InsertBefore = 0); LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile, unsigned Align, BasicBlock *InsertAtEnd); + LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile, + unsigned Align, AtomicOrdering Order, + SynchronizationScope SynchScope = CrossThread, + Instruction *InsertBefore = 0); + LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile, + unsigned Align, AtomicOrdering Order, + SynchronizationScope SynchScope, + BasicBlock *InsertAtEnd); LoadInst(Value *Ptr, const char *NameStr, Instruction *InsertBefore); LoadInst(Value *Ptr, const char *NameStr, BasicBlock *InsertAtEnd); @@ -153,22 +180,58 @@ public: /// getAlignment - Return the alignment of the access that is being performed /// unsigned getAlignment() const { - return (1 << (getSubclassDataFromInstruction() >> 1)) >> 1; + return (1 << ((getSubclassDataFromInstruction() >> 1) & 31)) >> 1; } void setAlignment(unsigned Align); + /// Returns the ordering effect of this fence. + AtomicOrdering getOrdering() const { + return AtomicOrdering((getSubclassDataFromInstruction() >> 7) & 7); + } + + /// Set the ordering constraint on this load. May not be Release or + /// AcquireRelease. + void setOrdering(AtomicOrdering Ordering) { + setInstructionSubclassData((getSubclassDataFromInstruction() & ~(7 << 7)) | + (Ordering << 7)); + } + + SynchronizationScope getSynchScope() const { + return SynchronizationScope((getSubclassDataFromInstruction() >> 6) & 1); + } + + /// Specify whether this load is ordered with respect to all + /// concurrently executing threads, or only with respect to signal handlers + /// executing in the same thread. + void setSynchScope(SynchronizationScope xthread) { + setInstructionSubclassData((getSubclassDataFromInstruction() & ~(1 << 6)) | + (xthread << 6)); + } + + bool isAtomic() const { return getOrdering() != NotAtomic; } + void setAtomic(AtomicOrdering Ordering, + SynchronizationScope SynchScope = CrossThread) { + setOrdering(Ordering); + setSynchScope(SynchScope); + } + + bool isSimple() const { return !isAtomic() && !isVolatile(); } + bool isUnordered() const { + return getOrdering() <= Unordered && !isVolatile(); + } + Value *getPointerOperand() { return getOperand(0); } const Value *getPointerOperand() const { return getOperand(0); } static unsigned getPointerOperandIndex() { return 0U; } + /// \brief Returns the address space of the pointer operand. unsigned getPointerAddressSpace() const { - return cast(getPointerOperand()->getType())->getAddressSpace(); + return getPointerOperand()->getType()->getPointerAddressSpace(); } // 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) { return I->getOpcode() == Instruction::Load; } @@ -191,7 +254,7 @@ private: /// StoreInst - an instruction for storing to memory /// class StoreInst : public Instruction { - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; void AssertOK(); protected: virtual StoreInst *clone_impl() const; @@ -204,19 +267,27 @@ public: StoreInst(Value *Val, Value *Ptr, BasicBlock *InsertAtEnd); StoreInst(Value *Val, Value *Ptr, bool isVolatile = false, Instruction *InsertBefore = 0); + StoreInst(Value *Val, Value *Ptr, bool isVolatile, BasicBlock *InsertAtEnd); StoreInst(Value *Val, Value *Ptr, bool isVolatile, unsigned Align, Instruction *InsertBefore = 0); - StoreInst(Value *Val, Value *Ptr, bool isVolatile, BasicBlock *InsertAtEnd); StoreInst(Value *Val, Value *Ptr, bool isVolatile, unsigned Align, BasicBlock *InsertAtEnd); + StoreInst(Value *Val, Value *Ptr, bool isVolatile, + unsigned Align, AtomicOrdering Order, + SynchronizationScope SynchScope = CrossThread, + Instruction *InsertBefore = 0); + StoreInst(Value *Val, Value *Ptr, bool isVolatile, + unsigned Align, AtomicOrdering Order, + SynchronizationScope SynchScope, + BasicBlock *InsertAtEnd); + - - /// isVolatile - Return true if this is a load from a volatile memory + /// isVolatile - Return true if this is a store to a volatile memory /// location. /// bool isVolatile() const { return getSubclassDataFromInstruction() & 1; } - /// setVolatile - Specify whether this is a volatile load or not. + /// setVolatile - Specify whether this is a volatile store or not. /// void setVolatile(bool V) { setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) | @@ -229,11 +300,47 @@ public: /// getAlignment - Return the alignment of the access that is being performed /// unsigned getAlignment() const { - return (1 << (getSubclassDataFromInstruction() >> 1)) >> 1; + return (1 << ((getSubclassDataFromInstruction() >> 1) & 31)) >> 1; } void setAlignment(unsigned Align); + /// Returns the ordering effect of this store. + AtomicOrdering getOrdering() const { + return AtomicOrdering((getSubclassDataFromInstruction() >> 7) & 7); + } + + /// Set the ordering constraint on this store. May not be Acquire or + /// AcquireRelease. + void setOrdering(AtomicOrdering Ordering) { + setInstructionSubclassData((getSubclassDataFromInstruction() & ~(7 << 7)) | + (Ordering << 7)); + } + + SynchronizationScope getSynchScope() const { + return SynchronizationScope((getSubclassDataFromInstruction() >> 6) & 1); + } + + /// Specify whether this store instruction is ordered with respect to all + /// concurrently executing threads, or only with respect to signal handlers + /// executing in the same thread. + void setSynchScope(SynchronizationScope xthread) { + setInstructionSubclassData((getSubclassDataFromInstruction() & ~(1 << 6)) | + (xthread << 6)); + } + + bool isAtomic() const { return getOrdering() != NotAtomic; } + void setAtomic(AtomicOrdering Ordering, + SynchronizationScope SynchScope = CrossThread) { + setOrdering(Ordering); + setSynchScope(SynchScope); + } + + bool isSimple() const { return !isAtomic() && !isVolatile(); } + bool isUnordered() const { + return getOrdering() <= Unordered && !isVolatile(); + } + Value *getValueOperand() { return getOperand(0); } const Value *getValueOperand() const { return getOperand(0); } @@ -241,12 +348,12 @@ public: const Value *getPointerOperand() const { return getOperand(1); } static unsigned getPointerOperandIndex() { return 1U; } + /// \brief Returns the address space of the pointer operand. unsigned getPointerAddressSpace() const { - return cast(getPointerOperand()->getType())->getAddressSpace(); + return getPointerOperand()->getType()->getPointerAddressSpace(); } // 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) { return I->getOpcode() == Instruction::Store; } @@ -262,19 +369,337 @@ private: }; template <> -struct OperandTraits : public FixedNumOperandTraits<2> { +struct OperandTraits : public FixedNumOperandTraits { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(StoreInst, Value) +//===----------------------------------------------------------------------===// +// FenceInst Class +//===----------------------------------------------------------------------===// + +/// FenceInst - an instruction for ordering other memory operations +/// +class FenceInst : public Instruction { + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; + void Init(AtomicOrdering Ordering, SynchronizationScope SynchScope); +protected: + virtual FenceInst *clone_impl() const; +public: + // allocate space for exactly zero operands + void *operator new(size_t s) { + return User::operator new(s, 0); + } + + // Ordering may only be Acquire, Release, AcquireRelease, or + // SequentiallyConsistent. + FenceInst(LLVMContext &C, AtomicOrdering Ordering, + SynchronizationScope SynchScope = CrossThread, + Instruction *InsertBefore = 0); + FenceInst(LLVMContext &C, AtomicOrdering Ordering, + SynchronizationScope SynchScope, + BasicBlock *InsertAtEnd); + + /// Returns the ordering effect of this fence. + AtomicOrdering getOrdering() const { + return AtomicOrdering(getSubclassDataFromInstruction() >> 1); + } + + /// Set the ordering constraint on this fence. May only be Acquire, Release, + /// AcquireRelease, or SequentiallyConsistent. + void setOrdering(AtomicOrdering Ordering) { + setInstructionSubclassData((getSubclassDataFromInstruction() & 1) | + (Ordering << 1)); + } + + SynchronizationScope getSynchScope() const { + return SynchronizationScope(getSubclassDataFromInstruction() & 1); + } + + /// Specify whether this fence orders other operations with respect to all + /// concurrently executing threads, or only with respect to signal handlers + /// executing in the same thread. + void setSynchScope(SynchronizationScope xthread) { + setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) | + xthread); + } + + // Methods for support type inquiry through isa, cast, and dyn_cast: + static inline bool classof(const Instruction *I) { + return I->getOpcode() == Instruction::Fence; + } + static inline bool classof(const Value *V) { + return isa(V) && classof(cast(V)); + } +private: + // Shadow Instruction::setInstructionSubclassData with a private forwarding + // method so that subclasses cannot accidentally use it. + void setInstructionSubclassData(unsigned short D) { + Instruction::setInstructionSubclassData(D); + } +}; + +//===----------------------------------------------------------------------===// +// AtomicCmpXchgInst Class +//===----------------------------------------------------------------------===// + +/// AtomicCmpXchgInst - an instruction that atomically checks whether a +/// specified value is in a memory location, and, if it is, stores a new value +/// there. Returns the value that was loaded. +/// +class AtomicCmpXchgInst : public Instruction { + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; + void Init(Value *Ptr, Value *Cmp, Value *NewVal, + AtomicOrdering Ordering, SynchronizationScope SynchScope); +protected: + virtual AtomicCmpXchgInst *clone_impl() const; +public: + // allocate space for exactly three operands + void *operator new(size_t s) { + return User::operator new(s, 3); + } + AtomicCmpXchgInst(Value *Ptr, Value *Cmp, Value *NewVal, + AtomicOrdering Ordering, SynchronizationScope SynchScope, + Instruction *InsertBefore = 0); + AtomicCmpXchgInst(Value *Ptr, Value *Cmp, Value *NewVal, + AtomicOrdering Ordering, SynchronizationScope SynchScope, + BasicBlock *InsertAtEnd); + + /// isVolatile - Return true if this is a cmpxchg from a volatile memory + /// location. + /// + bool isVolatile() const { + return getSubclassDataFromInstruction() & 1; + } + + /// setVolatile - Specify whether this is a volatile cmpxchg. + /// + void setVolatile(bool V) { + setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) | + (unsigned)V); + } + + /// Transparently provide more efficient getOperand methods. + DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); + + /// Set the ordering constraint on this cmpxchg. + void setOrdering(AtomicOrdering Ordering) { + assert(Ordering != NotAtomic && + "CmpXchg instructions can only be atomic."); + setInstructionSubclassData((getSubclassDataFromInstruction() & 3) | + (Ordering << 2)); + } + + /// Specify whether this cmpxchg is atomic and orders other operations with + /// respect to all concurrently executing threads, or only with respect to + /// signal handlers executing in the same thread. + void setSynchScope(SynchronizationScope SynchScope) { + setInstructionSubclassData((getSubclassDataFromInstruction() & ~2) | + (SynchScope << 1)); + } + + /// Returns the ordering constraint on this cmpxchg. + AtomicOrdering getOrdering() const { + return AtomicOrdering(getSubclassDataFromInstruction() >> 2); + } + + /// Returns whether this cmpxchg is atomic between threads or only within a + /// single thread. + SynchronizationScope getSynchScope() const { + return SynchronizationScope((getSubclassDataFromInstruction() & 2) >> 1); + } + + Value *getPointerOperand() { return getOperand(0); } + const Value *getPointerOperand() const { return getOperand(0); } + static unsigned getPointerOperandIndex() { return 0U; } + + Value *getCompareOperand() { return getOperand(1); } + const Value *getCompareOperand() const { return getOperand(1); } + + Value *getNewValOperand() { return getOperand(2); } + const Value *getNewValOperand() const { return getOperand(2); } + + /// \brief Returns the address space of the pointer operand. + unsigned getPointerAddressSpace() const { + return getPointerOperand()->getType()->getPointerAddressSpace(); + } + + // Methods for support type inquiry through isa, cast, and dyn_cast: + static inline bool classof(const Instruction *I) { + return I->getOpcode() == Instruction::AtomicCmpXchg; + } + static inline bool classof(const Value *V) { + return isa(V) && classof(cast(V)); + } +private: + // Shadow Instruction::setInstructionSubclassData with a private forwarding + // method so that subclasses cannot accidentally use it. + void setInstructionSubclassData(unsigned short D) { + Instruction::setInstructionSubclassData(D); + } +}; + +template <> +struct OperandTraits : + public FixedNumOperandTraits { +}; + +DEFINE_TRANSPARENT_OPERAND_ACCESSORS(AtomicCmpXchgInst, Value) + +//===----------------------------------------------------------------------===// +// AtomicRMWInst Class +//===----------------------------------------------------------------------===// + +/// AtomicRMWInst - an instruction that atomically reads a memory location, +/// combines it with another value, and then stores the result back. Returns +/// the old value. +/// +class AtomicRMWInst : public Instruction { + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; +protected: + virtual AtomicRMWInst *clone_impl() const; +public: + /// This enumeration lists the possible modifications atomicrmw can make. In + /// the descriptions, 'p' is the pointer to the instruction's memory location, + /// 'old' is the initial value of *p, and 'v' is the other value passed to the + /// instruction. These instructions always return 'old'. + enum BinOp { + /// *p = v + Xchg, + /// *p = old + v + Add, + /// *p = old - v + Sub, + /// *p = old & v + And, + /// *p = ~old & v + Nand, + /// *p = old | v + Or, + /// *p = old ^ v + Xor, + /// *p = old >signed v ? old : v + Max, + /// *p = old unsigned v ? old : v + UMax, + /// *p = old (getSubclassDataFromInstruction() >> 5); + } + + void setOperation(BinOp Operation) { + unsigned short SubclassData = getSubclassDataFromInstruction(); + setInstructionSubclassData((SubclassData & 31) | + (Operation << 5)); + } + + /// isVolatile - Return true if this is a RMW on a volatile memory location. + /// + bool isVolatile() const { + return getSubclassDataFromInstruction() & 1; + } + + /// setVolatile - Specify whether this is a volatile RMW or not. + /// + void setVolatile(bool V) { + setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) | + (unsigned)V); + } + + /// Transparently provide more efficient getOperand methods. + DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); + + /// Set the ordering constraint on this RMW. + void setOrdering(AtomicOrdering Ordering) { + assert(Ordering != NotAtomic && + "atomicrmw instructions can only be atomic."); + setInstructionSubclassData((getSubclassDataFromInstruction() & ~(7 << 2)) | + (Ordering << 2)); + } + + /// Specify whether this RMW orders other operations with respect to all + /// concurrently executing threads, or only with respect to signal handlers + /// executing in the same thread. + void setSynchScope(SynchronizationScope SynchScope) { + setInstructionSubclassData((getSubclassDataFromInstruction() & ~2) | + (SynchScope << 1)); + } + + /// Returns the ordering constraint on this RMW. + AtomicOrdering getOrdering() const { + return AtomicOrdering((getSubclassDataFromInstruction() >> 2) & 7); + } + + /// Returns whether this RMW is atomic between threads or only within a + /// single thread. + SynchronizationScope getSynchScope() const { + return SynchronizationScope((getSubclassDataFromInstruction() & 2) >> 1); + } + + Value *getPointerOperand() { return getOperand(0); } + const Value *getPointerOperand() const { return getOperand(0); } + static unsigned getPointerOperandIndex() { return 0U; } + + Value *getValOperand() { return getOperand(1); } + const Value *getValOperand() const { return getOperand(1); } + + /// \brief Returns the address space of the pointer operand. + unsigned getPointerAddressSpace() const { + return getPointerOperand()->getType()->getPointerAddressSpace(); + } + + // Methods for support type inquiry through isa, cast, and dyn_cast: + static inline bool classof(const Instruction *I) { + return I->getOpcode() == Instruction::AtomicRMW; + } + static inline bool classof(const Value *V) { + return isa(V) && classof(cast(V)); + } +private: + void Init(BinOp Operation, Value *Ptr, Value *Val, + AtomicOrdering Ordering, SynchronizationScope SynchScope); + // Shadow Instruction::setInstructionSubclassData with a private forwarding + // method so that subclasses cannot accidentally use it. + void setInstructionSubclassData(unsigned short D) { + Instruction::setInstructionSubclassData(D); + } +}; + +template <> +struct OperandTraits + : public FixedNumOperandTraits { +}; + +DEFINE_TRANSPARENT_OPERAND_ACCESSORS(AtomicRMWInst, Value) + //===----------------------------------------------------------------------===// // GetElementPtrInst Class //===----------------------------------------------------------------------===// -// checkType - Simple wrapper function to give a better assertion failure +// checkGEPType - Simple wrapper function to give a better assertion failure // message on bad indexes for a gep instruction. // -static inline const Type *checkType(const Type *Ty) { +inline Type *checkGEPType(Type *Ty) { assert(Ty && "Invalid GetElementPtrInst indices for type!"); return Ty; } @@ -284,149 +709,51 @@ 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 Twine &NameStr); - void init(Value *Ptr, Value *Idx, const Twine &NameStr); - - template - void init(Value *Ptr, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, - const Twine &NameStr, - // This argument ensures that we have an iterator we can - // do arithmetic on in constant time - std::random_access_iterator_tag) { - unsigned NumIdx = static_cast(std::distance(IdxBegin, IdxEnd)); - - if (NumIdx > 0) { - // This requires that the iterator points to contiguous memory. - init(Ptr, &*IdxBegin, NumIdx, NameStr); // FIXME: for the general case - // we have to build an array here - } - else { - init(Ptr, 0, NumIdx, NameStr); - } - } - - /// getIndexedType - Returns the type of the element that would be loaded with - /// a load instruction with the specified parameters. - /// - /// Null is returned if the indices are invalid for the specified - /// pointer type. - /// - template - static const Type *getIndexedType(const Type *Ptr, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, - // This argument ensures that we - // have an iterator we can do - // arithmetic on in constant time - std::random_access_iterator_tag) { - unsigned NumIdx = static_cast(std::distance(IdxBegin, IdxEnd)); - - if (NumIdx > 0) - // This requires that the iterator points to contiguous memory. - return getIndexedType(Ptr, &*IdxBegin, NumIdx); - else - return getIndexedType(Ptr, (Value *const*)0, NumIdx); - } + void init(Value *Ptr, ArrayRef IdxList, const Twine &NameStr); /// Constructors - Create a getelementptr instruction with a base pointer an /// list of indices. The first ctor can optionally insert before an existing /// instruction, the second appends the new instruction to the specified /// BasicBlock. - template - inline GetElementPtrInst(Value *Ptr, RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, - unsigned Values, - const Twine &NameStr, + inline GetElementPtrInst(Value *Ptr, ArrayRef IdxList, + unsigned Values, const Twine &NameStr, Instruction *InsertBefore); - template - inline GetElementPtrInst(Value *Ptr, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, - unsigned Values, - 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 Twine &NameStr = "", - Instruction *InsertBefore = 0); - GetElementPtrInst(Value *Ptr, Value *Idx, - const Twine &NameStr, BasicBlock *InsertAtEnd); + inline GetElementPtrInst(Value *Ptr, ArrayRef IdxList, + unsigned Values, const Twine &NameStr, + BasicBlock *InsertAtEnd); protected: virtual GetElementPtrInst *clone_impl() const; public: - template - static GetElementPtrInst *Create(Value *Ptr, RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + static GetElementPtrInst *Create(Value *Ptr, ArrayRef IdxList, const Twine &NameStr = "", Instruction *InsertBefore = 0) { - typename std::iterator_traits::difference_type - Values = 1 + std::distance(IdxBegin, IdxEnd); + unsigned Values = 1 + unsigned(IdxList.size()); return new(Values) - GetElementPtrInst(Ptr, IdxBegin, IdxEnd, Values, NameStr, InsertBefore); + GetElementPtrInst(Ptr, IdxList, Values, NameStr, InsertBefore); } - template - static GetElementPtrInst *Create(Value *Ptr, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + static GetElementPtrInst *Create(Value *Ptr, ArrayRef IdxList, const Twine &NameStr, BasicBlock *InsertAtEnd) { - typename std::iterator_traits::difference_type - Values = 1 + std::distance(IdxBegin, IdxEnd); + unsigned Values = 1 + unsigned(IdxList.size()); return new(Values) - GetElementPtrInst(Ptr, IdxBegin, IdxEnd, Values, NameStr, InsertAtEnd); - } - - /// Constructors - These two creators are convenience methods because one - /// index getelementptr instructions are so common. - static GetElementPtrInst *Create(Value *Ptr, Value *Idx, - const Twine &NameStr = "", - Instruction *InsertBefore = 0) { - return new(2) GetElementPtrInst(Ptr, Idx, NameStr, InsertBefore); - } - static GetElementPtrInst *Create(Value *Ptr, Value *Idx, - const Twine &NameStr, - BasicBlock *InsertAtEnd) { - return new(2) GetElementPtrInst(Ptr, Idx, NameStr, InsertAtEnd); + GetElementPtrInst(Ptr, IdxList, Values, NameStr, InsertAtEnd); } /// Create an "inbounds" getelementptr. See the documentation for the /// "inbounds" flag in LangRef.html for details. - template static GetElementPtrInst *CreateInBounds(Value *Ptr, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef IdxList, const Twine &NameStr = "", Instruction *InsertBefore = 0) { - GetElementPtrInst *GEP = Create(Ptr, IdxBegin, IdxEnd, - NameStr, InsertBefore); + GetElementPtrInst *GEP = Create(Ptr, IdxList, NameStr, InsertBefore); GEP->setIsInBounds(true); return GEP; } - template static GetElementPtrInst *CreateInBounds(Value *Ptr, - RandomAccessIterator IdxBegin, - RandomAccessIterator 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, + ArrayRef IdxList, const Twine &NameStr, BasicBlock *InsertAtEnd) { - GetElementPtrInst *GEP = Create(Ptr, Idx, NameStr, InsertAtEnd); + GetElementPtrInst *GEP = Create(Ptr, IdxList, NameStr, InsertAtEnd); GEP->setIsInBounds(true); return GEP; } @@ -435,8 +762,15 @@ public: DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); // getType - Overload to return most specific pointer type... - const PointerType *getType() const { - return reinterpret_cast(Instruction::getType()); + PointerType *getType() const { + return reinterpret_cast(Instruction::getType()); + } + + /// \brief Returns the address space of this instruction's pointer type. + unsigned getAddressSpace() const { + // Note that this is always the same as the pointer operand's address space + // and that is cheaper to compute, so cheat here. + return getPointerAddressSpace(); } /// getIndexedType - Returns the type of the element that would be loaded with @@ -445,22 +779,9 @@ public: /// Null is returned if the indices are invalid for the specified /// pointer type. /// - template - static const Type *getIndexedType(const Type *Ptr, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd) { - return getIndexedType(Ptr, IdxBegin, IdxEnd, - typename std::iterator_traits:: - iterator_category()); - } - - static const Type *getIndexedType(const Type *Ptr, - Value* const *Idx, unsigned NumIdx); - - static const Type *getIndexedType(const Type *Ptr, - uint64_t const *Idx, unsigned NumIdx); - - static const Type *getIndexedType(const Type *Ptr, Value *Idx); + static Type *getIndexedType(Type *Ptr, ArrayRef IdxList); + static Type *getIndexedType(Type *Ptr, ArrayRef IdxList); + static Type *getIndexedType(Type *Ptr, ArrayRef IdxList); inline op_iterator idx_begin() { return op_begin()+1; } inline const_op_iterator idx_begin() const { return op_begin()+1; } @@ -474,19 +795,35 @@ public: return getOperand(0); } static unsigned getPointerOperandIndex() { - return 0U; // get index for modifying correct operand - } - - unsigned getPointerAddressSpace() const { - return cast(getType())->getAddressSpace(); + return 0U; // get index for modifying correct operand. } /// getPointerOperandType - Method to return the pointer operand as a /// PointerType. - const PointerType *getPointerOperandType() const { - return reinterpret_cast(getPointerOperand()->getType()); + Type *getPointerOperandType() const { + return getPointerOperand()->getType(); } + /// \brief Returns the address space of the pointer operand. + unsigned getPointerAddressSpace() const { + return getPointerOperandType()->getPointerAddressSpace(); + } + + /// GetGEPReturnType - Returns the pointer type returned by the GEP + /// instruction, which may be a vector of pointers. + static Type *getGEPReturnType(Value *Ptr, ArrayRef IdxList) { + Type *PtrTy = PointerType::get(checkGEPType( + getIndexedType(Ptr->getType(), IdxList)), + Ptr->getType()->getPointerAddressSpace()); + // Vector GEP + if (Ptr->getType()->isVectorTy()) { + unsigned NumElem = cast(Ptr->getType())->getNumElements(); + return VectorType::get(PtrTy, NumElem); + } + + // Scalar GEP + return PtrTy; + } unsigned getNumIndices() const { // Note: always non-negative return getNumOperands() - 1; @@ -514,7 +851,6 @@ public: bool isInBounds() const; // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const GetElementPtrInst *) { return true; } static inline bool classof(const Instruction *I) { return (I->getOpcode() == Instruction::GetElementPtr); } @@ -524,46 +860,31 @@ public: }; template <> -struct OperandTraits : public VariadicOperandTraits<1> { +struct OperandTraits : + public VariadicOperandTraits { }; -template GetElementPtrInst::GetElementPtrInst(Value *Ptr, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef IdxList, unsigned Values, const Twine &NameStr, Instruction *InsertBefore) - : Instruction(PointerType::get(checkType( - getIndexedType(Ptr->getType(), - IdxBegin, IdxEnd)), - cast(Ptr->getType()) - ->getAddressSpace()), + : Instruction(getGEPReturnType(Ptr, IdxList), GetElementPtr, OperandTraits::op_end(this) - Values, Values, InsertBefore) { - init(Ptr, IdxBegin, IdxEnd, NameStr, - typename std::iterator_traits - ::iterator_category()); + init(Ptr, IdxList, NameStr); } -template GetElementPtrInst::GetElementPtrInst(Value *Ptr, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef IdxList, unsigned Values, const Twine &NameStr, BasicBlock *InsertAtEnd) - : Instruction(PointerType::get(checkType( - getIndexedType(Ptr->getType(), - IdxBegin, IdxEnd)), - cast(Ptr->getType()) - ->getAddressSpace()), + : Instruction(getGEPReturnType(Ptr, IdxList), GetElementPtr, OperandTraits::op_end(this) - Values, Values, InsertAtEnd) { - init(Ptr, IdxBegin, IdxEnd, NameStr, - typename std::iterator_traits - ::iterator_category()); + init(Ptr, IdxList, NameStr); } @@ -577,13 +898,13 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(GetElementPtrInst, Value) /// This instruction compares its operands according to the predicate given /// to the constructor. It only operates on integers or pointers. The operands /// must be identical types. -/// @brief Represent an integer comparison operator. +/// \brief Represent an integer comparison operator. class ICmpInst: public CmpInst { protected: - /// @brief Clone an indentical ICmpInst + /// \brief Clone an identical ICmpInst virtual ICmpInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics. + /// \brief Constructor with insert-before-instruction semantics. ICmpInst( Instruction *InsertBefore, ///< Where to insert Predicate pred, ///< The predicate to use for the comparison @@ -600,11 +921,11 @@ public: "Both operands to ICmp instruction are not of the same type!"); // Check that the operands are the right type assert((getOperand(0)->getType()->isIntOrIntVectorTy() || - getOperand(0)->getType()->isPointerTy()) && + getOperand(0)->getType()->getScalarType()->isPointerTy()) && "Invalid operand types for ICmp instruction"); } - /// @brief Constructor with insert-at-end semantics. + /// \brief Constructor with insert-at-end semantics. ICmpInst( BasicBlock &InsertAtEnd, ///< Block to insert into. Predicate pred, ///< The predicate to use for the comparison @@ -625,7 +946,7 @@ public: "Invalid operand types for ICmp instruction"); } - /// @brief Constructor with no-insertion semantics + /// \brief Constructor with no-insertion semantics ICmpInst( Predicate pred, ///< The predicate to use for the comparison Value *LHS, ///< The left-hand-side of the expression @@ -640,32 +961,32 @@ public: "Both operands to ICmp instruction are not of the same type!"); // Check that the operands are the right type assert((getOperand(0)->getType()->isIntOrIntVectorTy() || - getOperand(0)->getType()->isPointerTy()) && + getOperand(0)->getType()->getScalarType()->isPointerTy()) && "Invalid operand types for ICmp instruction"); } /// For example, EQ->EQ, SLE->SLE, UGT->SGT, etc. /// @returns the predicate that would be the result if the operand were /// regarded as signed. - /// @brief Return the signed version of the predicate + /// \brief Return the signed version of the predicate Predicate getSignedPredicate() const { return getSignedPredicate(getPredicate()); } /// This is a static version that you can use without an instruction. - /// @brief Return the signed version of the predicate. + /// \brief Return the signed version of the predicate. static Predicate getSignedPredicate(Predicate pred); /// For example, EQ->EQ, SLE->ULE, UGT->UGT, etc. /// @returns the predicate that would be the result if the operand were /// regarded as unsigned. - /// @brief Return the unsigned version of the predicate + /// \brief Return the unsigned version of the predicate Predicate getUnsignedPredicate() const { return getUnsignedPredicate(getPredicate()); } /// This is a static version that you can use without an instruction. - /// @brief Return the unsigned version of the predicate. + /// \brief Return the unsigned version of the predicate. static Predicate getUnsignedPredicate(Predicate pred); /// isEquality - Return true if this predicate is either EQ or NE. This also @@ -681,7 +1002,7 @@ public: } /// @returns true if the predicate of this ICmpInst is commutative - /// @brief Determine if this relation is commutative. + /// \brief Determine if this relation is commutative. bool isCommutative() const { return isEquality(); } /// isRelational - Return true if the predicate is relational (not EQ or NE). @@ -697,21 +1018,20 @@ public: } /// Initialize a set of values that all satisfy the predicate with C. - /// @brief Make a ConstantRange for a relation with a constant value. + /// \brief Make a ConstantRange for a relation with a constant value. static ConstantRange makeConstantRange(Predicate pred, const APInt &C); /// Exchange the two operands to this instruction in such a way that it does /// not modify the semantics of the instruction. The predicate value may be /// changed to retain the same result if the predicate is order dependent /// (e.g. ult). - /// @brief Swap operands and adjust predicate. + /// \brief Swap operands and adjust predicate. void swapOperands() { setPredicate(getSwappedPredicate()); Op<0>().swap(Op<1>()); } // 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) { return I->getOpcode() == Instruction::ICmp; } @@ -728,13 +1048,13 @@ public: /// This instruction compares its operands according to the predicate given /// to the constructor. It only operates on floating point values or packed /// vectors of floating point values. The operands must be identical types. -/// @brief Represents a floating point comparison operator. +/// \brief Represents a floating point comparison operator. class FCmpInst: public CmpInst { protected: - /// @brief Clone an indentical FCmpInst + /// \brief Clone an identical FCmpInst virtual FCmpInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics. + /// \brief Constructor with insert-before-instruction semantics. FCmpInst( Instruction *InsertBefore, ///< Where to insert Predicate pred, ///< The predicate to use for the comparison @@ -753,7 +1073,7 @@ public: "Invalid operand types for FCmp instruction"); } - /// @brief Constructor with insert-at-end semantics. + /// \brief Constructor with insert-at-end semantics. FCmpInst( BasicBlock &InsertAtEnd, ///< Block to insert into. Predicate pred, ///< The predicate to use for the comparison @@ -772,7 +1092,7 @@ public: "Invalid operand types for FCmp instruction"); } - /// @brief Constructor with no-insertion semantics + /// \brief Constructor with no-insertion semantics FCmpInst( Predicate pred, ///< The predicate to use for the comparison Value *LHS, ///< The left-hand-side of the expression @@ -790,14 +1110,14 @@ public: } /// @returns true if the predicate of this instruction is EQ or NE. - /// @brief Determine if this is an equality predicate. + /// \brief Determine if this is an equality predicate. bool isEquality() const { return getPredicate() == FCMP_OEQ || getPredicate() == FCMP_ONE || getPredicate() == FCMP_UEQ || getPredicate() == FCMP_UNE; } /// @returns true if the predicate of this instruction is commutative. - /// @brief Determine if this is a commutative predicate. + /// \brief Determine if this is a commutative predicate. bool isCommutative() const { return isEquality() || getPredicate() == FCMP_FALSE || @@ -807,21 +1127,20 @@ public: } /// @returns true if the predicate is relational (not EQ or NE). - /// @brief Determine if this a relational predicate. + /// \brief Determine if this a relational predicate. bool isRelational() const { return !isEquality(); } /// Exchange the two operands to this instruction in such a way that it does /// not modify the semantics of the instruction. The predicate value may be /// changed to retain the same result if the predicate is order dependent /// (e.g. ult). - /// @brief Swap operands and adjust predicate. + /// \brief Swap operands and adjust predicate. void swapOperands() { setPredicate(getSwappedPredicate()); Op<0>().swap(Op<1>()); } - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const FCmpInst *) { return true; } + /// \brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const Instruction *I) { return I->getOpcode() == Instruction::FCmp; } @@ -839,46 +1158,17 @@ public: class CallInst : public Instruction { AttrListPtr AttributeList; ///< parameter attributes for call CallInst(const CallInst &CI); - void init(Value *Func, Value* const *Params, unsigned NumParams); - void init(Value *Func, Value *Actual1, Value *Actual2); - void init(Value *Func, Value *Actual); - void init(Value *Func); - - template - void init(Value *Func, - RandomAccessIterator ArgBegin, - RandomAccessIterator ArgEnd, - const Twine &NameStr, - // This argument ensures that we have an iterator we can - // do arithmetic on in constant time - std::random_access_iterator_tag) { - unsigned NumArgs = (unsigned)std::distance(ArgBegin, ArgEnd); - - // This requires that the iterator points to contiguous memory. - init(Func, NumArgs ? &*ArgBegin : 0, NumArgs); - setName(NameStr); - } + void init(Value *Func, ArrayRef Args, const Twine &NameStr); + void init(Value *Func, const Twine &NameStr); + + /// Construct a CallInst given a range of arguments. + /// \brief Construct a CallInst from a range of arguments + inline CallInst(Value *Func, ArrayRef Args, + const Twine &NameStr, Instruction *InsertBefore); - /// Construct a CallInst given a range of arguments. RandomAccessIterator - /// must be a random-access iterator pointing to contiguous storage - /// (e.g. a std::vector<>::iterator). Checks are made for - /// random-accessness but not for contiguous storage as that would - /// incur runtime overhead. - /// @brief Construct a CallInst from a range of arguments - template - CallInst(Value *Func, - RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd, - const Twine &NameStr, Instruction *InsertBefore); - - /// Construct a CallInst given a range of arguments. RandomAccessIterator - /// must be a random-access iterator pointing to contiguous storage - /// (e.g. a std::vector<>::iterator). Checks are made for - /// random-accessness but not for contiguous storage as that would - /// incur runtime overhead. - /// @brief Construct a CallInst from a range of arguments - template - inline CallInst(Value *Func, - RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd, + /// Construct a CallInst given a range of arguments. + /// \brief Construct a CallInst from a range of arguments + inline CallInst(Value *Func, ArrayRef Args, const Twine &NameStr, BasicBlock *InsertAtEnd); CallInst(Value *F, Value *Actual, const Twine &NameStr, @@ -891,31 +1181,18 @@ class CallInst : public Instruction { protected: virtual CallInst *clone_impl() const; public: - template static CallInst *Create(Value *Func, - RandomAccessIterator ArgBegin, - RandomAccessIterator ArgEnd, + ArrayRef Args, const Twine &NameStr = "", Instruction *InsertBefore = 0) { - return new(unsigned(ArgEnd - ArgBegin + 1)) - CallInst(Func, ArgBegin, ArgEnd, NameStr, InsertBefore); + return new(unsigned(Args.size() + 1)) + CallInst(Func, Args, NameStr, InsertBefore); } - template static CallInst *Create(Value *Func, - RandomAccessIterator ArgBegin, - RandomAccessIterator ArgEnd, + ArrayRef Args, 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 Twine &NameStr = "", - Instruction *InsertBefore = 0) { - return new(2) CallInst(F, Actual, NameStr, InsertBefore); - } - static CallInst *Create(Value *F, Value *Actual, const Twine &NameStr, - BasicBlock *InsertAtEnd) { - return new(2) CallInst(F, Actual, NameStr, InsertAtEnd); + return new(unsigned(Args.size() + 1)) + CallInst(Func, Args, NameStr, InsertAtEnd); } static CallInst *Create(Value *F, const Twine &NameStr = "", Instruction *InsertBefore = 0) { @@ -932,12 +1209,12 @@ public: /// 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, + Type *IntPtrTy, Type *AllocTy, Value *AllocSize, Value *ArraySize = 0, Function* MallocF = 0, const Twine &Name = ""); static Instruction *CreateMalloc(BasicBlock *InsertAtEnd, - const Type *IntPtrTy, const Type *AllocTy, + Type *IntPtrTy, Type *AllocTy, Value *AllocSize, Value *ArraySize = 0, Function* MallocF = 0, const Twine &Name = ""); @@ -989,63 +1266,78 @@ public: /// removeAttribute - removes the attribute from the list of attributes. void removeAttribute(unsigned i, Attributes attr); - /// @brief Determine whether the call or the callee has the given attribute. - bool paramHasAttr(unsigned i, Attributes attr) const; + /// \brief Determine whether this call has the given attribute. + bool hasFnAttr(Attributes::AttrVal A) const; - /// @brief Extract the alignment for a call or parameter (0=unknown). + /// \brief Determine whether the call or the callee has the given attributes. + bool paramHasAttr(unsigned i, Attributes::AttrVal A) const; + + /// \brief Extract the alignment for a call or parameter (0=unknown). unsigned getParamAlignment(unsigned i) const { return AttributeList.getParamAlignment(i); } - /// @brief Return true if the call should not be inlined. - bool isNoInline() const { return paramHasAttr(~0, Attribute::NoInline); } - void setIsNoInline(bool Value = true) { - if (Value) addAttribute(~0, Attribute::NoInline); - else removeAttribute(~0, Attribute::NoInline); + /// \brief Return true if the call should not be inlined. + bool isNoInline() const { return hasFnAttr(Attributes::NoInline); } + void setIsNoInline() { + addAttribute(AttrListPtr::FunctionIndex, + Attributes::get(getContext(), Attributes::NoInline)); } - /// @brief Determine if the call does not access memory. + /// \brief Return true if the call can return twice + bool canReturnTwice() const { + return hasFnAttr(Attributes::ReturnsTwice); + } + void setCanReturnTwice() { + addAttribute(AttrListPtr::FunctionIndex, + Attributes::get(getContext(), Attributes::ReturnsTwice)); + } + + /// \brief Determine if the call does not access memory. bool doesNotAccessMemory() const { - return paramHasAttr(~0, Attribute::ReadNone); + return hasFnAttr(Attributes::ReadNone); } - void setDoesNotAccessMemory(bool NotAccessMemory = true) { - if (NotAccessMemory) addAttribute(~0, Attribute::ReadNone); - else removeAttribute(~0, Attribute::ReadNone); + void setDoesNotAccessMemory() { + addAttribute(AttrListPtr::FunctionIndex, + Attributes::get(getContext(), Attributes::ReadNone)); } - /// @brief Determine if the call does not access or only reads memory. + /// \brief Determine if the call does not access or only reads memory. bool onlyReadsMemory() const { - return doesNotAccessMemory() || paramHasAttr(~0, Attribute::ReadOnly); + return doesNotAccessMemory() || hasFnAttr(Attributes::ReadOnly); } - void setOnlyReadsMemory(bool OnlyReadsMemory = true) { - if (OnlyReadsMemory) addAttribute(~0, Attribute::ReadOnly); - else removeAttribute(~0, Attribute::ReadOnly | Attribute::ReadNone); + void setOnlyReadsMemory() { + addAttribute(AttrListPtr::FunctionIndex, + Attributes::get(getContext(), Attributes::ReadOnly)); } - /// @brief Determine if the call cannot return. - bool doesNotReturn() const { return paramHasAttr(~0, Attribute::NoReturn); } - void setDoesNotReturn(bool DoesNotReturn = true) { - if (DoesNotReturn) addAttribute(~0, Attribute::NoReturn); - else removeAttribute(~0, Attribute::NoReturn); + /// \brief Determine if the call cannot return. + bool doesNotReturn() const { return hasFnAttr(Attributes::NoReturn); } + void setDoesNotReturn() { + addAttribute(AttrListPtr::FunctionIndex, + Attributes::get(getContext(), Attributes::NoReturn)); } - /// @brief Determine if the call cannot unwind. - bool doesNotThrow() const { return paramHasAttr(~0, Attribute::NoUnwind); } - void setDoesNotThrow(bool DoesNotThrow = true) { - if (DoesNotThrow) addAttribute(~0, Attribute::NoUnwind); - else removeAttribute(~0, Attribute::NoUnwind); + /// \brief Determine if the call cannot unwind. + bool doesNotThrow() const { return hasFnAttr(Attributes::NoUnwind); } + void setDoesNotThrow() { + addAttribute(AttrListPtr::FunctionIndex, + Attributes::get(getContext(), Attributes::NoUnwind)); } - /// @brief Determine if the call returns a structure through first + /// \brief Determine if the call returns a structure through first /// pointer argument. bool hasStructRetAttr() const { // Be friendly and also check the callee. - return paramHasAttr(1, Attribute::StructRet); + return paramHasAttr(1, Attributes::StructRet); } - /// @brief Determine if any call argument is an aggregate passed by value. + /// \brief Determine if any call argument is an aggregate passed by value. bool hasByValArgument() const { - return AttributeList.hasAttrSomewhere(Attribute::ByVal); + for (unsigned I = 0, E = AttributeList.getNumAttrs(); I != E; ++I) + if (AttributeList.getAttributesAtIndex(I).hasAttribute(Attributes::ByVal)) + return true; + return false; } /// getCalledFunction - Return the function called, or null if this is an @@ -1071,7 +1363,6 @@ public: } // 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) { return I->getOpcode() == Instruction::Call; } @@ -1087,35 +1378,27 @@ private: }; template <> -struct OperandTraits : public VariadicOperandTraits<1> { +struct OperandTraits : public VariadicOperandTraits { }; -template -CallInst::CallInst(Value *Func, - RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd, +CallInst::CallInst(Value *Func, ArrayRef Args, const Twine &NameStr, BasicBlock *InsertAtEnd) : Instruction(cast(cast(Func->getType()) ->getElementType())->getReturnType(), Instruction::Call, - OperandTraits::op_end(this) - (ArgEnd - ArgBegin + 1), - unsigned(ArgEnd - ArgBegin + 1), InsertAtEnd) { - init(Func, ArgBegin, ArgEnd, NameStr, - typename std::iterator_traits - ::iterator_category()); + OperandTraits::op_end(this) - (Args.size() + 1), + unsigned(Args.size() + 1), InsertAtEnd) { + init(Func, Args, NameStr); } -template -CallInst::CallInst(Value *Func, - RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd, +CallInst::CallInst(Value *Func, ArrayRef Args, const Twine &NameStr, Instruction *InsertBefore) : Instruction(cast(cast(Func->getType()) ->getElementType())->getReturnType(), Instruction::Call, - OperandTraits::op_end(this) - (ArgEnd - ArgBegin + 1), - unsigned(ArgEnd - ArgBegin + 1), InsertBefore) { - init(Func, ArgBegin, ArgEnd, NameStr, - typename std::iterator_traits - ::iterator_category()); + OperandTraits::op_end(this) - (Args.size() + 1), + unsigned(Args.size() + 1), InsertBefore) { + init(Func, Args, NameStr); } @@ -1185,7 +1468,6 @@ public: } // 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) { return I->getOpcode() == Instruction::Select; } @@ -1195,7 +1477,7 @@ public: }; template <> -struct OperandTraits : public FixedNumOperandTraits<3> { +struct OperandTraits : public FixedNumOperandTraits { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(SelectInst, Value) @@ -1212,12 +1494,12 @@ protected: virtual VAArgInst *clone_impl() const; public: - VAArgInst(Value *List, const Type *Ty, const Twine &NameStr = "", + VAArgInst(Value *List, Type *Ty, const Twine &NameStr = "", Instruction *InsertBefore = 0) : UnaryInstruction(Ty, VAArg, List, InsertBefore) { setName(NameStr); } - VAArgInst(Value *List, const Type *Ty, const Twine &NameStr, + VAArgInst(Value *List, Type *Ty, const Twine &NameStr, BasicBlock *InsertAtEnd) : UnaryInstruction(Ty, VAArg, List, InsertAtEnd) { setName(NameStr); @@ -1228,7 +1510,6 @@ public: static unsigned getPointerOperandIndex() { return 0U; } // 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) { return I->getOpcode() == VAArg; } @@ -1273,8 +1554,8 @@ public: const Value *getVectorOperand() const { return Op<0>(); } const Value *getIndexOperand() const { return Op<1>(); } - const VectorType *getVectorOperandType() const { - return reinterpret_cast(getVectorOperand()->getType()); + VectorType *getVectorOperandType() const { + return reinterpret_cast(getVectorOperand()->getType()); } @@ -1282,7 +1563,6 @@ public: DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const ExtractElementInst *) { return true; } static inline bool classof(const Instruction *I) { return I->getOpcode() == Instruction::ExtractElement; } @@ -1292,7 +1572,8 @@ public: }; template <> -struct OperandTraits : public FixedNumOperandTraits<2> { +struct OperandTraits : + public FixedNumOperandTraits { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ExtractElementInst, Value) @@ -1332,15 +1613,14 @@ public: /// getType - Overload to return most specific vector type. /// - const VectorType *getType() const { - return reinterpret_cast(Instruction::getType()); + VectorType *getType() const { + return reinterpret_cast(Instruction::getType()); } /// 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 InsertElementInst *) { return true; } static inline bool classof(const Instruction *I) { return I->getOpcode() == Instruction::InsertElement; } @@ -1350,7 +1630,8 @@ public: }; template <> -struct OperandTraits : public FixedNumOperandTraits<3> { +struct OperandTraits : + public FixedNumOperandTraits { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertElementInst, Value) @@ -1384,20 +1665,42 @@ public: /// getType - Overload to return most specific vector type. /// - const VectorType *getType() const { - return reinterpret_cast(Instruction::getType()); + VectorType *getType() const { + return reinterpret_cast(Instruction::getType()); } /// Transparently provide more efficient getOperand methods. DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); + Constant *getMask() const { + return reinterpret_cast(getOperand(2)); + } + /// getMaskValue - Return the index from the shuffle mask for the specified /// output result. This is either -1 if the element is undef or a number less /// than 2*numelements. - int getMaskValue(unsigned i) const; + static int getMaskValue(Constant *Mask, unsigned i); + + int getMaskValue(unsigned i) const { + return getMaskValue(getMask(), i); + } + + /// getShuffleMask - Return the full mask for this instruction, where each + /// element is the element number and undef's are returned as -1. + static void getShuffleMask(Constant *Mask, SmallVectorImpl &Result); + + void getShuffleMask(SmallVectorImpl &Result) const { + return getShuffleMask(getMask(), Result); + } + + SmallVector getShuffleMask() const { + SmallVector Mask; + getShuffleMask(Mask); + return Mask; + } + // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const ShuffleVectorInst *) { return true; } static inline bool classof(const Instruction *I) { return I->getOpcode() == Instruction::ShuffleVector; } @@ -1407,7 +1710,8 @@ public: }; template <> -struct OperandTraits : public FixedNumOperandTraits<3> { +struct OperandTraits : + public FixedNumOperandTraits { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ShuffleVectorInst, Value) @@ -1423,69 +1727,18 @@ class ExtractValueInst : public UnaryInstruction { SmallVector Indices; ExtractValueInst(const ExtractValueInst &EVI); - void init(const unsigned *Idx, unsigned NumIdx, - const Twine &NameStr); - void init(unsigned Idx, const Twine &NameStr); - - template - void init(RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, - const Twine &NameStr, - // This argument ensures that we have an iterator we can - // do arithmetic on in constant time - std::random_access_iterator_tag) { - unsigned NumIdx = static_cast(std::distance(IdxBegin, IdxEnd)); - - // There's no fundamental reason why we require at least one index - // (other than weirdness with &*IdxBegin being invalid; see - // getelementptr's init routine for example). But there's no - // present need to support it. - assert(NumIdx > 0 && "ExtractValueInst must have at least one index"); - - // This requires that the iterator points to contiguous memory. - init(&*IdxBegin, NumIdx, NameStr); // FIXME: for the general case - // we have to build an array here - } - - /// getIndexedType - Returns the type of the element that would be extracted - /// with an extractvalue instruction with the specified parameters. - /// - /// Null is returned if the indices are invalid for the specified type. - /// - static const Type *getIndexedType(const Type *Agg, - const unsigned *Idx, unsigned NumIdx); - - template - static const Type *getIndexedType(const Type *Ptr, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, - // This argument ensures that we - // have an iterator we can do - // arithmetic on in constant time - std::random_access_iterator_tag) { - unsigned NumIdx = static_cast(std::distance(IdxBegin, IdxEnd)); - - if (NumIdx > 0) - // This requires that the iterator points to contiguous memory. - return getIndexedType(Ptr, &*IdxBegin, NumIdx); - else - return getIndexedType(Ptr, (const unsigned *)0, NumIdx); - } + void init(ArrayRef Idxs, const Twine &NameStr); /// Constructors - Create a extractvalue instruction with a base aggregate /// value and a list of indices. The first ctor can optionally insert before /// an existing instruction, the second appends the new instruction to the /// specified BasicBlock. - template inline ExtractValueInst(Value *Agg, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef Idxs, const Twine &NameStr, Instruction *InsertBefore); - template inline ExtractValueInst(Value *Agg, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef Idxs, const Twine &NameStr, BasicBlock *InsertAtEnd); // allocate space for exactly one operand @@ -1496,54 +1749,25 @@ protected: virtual ExtractValueInst *clone_impl() const; public: - template static ExtractValueInst *Create(Value *Agg, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef Idxs, const Twine &NameStr = "", Instruction *InsertBefore = 0) { return new - ExtractValueInst(Agg, IdxBegin, IdxEnd, NameStr, InsertBefore); + ExtractValueInst(Agg, Idxs, NameStr, InsertBefore); } - template static ExtractValueInst *Create(Value *Agg, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef Idxs, const Twine &NameStr, BasicBlock *InsertAtEnd) { - return new ExtractValueInst(Agg, IdxBegin, IdxEnd, NameStr, InsertAtEnd); - } - - /// Constructors - These two creators are convenience methods because one - /// index extractvalue instructions are much more common than those with - /// more than one. - static ExtractValueInst *Create(Value *Agg, unsigned Idx, - 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 Twine &NameStr, - BasicBlock *InsertAtEnd) { - unsigned Idxs[1] = { Idx }; - return new ExtractValueInst(Agg, Idxs, Idxs + 1, NameStr, InsertAtEnd); + return new ExtractValueInst(Agg, Idxs, NameStr, InsertAtEnd); } /// getIndexedType - Returns the type of the element that would be extracted /// with an extractvalue instruction with the specified parameters. /// /// Null is returned if the indices are invalid for the specified type. - /// - template - static const Type *getIndexedType(const Type *Ptr, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd) { - return getIndexedType(Ptr, IdxBegin, IdxEnd, - typename std::iterator_traits:: - iterator_category()); - } - static const Type *getIndexedType(const Type *Ptr, unsigned Idx); + static Type *getIndexedType(Type *Agg, ArrayRef Idxs); typedef const unsigned* idx_iterator; inline idx_iterator idx_begin() const { return Indices.begin(); } @@ -1559,7 +1783,11 @@ public: return 0U; // get index for modifying correct operand } - unsigned getNumIndices() const { // Note: always non-negative + ArrayRef getIndices() const { + return Indices; + } + + unsigned getNumIndices() const { return (unsigned)Indices.size(); } @@ -1568,7 +1796,6 @@ public: } // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const ExtractValueInst *) { return true; } static inline bool classof(const Instruction *I) { return I->getOpcode() == Instruction::ExtractValue; } @@ -1577,31 +1804,21 @@ public: } }; -template ExtractValueInst::ExtractValueInst(Value *Agg, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef Idxs, const Twine &NameStr, Instruction *InsertBefore) - : UnaryInstruction(checkType(getIndexedType(Agg->getType(), - IdxBegin, IdxEnd)), + : UnaryInstruction(checkGEPType(getIndexedType(Agg->getType(), Idxs)), ExtractValue, Agg, InsertBefore) { - init(IdxBegin, IdxEnd, NameStr, - typename std::iterator_traits - ::iterator_category()); + init(Idxs, NameStr); } -template ExtractValueInst::ExtractValueInst(Value *Agg, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef Idxs, const Twine &NameStr, BasicBlock *InsertAtEnd) - : UnaryInstruction(checkType(getIndexedType(Agg->getType(), - IdxBegin, IdxEnd)), + : UnaryInstruction(checkGEPType(getIndexedType(Agg->getType(), Idxs)), ExtractValue, Agg, InsertAtEnd) { - init(IdxBegin, IdxEnd, NameStr, - typename std::iterator_traits - ::iterator_category()); + init(Idxs, NameStr); } @@ -1615,46 +1832,21 @@ ExtractValueInst::ExtractValueInst(Value *Agg, class InsertValueInst : public Instruction { SmallVector Indices; - void *operator new(size_t, unsigned); // Do not implement + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; InsertValueInst(const InsertValueInst &IVI); - void init(Value *Agg, Value *Val, const unsigned *Idx, unsigned NumIdx, + void init(Value *Agg, Value *Val, ArrayRef Idxs, const Twine &NameStr); - void init(Value *Agg, Value *Val, unsigned Idx, const Twine &NameStr); - - template - void init(Value *Agg, Value *Val, - RandomAccessIterator IdxBegin, RandomAccessIterator IdxEnd, - const Twine &NameStr, - // This argument ensures that we have an iterator we can - // do arithmetic on in constant time - std::random_access_iterator_tag) { - unsigned NumIdx = static_cast(std::distance(IdxBegin, IdxEnd)); - - // There's no fundamental reason why we require at least one index - // (other than weirdness with &*IdxBegin being invalid; see - // getelementptr's init routine for example). But there's no - // present need to support it. - assert(NumIdx > 0 && "InsertValueInst must have at least one index"); - - // This requires that the iterator points to contiguous memory. - init(Agg, Val, &*IdxBegin, NumIdx, NameStr); // FIXME: for the general case - // we have to build an array here - } /// Constructors - Create a insertvalue instruction with a base aggregate /// value, a value to insert, and a list of indices. The first ctor can /// optionally insert before an existing instruction, the second appends /// the new instruction to the specified BasicBlock. - template inline InsertValueInst(Value *Agg, Value *Val, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef Idxs, const Twine &NameStr, Instruction *InsertBefore); - template inline InsertValueInst(Value *Agg, Value *Val, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef Idxs, const Twine &NameStr, BasicBlock *InsertAtEnd); /// Constructors - These two constructors are convenience methods because one @@ -1672,37 +1864,17 @@ public: return User::operator new(s, 2); } - template static InsertValueInst *Create(Value *Agg, Value *Val, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef Idxs, const Twine &NameStr = "", Instruction *InsertBefore = 0) { - return new InsertValueInst(Agg, Val, IdxBegin, IdxEnd, - NameStr, InsertBefore); + return new InsertValueInst(Agg, Val, Idxs, NameStr, InsertBefore); } - template static InsertValueInst *Create(Value *Agg, Value *Val, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, - const Twine &NameStr, - BasicBlock *InsertAtEnd) { - return new InsertValueInst(Agg, Val, IdxBegin, IdxEnd, - NameStr, InsertAtEnd); - } - - /// Constructors - These two creators are convenience methods because one - /// index insertvalue instructions are much more common than those with - /// more than one. - static InsertValueInst *Create(Value *Agg, Value *Val, unsigned Idx, - const Twine &NameStr = "", - Instruction *InsertBefore = 0) { - return new InsertValueInst(Agg, Val, Idx, NameStr, InsertBefore); - } - static InsertValueInst *Create(Value *Agg, Value *Val, unsigned Idx, + ArrayRef Idxs, const Twine &NameStr, BasicBlock *InsertAtEnd) { - return new InsertValueInst(Agg, Val, Idx, NameStr, InsertAtEnd); + return new InsertValueInst(Agg, Val, Idxs, NameStr, InsertAtEnd); } /// Transparently provide more efficient getOperand methods. @@ -1732,7 +1904,11 @@ public: return 1U; // get index for modifying correct operand } - unsigned getNumIndices() const { // Note: always non-negative + ArrayRef getIndices() const { + return Indices; + } + + unsigned getNumIndices() const { return (unsigned)Indices.size(); } @@ -1741,7 +1917,6 @@ public: } // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const InsertValueInst *) { return true; } static inline bool classof(const Instruction *I) { return I->getOpcode() == Instruction::InsertValue; } @@ -1751,36 +1926,29 @@ public: }; template <> -struct OperandTraits : public FixedNumOperandTraits<2> { +struct OperandTraits : + public FixedNumOperandTraits { }; -template InsertValueInst::InsertValueInst(Value *Agg, Value *Val, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef Idxs, const Twine &NameStr, Instruction *InsertBefore) : Instruction(Agg->getType(), InsertValue, OperandTraits::op_begin(this), 2, InsertBefore) { - init(Agg, Val, IdxBegin, IdxEnd, NameStr, - typename std::iterator_traits - ::iterator_category()); + init(Agg, Val, Idxs, NameStr); } -template InsertValueInst::InsertValueInst(Value *Agg, Value *Val, - RandomAccessIterator IdxBegin, - RandomAccessIterator IdxEnd, + ArrayRef Idxs, const Twine &NameStr, BasicBlock *InsertAtEnd) : Instruction(Agg->getType(), InsertValue, OperandTraits::op_begin(this), 2, InsertAtEnd) { - init(Agg, Val, IdxBegin, IdxEnd, NameStr, - typename std::iterator_traits - ::iterator_category()); + init(Agg, Val, Idxs, NameStr); } DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertValueInst, Value) @@ -1794,7 +1962,7 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertValueInst, Value) // scientist's overactive imagination. // class PHINode : public Instruction { - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; /// ReservedSpace - The number of operands actually allocated. NumOperands is /// the number actually in use. unsigned ReservedSpace; @@ -1803,68 +1971,94 @@ class PHINode : public Instruction { void *operator new(size_t s) { return User::operator new(s, 0); } - explicit PHINode(const Type *Ty, const Twine &NameStr = "", - Instruction *InsertBefore = 0) + explicit PHINode(Type *Ty, unsigned NumReservedValues, + const Twine &NameStr = "", Instruction *InsertBefore = 0) : Instruction(Ty, Instruction::PHI, 0, 0, InsertBefore), - ReservedSpace(0) { + ReservedSpace(NumReservedValues) { setName(NameStr); + OperandList = allocHungoffUses(ReservedSpace); } - PHINode(const Type *Ty, const Twine &NameStr, BasicBlock *InsertAtEnd) + PHINode(Type *Ty, unsigned NumReservedValues, const Twine &NameStr, + BasicBlock *InsertAtEnd) : Instruction(Ty, Instruction::PHI, 0, 0, InsertAtEnd), - ReservedSpace(0) { + ReservedSpace(NumReservedValues) { setName(NameStr); + OperandList = allocHungoffUses(ReservedSpace); } protected: + // allocHungoffUses - this is more complicated than the generic + // User::allocHungoffUses, because we have to allocate Uses for the incoming + // values and pointers to the incoming blocks, all in one allocation. + Use *allocHungoffUses(unsigned) const; + virtual PHINode *clone_impl() const; public: - static PHINode *Create(const Type *Ty, const Twine &NameStr = "", + /// Constructors - NumReservedValues is a hint for the number of incoming + /// edges that this phi node will have (use 0 if you really have no idea). + static PHINode *Create(Type *Ty, unsigned NumReservedValues, + const Twine &NameStr = "", Instruction *InsertBefore = 0) { - return new PHINode(Ty, NameStr, InsertBefore); + return new PHINode(Ty, NumReservedValues, NameStr, InsertBefore); } - static PHINode *Create(const Type *Ty, const Twine &NameStr, - BasicBlock *InsertAtEnd) { - return new PHINode(Ty, NameStr, InsertAtEnd); + static PHINode *Create(Type *Ty, unsigned NumReservedValues, + const Twine &NameStr, BasicBlock *InsertAtEnd) { + return new PHINode(Ty, NumReservedValues, NameStr, InsertAtEnd); } ~PHINode(); - /// reserveOperandSpace - This method can be used to avoid repeated - /// reallocation of PHI operand lists by reserving space for the correct - /// number of operands before adding them. Unlike normal vector reserves, - /// this method can also be used to trim the operand space. - void reserveOperandSpace(unsigned NumValues) { - resizeOperands(NumValues*2); - } - /// Provide fast operand accessors DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); + // Block iterator interface. This provides access to the list of incoming + // basic blocks, which parallels the list of incoming values. + + typedef BasicBlock **block_iterator; + typedef BasicBlock * const *const_block_iterator; + + block_iterator block_begin() { + Use::UserRef *ref = + reinterpret_cast(op_begin() + ReservedSpace); + return reinterpret_cast(ref + 1); + } + + const_block_iterator block_begin() const { + const Use::UserRef *ref = + reinterpret_cast(op_begin() + ReservedSpace); + return reinterpret_cast(ref + 1); + } + + block_iterator block_end() { + return block_begin() + getNumOperands(); + } + + const_block_iterator block_end() const { + return block_begin() + getNumOperands(); + } + /// getNumIncomingValues - Return the number of incoming edges /// - unsigned getNumIncomingValues() const { return getNumOperands()/2; } + unsigned getNumIncomingValues() const { return getNumOperands(); } /// getIncomingValue - Return incoming value number x /// Value *getIncomingValue(unsigned i) const { - assert(i*2 < getNumOperands() && "Invalid value number!"); - return getOperand(i*2); + return getOperand(i); } void setIncomingValue(unsigned i, Value *V) { - assert(i*2 < getNumOperands() && "Invalid value number!"); - setOperand(i*2, V); + setOperand(i, V); } static unsigned getOperandNumForIncomingValue(unsigned i) { - return i*2; + return i; } static unsigned getIncomingValueNumForOperand(unsigned i) { - assert(i % 2 == 0 && "Invalid incoming-value operand index!"); - return i/2; + return i; } /// getIncomingBlock - Return incoming basic block number @p i. /// BasicBlock *getIncomingBlock(unsigned i) const { - return cast(getOperand(i*2+1)); + return block_begin()[i]; } /// getIncomingBlock - Return incoming basic block corresponding @@ -1872,7 +2066,7 @@ public: /// BasicBlock *getIncomingBlock(const Use &U) const { assert(this == U.getUser() && "Iterator doesn't point to PHI's Uses?"); - return cast((&U + 1)->get()); + return getIncomingBlock(unsigned(&U - op_begin())); } /// getIncomingBlock - Return incoming basic block corresponding @@ -1883,16 +2077,8 @@ public: return getIncomingBlock(I.getUse()); } - void setIncomingBlock(unsigned i, BasicBlock *BB) { - setOperand(i*2+1, (Value*)BB); - } - static unsigned getOperandNumForIncomingBlock(unsigned i) { - return i*2+1; - } - static unsigned getIncomingBlockNumForOperand(unsigned i) { - assert(i % 2 == 1 && "Invalid incoming-block operand index!"); - return i/2; + block_begin()[i] = BB; } /// addIncoming - Add an incoming value to the end of the PHI list @@ -1902,13 +2088,12 @@ public: assert(BB && "PHI node got a null basic block!"); assert(getType() == V->getType() && "All operands to PHI node must be the same type as the PHI node!"); - unsigned OpNo = NumOperands; - if (OpNo+2 > ReservedSpace) - resizeOperands(0); // Get more space! + if (NumOperands == ReservedSpace) + growOperands(); // Get more space! // Initialize some new operands. - NumOperands = OpNo+2; - OperandList[OpNo] = V; - OperandList[OpNo+1] = (Value*)BB; + ++NumOperands; + setIncomingValue(NumOperands - 1, V); + setIncomingBlock(NumOperands - 1, BB); } /// removeIncomingValue - Remove an incoming value. This is useful if a @@ -1931,14 +2116,16 @@ public: /// block in the value list for this PHI. Returns -1 if no instance. /// int getBasicBlockIndex(const BasicBlock *BB) const { - Use *OL = OperandList; - for (unsigned i = 0, e = getNumOperands(); i != e; i += 2) - if (OL[i+1].get() == (const Value*)BB) return i/2; + for (unsigned i = 0, e = getNumOperands(); i != e; ++i) + if (block_begin()[i] == BB) + return i; return -1; } Value *getIncomingValueForBlock(const BasicBlock *BB) const { - return getIncomingValue(getBasicBlockIndex(BB)); + int Idx = getBasicBlockIndex(BB); + assert(Idx >= 0 && "Invalid basic block argument!"); + return getIncomingValue(Idx); } /// hasConstantValue - If the specified PHI node always merges together the @@ -1946,7 +2133,6 @@ public: Value *hasConstantValue() const; /// Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const PHINode *) { return true; } static inline bool classof(const Instruction *I) { return I->getOpcode() == Instruction::PHI; } @@ -1954,7 +2140,7 @@ public: return isa(V) && classof(cast(V)); } private: - void resizeOperands(unsigned NumOperands); + void growOperands(); }; template <> @@ -1963,6 +2149,110 @@ struct OperandTraits : public HungoffOperandTraits<2> { DEFINE_TRANSPARENT_OPERAND_ACCESSORS(PHINode, Value) +//===----------------------------------------------------------------------===// +// LandingPadInst Class +//===----------------------------------------------------------------------===// + +//===--------------------------------------------------------------------------- +/// LandingPadInst - The landingpad instruction holds all of the information +/// necessary to generate correct exception handling. The landingpad instruction +/// cannot be moved from the top of a landing pad block, which itself is +/// accessible only from the 'unwind' edge of an invoke. This uses the +/// SubclassData field in Value to store whether or not the landingpad is a +/// cleanup. +/// +class LandingPadInst : public Instruction { + /// ReservedSpace - The number of operands actually allocated. NumOperands is + /// the number actually in use. + unsigned ReservedSpace; + LandingPadInst(const LandingPadInst &LP); +public: + enum ClauseType { Catch, Filter }; +private: + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; + // Allocate space for exactly zero operands. + void *operator new(size_t s) { + return User::operator new(s, 0); + } + void growOperands(unsigned Size); + void init(Value *PersFn, unsigned NumReservedValues, const Twine &NameStr); + + explicit LandingPadInst(Type *RetTy, Value *PersonalityFn, + unsigned NumReservedValues, const Twine &NameStr, + Instruction *InsertBefore); + explicit LandingPadInst(Type *RetTy, Value *PersonalityFn, + unsigned NumReservedValues, const Twine &NameStr, + BasicBlock *InsertAtEnd); +protected: + virtual LandingPadInst *clone_impl() const; +public: + /// Constructors - NumReservedClauses is a hint for the number of incoming + /// clauses that this landingpad will have (use 0 if you really have no idea). + static LandingPadInst *Create(Type *RetTy, Value *PersonalityFn, + unsigned NumReservedClauses, + const Twine &NameStr = "", + Instruction *InsertBefore = 0); + static LandingPadInst *Create(Type *RetTy, Value *PersonalityFn, + unsigned NumReservedClauses, + const Twine &NameStr, BasicBlock *InsertAtEnd); + ~LandingPadInst(); + + /// Provide fast operand accessors + DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); + + /// getPersonalityFn - Get the personality function associated with this + /// landing pad. + Value *getPersonalityFn() const { return getOperand(0); } + + /// isCleanup - Return 'true' if this landingpad instruction is a + /// cleanup. I.e., it should be run when unwinding even if its landing pad + /// doesn't catch the exception. + bool isCleanup() const { return getSubclassDataFromInstruction() & 1; } + + /// setCleanup - Indicate that this landingpad instruction is a cleanup. + void setCleanup(bool V) { + setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) | + (V ? 1 : 0)); + } + + /// addClause - Add a catch or filter clause to the landing pad. + void addClause(Value *ClauseVal); + + /// getClause - Get the value of the clause at index Idx. Use isCatch/isFilter + /// to determine what type of clause this is. + Value *getClause(unsigned Idx) const { return OperandList[Idx + 1]; } + + /// isCatch - Return 'true' if the clause and index Idx is a catch clause. + bool isCatch(unsigned Idx) const { + return !isa(OperandList[Idx + 1]->getType()); + } + + /// isFilter - Return 'true' if the clause and index Idx is a filter clause. + bool isFilter(unsigned Idx) const { + return isa(OperandList[Idx + 1]->getType()); + } + + /// getNumClauses - Get the number of clauses for this landing pad. + unsigned getNumClauses() const { return getNumOperands() - 1; } + + /// reserveClauses - Grow the size of the operand list to accommodate the new + /// number of clauses. + void reserveClauses(unsigned Size) { growOperands(Size); } + + // Methods for support type inquiry through isa, cast, and dyn_cast: + static inline bool classof(const Instruction *I) { + return I->getOpcode() == Instruction::LandingPad; + } + static inline bool classof(const Value *V) { + return isa(V) && classof(cast(V)); + } +}; + +template <> +struct OperandTraits : public HungoffOperandTraits<2> { +}; + +DEFINE_TRANSPARENT_OPERAND_ACCESSORS(LandingPadInst, Value) //===----------------------------------------------------------------------===// // ReturnInst Class @@ -2018,7 +2308,6 @@ public: unsigned getNumSuccessors() const { return 0; } // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const ReturnInst *) { return true; } static inline bool classof(const Instruction *I) { return (I->getOpcode() == Instruction::Ret); } @@ -2032,7 +2321,7 @@ public: }; template <> -struct OperandTraits : public VariadicOperandTraits<> { +struct OperandTraits : public VariadicOperandTraits { }; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ReturnInst, Value) @@ -2110,8 +2399,14 @@ public: *(&Op<-1>() - idx) = (Value*)NewSucc; } + /// \brief Swap the successors of this branch instruction. + /// + /// Swaps the successors of the branch instruction. This also swaps any + /// branch weight metadata associated with the instruction so that it + /// continues to map correctly to each operand. + void swapSuccessors(); + // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const BranchInst *) { return true; } static inline bool classof(const Instruction *I) { return (I->getOpcode() == Instruction::Br); } @@ -2125,7 +2420,8 @@ private: }; template <> -struct OperandTraits : public VariadicOperandTraits<1> {}; +struct OperandTraits : public VariadicOperandTraits { +}; DEFINE_TRANSPARENT_OPERAND_ACCESSORS(BranchInst, Value) @@ -2137,15 +2433,36 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(BranchInst, Value) /// SwitchInst - Multiway switch /// class SwitchInst : public TerminatorInst { - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; unsigned ReservedSpace; + // Operands format: // 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 + + // Store case values separately from operands list. We needn't User-Use + // concept here, since it is just a case value, it will always constant, + // and case value couldn't reused with another instructions/values. + // Additionally: + // It allows us to use custom type for case values that is not inherited + // from Value. Since case value is a complex type that implements + // the subset of integers, we needn't extract sub-constants within + // slow getAggregateElement method. + // For case values we will use std::list to by two reasons: + // 1. It allows to add/remove cases without whole collection reallocation. + // 2. In most of cases we needn't random access. + // Currently case values are also stored in Operands List, but it will moved + // out in future commits. + typedef std::list Subsets; + typedef Subsets::iterator SubsetsIt; + typedef Subsets::const_iterator SubsetsConstIt; + + Subsets TheSubsets; + SwitchInst(const SwitchInst &SI); void init(Value *Value, BasicBlock *Default, unsigned NumReserved); - void resizeOperands(unsigned No); + void growOperands(); // allocate space for exactly zero operands void *operator new(size_t s) { return User::operator new(s, 0); @@ -2166,6 +2483,26 @@ class SwitchInst : public TerminatorInst { protected: virtual SwitchInst *clone_impl() const; public: + + // FIXME: Currently there are a lot of unclean template parameters, + // we need to make refactoring in future. + // All these parameters are used to implement both iterator and const_iterator + // without code duplication. + // SwitchInstTy may be "const SwitchInst" or "SwitchInst" + // ConstantIntTy may be "const ConstantInt" or "ConstantInt" + // SubsetsItTy may be SubsetsConstIt or SubsetsIt + // BasicBlockTy may be "const BasicBlock" or "BasicBlock" + template + class CaseIteratorT; + + typedef CaseIteratorT ConstCaseIt; + class CaseIt; + + // -2 + static const unsigned DefaultPseudoIndex = static_cast(~0L-1); + static SwitchInst *Create(Value *Value, BasicBlock *Default, unsigned NumCases, Instruction *InsertBefore = 0) { return new SwitchInst(Value, Default, NumCases, InsertBefore); @@ -2174,6 +2511,7 @@ public: unsigned NumCases, BasicBlock *InsertAtEnd) { return new SwitchInst(Value, Default, NumCases, InsertAtEnd); } + ~SwitchInst(); /// Provide fast operand accessors @@ -2187,60 +2525,101 @@ public: return cast(getOperand(1)); } - /// getNumCases - return the number of 'cases' in this switch instruction. - /// Note that case #0 is always the default case. - unsigned getNumCases() const { - return getNumOperands()/2; - } - - /// getCaseValue - Return the specified case value. Note that case #0, the - /// default destination, does not have a case value. - ConstantInt *getCaseValue(unsigned i) { - assert(i && i < getNumCases() && "Illegal case value to get!"); - return getSuccessorValue(i); - } - - /// getCaseValue - Return the specified case value. Note that case #0, the - /// default destination, does not have a case value. - const ConstantInt *getCaseValue(unsigned i) const { - assert(i && i < getNumCases() && "Illegal case value to get!"); - return getSuccessorValue(i); + void setDefaultDest(BasicBlock *DefaultCase) { + setOperand(1, reinterpret_cast(DefaultCase)); } + /// getNumCases - return the number of 'cases' in this switch instruction, + /// except the default case + unsigned getNumCases() const { + return getNumOperands()/2 - 1; + } + + /// Returns a read/write iterator that points to the first + /// case in SwitchInst. + CaseIt case_begin() { + return CaseIt(this, 0, TheSubsets.begin()); + } + /// Returns a read-only iterator that points to the first + /// case in the SwitchInst. + ConstCaseIt case_begin() const { + return ConstCaseIt(this, 0, TheSubsets.begin()); + } + + /// Returns a read/write iterator that points one past the last + /// in the SwitchInst. + CaseIt case_end() { + return CaseIt(this, getNumCases(), TheSubsets.end()); + } + /// Returns a read-only iterator that points one past the last + /// in the SwitchInst. + ConstCaseIt case_end() const { + return ConstCaseIt(this, getNumCases(), TheSubsets.end()); + } + /// Returns an iterator that points to the default case. + /// Note: this iterator allows to resolve successor only. Attempt + /// to resolve case value causes an assertion. + /// Also note, that increment and decrement also causes an assertion and + /// makes iterator invalid. + CaseIt case_default() { + return CaseIt(this, DefaultPseudoIndex, TheSubsets.end()); + } + ConstCaseIt case_default() const { + return ConstCaseIt(this, DefaultPseudoIndex, TheSubsets.end()); + } + /// findCaseValue - Search all of the case values for the specified constant. - /// If it is explicitly handled, return the case number of it, otherwise - /// return 0 to indicate that it is handled by the default handler. - unsigned findCaseValue(const ConstantInt *C) const { - for (unsigned i = 1, e = getNumCases(); i != e; ++i) - if (getCaseValue(i) == C) + /// If it is explicitly handled, return the case iterator of it, otherwise + /// return default case iterator to indicate + /// that it is handled by the default handler. + CaseIt findCaseValue(const ConstantInt *C) { + for (CaseIt i = case_begin(), e = case_end(); i != e; ++i) + if (i.getCaseValueEx().isSatisfies(IntItem::fromConstantInt(C))) return i; - return 0; + return case_default(); } - + ConstCaseIt findCaseValue(const ConstantInt *C) const { + for (ConstCaseIt i = case_begin(), e = case_end(); i != e; ++i) + if (i.getCaseValueEx().isSatisfies(IntItem::fromConstantInt(C))) + return i; + return case_default(); + } + /// findCaseDest - Finds the unique case value for a given successor. Returns /// null if the successor is not found, not unique, or is the default case. ConstantInt *findCaseDest(BasicBlock *BB) { if (BB == getDefaultDest()) return NULL; ConstantInt *CI = NULL; - for (unsigned i = 1, e = getNumCases(); i != e; ++i) { - if (getSuccessor(i) == BB) { + for (CaseIt i = case_begin(), e = case_end(); i != e; ++i) { + if (i.getCaseSuccessor() == BB) { if (CI) return NULL; // Multiple cases lead to BB. - else CI = getCaseValue(i); + else CI = i.getCaseValue(); } } return CI; } /// addCase - Add an entry to the switch instruction... - /// + /// @deprecated + /// Note: + /// This action invalidates case_end(). Old case_end() iterator will + /// point to the added case. void addCase(ConstantInt *OnVal, BasicBlock *Dest); - - /// removeCase - This method removes the specified successor from the switch - /// instruction. Note that this cannot be used to remove the default - /// destination (successor #0). - /// - void removeCase(unsigned idx); + + /// addCase - Add an entry to the switch instruction. + /// Note: + /// This action invalidates case_end(). Old case_end() iterator will + /// point to the added case. + void addCase(IntegersSubset& OnVal, BasicBlock *Dest); + + /// removeCase - This method removes the specified case and its successor + /// from the switch instruction. Note that this operation may reorder the + /// remaining cases at index idx and above. + /// Note: + /// This action invalidates iterators for all cases following the one removed, + /// including the case_end() iterator. + void removeCase(CaseIt& i); unsigned getNumSuccessors() const { return getNumOperands()/2; } BasicBlock *getSuccessor(unsigned idx) const { @@ -2251,16 +2630,193 @@ public: assert(idx < getNumSuccessors() && "Successor # out of range for switch!"); setOperand(idx*2+1, (Value*)NewSucc); } + + uint16_t hash() const { + uint32_t NumberOfCases = (uint32_t)getNumCases(); + uint16_t Hash = (0xFFFF & NumberOfCases) ^ (NumberOfCases >> 16); + for (ConstCaseIt i = case_begin(), e = case_end(); + i != e; ++i) { + uint32_t NumItems = (uint32_t)i.getCaseValueEx().getNumItems(); + Hash = (Hash << 1) ^ (0xFFFF & NumItems) ^ (NumItems >> 16); + } + return Hash; + } + + // Case iterators definition. + + template + class CaseIteratorT { + protected: + + SwitchInstTy *SI; + unsigned long Index; + SubsetsItTy SubsetIt; + + /// Initializes case iterator for given SwitchInst and for given + /// case number. + friend class SwitchInst; + CaseIteratorT(SwitchInstTy *SI, unsigned SuccessorIndex, + SubsetsItTy CaseValueIt) { + this->SI = SI; + Index = SuccessorIndex; + this->SubsetIt = CaseValueIt; + } + + public: + typedef typename SubsetsItTy::reference IntegersSubsetRef; + typedef CaseIteratorT Self; + + CaseIteratorT(SwitchInstTy *SI, unsigned CaseNum) { + this->SI = SI; + Index = CaseNum; + SubsetIt = SI->TheSubsets.begin(); + std::advance(SubsetIt, CaseNum); + } + + + /// Initializes case iterator for given SwitchInst and for given + /// TerminatorInst's successor index. + static Self fromSuccessorIndex(SwitchInstTy *SI, unsigned SuccessorIndex) { + assert(SuccessorIndex < SI->getNumSuccessors() && + "Successor index # out of range!"); + return SuccessorIndex != 0 ? + Self(SI, SuccessorIndex - 1) : + Self(SI, DefaultPseudoIndex); + } + + /// Resolves case value for current case. + /// @deprecated + ConstantIntTy *getCaseValue() { + assert(Index < SI->getNumCases() && "Index out the number of cases."); + IntegersSubsetRef CaseRanges = *SubsetIt; + + // FIXME: Currently we work with ConstantInt based cases. + // So return CaseValue as ConstantInt. + return CaseRanges.getSingleNumber(0).toConstantInt(); + } - // getSuccessorValue - Return the value associated with the specified - // successor. - ConstantInt *getSuccessorValue(unsigned idx) const { - assert(idx < getNumSuccessors() && "Successor # out of range!"); - return reinterpret_cast(getOperand(idx*2)); - } + /// Resolves case value for current case. + IntegersSubsetRef getCaseValueEx() { + assert(Index < SI->getNumCases() && "Index out the number of cases."); + return *SubsetIt; + } + + /// Resolves successor for current case. + BasicBlockTy *getCaseSuccessor() { + assert((Index < SI->getNumCases() || + Index == DefaultPseudoIndex) && + "Index out the number of cases."); + return SI->getSuccessor(getSuccessorIndex()); + } + + /// Returns number of current case. + unsigned getCaseIndex() const { return Index; } + + /// Returns TerminatorInst's successor index for current case successor. + unsigned getSuccessorIndex() const { + assert((Index == DefaultPseudoIndex || Index < SI->getNumCases()) && + "Index out the number of cases."); + return Index != DefaultPseudoIndex ? Index + 1 : 0; + } + + Self operator++() { + // Check index correctness after increment. + // Note: Index == getNumCases() means end(). + assert(Index+1 <= SI->getNumCases() && "Index out the number of cases."); + ++Index; + if (Index == 0) + SubsetIt = SI->TheSubsets.begin(); + else + ++SubsetIt; + return *this; + } + Self operator++(int) { + Self tmp = *this; + ++(*this); + return tmp; + } + Self operator--() { + // Check index correctness after decrement. + // Note: Index == getNumCases() means end(). + // Also allow "-1" iterator here. That will became valid after ++. + unsigned NumCases = SI->getNumCases(); + assert((Index == 0 || Index-1 <= NumCases) && + "Index out the number of cases."); + --Index; + if (Index == NumCases) { + SubsetIt = SI->TheSubsets.end(); + return *this; + } + + if (Index != -1UL) + --SubsetIt; + + return *this; + } + Self operator--(int) { + Self tmp = *this; + --(*this); + return tmp; + } + bool operator==(const Self& RHS) const { + assert(RHS.SI == SI && "Incompatible operators."); + return RHS.Index == Index; + } + bool operator!=(const Self& RHS) const { + assert(RHS.SI == SI && "Incompatible operators."); + return RHS.Index != Index; + } + }; + + class CaseIt : public CaseIteratorT { + typedef CaseIteratorT + ParentTy; + + protected: + friend class SwitchInst; + CaseIt(SwitchInst *SI, unsigned CaseNum, SubsetsIt SubsetIt) : + ParentTy(SI, CaseNum, SubsetIt) {} + + void updateCaseValueOperand(IntegersSubset& V) { + SI->setOperand(2 + Index*2, reinterpret_cast((Constant*)V)); + } + + public: + + CaseIt(SwitchInst *SI, unsigned CaseNum) : ParentTy(SI, CaseNum) {} + + CaseIt(const ParentTy& Src) : ParentTy(Src) {} + + /// Sets the new value for current case. + /// @deprecated. + void setValue(ConstantInt *V) { + assert(Index < SI->getNumCases() && "Index out the number of cases."); + IntegersSubsetToBB Mapping; + // FIXME: Currently we work with ConstantInt based cases. + // So inititalize IntItem container directly from ConstantInt. + Mapping.add(IntItem::fromConstantInt(V)); + *SubsetIt = Mapping.getCase(); + updateCaseValueOperand(*SubsetIt); + } + + /// Sets the new value for current case. + void setValueEx(IntegersSubset& V) { + assert(Index < SI->getNumCases() && "Index out the number of cases."); + *SubsetIt = V; + updateCaseValueOperand(*SubsetIt); + } + + /// Sets the new successor for current case. + void setSuccessor(BasicBlock *S) { + SI->setSuccessor(getSuccessorIndex(), S); + } + }; // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const SwitchInst *) { return true; } + static inline bool classof(const Instruction *I) { return I->getOpcode() == Instruction::Switch; } @@ -2288,7 +2844,7 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(SwitchInst, Value) /// IndirectBrInst - Indirect Branch Instruction. /// class IndirectBrInst : public TerminatorInst { - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; unsigned ReservedSpace; // Operand[0] = Value to switch on // Operand[1] = Default basic block destination @@ -2296,7 +2852,7 @@ class IndirectBrInst : public TerminatorInst { // Operand[2n+1] = BasicBlock to go to on match IndirectBrInst(const IndirectBrInst &IBI); void init(Value *Address, unsigned NumDests); - void resizeOperands(unsigned No); + void growOperands(); // allocate space for exactly zero operands void *operator new(size_t s) { return User::operator new(s, 0); @@ -2359,7 +2915,6 @@ public: } // 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; } @@ -2389,71 +2944,39 @@ DEFINE_TRANSPARENT_OPERAND_ACCESSORS(IndirectBrInst, Value) class InvokeInst : public TerminatorInst { AttrListPtr AttributeList; InvokeInst(const InvokeInst &BI); - void init(Value *Fn, BasicBlock *IfNormal, BasicBlock *IfException, - Value* const *Args, unsigned NumArgs); - - template void init(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, - RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd, - const Twine &NameStr, - // This argument ensures that we have an iterator we can - // do arithmetic on in constant time - std::random_access_iterator_tag) { - unsigned NumArgs = (unsigned)std::distance(ArgBegin, ArgEnd); - - // This requires that the iterator points to contiguous memory. - init(Func, IfNormal, IfException, NumArgs ? &*ArgBegin : 0, NumArgs); - setName(NameStr); - } + ArrayRef Args, const Twine &NameStr); /// Construct an InvokeInst given a range of arguments. - /// RandomAccessIterator must be a random-access iterator pointing to - /// contiguous storage (e.g. a std::vector<>::iterator). Checks are - /// made for random-accessness but not for contiguous storage as - /// that would incur runtime overhead. /// - /// @brief Construct an InvokeInst from a range of arguments - template + /// \brief Construct an InvokeInst from a range of arguments inline InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, - RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd, - unsigned Values, + ArrayRef Args, unsigned Values, const Twine &NameStr, Instruction *InsertBefore); /// Construct an InvokeInst given a range of arguments. - /// RandomAccessIterator must be a random-access iterator pointing to - /// contiguous storage (e.g. a std::vector<>::iterator). Checks are - /// made for random-accessness but not for contiguous storage as - /// that would incur runtime overhead. /// - /// @brief Construct an InvokeInst from a range of arguments - template + /// \brief Construct an InvokeInst from a range of arguments inline InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, - RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd, - unsigned Values, + ArrayRef Args, unsigned Values, const Twine &NameStr, BasicBlock *InsertAtEnd); protected: virtual InvokeInst *clone_impl() const; public: - template static InvokeInst *Create(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, - RandomAccessIterator ArgBegin, - RandomAccessIterator ArgEnd, - const Twine &NameStr = "", + ArrayRef Args, const Twine &NameStr = "", Instruction *InsertBefore = 0) { - unsigned Values(ArgEnd - ArgBegin + 3); - return new(Values) InvokeInst(Func, IfNormal, IfException, ArgBegin, ArgEnd, + unsigned Values = unsigned(Args.size()) + 3; + return new(Values) InvokeInst(Func, IfNormal, IfException, Args, Values, NameStr, InsertBefore); } - template static InvokeInst *Create(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, - RandomAccessIterator ArgBegin, - RandomAccessIterator ArgEnd, - const Twine &NameStr, + ArrayRef Args, const Twine &NameStr, BasicBlock *InsertAtEnd) { - unsigned Values(ArgEnd - ArgBegin + 3); - return new(Values) InvokeInst(Func, IfNormal, IfException, ArgBegin, ArgEnd, + unsigned Values = unsigned(Args.size()) + 3; + return new(Values) InvokeInst(Func, IfNormal, IfException, Args, Values, NameStr, InsertAtEnd); } @@ -2492,63 +3015,69 @@ public: /// removeAttribute - removes the attribute from the list of attributes. void removeAttribute(unsigned i, Attributes attr); - /// @brief Determine whether the call or the callee has the given attribute. - bool paramHasAttr(unsigned i, Attributes attr) const; + /// \brief Determine whether this call has the NoAlias attribute. + bool hasFnAttr(Attributes::AttrVal A) const; - /// @brief Extract the alignment for a call or parameter (0=unknown). + /// \brief Determine whether the call or the callee has the given attributes. + bool paramHasAttr(unsigned i, Attributes::AttrVal A) const; + + /// \brief Extract the alignment for a call or parameter (0=unknown). unsigned getParamAlignment(unsigned i) const { return AttributeList.getParamAlignment(i); } - /// @brief Return true if the call should not be inlined. - bool isNoInline() const { return paramHasAttr(~0, Attribute::NoInline); } - void setIsNoInline(bool Value = true) { - if (Value) addAttribute(~0, Attribute::NoInline); - else removeAttribute(~0, Attribute::NoInline); + /// \brief Return true if the call should not be inlined. + bool isNoInline() const { return hasFnAttr(Attributes::NoInline); } + void setIsNoInline() { + addAttribute(AttrListPtr::FunctionIndex, + Attributes::get(getContext(), Attributes::NoInline)); } - /// @brief Determine if the call does not access memory. + /// \brief Determine if the call does not access memory. bool doesNotAccessMemory() const { - return paramHasAttr(~0, Attribute::ReadNone); + return hasFnAttr(Attributes::ReadNone); } - void setDoesNotAccessMemory(bool NotAccessMemory = true) { - if (NotAccessMemory) addAttribute(~0, Attribute::ReadNone); - else removeAttribute(~0, Attribute::ReadNone); + void setDoesNotAccessMemory() { + addAttribute(AttrListPtr::FunctionIndex, + Attributes::get(getContext(), Attributes::ReadNone)); } - /// @brief Determine if the call does not access or only reads memory. + /// \brief Determine if the call does not access or only reads memory. bool onlyReadsMemory() const { - return doesNotAccessMemory() || paramHasAttr(~0, Attribute::ReadOnly); + return doesNotAccessMemory() || hasFnAttr(Attributes::ReadOnly); } - void setOnlyReadsMemory(bool OnlyReadsMemory = true) { - if (OnlyReadsMemory) addAttribute(~0, Attribute::ReadOnly); - else removeAttribute(~0, Attribute::ReadOnly | Attribute::ReadNone); + void setOnlyReadsMemory() { + addAttribute(AttrListPtr::FunctionIndex, + Attributes::get(getContext(), Attributes::ReadOnly)); } - /// @brief Determine if the call cannot return. - bool doesNotReturn() const { return paramHasAttr(~0, Attribute::NoReturn); } - void setDoesNotReturn(bool DoesNotReturn = true) { - if (DoesNotReturn) addAttribute(~0, Attribute::NoReturn); - else removeAttribute(~0, Attribute::NoReturn); + /// \brief Determine if the call cannot return. + bool doesNotReturn() const { return hasFnAttr(Attributes::NoReturn); } + void setDoesNotReturn() { + addAttribute(AttrListPtr::FunctionIndex, + Attributes::get(getContext(), Attributes::NoReturn)); } - /// @brief Determine if the call cannot unwind. - bool doesNotThrow() const { return paramHasAttr(~0, Attribute::NoUnwind); } - void setDoesNotThrow(bool DoesNotThrow = true) { - if (DoesNotThrow) addAttribute(~0, Attribute::NoUnwind); - else removeAttribute(~0, Attribute::NoUnwind); + /// \brief Determine if the call cannot unwind. + bool doesNotThrow() const { return hasFnAttr(Attributes::NoUnwind); } + void setDoesNotThrow() { + addAttribute(AttrListPtr::FunctionIndex, + Attributes::get(getContext(), Attributes::NoUnwind)); } - /// @brief Determine if the call returns a structure through first + /// \brief Determine if the call returns a structure through first /// pointer argument. bool hasStructRetAttr() const { // Be friendly and also check the callee. - return paramHasAttr(1, Attribute::StructRet); + return paramHasAttr(1, Attributes::StructRet); } - /// @brief Determine if any call argument is an aggregate passed by value. + /// \brief Determine if any call argument is an aggregate passed by value. bool hasByValArgument() const { - return AttributeList.hasAttrSomewhere(Attribute::ByVal); + for (unsigned I = 0, E = AttributeList.getNumAttrs(); I != E; ++I) + if (AttributeList.getAttributesAtIndex(I).hasAttribute(Attributes::ByVal)) + return true; + return false; } /// getCalledFunction - Return the function called, or null if this is an @@ -2582,6 +3111,10 @@ public: Op<-1>() = reinterpret_cast(B); } + /// getLandingPadInst - Get the landingpad instruction from the landing pad + /// block (the unwind destination). + LandingPadInst *getLandingPadInst() const; + BasicBlock *getSuccessor(unsigned i) const { assert(i < 2 && "Successor # out of range for invoke!"); return i == 0 ? getNormalDest() : getUnwindDest(); @@ -2595,7 +3128,6 @@ public: unsigned getNumSuccessors() const { return 2; } // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const InvokeInst *) { return true; } static inline bool classof(const Instruction *I) { return (I->getOpcode() == Instruction::Invoke); } @@ -2616,70 +3148,67 @@ private: }; template <> -struct OperandTraits : public VariadicOperandTraits<3> { +struct OperandTraits : public VariadicOperandTraits { }; -template InvokeInst::InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, - RandomAccessIterator ArgBegin, - RandomAccessIterator ArgEnd, - unsigned Values, + ArrayRef Args, unsigned Values, const Twine &NameStr, Instruction *InsertBefore) : TerminatorInst(cast(cast(Func->getType()) ->getElementType())->getReturnType(), Instruction::Invoke, OperandTraits::op_end(this) - Values, Values, InsertBefore) { - init(Func, IfNormal, IfException, ArgBegin, ArgEnd, NameStr, - typename std::iterator_traits - ::iterator_category()); + init(Func, IfNormal, IfException, Args, NameStr); } -template InvokeInst::InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, - RandomAccessIterator ArgBegin, - RandomAccessIterator ArgEnd, - unsigned Values, + ArrayRef Args, unsigned Values, const Twine &NameStr, BasicBlock *InsertAtEnd) : TerminatorInst(cast(cast(Func->getType()) ->getElementType())->getReturnType(), Instruction::Invoke, OperandTraits::op_end(this) - Values, Values, InsertAtEnd) { - init(Func, IfNormal, IfException, ArgBegin, ArgEnd, NameStr, - typename std::iterator_traits - ::iterator_category()); + init(Func, IfNormal, IfException, Args, NameStr); } DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InvokeInst, Value) //===----------------------------------------------------------------------===// -// UnwindInst Class +// ResumeInst Class //===----------------------------------------------------------------------===// //===--------------------------------------------------------------------------- -/// UnwindInst - Immediately exit the current function, unwinding the stack -/// until an invoke instruction is found. +/// ResumeInst - Resume the propagation of an exception. /// -class UnwindInst : public TerminatorInst { - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT +class ResumeInst : public TerminatorInst { + ResumeInst(const ResumeInst &RI); + + explicit ResumeInst(Value *Exn, Instruction *InsertBefore=0); + ResumeInst(Value *Exn, BasicBlock *InsertAtEnd); protected: - virtual UnwindInst *clone_impl() const; + virtual ResumeInst *clone_impl() const; public: - // allocate space for exactly zero operands - void *operator new(size_t s) { - return User::operator new(s, 0); + static ResumeInst *Create(Value *Exn, Instruction *InsertBefore = 0) { + return new(1) ResumeInst(Exn, InsertBefore); + } + static ResumeInst *Create(Value *Exn, BasicBlock *InsertAtEnd) { + return new(1) ResumeInst(Exn, InsertAtEnd); } - explicit UnwindInst(LLVMContext &C, Instruction *InsertBefore = 0); - explicit UnwindInst(LLVMContext &C, BasicBlock *InsertAtEnd); + + /// Provide fast operand accessors + DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); + + /// Convenience accessor. + Value *getValue() const { return Op<0>(); } unsigned getNumSuccessors() const { return 0; } // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const UnwindInst *) { return true; } static inline bool classof(const Instruction *I) { - return I->getOpcode() == Instruction::Unwind; + return I->getOpcode() == Instruction::Resume; } static inline bool classof(const Value *V) { return isa(V) && classof(cast(V)); @@ -2690,6 +3219,13 @@ private: virtual void setSuccessorV(unsigned idx, BasicBlock *B); }; +template <> +struct OperandTraits : + public FixedNumOperandTraits { +}; + +DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ResumeInst, Value) + //===----------------------------------------------------------------------===// // UnreachableInst Class //===----------------------------------------------------------------------===// @@ -2700,7 +3236,7 @@ private: /// end of the block cannot be reached. /// class UnreachableInst : public TerminatorInst { - void *operator new(size_t, unsigned); // DO NOT IMPLEMENT + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; protected: virtual UnreachableInst *clone_impl() const; @@ -2715,7 +3251,6 @@ public: unsigned getNumSuccessors() const { return 0; } // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const UnreachableInst *) { return true; } static inline bool classof(const Instruction *I) { return I->getOpcode() == Instruction::Unreachable; } @@ -2732,31 +3267,30 @@ private: // TruncInst Class //===----------------------------------------------------------------------===// -/// @brief This class represents a truncation of integer types. +/// \brief This class represents a truncation of integer types. class TruncInst : public CastInst { protected: - /// @brief Clone an identical TruncInst + /// \brief Clone an identical TruncInst virtual TruncInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics + /// \brief Constructor with insert-before-instruction semantics TruncInst( Value *S, ///< The value to be truncated - const Type *Ty, ///< The (smaller) type to truncate to + Type *Ty, ///< The (smaller) type to truncate to const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); - /// @brief Constructor with insert-at-end-of-block semantics + /// \brief Constructor with insert-at-end-of-block semantics TruncInst( Value *S, ///< The value to be truncated - const Type *Ty, ///< The (smaller) type to truncate to + Type *Ty, ///< The (smaller) type to truncate to const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const TruncInst *) { return true; } + /// \brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const Instruction *I) { return I->getOpcode() == Trunc; } @@ -2769,31 +3303,30 @@ public: // ZExtInst Class //===----------------------------------------------------------------------===// -/// @brief This class represents zero extension of integer types. +/// \brief This class represents zero extension of integer types. class ZExtInst : public CastInst { protected: - /// @brief Clone an identical ZExtInst + /// \brief Clone an identical ZExtInst virtual ZExtInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics + /// \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 + Type *Ty, ///< The type to zero extend to const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); - /// @brief Constructor with insert-at-end semantics. + /// \brief Constructor with insert-at-end semantics. ZExtInst( Value *S, ///< The value to be zero extended - const Type *Ty, ///< The type to zero extend to + Type *Ty, ///< The type to zero extend to const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const ZExtInst *) { return true; } + /// \brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const Instruction *I) { return I->getOpcode() == ZExt; } @@ -2806,31 +3339,30 @@ public: // SExtInst Class //===----------------------------------------------------------------------===// -/// @brief This class represents a sign extension of integer types. +/// \brief This class represents a sign extension of integer types. class SExtInst : public CastInst { protected: - /// @brief Clone an identical SExtInst + /// \brief Clone an identical SExtInst virtual SExtInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics + /// \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 + Type *Ty, ///< The type to sign extend to const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); - /// @brief Constructor with insert-at-end-of-block semantics + /// \brief Constructor with insert-at-end-of-block semantics SExtInst( Value *S, ///< The value to be sign extended - const Type *Ty, ///< The type to sign extend to + Type *Ty, ///< The type to sign extend to const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const SExtInst *) { return true; } + /// \brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const Instruction *I) { return I->getOpcode() == SExt; } @@ -2843,31 +3375,30 @@ public: // FPTruncInst Class //===----------------------------------------------------------------------===// -/// @brief This class represents a truncation of floating point types. +/// \brief This class represents a truncation of floating point types. class FPTruncInst : public CastInst { protected: - /// @brief Clone an identical FPTruncInst + /// \brief Clone an identical FPTruncInst virtual FPTruncInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics + /// \brief Constructor with insert-before-instruction semantics FPTruncInst( Value *S, ///< The value to be truncated - const Type *Ty, ///< The type to truncate to + Type *Ty, ///< The type to truncate to const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); - /// @brief Constructor with insert-before-instruction semantics + /// \brief Constructor with insert-before-instruction semantics FPTruncInst( Value *S, ///< The value to be truncated - const Type *Ty, ///< The type to truncate to + Type *Ty, ///< The type to truncate to const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const FPTruncInst *) { return true; } + /// \brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const Instruction *I) { return I->getOpcode() == FPTrunc; } @@ -2880,31 +3411,30 @@ public: // FPExtInst Class //===----------------------------------------------------------------------===// -/// @brief This class represents an extension of floating point types. +/// \brief This class represents an extension of floating point types. class FPExtInst : public CastInst { protected: - /// @brief Clone an identical FPExtInst + /// \brief Clone an identical FPExtInst virtual FPExtInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics + /// \brief Constructor with insert-before-instruction semantics FPExtInst( Value *S, ///< The value to be extended - const Type *Ty, ///< The type to extend to + Type *Ty, ///< The type to extend to const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); - /// @brief Constructor with insert-at-end-of-block semantics + /// \brief Constructor with insert-at-end-of-block semantics FPExtInst( Value *S, ///< The value to be extended - const Type *Ty, ///< The type to extend to + Type *Ty, ///< The type to extend to const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const FPExtInst *) { return true; } + /// \brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const Instruction *I) { return I->getOpcode() == FPExt; } @@ -2917,31 +3447,30 @@ public: // UIToFPInst Class //===----------------------------------------------------------------------===// -/// @brief This class represents a cast unsigned integer to floating point. +/// \brief This class represents a cast unsigned integer to floating point. class UIToFPInst : public CastInst { protected: - /// @brief Clone an identical UIToFPInst + /// \brief Clone an identical UIToFPInst virtual UIToFPInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics + /// \brief Constructor with insert-before-instruction semantics UIToFPInst( Value *S, ///< The value to be converted - const Type *Ty, ///< The type to convert to + Type *Ty, ///< The type to convert to const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); - /// @brief Constructor with insert-at-end-of-block semantics + /// \brief Constructor with insert-at-end-of-block semantics UIToFPInst( Value *S, ///< The value to be converted - const Type *Ty, ///< The type to convert to + Type *Ty, ///< The type to convert to const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const UIToFPInst *) { return true; } + /// \brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const Instruction *I) { return I->getOpcode() == UIToFP; } @@ -2954,31 +3483,30 @@ public: // SIToFPInst Class //===----------------------------------------------------------------------===// -/// @brief This class represents a cast from signed integer to floating point. +/// \brief This class represents a cast from signed integer to floating point. class SIToFPInst : public CastInst { protected: - /// @brief Clone an identical SIToFPInst + /// \brief Clone an identical SIToFPInst virtual SIToFPInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics + /// \brief Constructor with insert-before-instruction semantics SIToFPInst( Value *S, ///< The value to be converted - const Type *Ty, ///< The type to convert to + Type *Ty, ///< The type to convert to const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); - /// @brief Constructor with insert-at-end-of-block semantics + /// \brief Constructor with insert-at-end-of-block semantics SIToFPInst( Value *S, ///< The value to be converted - const Type *Ty, ///< The type to convert to + Type *Ty, ///< The type to convert to const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const SIToFPInst *) { return true; } + /// \brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const Instruction *I) { return I->getOpcode() == SIToFP; } @@ -2991,31 +3519,30 @@ public: // FPToUIInst Class //===----------------------------------------------------------------------===// -/// @brief This class represents a cast from floating point to unsigned integer +/// \brief This class represents a cast from floating point to unsigned integer class FPToUIInst : public CastInst { protected: - /// @brief Clone an identical FPToUIInst + /// \brief Clone an identical FPToUIInst virtual FPToUIInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics + /// \brief Constructor with insert-before-instruction semantics FPToUIInst( Value *S, ///< The value to be converted - const Type *Ty, ///< The type to convert to + Type *Ty, ///< The type to convert to const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); - /// @brief Constructor with insert-at-end-of-block semantics + /// \brief Constructor with insert-at-end-of-block semantics FPToUIInst( Value *S, ///< The value to be converted - const Type *Ty, ///< The type to convert to + Type *Ty, ///< The type to convert to const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< Where to insert the new instruction ); - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const FPToUIInst *) { return true; } + /// \brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const Instruction *I) { return I->getOpcode() == FPToUI; } @@ -3028,31 +3555,30 @@ public: // FPToSIInst Class //===----------------------------------------------------------------------===// -/// @brief This class represents a cast from floating point to signed integer. +/// \brief This class represents a cast from floating point to signed integer. class FPToSIInst : public CastInst { protected: - /// @brief Clone an identical FPToSIInst + /// \brief Clone an identical FPToSIInst virtual FPToSIInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics + /// \brief Constructor with insert-before-instruction semantics FPToSIInst( Value *S, ///< The value to be converted - const Type *Ty, ///< The type to convert to + Type *Ty, ///< The type to convert to const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); - /// @brief Constructor with insert-at-end-of-block semantics + /// \brief Constructor with insert-at-end-of-block semantics FPToSIInst( Value *S, ///< The value to be converted - const Type *Ty, ///< The type to convert to + Type *Ty, ///< The type to convert to const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const FPToSIInst *) { return true; } + /// \brief Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const Instruction *I) { return I->getOpcode() == FPToSI; } @@ -3065,30 +3591,34 @@ public: // IntToPtrInst Class //===----------------------------------------------------------------------===// -/// @brief This class represents a cast from an integer to a pointer. +/// \brief This class represents a cast from an integer to a pointer. class IntToPtrInst : public CastInst { public: - /// @brief Constructor with insert-before-instruction semantics + /// \brief Constructor with insert-before-instruction semantics IntToPtrInst( Value *S, ///< The value to be converted - const Type *Ty, ///< The type to convert to + Type *Ty, ///< The type to convert to const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); - /// @brief Constructor with insert-at-end-of-block semantics + /// \brief Constructor with insert-at-end-of-block semantics IntToPtrInst( Value *S, ///< The value to be converted - const Type *Ty, ///< The type to convert to + Type *Ty, ///< The type to convert to const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); - /// @brief Clone an identical IntToPtrInst + /// \brief Clone an identical IntToPtrInst virtual IntToPtrInst *clone_impl() const; + /// \brief Returns the address space of this instruction's pointer type. + unsigned getAddressSpace() const { + return getType()->getPointerAddressSpace(); + } + // Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const IntToPtrInst *) { return true; } static inline bool classof(const Instruction *I) { return I->getOpcode() == IntToPtr; } @@ -3101,31 +3631,42 @@ public: // PtrToIntInst Class //===----------------------------------------------------------------------===// -/// @brief This class represents a cast from a pointer to an integer +/// \brief This class represents a cast from a pointer to an integer class PtrToIntInst : public CastInst { protected: - /// @brief Clone an identical PtrToIntInst + /// \brief Clone an identical PtrToIntInst virtual PtrToIntInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics + /// \brief Constructor with insert-before-instruction semantics PtrToIntInst( Value *S, ///< The value to be converted - const Type *Ty, ///< The type to convert to + Type *Ty, ///< The type to convert to const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); - /// @brief Constructor with insert-at-end-of-block semantics + /// \brief Constructor with insert-at-end-of-block semantics PtrToIntInst( Value *S, ///< The value to be converted - const Type *Ty, ///< The type to convert to + Type *Ty, ///< The type to convert to const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); + /// \brief Gets the pointer operand. + Value *getPointerOperand() { return getOperand(0); } + /// \brief Gets the pointer operand. + const Value *getPointerOperand() const { return getOperand(0); } + /// \brief Gets the operand index of the pointer operand. + static unsigned getPointerOperandIndex() { return 0U; } + + /// \brief Returns the address space of the pointer operand. + unsigned getPointerAddressSpace() const { + return getPointerOperand()->getType()->getPointerAddressSpace(); + } + // 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) { return I->getOpcode() == PtrToInt; } @@ -3138,31 +3679,30 @@ public: // BitCastInst Class //===----------------------------------------------------------------------===// -/// @brief This class represents a no-op cast from one type to another. +/// \brief This class represents a no-op cast from one type to another. class BitCastInst : public CastInst { protected: - /// @brief Clone an identical BitCastInst + /// \brief Clone an identical BitCastInst virtual BitCastInst *clone_impl() const; public: - /// @brief Constructor with insert-before-instruction semantics + /// \brief Constructor with insert-before-instruction semantics BitCastInst( Value *S, ///< The value to be casted - const Type *Ty, ///< The type to casted to + Type *Ty, ///< The type to casted to const Twine &NameStr = "", ///< A name for the new instruction Instruction *InsertBefore = 0 ///< Where to insert the new instruction ); - /// @brief Constructor with insert-at-end-of-block semantics + /// \brief Constructor with insert-at-end-of-block semantics BitCastInst( Value *S, ///< The value to be casted - const Type *Ty, ///< The type to casted to + Type *Ty, ///< The type to casted to const Twine &NameStr, ///< A name for the new instruction BasicBlock *InsertAtEnd ///< The block to insert the instruction into ); // 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) { return I->getOpcode() == BitCast; }