//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#ifndef LLVM_INSTRUCTIONS_H
#define LLVM_INSTRUCTIONS_H
-#include <iterator>
-
#include "llvm/InstrTypes.h"
#include "llvm/DerivedTypes.h"
-#include "llvm/ParameterAttributes.h"
+#include "llvm/Attributes.h"
+#include "llvm/CallingConv.h"
+#include "llvm/ADT/SmallVector.h"
+#include <iterator>
namespace llvm {
-class BasicBlock;
class ConstantInt;
-class PointerType;
-class VectorType;
class ConstantRange;
class APInt;
-class ParamAttrsList;
+class LLVMContext;
+class DominatorTree;
//===----------------------------------------------------------------------===//
-// AllocationInst Class
+// AllocaInst Class
//===----------------------------------------------------------------------===//
-/// AllocationInst - This class is the common base class of MallocInst and
-/// AllocaInst.
+/// AllocaInst - an instruction to allocate memory on the stack
///
-class AllocationInst : public UnaryInstruction {
- unsigned Alignment;
+class AllocaInst : public UnaryInstruction {
protected:
- AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy, unsigned Align,
- const std::string &Name = "", Instruction *InsertBefore = 0);
- AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy, unsigned Align,
- const std::string &Name, BasicBlock *InsertAtEnd);
+ virtual AllocaInst *clone_impl() const;
public:
- // Out of line virtual method, so the vtable, etc has a home.
- virtual ~AllocationInst();
+ explicit AllocaInst(const Type *Ty, Value *ArraySize = 0,
+ const Twine &Name = "", Instruction *InsertBefore = 0);
+ AllocaInst(const Type *Ty, Value *ArraySize,
+ const Twine &Name, BasicBlock *InsertAtEnd);
+
+ AllocaInst(const Type *Ty, const Twine &Name, Instruction *InsertBefore = 0);
+ AllocaInst(const Type *Ty, const Twine &Name, BasicBlock *InsertAtEnd);
+
+ AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align,
+ const Twine &Name = "", Instruction *InsertBefore = 0);
+ AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align,
+ const Twine &Name, BasicBlock *InsertAtEnd);
+
+ // Out of line virtual method, so the vtable, etc. has a home.
+ virtual ~AllocaInst();
/// isArrayAllocation - Return true if there is an allocation size parameter
/// to the allocation instruction that is not 1.
///
bool isArrayAllocation() const;
- /// getArraySize - Get the number of element allocated, for a simple
+ /// getArraySize - Get the number of elements allocated. For a simple
/// allocation of a single element, this will return a constant 1 value.
///
- inline const Value *getArraySize() const { return getOperand(0); }
- inline Value *getArraySize() { return getOperand(0); }
+ const Value *getArraySize() const { return getOperand(0); }
+ Value *getArraySize() { return getOperand(0); }
/// getType - Overload to return most specific pointer type
///
- inline const PointerType *getType() const {
+ const PointerType *getType() const {
return reinterpret_cast<const PointerType*>(Instruction::getType());
}
/// getAlignment - Return the alignment of the memory that is being allocated
/// by the instruction.
///
- unsigned getAlignment() const { return Alignment; }
- void setAlignment(unsigned Align) {
- assert((Align & (Align-1)) == 0 && "Alignment is not a power of 2!");
- Alignment = Align;
- }
-
- virtual Instruction *clone() const = 0;
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const AllocationInst *) { return true; }
- static inline bool classof(const Instruction *I) {
- return I->getOpcode() == Instruction::Alloca ||
- I->getOpcode() == Instruction::Malloc;
- }
- static inline bool classof(const Value *V) {
- return isa<Instruction>(V) && classof(cast<Instruction>(V));
- }
-};
-
-
-//===----------------------------------------------------------------------===//
-// MallocInst Class
-//===----------------------------------------------------------------------===//
-
-/// MallocInst - an instruction to allocated memory on the heap
-///
-class MallocInst : public AllocationInst {
- MallocInst(const MallocInst &MI);
-public:
- explicit MallocInst(const Type *Ty, Value *ArraySize = 0,
- const std::string &Name = "",
- Instruction *InsertBefore = 0)
- : AllocationInst(Ty, ArraySize, Malloc, 0, Name, InsertBefore) {}
- MallocInst(const Type *Ty, Value *ArraySize, const std::string &Name,
- BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, ArraySize, Malloc, 0, Name, InsertAtEnd) {}
-
- MallocInst(const Type *Ty, const std::string &Name,
- Instruction *InsertBefore = 0)
- : AllocationInst(Ty, 0, Malloc, 0, Name, InsertBefore) {}
- MallocInst(const Type *Ty, const std::string &Name, BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, 0, Malloc, 0, Name, InsertAtEnd) {}
-
- MallocInst(const Type *Ty, Value *ArraySize, unsigned Align,
- const std::string &Name, BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, ArraySize, Malloc, Align, Name, InsertAtEnd) {}
- MallocInst(const Type *Ty, Value *ArraySize, unsigned Align,
- const std::string &Name = "",
- Instruction *InsertBefore = 0)
- : AllocationInst(Ty, ArraySize, Malloc, Align, Name, InsertBefore) {}
-
- virtual MallocInst *clone() const;
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const MallocInst *) { return true; }
- static inline bool classof(const Instruction *I) {
- return (I->getOpcode() == Instruction::Malloc);
- }
- static inline bool classof(const Value *V) {
- return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ unsigned getAlignment() const {
+ return (1u << getSubclassDataFromInstruction()) >> 1;
}
-};
-
-
-//===----------------------------------------------------------------------===//
-// AllocaInst Class
-//===----------------------------------------------------------------------===//
-
-/// AllocaInst - an instruction to allocate memory on the stack
-///
-class AllocaInst : public AllocationInst {
- AllocaInst(const AllocaInst &);
-public:
- explicit AllocaInst(const Type *Ty, Value *ArraySize = 0,
- const std::string &Name = "",
- Instruction *InsertBefore = 0)
- : AllocationInst(Ty, ArraySize, Alloca, 0, Name, InsertBefore) {}
- AllocaInst(const Type *Ty, Value *ArraySize, const std::string &Name,
- BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, ArraySize, Alloca, 0, Name, InsertAtEnd) {}
-
- AllocaInst(const Type *Ty, const std::string &Name,
- Instruction *InsertBefore = 0)
- : AllocationInst(Ty, 0, Alloca, 0, Name, InsertBefore) {}
- AllocaInst(const Type *Ty, const std::string &Name, BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, 0, Alloca, 0, Name, InsertAtEnd) {}
-
- AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align,
- const std::string &Name = "", Instruction *InsertBefore = 0)
- : AllocationInst(Ty, ArraySize, Alloca, Align, Name, InsertBefore) {}
- AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align,
- const std::string &Name, BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, ArraySize, Alloca, Align, Name, InsertAtEnd) {}
+ void setAlignment(unsigned Align);
- virtual AllocaInst *clone() const;
+ /// isStaticAlloca - Return true if this alloca is in the entry block of the
+ /// function and is a constant size. If so, the code generator will fold it
+ /// into the prolog/epilog code, so it is basically free.
+ 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 Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
-};
-
-
-//===----------------------------------------------------------------------===//
-// FreeInst Class
-//===----------------------------------------------------------------------===//
-
-/// FreeInst - an instruction to deallocate memory
-///
-class FreeInst : public UnaryInstruction {
- void AssertOK();
-public:
- explicit FreeInst(Value *Ptr, Instruction *InsertBefore = 0);
- FreeInst(Value *Ptr, BasicBlock *InsertAfter);
-
- virtual FreeInst *clone() const;
-
- // Accessor methods for consistency with other memory operations
- Value *getPointerOperand() { return getOperand(0); }
- const Value *getPointerOperand() const { return getOperand(0); }
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FreeInst *) { return true; }
- static inline bool classof(const Instruction *I) {
- return (I->getOpcode() == Instruction::Free);
- }
- static inline bool classof(const Value *V) {
- return isa<Instruction>(V) && classof(cast<Instruction>(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);
}
};
/// SubclassData field in Value to store whether or not the load is volatile.
///
class LoadInst : public UnaryInstruction {
-
- LoadInst(const LoadInst &LI)
- : UnaryInstruction(LI.getType(), Load, LI.getOperand(0)) {
- setVolatile(LI.isVolatile());
- setAlignment(LI.getAlignment());
-
-#ifndef NDEBUG
- AssertOK();
-#endif
- }
void AssertOK();
+protected:
+ virtual LoadInst *clone_impl() const;
public:
- LoadInst(Value *Ptr, const std::string &Name, Instruction *InsertBefore);
- LoadInst(Value *Ptr, const std::string &Name, BasicBlock *InsertAtEnd);
- LoadInst(Value *Ptr, const std::string &Name, bool isVolatile = false,
- Instruction *InsertBefore = 0);
- LoadInst(Value *Ptr, const std::string &Name, bool isVolatile, unsigned Align,
+ LoadInst(Value *Ptr, const Twine &NameStr, Instruction *InsertBefore);
+ LoadInst(Value *Ptr, const Twine &NameStr, BasicBlock *InsertAtEnd);
+ LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile = false,
Instruction *InsertBefore = 0);
- LoadInst(Value *Ptr, const std::string &Name, bool isVolatile,
+ 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 std::string &Name, bool isVolatile, unsigned Align,
+ LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
+ unsigned Align, BasicBlock *InsertAtEnd);
+
+ LoadInst(Value *Ptr, const char *NameStr, Instruction *InsertBefore);
+ LoadInst(Value *Ptr, const char *NameStr, BasicBlock *InsertAtEnd);
+ explicit LoadInst(Value *Ptr, const char *NameStr = 0,
+ bool isVolatile = false, Instruction *InsertBefore = 0);
+ LoadInst(Value *Ptr, const char *NameStr, bool isVolatile,
BasicBlock *InsertAtEnd);
- LoadInst(Value *Ptr, const char *Name, Instruction *InsertBefore);
- LoadInst(Value *Ptr, const char *Name, BasicBlock *InsertAtEnd);
- explicit LoadInst(Value *Ptr, const char *Name = 0, bool isVolatile = false,
- Instruction *InsertBefore = 0);
- LoadInst(Value *Ptr, const char *Name, bool isVolatile,
- BasicBlock *InsertAtEnd);
-
/// isVolatile - Return true if this is a load from a volatile memory
/// location.
///
- bool isVolatile() const { return SubclassData & 1; }
+ bool isVolatile() const { return getSubclassDataFromInstruction() & 1; }
/// setVolatile - Specify whether this is a volatile load or not.
///
- void setVolatile(bool V) {
- SubclassData = (SubclassData & ~1) | (V ? 1 : 0);
+ void setVolatile(bool V) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
+ (V ? 1 : 0));
}
- virtual LoadInst *clone() const;
-
/// getAlignment - Return the alignment of the access that is being performed
///
unsigned getAlignment() const {
- return (1 << (SubclassData>>1)) >> 1;
+ return (1 << (getSubclassDataFromInstruction() >> 1)) >> 1;
}
-
+
void setAlignment(unsigned Align);
Value *getPointerOperand() { return getOperand(0); }
const Value *getPointerOperand() const { return getOperand(0); }
static unsigned getPointerOperandIndex() { return 0U; }
+ unsigned getPointerAddressSpace() const {
+ return cast<PointerType>(getPointerOperand()->getType())->getAddressSpace();
+ }
+
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const LoadInst *) { return true; }
static inline bool classof(const Instruction *I) {
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(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);
+ }
};
/// StoreInst - an instruction for storing to memory
///
class StoreInst : public Instruction {
- Use Ops[2];
-
- StoreInst(const StoreInst &SI) : Instruction(SI.getType(), Store, Ops, 2) {
- Ops[0].init(SI.Ops[0], this);
- Ops[1].init(SI.Ops[1], this);
- setVolatile(SI.isVolatile());
- setAlignment(SI.getAlignment());
-
-#ifndef NDEBUG
- AssertOK();
-#endif
- }
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
void AssertOK();
+protected:
+ virtual StoreInst *clone_impl() const;
public:
+ // allocate space for exactly two operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 2);
+ }
StoreInst(Value *Val, Value *Ptr, Instruction *InsertBefore);
StoreInst(Value *Val, Value *Ptr, BasicBlock *InsertAtEnd);
StoreInst(Value *Val, Value *Ptr, bool isVolatile = false,
/// isVolatile - Return true if this is a load from a volatile memory
/// location.
///
- bool isVolatile() const { return SubclassData & 1; }
+ bool isVolatile() const { return getSubclassDataFromInstruction() & 1; }
/// setVolatile - Specify whether this is a volatile load or not.
///
- void setVolatile(bool V) {
- SubclassData = (SubclassData & ~1) | (V ? 1 : 0);
+ void setVolatile(bool V) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
+ (V ? 1 : 0));
}
/// Transparently provide more efficient getOperand methods.
- Value *getOperand(unsigned i) const {
- assert(i < 2 && "getOperand() out of range!");
- return Ops[i];
- }
- void setOperand(unsigned i, Value *Val) {
- assert(i < 2 && "setOperand() out of range!");
- Ops[i] = Val;
- }
- unsigned getNumOperands() const { return 2; }
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
/// getAlignment - Return the alignment of the access that is being performed
///
unsigned getAlignment() const {
- return (1 << (SubclassData>>1)) >> 1;
+ return (1 << (getSubclassDataFromInstruction() >> 1)) >> 1;
}
-
+
void setAlignment(unsigned Align);
-
- virtual StoreInst *clone() const;
+
+ Value *getValueOperand() { return getOperand(0); }
+ const Value *getValueOperand() const { return getOperand(0); }
Value *getPointerOperand() { return getOperand(1); }
const Value *getPointerOperand() const { return getOperand(1); }
static unsigned getPointerOperandIndex() { return 1U; }
+ unsigned getPointerAddressSpace() const {
+ return cast<PointerType>(getPointerOperand()->getType())->getAddressSpace();
+ }
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const StoreInst *) { return true; }
static inline bool classof(const Instruction *I) {
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(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<StoreInst> : public FixedNumOperandTraits<2> {
};
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(StoreInst, Value)
//===----------------------------------------------------------------------===//
// GetElementPtrInst Class
/// access elements of arrays and structs
///
class GetElementPtrInst : public Instruction {
- GetElementPtrInst(const GetElementPtrInst &GEPI)
- : Instruction(reinterpret_cast<const Type*>(GEPI.getType()), GetElementPtr,
- 0, GEPI.getNumOperands()) {
- Use *OL = OperandList = new Use[NumOperands];
- Use *GEPIOL = GEPI.OperandList;
- for (unsigned i = 0, E = NumOperands; i != E; ++i)
- OL[i].init(GEPIOL[i], this);
- }
- void init(Value *Ptr, Value* const *Idx, unsigned NumIdx);
- void init(Value *Ptr, Value *Idx);
-
- template<typename InputIterator>
- void init(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd,
- const std::string &Name,
+ 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<typename RandomAccessIterator>
+ 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) {
- typename std::iterator_traits<InputIterator>::difference_type NumIdx =
- std::distance(IdxBegin, IdxEnd);
-
+ unsigned NumIdx = static_cast<unsigned>(std::distance(IdxBegin, IdxEnd));
+
if (NumIdx > 0) {
- // This requires that the itoerator points to contiguous memory.
- init(Ptr, &*IdxBegin, NumIdx);
+ // 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);
+ init(Ptr, 0, NumIdx, NameStr);
}
-
- setName(Name);
}
/// getIndexedType - Returns the type of the element that would be loaded with
/// a load instruction with the specified parameters.
///
- /// A null type is returned if the indices are invalid for the specified
+ /// Null is returned if the indices are invalid for the specified
/// pointer type.
///
+ template<typename RandomAccessIterator>
static const Type *getIndexedType(const Type *Ptr,
- Value* const *Idx, unsigned NumIdx,
- bool AllowStructLeaf = false);
-
- template<typename InputIterator>
- static const Type *getIndexedType(const Type *Ptr,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
- bool AllowStructLeaf,
+ 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) {
- typename std::iterator_traits<InputIterator>::difference_type NumIdx =
- std::distance(IdxBegin, IdxEnd);
+ unsigned NumIdx = static_cast<unsigned>(std::distance(IdxBegin, IdxEnd));
- if (NumIdx > 0) {
+ if (NumIdx > 0)
// This requires that the iterator points to contiguous memory.
- return(getIndexedType(Ptr, (Value *const *)&*IdxBegin, NumIdx,
- AllowStructLeaf));
- }
- else {
- return(getIndexedType(Ptr, (Value *const*)0, NumIdx, AllowStructLeaf));
- }
+ return getIndexedType(Ptr, &*IdxBegin, NumIdx);
+ else
+ return getIndexedType(Ptr, (Value *const*)0, NumIdx);
}
-public:
/// Constructors - Create a getelementptr instruction with a base pointer an
- /// list of indices. The first ctor can optionally insert before an existing
+ /// list of indices. The first ctor can optionally insert before an existing
/// instruction, the second appends the new instruction to the specified
/// BasicBlock.
- template<typename InputIterator>
- GetElementPtrInst(Value *Ptr, InputIterator IdxBegin,
- InputIterator IdxEnd,
- const std::string &Name = "",
- Instruction *InsertBefore =0)
- : Instruction(PointerType::get(
- checkType(getIndexedType(Ptr->getType(),
- IdxBegin, IdxEnd, true)),
- cast<PointerType>(Ptr->getType())->getAddressSpace()),
- GetElementPtr, 0, 0, InsertBefore) {
- init(Ptr, IdxBegin, IdxEnd, Name,
- typename std::iterator_traits<InputIterator>::iterator_category());
- }
- template<typename InputIterator>
- GetElementPtrInst(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd,
- const std::string &Name, BasicBlock *InsertAtEnd)
- : Instruction(PointerType::get(
- checkType(getIndexedType(Ptr->getType(),
- IdxBegin, IdxEnd, true)),
- cast<PointerType>(Ptr->getType())->getAddressSpace()),
- GetElementPtr, 0, 0, InsertAtEnd) {
- init(Ptr, IdxBegin, IdxEnd, Name,
- typename std::iterator_traits<InputIterator>::iterator_category());
- }
+ template<typename RandomAccessIterator>
+ inline GetElementPtrInst(Value *Ptr, RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ unsigned Values,
+ const Twine &NameStr,
+ Instruction *InsertBefore);
+ template<typename RandomAccessIterator>
+ 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 std::string &Name = "", Instruction *InsertBefore =0);
- GetElementPtrInst(Value *Ptr, Value *Idx,
- const std::string &Name, BasicBlock *InsertAtEnd);
- ~GetElementPtrInst();
+ const Twine &NameStr, BasicBlock *InsertAtEnd);
+protected:
+ virtual GetElementPtrInst *clone_impl() const;
+public:
+ template<typename RandomAccessIterator>
+ static GetElementPtrInst *Create(Value *Ptr, RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = 0) {
+ typename std::iterator_traits<RandomAccessIterator>::difference_type
+ Values = 1 + std::distance(IdxBegin, IdxEnd);
+ return new(Values)
+ GetElementPtrInst(Ptr, IdxBegin, IdxEnd, Values, NameStr, InsertBefore);
+ }
+ template<typename RandomAccessIterator>
+ static GetElementPtrInst *Create(Value *Ptr,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr,
+ BasicBlock *InsertAtEnd) {
+ typename std::iterator_traits<RandomAccessIterator>::difference_type
+ Values = 1 + std::distance(IdxBegin, IdxEnd);
+ 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);
+ }
+
+ /// Create an "inbounds" getelementptr. See the documentation for the
+ /// "inbounds" flag in LangRef.html for details.
+ template<typename RandomAccessIterator>
+ static GetElementPtrInst *CreateInBounds(Value *Ptr,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = 0) {
+ GetElementPtrInst *GEP = Create(Ptr, IdxBegin, IdxEnd,
+ NameStr, InsertBefore);
+ GEP->setIsInBounds(true);
+ return GEP;
+ }
+ template<typename RandomAccessIterator>
+ 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,
+ const Twine &NameStr,
+ BasicBlock *InsertAtEnd) {
+ GetElementPtrInst *GEP = Create(Ptr, Idx, NameStr, InsertAtEnd);
+ GEP->setIsInBounds(true);
+ return GEP;
+ }
- virtual GetElementPtrInst *clone() const;
+ /// Transparently provide more efficient getOperand methods.
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
// getType - Overload to return most specific pointer type...
- inline const PointerType *getType() const {
+ const PointerType *getType() const {
return reinterpret_cast<const PointerType*>(Instruction::getType());
}
/// getIndexedType - Returns the type of the element that would be loaded with
/// a load instruction with the specified parameters.
///
- /// A null type is returned if the indices are invalid for the specified
+ /// Null is returned if the indices are invalid for the specified
/// pointer type.
///
- template<typename InputIterator>
+ template<typename RandomAccessIterator>
+ static const Type *getIndexedType(const Type *Ptr,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd) {
+ return getIndexedType(Ptr, IdxBegin, IdxEnd,
+ typename std::iterator_traits<RandomAccessIterator>::
+ iterator_category());
+ }
+
static const Type *getIndexedType(const Type *Ptr,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
- bool AllowStructLeaf = false) {
- return(getIndexedType(Ptr, IdxBegin, IdxEnd, AllowStructLeaf,
- typename std::iterator_traits<InputIterator>::
- iterator_category()));
- }
+ 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);
inline op_iterator idx_begin() { return op_begin()+1; }
return 0U; // get index for modifying correct operand
}
- inline unsigned getNumIndices() const { // Note: always non-negative
+ unsigned getPointerAddressSpace() const {
+ return cast<PointerType>(getType())->getAddressSpace();
+ }
+
+ /// getPointerOperandType - Method to return the pointer operand as a
+ /// PointerType.
+ const PointerType *getPointerOperandType() const {
+ return reinterpret_cast<const PointerType*>(getPointerOperand()->getType());
+ }
+
+
+ unsigned getNumIndices() const { // Note: always non-negative
return getNumOperands() - 1;
}
- inline bool hasIndices() const {
+ bool hasIndices() const {
return getNumOperands() > 1;
}
-
+
/// hasAllZeroIndices - Return true if all of the indices of this GEP are
/// zeros. If so, the result pointer and the first operand have the same
/// value, just potentially different types.
bool hasAllZeroIndices() const;
-
+
/// hasAllConstantIndices - Return true if all of the indices of this GEP are
/// constant integers. If so, the result pointer and the first operand have
/// a constant offset between them.
bool hasAllConstantIndices() const;
-
+
+ /// setIsInBounds - Set or clear the inbounds flag on this GEP instruction.
+ /// See LangRef.html for the meaning of inbounds on a getelementptr.
+ void setIsInBounds(bool b = true);
+
+ /// isInBounds - Determine whether the GEP has the inbounds flag.
+ bool isInBounds() const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const GetElementPtrInst *) { return true; }
}
};
+template <>
+struct OperandTraits<GetElementPtrInst> : public VariadicOperandTraits<1> {
+};
+
+template<typename RandomAccessIterator>
+GetElementPtrInst::GetElementPtrInst(Value *Ptr,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ unsigned Values,
+ const Twine &NameStr,
+ Instruction *InsertBefore)
+ : Instruction(PointerType::get(checkType(
+ getIndexedType(Ptr->getType(),
+ IdxBegin, IdxEnd)),
+ cast<PointerType>(Ptr->getType())
+ ->getAddressSpace()),
+ GetElementPtr,
+ OperandTraits<GetElementPtrInst>::op_end(this) - Values,
+ Values, InsertBefore) {
+ init(Ptr, IdxBegin, IdxEnd, NameStr,
+ typename std::iterator_traits<RandomAccessIterator>
+ ::iterator_category());
+}
+template<typename RandomAccessIterator>
+GetElementPtrInst::GetElementPtrInst(Value *Ptr,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ unsigned Values,
+ const Twine &NameStr,
+ BasicBlock *InsertAtEnd)
+ : Instruction(PointerType::get(checkType(
+ getIndexedType(Ptr->getType(),
+ IdxBegin, IdxEnd)),
+ cast<PointerType>(Ptr->getType())
+ ->getAddressSpace()),
+ GetElementPtr,
+ OperandTraits<GetElementPtrInst>::op_end(this) - Values,
+ Values, InsertAtEnd) {
+ init(Ptr, IdxBegin, IdxEnd, NameStr,
+ typename std::iterator_traits<RandomAccessIterator>
+ ::iterator_category());
+}
+
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(GetElementPtrInst, Value)
+
+
//===----------------------------------------------------------------------===//
// ICmpInst Class
//===----------------------------------------------------------------------===//
/// This instruction compares its operands according to the predicate given
-/// to the constructor. It only operates on integers, pointers, or packed
-/// vectors of integrals. The two operands must be the same type.
+/// to the constructor. It only operates on integers or pointers. The operands
+/// must be identical types.
/// @brief Represent an integer comparison operator.
class ICmpInst: public CmpInst {
+protected:
+ /// @brief Clone an indentical ICmpInst
+ virtual ICmpInst *clone_impl() const;
public:
- /// This enumeration lists the possible predicates for the ICmpInst. The
- /// values in the range 0-31 are reserved for FCmpInst while values in the
- /// range 32-64 are reserved for ICmpInst. This is necessary to ensure the
- /// predicate values are not overlapping between the classes.
- enum Predicate {
- ICMP_EQ = 32, ///< equal
- ICMP_NE = 33, ///< not equal
- ICMP_UGT = 34, ///< unsigned greater than
- ICMP_UGE = 35, ///< unsigned greater or equal
- ICMP_ULT = 36, ///< unsigned less than
- ICMP_ULE = 37, ///< unsigned less or equal
- ICMP_SGT = 38, ///< signed greater than
- ICMP_SGE = 39, ///< signed greater or equal
- ICMP_SLT = 40, ///< signed less than
- ICMP_SLE = 41, ///< signed less or equal
- FIRST_ICMP_PREDICATE = ICMP_EQ,
- LAST_ICMP_PREDICATE = ICMP_SLE,
- BAD_ICMP_PREDICATE = ICMP_SLE + 1
- };
-
/// @brief Constructor with insert-before-instruction semantics.
ICmpInst(
+ Instruction *InsertBefore, ///< Where to insert
Predicate pred, ///< The predicate to use for the comparison
Value *LHS, ///< The left-hand-side of the expression
Value *RHS, ///< The right-hand-side of the expression
- const std::string &Name = "", ///< Name of the instruction
- Instruction *InsertBefore = 0 ///< Where to insert
- ) : CmpInst(Instruction::ICmp, pred, LHS, RHS, Name, InsertBefore) {
+ const Twine &NameStr = "" ///< Name of the instruction
+ ) : CmpInst(makeCmpResultType(LHS->getType()),
+ Instruction::ICmp, pred, LHS, RHS, NameStr,
+ InsertBefore) {
+ assert(pred >= CmpInst::FIRST_ICMP_PREDICATE &&
+ pred <= CmpInst::LAST_ICMP_PREDICATE &&
+ "Invalid ICmp predicate value");
+ assert(getOperand(0)->getType() == getOperand(1)->getType() &&
+ "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()) &&
+ "Invalid operand types for ICmp instruction");
}
- /// @brief Constructor with insert-at-block-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
+ Value *LHS, ///< The left-hand-side of the expression
+ Value *RHS, ///< The right-hand-side of the expression
+ const Twine &NameStr = "" ///< Name of the instruction
+ ) : CmpInst(makeCmpResultType(LHS->getType()),
+ Instruction::ICmp, pred, LHS, RHS, NameStr,
+ &InsertAtEnd) {
+ assert(pred >= CmpInst::FIRST_ICMP_PREDICATE &&
+ pred <= CmpInst::LAST_ICMP_PREDICATE &&
+ "Invalid ICmp predicate value");
+ assert(getOperand(0)->getType() == getOperand(1)->getType() &&
+ "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()) &&
+ "Invalid operand types for ICmp instruction");
+ }
+
+ /// @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
Value *RHS, ///< The right-hand-side of the expression
- const std::string &Name, ///< Name of the instruction
- BasicBlock *InsertAtEnd ///< Block to insert into.
- ) : CmpInst(Instruction::ICmp, pred, LHS, RHS, Name, InsertAtEnd) {
- }
-
- /// @brief Return the predicate for this instruction.
- Predicate getPredicate() const { return Predicate(SubclassData); }
-
- /// @brief Set the predicate for this instruction to the specified value.
- void setPredicate(Predicate P) { SubclassData = P; }
-
- /// For example, EQ -> NE, UGT -> ULE, SLT -> SGE, etc.
- /// @returns the inverse predicate for the instruction's current predicate.
- /// @brief Return the inverse of the instruction's predicate.
- Predicate getInversePredicate() const {
- return getInversePredicate(getPredicate());
+ const Twine &NameStr = "" ///< Name of the instruction
+ ) : CmpInst(makeCmpResultType(LHS->getType()),
+ Instruction::ICmp, pred, LHS, RHS, NameStr) {
+ assert(pred >= CmpInst::FIRST_ICMP_PREDICATE &&
+ pred <= CmpInst::LAST_ICMP_PREDICATE &&
+ "Invalid ICmp predicate value");
+ assert(getOperand(0)->getType() == getOperand(1)->getType() &&
+ "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()) &&
+ "Invalid operand types for ICmp instruction");
}
- /// For example, EQ -> NE, UGT -> ULE, SLT -> SGE, etc.
- /// @returns the inverse predicate for predicate provided in \p pred.
- /// @brief Return the inverse of a given predicate
- static Predicate getInversePredicate(Predicate pred);
-
- /// For example, EQ->EQ, SLE->SGE, ULT->UGT, etc.
- /// @returns the predicate that would be the result of exchanging the two
- /// operands of the ICmpInst instruction without changing the result
- /// produced.
- /// @brief Return the predicate as if the operands were swapped
- Predicate getSwappedPredicate() const {
- return getSwappedPredicate(getPredicate());
- }
-
- /// This is a static version that you can use without an instruction
- /// available.
- /// @brief Return the predicate as if the operands were swapped.
- static Predicate getSwappedPredicate(Predicate pred);
-
/// 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.
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
+ 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.
+ static Predicate getUnsignedPredicate(Predicate pred);
+
/// isEquality - Return true if this predicate is either EQ or NE. This also
/// tests for commutativity.
static bool isEquality(Predicate P) {
return P == ICMP_EQ || P == ICMP_NE;
}
-
+
/// isEquality - Return true if this predicate is either EQ or NE. This also
/// tests for commutativity.
bool isEquality() const {
/// @brief Determine if this relation is commutative.
bool isCommutative() const { return isEquality(); }
- /// isRelational - Return true if the predicate is relational (not EQ or NE).
+ /// isRelational - Return true if the predicate is relational (not EQ or NE).
///
bool isRelational() const {
return !isEquality();
}
- /// isRelational - Return true if the predicate is relational (not EQ or NE).
+ /// isRelational - Return true if the predicate is relational (not EQ or NE).
///
static bool isRelational(Predicate P) {
return !isEquality(P);
}
-
- /// @returns true if the predicate of this ICmpInst is signed, false otherwise
- /// @brief Determine if this instruction's predicate is signed.
- bool isSignedPredicate() const { return isSignedPredicate(getPredicate()); }
-
- /// @returns true if the predicate provided is signed, false otherwise
- /// @brief Determine if the predicate is signed.
- static bool isSignedPredicate(Predicate pred);
- /// Initialize a set of values that all satisfy the predicate with C.
+ /// Initialize a set of values that all satisfy the predicate with C.
/// @brief Make a ConstantRange for a relation with a constant value.
static ConstantRange makeConstantRange(Predicate pred, const APInt &C);
/// 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).
+ /// (e.g. ult).
/// @brief Swap operands and adjust predicate.
void swapOperands() {
- SubclassData = getSwappedPredicate();
- std::swap(Ops[0], Ops[1]);
+ setPredicate(getSwappedPredicate());
+ Op<0>().swap(Op<1>());
}
- virtual ICmpInst *clone() const;
-
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const ICmpInst *) { return true; }
static inline bool classof(const Instruction *I) {
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
+
};
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
/// This instruction compares its operands according to the predicate given
-/// to the constructor. It only operates on floating point values or packed
+/// 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.
class FCmpInst: public CmpInst {
+protected:
+ /// @brief Clone an indentical FCmpInst
+ virtual FCmpInst *clone_impl() const;
public:
- /// This enumeration lists the possible predicates for the FCmpInst. Values
- /// in the range 0-31 are reserved for FCmpInst.
- enum Predicate {
- // Opcode U L G E Intuitive operation
- FCMP_FALSE = 0, ///< 0 0 0 0 Always false (always folded)
- FCMP_OEQ = 1, ///< 0 0 0 1 True if ordered and equal
- FCMP_OGT = 2, ///< 0 0 1 0 True if ordered and greater than
- FCMP_OGE = 3, ///< 0 0 1 1 True if ordered and greater than or equal
- FCMP_OLT = 4, ///< 0 1 0 0 True if ordered and less than
- FCMP_OLE = 5, ///< 0 1 0 1 True if ordered and less than or equal
- FCMP_ONE = 6, ///< 0 1 1 0 True if ordered and operands are unequal
- FCMP_ORD = 7, ///< 0 1 1 1 True if ordered (no nans)
- FCMP_UNO = 8, ///< 1 0 0 0 True if unordered: isnan(X) | isnan(Y)
- FCMP_UEQ = 9, ///< 1 0 0 1 True if unordered or equal
- FCMP_UGT =10, ///< 1 0 1 0 True if unordered or greater than
- FCMP_UGE =11, ///< 1 0 1 1 True if unordered, greater than, or equal
- FCMP_ULT =12, ///< 1 1 0 0 True if unordered or less than
- FCMP_ULE =13, ///< 1 1 0 1 True if unordered, less than, or equal
- FCMP_UNE =14, ///< 1 1 1 0 True if unordered or not equal
- FCMP_TRUE =15, ///< 1 1 1 1 Always true (always folded)
- FIRST_FCMP_PREDICATE = FCMP_FALSE,
- LAST_FCMP_PREDICATE = FCMP_TRUE,
- BAD_FCMP_PREDICATE = FCMP_TRUE + 1
- };
-
/// @brief Constructor with insert-before-instruction semantics.
FCmpInst(
+ Instruction *InsertBefore, ///< Where to insert
Predicate pred, ///< The predicate to use for the comparison
Value *LHS, ///< The left-hand-side of the expression
Value *RHS, ///< The right-hand-side of the expression
- const std::string &Name = "", ///< Name of the instruction
- Instruction *InsertBefore = 0 ///< Where to insert
- ) : CmpInst(Instruction::FCmp, pred, LHS, RHS, Name, InsertBefore) {
+ const Twine &NameStr = "" ///< Name of the instruction
+ ) : CmpInst(makeCmpResultType(LHS->getType()),
+ Instruction::FCmp, pred, LHS, RHS, NameStr,
+ InsertBefore) {
+ assert(pred <= FCmpInst::LAST_FCMP_PREDICATE &&
+ "Invalid FCmp predicate value");
+ assert(getOperand(0)->getType() == getOperand(1)->getType() &&
+ "Both operands to FCmp instruction are not of the same type!");
+ // Check that the operands are the right type
+ assert(getOperand(0)->getType()->isFPOrFPVectorTy() &&
+ "Invalid operand types for FCmp instruction");
}
- /// @brief Constructor with insert-at-block-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
+ Value *LHS, ///< The left-hand-side of the expression
+ Value *RHS, ///< The right-hand-side of the expression
+ const Twine &NameStr = "" ///< Name of the instruction
+ ) : CmpInst(makeCmpResultType(LHS->getType()),
+ Instruction::FCmp, pred, LHS, RHS, NameStr,
+ &InsertAtEnd) {
+ assert(pred <= FCmpInst::LAST_FCMP_PREDICATE &&
+ "Invalid FCmp predicate value");
+ assert(getOperand(0)->getType() == getOperand(1)->getType() &&
+ "Both operands to FCmp instruction are not of the same type!");
+ // Check that the operands are the right type
+ assert(getOperand(0)->getType()->isFPOrFPVectorTy() &&
+ "Invalid operand types for FCmp instruction");
+ }
+
+ /// @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
Value *RHS, ///< The right-hand-side of the expression
- const std::string &Name, ///< Name of the instruction
- BasicBlock *InsertAtEnd ///< Block to insert into.
- ) : CmpInst(Instruction::FCmp, pred, LHS, RHS, Name, InsertAtEnd) {
- }
-
- /// @brief Return the predicate for this instruction.
- Predicate getPredicate() const { return Predicate(SubclassData); }
-
- /// @brief Set the predicate for this instruction to the specified value.
- void setPredicate(Predicate P) { SubclassData = P; }
-
- /// For example, OEQ -> UNE, UGT -> OLE, OLT -> UGE, etc.
- /// @returns the inverse predicate for the instructions current predicate.
- /// @brief Return the inverse of the predicate
- Predicate getInversePredicate() const {
- return getInversePredicate(getPredicate());
+ const Twine &NameStr = "" ///< Name of the instruction
+ ) : CmpInst(makeCmpResultType(LHS->getType()),
+ Instruction::FCmp, pred, LHS, RHS, NameStr) {
+ assert(pred <= FCmpInst::LAST_FCMP_PREDICATE &&
+ "Invalid FCmp predicate value");
+ assert(getOperand(0)->getType() == getOperand(1)->getType() &&
+ "Both operands to FCmp instruction are not of the same type!");
+ // Check that the operands are the right type
+ assert(getOperand(0)->getType()->isFPOrFPVectorTy() &&
+ "Invalid operand types for FCmp instruction");
}
- /// For example, OEQ -> UNE, UGT -> OLE, OLT -> UGE, etc.
- /// @returns the inverse predicate for \p pred.
- /// @brief Return the inverse of a given predicate
- static Predicate getInversePredicate(Predicate pred);
-
- /// For example, OEQ->OEQ, ULE->UGE, OLT->OGT, etc.
- /// @returns the predicate that would be the result of exchanging the two
- /// operands of the ICmpInst instruction without changing the result
- /// produced.
- /// @brief Return the predicate as if the operands were swapped
- Predicate getSwappedPredicate() const {
- return getSwappedPredicate(getPredicate());
- }
-
- /// This is a static version that you can use without an instruction
- /// available.
- /// @brief Return the predicate as if the operands were swapped.
- static Predicate getSwappedPredicate(Predicate Opcode);
-
- /// This also tests for commutativity. If isEquality() returns true then
- /// the predicate is also commutative. Only the equality predicates are
- /// commutative.
/// @returns true if the predicate of this instruction is EQ or NE.
/// @brief Determine if this is an equality predicate.
bool isEquality() const {
- return SubclassData == FCMP_OEQ || SubclassData == FCMP_ONE ||
- SubclassData == FCMP_UEQ || SubclassData == FCMP_UNE;
+ 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.
+ bool isCommutative() const {
+ return isEquality() ||
+ getPredicate() == FCMP_FALSE ||
+ getPredicate() == FCMP_TRUE ||
+ getPredicate() == FCMP_ORD ||
+ getPredicate() == FCMP_UNO;
}
- bool isCommutative() const { return isEquality(); }
- /// @returns true if the predicate is relational (not EQ or NE).
+ /// @returns true if the predicate is relational (not EQ or NE).
/// @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).
+ /// (e.g. ult).
/// @brief Swap operands and adjust predicate.
void swapOperands() {
- SubclassData = getSwappedPredicate();
- std::swap(Ops[0], Ops[1]);
+ setPredicate(getSwappedPredicate());
+ Op<0>().swap(Op<1>());
}
- virtual FCmpInst *clone() const;
-
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const FCmpInst *) { return true; }
static inline bool classof(const Instruction *I) {
}
};
-//===----------------------------------------------------------------------===//
-// CallInst Class
//===----------------------------------------------------------------------===//
/// CallInst - This class represents a function call, abstracting a target
/// machine's calling convention. This class uses low bit of the SubClassData
/// field to indicate whether or not this is a tail call. The rest of the bits
/// hold the calling convention of the call.
///
-
class CallInst : public Instruction {
- const ParamAttrsList *ParamAttrs; ///< parameter attributes for call
+ 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<typename InputIterator>
- void init(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd,
- const std::string &Name,
+ template<typename RandomAccessIterator>
+ 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(Name);
+ setName(NameStr);
}
-public:
- /// Construct a CallInst given a range of arguments. InputIterator
+ /// 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
+ /// (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<typename InputIterator>
- CallInst(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd,
- const std::string &Name = "", Instruction *InsertBefore = 0)
- : Instruction(cast<FunctionType>(cast<PointerType>(Func->getType())
- ->getElementType())->getReturnType(),
- Instruction::Call, 0, 0, InsertBefore) {
- init(Func, ArgBegin, ArgEnd, Name,
- typename std::iterator_traits<InputIterator>::iterator_category());
- }
+ template<typename RandomAccessIterator>
+ CallInst(Value *Func,
+ RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd,
+ const Twine &NameStr, Instruction *InsertBefore);
- /// Construct a CallInst given a range of arguments. InputIterator
+ /// 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<typename InputIterator>
- CallInst(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd,
- const std::string &Name, BasicBlock *InsertAtEnd)
- : Instruction(cast<FunctionType>(cast<PointerType>(Func->getType())
- ->getElementType())->getReturnType(),
- Instruction::Call, 0, 0, InsertAtEnd) {
- init(Func, ArgBegin, ArgEnd, Name,
- typename std::iterator_traits<InputIterator>::iterator_category());
- }
-
- CallInst(Value *F, Value *Actual, const std::string& Name = "",
- Instruction *InsertBefore = 0);
- CallInst(Value *F, Value *Actual, const std::string& Name,
+ template<typename RandomAccessIterator>
+ inline CallInst(Value *Func,
+ RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd,
+ const Twine &NameStr, BasicBlock *InsertAtEnd);
+
+ CallInst(Value *F, Value *Actual, const Twine &NameStr,
+ Instruction *InsertBefore);
+ CallInst(Value *F, Value *Actual, const Twine &NameStr,
BasicBlock *InsertAtEnd);
- explicit CallInst(Value *F, const std::string &Name = "",
- Instruction *InsertBefore = 0);
- CallInst(Value *F, const std::string &Name, BasicBlock *InsertAtEnd);
+ explicit CallInst(Value *F, const Twine &NameStr,
+ Instruction *InsertBefore);
+ CallInst(Value *F, const Twine &NameStr, BasicBlock *InsertAtEnd);
+protected:
+ virtual CallInst *clone_impl() const;
+public:
+ template<typename RandomAccessIterator>
+ static CallInst *Create(Value *Func,
+ RandomAccessIterator ArgBegin,
+ RandomAccessIterator ArgEnd,
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = 0) {
+ return new(unsigned(ArgEnd - ArgBegin + 1))
+ CallInst(Func, ArgBegin, ArgEnd, NameStr, InsertBefore);
+ }
+ template<typename RandomAccessIterator>
+ static CallInst *Create(Value *Func,
+ RandomAccessIterator ArgBegin,
+ RandomAccessIterator ArgEnd,
+ 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);
+ }
+ static CallInst *Create(Value *F, const Twine &NameStr = "",
+ Instruction *InsertBefore = 0) {
+ return new(1) CallInst(F, NameStr, InsertBefore);
+ }
+ static CallInst *Create(Value *F, const Twine &NameStr,
+ BasicBlock *InsertAtEnd) {
+ return new(1) CallInst(F, NameStr, InsertAtEnd);
+ }
+ /// CreateMalloc - Generate the IR for a call to malloc:
+ /// 1. Compute the malloc call's argument as the specified type's size,
+ /// possibly multiplied by the array size if the array size is not
+ /// constant 1.
+ /// 2. Call malloc with that argument.
+ /// 3. Bitcast the result of the malloc call to the specified type.
+ static Instruction *CreateMalloc(Instruction *InsertBefore,
+ const Type *IntPtrTy, const Type *AllocTy,
+ Value *AllocSize, Value *ArraySize = 0,
+ Function* MallocF = 0,
+ const Twine &Name = "");
+ static Instruction *CreateMalloc(BasicBlock *InsertAtEnd,
+ const Type *IntPtrTy, const Type *AllocTy,
+ Value *AllocSize, Value *ArraySize = 0,
+ Function* MallocF = 0,
+ const Twine &Name = "");
+ /// CreateFree - Generate the IR for a call to the builtin free function.
+ static Instruction* CreateFree(Value* Source, Instruction *InsertBefore);
+ static Instruction* CreateFree(Value* Source, BasicBlock *InsertAtEnd);
+
~CallInst();
- virtual CallInst *clone() const;
-
- bool isTailCall() const { return SubclassData & 1; }
- void setTailCall(bool isTailCall = true) {
- SubclassData = (SubclassData & ~1) | unsigned(isTailCall);
+ bool isTailCall() const { return getSubclassDataFromInstruction() & 1; }
+ void setTailCall(bool isTC = true) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
+ unsigned(isTC));
}
+ /// Provide fast operand accessors
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+ /// getNumArgOperands - Return the number of call arguments.
+ ///
+ unsigned getNumArgOperands() const { return getNumOperands() - 1; }
+
+ /// getArgOperand/setArgOperand - Return/set the i-th call argument.
+ ///
+ Value *getArgOperand(unsigned i) const { return getOperand(i); }
+ void setArgOperand(unsigned i, Value *v) { setOperand(i, v); }
+
/// getCallingConv/setCallingConv - Get or set the calling convention of this
/// function call.
- unsigned getCallingConv() const { return SubclassData >> 1; }
- void setCallingConv(unsigned CC) {
- SubclassData = (SubclassData & 1) | (CC << 1);
+ CallingConv::ID getCallingConv() const {
+ return static_cast<CallingConv::ID>(getSubclassDataFromInstruction() >> 1);
+ }
+ void setCallingConv(CallingConv::ID CC) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & 1) |
+ (static_cast<unsigned>(CC) << 1));
}
- /// Obtains a pointer to the ParamAttrsList object which holds the
- /// parameter attributes information, if any.
- /// @returns 0 if no attributes have been set.
- /// @brief Get the parameter attributes.
- const ParamAttrsList *getParamAttrs() const { return ParamAttrs; }
+ /// getAttributes - Return the parameter attributes for this call.
+ ///
+ const AttrListPtr &getAttributes() const { return AttributeList; }
+
+ /// setAttributes - Set the parameter attributes for this call.
+ ///
+ void setAttributes(const AttrListPtr &Attrs) { AttributeList = Attrs; }
+
+ /// addAttribute - adds the attribute to the list of attributes.
+ void addAttribute(unsigned i, Attributes attr);
- /// Sets the parameter attributes for this CallInst. To construct a
- /// ParamAttrsList, see ParameterAttributes.h
- /// @brief Set the parameter attributes.
- void setParamAttrs(const ParamAttrsList *attrs);
+ /// 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(uint16_t i, ParameterAttributes attr) const;
+ bool paramHasAttr(unsigned i, Attributes attr) 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 Determine if the call does not access memory.
bool doesNotAccessMemory() const {
- return paramHasAttr(0, ParamAttr::ReadNone);
+ return paramHasAttr(~0, Attribute::ReadNone);
+ }
+ void setDoesNotAccessMemory(bool NotAccessMemory = true) {
+ if (NotAccessMemory) addAttribute(~0, Attribute::ReadNone);
+ else removeAttribute(~0, Attribute::ReadNone);
}
/// @brief Determine if the call does not access or only reads memory.
bool onlyReadsMemory() const {
- return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
+ return doesNotAccessMemory() || paramHasAttr(~0, Attribute::ReadOnly);
+ }
+ void setOnlyReadsMemory(bool OnlyReadsMemory = true) {
+ if (OnlyReadsMemory) addAttribute(~0, Attribute::ReadOnly);
+ else removeAttribute(~0, Attribute::ReadOnly | Attribute::ReadNone);
}
/// @brief Determine if the call cannot return.
- bool isNoReturn() const {
- return paramHasAttr(0, ParamAttr::NoReturn);
+ 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 unwind.
- bool isNoUnwind() const {
- return paramHasAttr(0, ParamAttr::NoUnwind);
+ 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 returns a structure.
- bool isStructReturn() const {
+ /// @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, ParamAttr::StructRet);
+ return paramHasAttr(1, Attribute::StructRet);
+ }
+
+ /// @brief Determine if any call argument is an aggregate passed by value.
+ bool hasByValArgument() const {
+ return AttributeList.hasAttrSomewhere(Attribute::ByVal);
}
- /// getCalledFunction - Return the function being called by this instruction
- /// if it is a direct call. If it is a call through a function pointer,
- /// return null.
+ /// getCalledFunction - Return the function called, or null if this is an
+ /// indirect function invocation.
+ ///
Function *getCalledFunction() const {
- return dyn_cast<Function>(getOperand(0));
+ return dyn_cast<Function>(Op<-1>());
}
- /// getCalledValue - Get a pointer to the function that is invoked by this
- /// instruction
- inline const Value *getCalledValue() const { return getOperand(0); }
- inline Value *getCalledValue() { return getOperand(0); }
+ /// getCalledValue - Get a pointer to the function that is invoked by this
+ /// instruction.
+ const Value *getCalledValue() const { return Op<-1>(); }
+ Value *getCalledValue() { return Op<-1>(); }
+
+ /// setCalledFunction - Set the function called.
+ void setCalledFunction(Value* Fn) {
+ Op<-1>() = Fn;
+ }
+
+ /// isInlineAsm - Check if this call is an inline asm statement.
+ bool isInlineAsm() const {
+ return isa<InlineAsm>(Op<-1>());
+ }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const CallInst *) { return true; }
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(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<CallInst> : public VariadicOperandTraits<1> {
};
+template<typename RandomAccessIterator>
+CallInst::CallInst(Value *Func,
+ RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd,
+ const Twine &NameStr, BasicBlock *InsertAtEnd)
+ : Instruction(cast<FunctionType>(cast<PointerType>(Func->getType())
+ ->getElementType())->getReturnType(),
+ Instruction::Call,
+ OperandTraits<CallInst>::op_end(this) - (ArgEnd - ArgBegin + 1),
+ unsigned(ArgEnd - ArgBegin + 1), InsertAtEnd) {
+ init(Func, ArgBegin, ArgEnd, NameStr,
+ typename std::iterator_traits<RandomAccessIterator>
+ ::iterator_category());
+}
+
+template<typename RandomAccessIterator>
+CallInst::CallInst(Value *Func,
+ RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd,
+ const Twine &NameStr, Instruction *InsertBefore)
+ : Instruction(cast<FunctionType>(cast<PointerType>(Func->getType())
+ ->getElementType())->getReturnType(),
+ Instruction::Call,
+ OperandTraits<CallInst>::op_end(this) - (ArgEnd - ArgBegin + 1),
+ unsigned(ArgEnd - ArgBegin + 1), InsertBefore) {
+ init(Func, ArgBegin, ArgEnd, NameStr,
+ typename std::iterator_traits<RandomAccessIterator>
+ ::iterator_category());
+}
+
+
+// Note: if you get compile errors about private methods then
+// please update your code to use the high-level operand
+// interfaces. See line 943 above.
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(CallInst, Value)
+
//===----------------------------------------------------------------------===//
// SelectInst Class
//===----------------------------------------------------------------------===//
/// SelectInst - This class represents the LLVM 'select' instruction.
///
class SelectInst : public Instruction {
- Use Ops[3];
-
void init(Value *C, Value *S1, Value *S2) {
- Ops[0].init(C, this);
- Ops[1].init(S1, this);
- Ops[2].init(S2, this);
+ assert(!areInvalidOperands(C, S1, S2) && "Invalid operands for select");
+ Op<0>() = C;
+ Op<1>() = S1;
+ Op<2>() = S2;
}
- SelectInst(const SelectInst &SI)
- : Instruction(SI.getType(), SI.getOpcode(), Ops, 3) {
- init(SI.Ops[0], SI.Ops[1], SI.Ops[2]);
- }
-public:
- SelectInst(Value *C, Value *S1, Value *S2, const std::string &Name = "",
- Instruction *InsertBefore = 0)
- : Instruction(S1->getType(), Instruction::Select, Ops, 3, InsertBefore) {
+ SelectInst(Value *C, Value *S1, Value *S2, const Twine &NameStr,
+ Instruction *InsertBefore)
+ : Instruction(S1->getType(), Instruction::Select,
+ &Op<0>(), 3, InsertBefore) {
init(C, S1, S2);
- setName(Name);
+ setName(NameStr);
}
- SelectInst(Value *C, Value *S1, Value *S2, const std::string &Name,
+ SelectInst(Value *C, Value *S1, Value *S2, const Twine &NameStr,
BasicBlock *InsertAtEnd)
- : Instruction(S1->getType(), Instruction::Select, Ops, 3, InsertAtEnd) {
+ : Instruction(S1->getType(), Instruction::Select,
+ &Op<0>(), 3, InsertAtEnd) {
init(C, S1, S2);
- setName(Name);
+ setName(NameStr);
+ }
+protected:
+ virtual SelectInst *clone_impl() const;
+public:
+ static SelectInst *Create(Value *C, Value *S1, Value *S2,
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = 0) {
+ return new(3) SelectInst(C, S1, S2, NameStr, InsertBefore);
+ }
+ static SelectInst *Create(Value *C, Value *S1, Value *S2,
+ const Twine &NameStr,
+ BasicBlock *InsertAtEnd) {
+ return new(3) SelectInst(C, S1, S2, NameStr, InsertAtEnd);
}
- Value *getCondition() const { return Ops[0]; }
- Value *getTrueValue() const { return Ops[1]; }
- Value *getFalseValue() const { return Ops[2]; }
+ const Value *getCondition() const { return Op<0>(); }
+ const Value *getTrueValue() const { return Op<1>(); }
+ const Value *getFalseValue() const { return Op<2>(); }
+ Value *getCondition() { return Op<0>(); }
+ Value *getTrueValue() { return Op<1>(); }
+ Value *getFalseValue() { return Op<2>(); }
+
+ /// areInvalidOperands - Return a string if the specified operands are invalid
+ /// for a select operation, otherwise return null.
+ static const char *areInvalidOperands(Value *Cond, Value *True, Value *False);
/// Transparently provide more efficient getOperand methods.
- Value *getOperand(unsigned i) const {
- assert(i < 3 && "getOperand() out of range!");
- return Ops[i];
- }
- void setOperand(unsigned i, Value *Val) {
- assert(i < 3 && "setOperand() out of range!");
- Ops[i] = Val;
- }
- unsigned getNumOperands() const { return 3; }
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
OtherOps getOpcode() const {
return static_cast<OtherOps>(Instruction::getOpcode());
}
- virtual SelectInst *clone() const;
-
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const SelectInst *) { return true; }
static inline bool classof(const Instruction *I) {
}
};
+template <>
+struct OperandTraits<SelectInst> : public FixedNumOperandTraits<3> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(SelectInst, Value)
+
//===----------------------------------------------------------------------===//
// VAArgInst Class
//===----------------------------------------------------------------------===//
/// an argument of the specified type given a va_list and increments that list
///
class VAArgInst : public UnaryInstruction {
- VAArgInst(const VAArgInst &VAA)
- : UnaryInstruction(VAA.getType(), VAArg, VAA.getOperand(0)) {}
+protected:
+ virtual VAArgInst *clone_impl() const;
+
public:
- VAArgInst(Value *List, const Type *Ty, const std::string &Name = "",
+ VAArgInst(Value *List, const Type *Ty, const Twine &NameStr = "",
Instruction *InsertBefore = 0)
: UnaryInstruction(Ty, VAArg, List, InsertBefore) {
- setName(Name);
+ setName(NameStr);
}
- VAArgInst(Value *List, const Type *Ty, const std::string &Name,
+ VAArgInst(Value *List, const Type *Ty, const Twine &NameStr,
BasicBlock *InsertAtEnd)
: UnaryInstruction(Ty, VAArg, List, InsertAtEnd) {
- setName(Name);
+ setName(NameStr);
}
- virtual VAArgInst *clone() const;
+ Value *getPointerOperand() { return getOperand(0); }
+ const Value *getPointerOperand() const { return getOperand(0); }
+ static unsigned getPointerOperandIndex() { return 0U; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const VAArgInst *) { return true; }
/// element from a VectorType value
///
class ExtractElementInst : public Instruction {
- Use Ops[2];
- ExtractElementInst(const ExtractElementInst &EE) :
- Instruction(EE.getType(), ExtractElement, Ops, 2) {
- Ops[0].init(EE.Ops[0], this);
- Ops[1].init(EE.Ops[1], this);
- }
-
-public:
- ExtractElementInst(Value *Vec, Value *Idx, const std::string &Name = "",
+ ExtractElementInst(Value *Vec, Value *Idx, const Twine &NameStr = "",
Instruction *InsertBefore = 0);
- ExtractElementInst(Value *Vec, unsigned Idx, const std::string &Name = "",
- Instruction *InsertBefore = 0);
- ExtractElementInst(Value *Vec, Value *Idx, const std::string &Name,
- BasicBlock *InsertAtEnd);
- ExtractElementInst(Value *Vec, unsigned Idx, const std::string &Name,
+ ExtractElementInst(Value *Vec, Value *Idx, const Twine &NameStr,
BasicBlock *InsertAtEnd);
+protected:
+ virtual ExtractElementInst *clone_impl() const;
+
+public:
+ static ExtractElementInst *Create(Value *Vec, Value *Idx,
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = 0) {
+ return new(2) ExtractElementInst(Vec, Idx, NameStr, InsertBefore);
+ }
+ static ExtractElementInst *Create(Value *Vec, Value *Idx,
+ const Twine &NameStr,
+ BasicBlock *InsertAtEnd) {
+ return new(2) ExtractElementInst(Vec, Idx, NameStr, InsertAtEnd);
+ }
/// isValidOperands - Return true if an extractelement instruction can be
/// formed with the specified operands.
static bool isValidOperands(const Value *Vec, const Value *Idx);
- virtual ExtractElementInst *clone() const;
+ Value *getVectorOperand() { return Op<0>(); }
+ Value *getIndexOperand() { return Op<1>(); }
+ const Value *getVectorOperand() const { return Op<0>(); }
+ const Value *getIndexOperand() const { return Op<1>(); }
- /// Transparently provide more efficient getOperand methods.
- Value *getOperand(unsigned i) const {
- assert(i < 2 && "getOperand() out of range!");
- return Ops[i];
- }
- void setOperand(unsigned i, Value *Val) {
- assert(i < 2 && "setOperand() out of range!");
- Ops[i] = Val;
+ const VectorType *getVectorOperandType() const {
+ return reinterpret_cast<const VectorType*>(getVectorOperand()->getType());
}
- unsigned getNumOperands() const { return 2; }
+
+
+ /// 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 ExtractElementInst *) { return true; }
}
};
+template <>
+struct OperandTraits<ExtractElementInst> : public FixedNumOperandTraits<2> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ExtractElementInst, Value)
+
//===----------------------------------------------------------------------===//
// InsertElementInst Class
//===----------------------------------------------------------------------===//
/// element into a VectorType value
///
class InsertElementInst : public Instruction {
- Use Ops[3];
- InsertElementInst(const InsertElementInst &IE);
-public:
InsertElementInst(Value *Vec, Value *NewElt, Value *Idx,
- const std::string &Name = "",Instruction *InsertBefore = 0);
- InsertElementInst(Value *Vec, Value *NewElt, unsigned Idx,
- const std::string &Name = "",Instruction *InsertBefore = 0);
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = 0);
InsertElementInst(Value *Vec, Value *NewElt, Value *Idx,
- const std::string &Name, BasicBlock *InsertAtEnd);
- InsertElementInst(Value *Vec, Value *NewElt, unsigned Idx,
- const std::string &Name, BasicBlock *InsertAtEnd);
+ const Twine &NameStr, BasicBlock *InsertAtEnd);
+protected:
+ virtual InsertElementInst *clone_impl() const;
+
+public:
+ static InsertElementInst *Create(Value *Vec, Value *NewElt, Value *Idx,
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = 0) {
+ return new(3) InsertElementInst(Vec, NewElt, Idx, NameStr, InsertBefore);
+ }
+ static InsertElementInst *Create(Value *Vec, Value *NewElt, Value *Idx,
+ const Twine &NameStr,
+ BasicBlock *InsertAtEnd) {
+ return new(3) InsertElementInst(Vec, NewElt, Idx, NameStr, InsertAtEnd);
+ }
/// isValidOperands - Return true if an insertelement instruction can be
/// formed with the specified operands.
static bool isValidOperands(const Value *Vec, const Value *NewElt,
const Value *Idx);
- virtual InsertElementInst *clone() const;
+ /// getType - Overload to return most specific vector type.
+ ///
+ const VectorType *getType() const {
+ return reinterpret_cast<const VectorType*>(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;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
+template <>
+struct OperandTraits<InsertElementInst> : public FixedNumOperandTraits<3> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertElementInst, Value)
+
+//===----------------------------------------------------------------------===//
+// ShuffleVectorInst Class
+//===----------------------------------------------------------------------===//
+
+/// ShuffleVectorInst - This instruction constructs a fixed permutation of two
+/// input vectors.
+///
+class ShuffleVectorInst : public Instruction {
+protected:
+ virtual ShuffleVectorInst *clone_impl() const;
+
+public:
+ // allocate space for exactly three operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 3);
+ }
+ ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
+ const Twine &NameStr = "",
+ Instruction *InsertBefor = 0);
+ ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
+ const Twine &NameStr, BasicBlock *InsertAtEnd);
+
+ /// isValidOperands - Return true if a shufflevector instruction can be
+ /// formed with the specified operands.
+ static bool isValidOperands(const Value *V1, const Value *V2,
+ const Value *Mask);
/// getType - Overload to return most specific vector type.
///
- inline const VectorType *getType() const {
+ const VectorType *getType() const {
return reinterpret_cast<const VectorType*>(Instruction::getType());
}
/// Transparently provide more efficient getOperand methods.
- Value *getOperand(unsigned i) const {
- assert(i < 3 && "getOperand() out of range!");
- return Ops[i];
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+ /// 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;
+
+ // 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;
}
- void setOperand(unsigned i, Value *Val) {
- assert(i < 3 && "setOperand() out of range!");
- Ops[i] = Val;
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
+template <>
+struct OperandTraits<ShuffleVectorInst> : public FixedNumOperandTraits<3> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ShuffleVectorInst, Value)
+
+//===----------------------------------------------------------------------===//
+// ExtractValueInst Class
+//===----------------------------------------------------------------------===//
+
+/// ExtractValueInst - This instruction extracts a struct member or array
+/// element value from an aggregate value.
+///
+class ExtractValueInst : public UnaryInstruction {
+ SmallVector<unsigned, 4> Indices;
+
+ ExtractValueInst(const ExtractValueInst &EVI);
+ void init(const unsigned *Idx, unsigned NumIdx,
+ const Twine &NameStr);
+ void init(unsigned Idx, const Twine &NameStr);
+
+ template<typename RandomAccessIterator>
+ 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<unsigned>(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
+ /// pointer type.
+ ///
+ static const Type *getIndexedType(const Type *Agg,
+ const unsigned *Idx, unsigned NumIdx);
+
+ template<typename RandomAccessIterator>
+ 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<unsigned>(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);
+ }
+
+ /// 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<typename RandomAccessIterator>
+ inline ExtractValueInst(Value *Agg,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr,
+ Instruction *InsertBefore);
+ template<typename RandomAccessIterator>
+ inline ExtractValueInst(Value *Agg,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr, BasicBlock *InsertAtEnd);
+
+ // allocate space for exactly one operand
+ void *operator new(size_t s) {
+ return User::operator new(s, 1);
+ }
+protected:
+ virtual ExtractValueInst *clone_impl() const;
+
+public:
+ template<typename RandomAccessIterator>
+ static ExtractValueInst *Create(Value *Agg,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = 0) {
+ return new
+ ExtractValueInst(Agg, IdxBegin, IdxEnd, NameStr, InsertBefore);
+ }
+ template<typename RandomAccessIterator>
+ static ExtractValueInst *Create(Value *Agg,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ 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);
+ }
+
+ /// 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
+ /// pointer type.
+ ///
+ template<typename RandomAccessIterator>
+ static const Type *getIndexedType(const Type *Ptr,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd) {
+ return getIndexedType(Ptr, IdxBegin, IdxEnd,
+ typename std::iterator_traits<RandomAccessIterator>::
+ iterator_category());
+ }
+ static const Type *getIndexedType(const Type *Ptr, unsigned Idx);
+
+ typedef const unsigned* idx_iterator;
+ inline idx_iterator idx_begin() const { return Indices.begin(); }
+ inline idx_iterator idx_end() const { return Indices.end(); }
+
+ Value *getAggregateOperand() {
+ return getOperand(0);
+ }
+ const Value *getAggregateOperand() const {
+ return getOperand(0);
+ }
+ static unsigned getAggregateOperandIndex() {
+ return 0U; // get index for modifying correct operand
+ }
+
+ unsigned getNumIndices() const { // Note: always non-negative
+ return (unsigned)Indices.size();
+ }
+
+ bool hasIndices() const {
+ return true;
}
- unsigned getNumOperands() const { return 3; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const InsertElementInst *) { return true; }
+ static inline bool classof(const ExtractValueInst *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() == Instruction::InsertElement;
+ return I->getOpcode() == Instruction::ExtractValue;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
};
+template<typename RandomAccessIterator>
+ExtractValueInst::ExtractValueInst(Value *Agg,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr,
+ Instruction *InsertBefore)
+ : UnaryInstruction(checkType(getIndexedType(Agg->getType(),
+ IdxBegin, IdxEnd)),
+ ExtractValue, Agg, InsertBefore) {
+ init(IdxBegin, IdxEnd, NameStr,
+ typename std::iterator_traits<RandomAccessIterator>
+ ::iterator_category());
+}
+template<typename RandomAccessIterator>
+ExtractValueInst::ExtractValueInst(Value *Agg,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr,
+ BasicBlock *InsertAtEnd)
+ : UnaryInstruction(checkType(getIndexedType(Agg->getType(),
+ IdxBegin, IdxEnd)),
+ ExtractValue, Agg, InsertAtEnd) {
+ init(IdxBegin, IdxEnd, NameStr,
+ typename std::iterator_traits<RandomAccessIterator>
+ ::iterator_category());
+}
+
+
//===----------------------------------------------------------------------===//
-// ShuffleVectorInst Class
+// InsertValueInst Class
//===----------------------------------------------------------------------===//
-/// ShuffleVectorInst - This instruction constructs a fixed permutation of two
-/// input vectors.
+/// InsertValueInst - This instruction inserts a struct field of array element
+/// value into an aggregate value.
///
-class ShuffleVectorInst : public Instruction {
- Use Ops[3];
- ShuffleVectorInst(const ShuffleVectorInst &IE);
-public:
- ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
- const std::string &Name = "", Instruction *InsertBefor = 0);
- ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
- const std::string &Name, BasicBlock *InsertAtEnd);
+class InsertValueInst : public Instruction {
+ SmallVector<unsigned, 4> Indices;
+
+ void *operator new(size_t, unsigned); // Do not implement
+ InsertValueInst(const InsertValueInst &IVI);
+ void init(Value *Agg, Value *Val, const unsigned *Idx, unsigned NumIdx,
+ const Twine &NameStr);
+ void init(Value *Agg, Value *Val, unsigned Idx, const Twine &NameStr);
+
+ template<typename RandomAccessIterator>
+ 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<unsigned>(std::distance(IdxBegin, IdxEnd));
- /// isValidOperands - Return true if a shufflevector instruction can be
- /// formed with the specified operands.
- static bool isValidOperands(const Value *V1, const Value *V2,
- const Value *Mask);
+ // 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");
- virtual ShuffleVectorInst *clone() const;
+ // 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<typename RandomAccessIterator>
+ inline InsertValueInst(Value *Agg, Value *Val,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr,
+ Instruction *InsertBefore);
+ template<typename RandomAccessIterator>
+ inline InsertValueInst(Value *Agg, Value *Val,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr, BasicBlock *InsertAtEnd);
- /// getType - Overload to return most specific vector type.
- ///
- inline const VectorType *getType() const {
- return reinterpret_cast<const VectorType*>(Instruction::getType());
+ /// Constructors - These two constructors are convenience methods because one
+ /// and two index insertvalue instructions are so common.
+ InsertValueInst(Value *Agg, Value *Val,
+ unsigned Idx, const Twine &NameStr = "",
+ Instruction *InsertBefore = 0);
+ InsertValueInst(Value *Agg, Value *Val, unsigned Idx,
+ const Twine &NameStr, BasicBlock *InsertAtEnd);
+protected:
+ virtual InsertValueInst *clone_impl() const;
+public:
+ // allocate space for exactly two operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 2);
+ }
+
+ template<typename RandomAccessIterator>
+ static InsertValueInst *Create(Value *Agg, Value *Val,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = 0) {
+ return new InsertValueInst(Agg, Val, IdxBegin, IdxEnd,
+ NameStr, InsertBefore);
+ }
+ template<typename RandomAccessIterator>
+ 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,
+ const Twine &NameStr,
+ BasicBlock *InsertAtEnd) {
+ return new InsertValueInst(Agg, Val, Idx, NameStr, InsertAtEnd);
}
/// Transparently provide more efficient getOperand methods.
- Value *getOperand(unsigned i) const {
- assert(i < 3 && "getOperand() out of range!");
- return Ops[i];
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+ typedef const unsigned* idx_iterator;
+ inline idx_iterator idx_begin() const { return Indices.begin(); }
+ inline idx_iterator idx_end() const { return Indices.end(); }
+
+ Value *getAggregateOperand() {
+ return getOperand(0);
+ }
+ const Value *getAggregateOperand() const {
+ return getOperand(0);
+ }
+ static unsigned getAggregateOperandIndex() {
+ return 0U; // get index for modifying correct operand
+ }
+
+ Value *getInsertedValueOperand() {
+ return getOperand(1);
}
- void setOperand(unsigned i, Value *Val) {
- assert(i < 3 && "setOperand() out of range!");
- Ops[i] = Val;
+ const Value *getInsertedValueOperand() const {
+ return getOperand(1);
+ }
+ static unsigned getInsertedValueOperandIndex() {
+ return 1U; // get index for modifying correct operand
+ }
+
+ unsigned getNumIndices() const { // Note: always non-negative
+ return (unsigned)Indices.size();
+ }
+
+ bool hasIndices() const {
+ return true;
}
- unsigned getNumOperands() const { return 3; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ShuffleVectorInst *) { return true; }
+ static inline bool classof(const InsertValueInst *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() == Instruction::ShuffleVector;
+ return I->getOpcode() == Instruction::InsertValue;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
};
+template <>
+struct OperandTraits<InsertValueInst> : public FixedNumOperandTraits<2> {
+};
+
+template<typename RandomAccessIterator>
+InsertValueInst::InsertValueInst(Value *Agg,
+ Value *Val,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr,
+ Instruction *InsertBefore)
+ : Instruction(Agg->getType(), InsertValue,
+ OperandTraits<InsertValueInst>::op_begin(this),
+ 2, InsertBefore) {
+ init(Agg, Val, IdxBegin, IdxEnd, NameStr,
+ typename std::iterator_traits<RandomAccessIterator>
+ ::iterator_category());
+}
+template<typename RandomAccessIterator>
+InsertValueInst::InsertValueInst(Value *Agg,
+ Value *Val,
+ RandomAccessIterator IdxBegin,
+ RandomAccessIterator IdxEnd,
+ const Twine &NameStr,
+ BasicBlock *InsertAtEnd)
+ : Instruction(Agg->getType(), InsertValue,
+ OperandTraits<InsertValueInst>::op_begin(this),
+ 2, InsertAtEnd) {
+ init(Agg, Val, IdxBegin, IdxEnd, NameStr,
+ typename std::iterator_traits<RandomAccessIterator>
+ ::iterator_category());
+}
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertValueInst, Value)
//===----------------------------------------------------------------------===//
// PHINode Class
// scientist's overactive imagination.
//
class PHINode : public Instruction {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
/// ReservedSpace - The number of operands actually allocated. NumOperands is
/// the number actually in use.
unsigned ReservedSpace;
PHINode(const PHINode &PN);
-public:
- explicit PHINode(const Type *Ty, const std::string &Name = "",
+ // allocate space for exactly zero operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 0);
+ }
+ explicit PHINode(const Type *Ty, const Twine &NameStr = "",
Instruction *InsertBefore = 0)
: Instruction(Ty, Instruction::PHI, 0, 0, InsertBefore),
ReservedSpace(0) {
- setName(Name);
+ setName(NameStr);
}
- PHINode(const Type *Ty, const std::string &Name, BasicBlock *InsertAtEnd)
+ PHINode(const Type *Ty, const Twine &NameStr, BasicBlock *InsertAtEnd)
: Instruction(Ty, Instruction::PHI, 0, 0, InsertAtEnd),
ReservedSpace(0) {
- setName(Name);
+ setName(NameStr);
+ }
+protected:
+ virtual PHINode *clone_impl() const;
+public:
+ static PHINode *Create(const Type *Ty, const Twine &NameStr = "",
+ Instruction *InsertBefore = 0) {
+ return new PHINode(Ty, NameStr, InsertBefore);
+ }
+ static PHINode *Create(const Type *Ty, const Twine &NameStr,
+ BasicBlock *InsertAtEnd) {
+ return new PHINode(Ty, NameStr, InsertAtEnd);
}
-
~PHINode();
/// reserveOperandSpace - This method can be used to avoid repeated
resizeOperands(NumValues*2);
}
- virtual PHINode *clone() const;
+ /// Provide fast operand accessors
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
/// getNumIncomingValues - Return the number of incoming edges
///
assert(i*2 < getNumOperands() && "Invalid value number!");
setOperand(i*2, V);
}
- unsigned getOperandNumForIncomingValue(unsigned i) {
+ static unsigned getOperandNumForIncomingValue(unsigned i) {
return i*2;
}
+ static unsigned getIncomingValueNumForOperand(unsigned i) {
+ assert(i % 2 == 0 && "Invalid incoming-value operand index!");
+ return i/2;
+ }
- /// getIncomingBlock - Return incoming basic block number x
+ /// getIncomingBlock - Return incoming basic block number @p i.
///
BasicBlock *getIncomingBlock(unsigned i) const {
- return reinterpret_cast<BasicBlock*>(getOperand(i*2+1));
+ return cast<BasicBlock>(getOperand(i*2+1));
+ }
+
+ /// getIncomingBlock - Return incoming basic block corresponding
+ /// to an operand of the PHI.
+ ///
+ BasicBlock *getIncomingBlock(const Use &U) const {
+ assert(this == U.getUser() && "Iterator doesn't point to PHI's Uses?");
+ return cast<BasicBlock>((&U + 1)->get());
+ }
+
+ /// getIncomingBlock - Return incoming basic block corresponding
+ /// to value use iterator.
+ ///
+ template <typename U>
+ BasicBlock *getIncomingBlock(value_use_iterator<U> I) const {
+ return getIncomingBlock(I.getUse());
}
+
+
void setIncomingBlock(unsigned i, BasicBlock *BB) {
- setOperand(i*2+1, reinterpret_cast<Value*>(BB));
+ setOperand(i*2+1, (Value*)BB);
}
- unsigned getOperandNumForIncomingBlock(unsigned i) {
+ 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;
+ }
/// addIncoming - Add an incoming value to the end of the PHI list
///
void addIncoming(Value *V, BasicBlock *BB) {
+ assert(V && "PHI node got a null value!");
+ 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;
resizeOperands(0); // Get more space!
// Initialize some new operands.
NumOperands = OpNo+2;
- OperandList[OpNo].init(V, this);
- OperandList[OpNo+1].init(reinterpret_cast<Value*>(BB), this);
+ OperandList[OpNo] = V;
+ OperandList[OpNo+1] = (Value*)BB;
}
/// removeIncomingValue - Remove an incoming value. This is useful if a
///
Value *removeIncomingValue(unsigned Idx, bool DeletePHIIfEmpty = true);
- Value *removeIncomingValue(const BasicBlock *BB, bool DeletePHIIfEmpty =true){
+ Value *removeIncomingValue(const BasicBlock *BB, bool DeletePHIIfEmpty=true) {
int Idx = getBasicBlockIndex(BB);
assert(Idx >= 0 && "Invalid basic block argument to remove!");
return removeIncomingValue(Idx, DeletePHIIfEmpty);
int getBasicBlockIndex(const BasicBlock *BB) const {
Use *OL = OperandList;
for (unsigned i = 0, e = getNumOperands(); i != e; i += 2)
- if (OL[i+1] == reinterpret_cast<const Value*>(BB)) return i/2;
+ if (OL[i+1].get() == (const Value*)BB) return i/2;
return -1;
}
/// hasConstantValue - If the specified PHI node always merges together the
/// same value, return the value, otherwise return null.
///
- Value *hasConstantValue(bool AllowNonDominatingInstruction = false) const;
+ /// If the PHI has undef operands, but all the rest of the operands are
+ /// some unique value, return that value if it can be proved that the
+ /// value dominates the PHI. If DT is null, use a conservative check,
+ /// otherwise use DT to test for dominance.
+ ///
+ Value *hasConstantValue(DominatorTree *DT = 0) const;
/// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const PHINode *) { return true; }
void resizeOperands(unsigned NumOperands);
};
+template <>
+struct OperandTraits<PHINode> : public HungoffOperandTraits<2> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(PHINode, Value)
+
+
//===----------------------------------------------------------------------===//
// ReturnInst Class
//===----------------------------------------------------------------------===//
/// does not continue in this function any longer.
///
class ReturnInst : public TerminatorInst {
- Use RetVal; // Return Value: null if 'void'.
ReturnInst(const ReturnInst &RI);
- void init(Value *RetVal);
-public:
+private:
// ReturnInst constructors:
// ReturnInst() - 'ret void' instruction
// ReturnInst( null) - 'ret void' instruction
// ReturnInst(Value* X) - 'ret X' instruction
- // ReturnInst( null, Inst *) - 'ret void' instruction, insert before I
+ // ReturnInst( null, Inst *I) - 'ret void' instruction, insert before I
// ReturnInst(Value* X, Inst *I) - 'ret X' instruction, insert before I
- // ReturnInst( null, BB *B) - 'ret void' instruction, insert @ end of BB
- // ReturnInst(Value* X, BB *B) - 'ret X' instruction, insert @ end of BB
+ // ReturnInst( null, BB *B) - 'ret void' instruction, insert @ end of B
+ // ReturnInst(Value* X, BB *B) - 'ret X' instruction, insert @ end of B
//
// NOTE: If the Value* passed is of type void then the constructor behaves as
// if it was passed NULL.
- explicit ReturnInst(Value *retVal = 0, Instruction *InsertBefore = 0);
- ReturnInst(Value *retVal, BasicBlock *InsertAtEnd);
- explicit ReturnInst(BasicBlock *InsertAtEnd);
-
- virtual ReturnInst *clone() const;
-
- // Transparently provide more efficient getOperand methods.
- Value *getOperand(unsigned i) const {
- assert(i < getNumOperands() && "getOperand() out of range!");
- return RetVal;
+ explicit ReturnInst(LLVMContext &C, Value *retVal = 0,
+ Instruction *InsertBefore = 0);
+ ReturnInst(LLVMContext &C, Value *retVal, BasicBlock *InsertAtEnd);
+ explicit ReturnInst(LLVMContext &C, BasicBlock *InsertAtEnd);
+protected:
+ virtual ReturnInst *clone_impl() const;
+public:
+ static ReturnInst* Create(LLVMContext &C, Value *retVal = 0,
+ Instruction *InsertBefore = 0) {
+ return new(!!retVal) ReturnInst(C, retVal, InsertBefore);
}
- void setOperand(unsigned i, Value *Val) {
- assert(i < getNumOperands() && "setOperand() out of range!");
- RetVal = Val;
+ static ReturnInst* Create(LLVMContext &C, Value *retVal,
+ BasicBlock *InsertAtEnd) {
+ return new(!!retVal) ReturnInst(C, retVal, InsertAtEnd);
}
+ static ReturnInst* Create(LLVMContext &C, BasicBlock *InsertAtEnd) {
+ return new(0) ReturnInst(C, InsertAtEnd);
+ }
+ virtual ~ReturnInst();
+
+ /// Provide fast operand accessors
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
- Value *getReturnValue() const { return RetVal; }
+ /// Convenience accessor. Returns null if there is no return value.
+ Value *getReturnValue() const {
+ return getNumOperands() != 0 ? getOperand(0) : 0;
+ }
unsigned getNumSuccessors() const { return 0; }
virtual void setSuccessorV(unsigned idx, BasicBlock *B);
};
+template <>
+struct OperandTraits<ReturnInst> : public VariadicOperandTraits<> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ReturnInst, Value)
+
//===----------------------------------------------------------------------===//
// BranchInst Class
//===----------------------------------------------------------------------===//
///
class BranchInst : public TerminatorInst {
/// Ops list - Branches are strange. The operands are ordered:
- /// TrueDest, FalseDest, Cond. This makes some accessors faster because
- /// they don't have to check for cond/uncond branchness.
- Use Ops[3];
+ /// [Cond, FalseDest,] TrueDest. This makes some accessors faster because
+ /// they don't have to check for cond/uncond branchness. These are mostly
+ /// accessed relative from op_end().
BranchInst(const BranchInst &BI);
void AssertOK();
-public:
// BranchInst constructors (where {B, T, F} are blocks, and C is a condition):
// BranchInst(BB *B) - 'br B'
// BranchInst(BB* T, BB *F, Value *C) - 'br C, T, F'
BranchInst(BasicBlock *IfTrue, BasicBlock *InsertAtEnd);
BranchInst(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *Cond,
BasicBlock *InsertAtEnd);
-
- /// Transparently provide more efficient getOperand methods.
- Value *getOperand(unsigned i) const {
- assert(i < getNumOperands() && "getOperand() out of range!");
- return Ops[i];
+protected:
+ virtual BranchInst *clone_impl() const;
+public:
+ static BranchInst *Create(BasicBlock *IfTrue, Instruction *InsertBefore = 0) {
+ return new(1, true) BranchInst(IfTrue, InsertBefore);
+ }
+ static BranchInst *Create(BasicBlock *IfTrue, BasicBlock *IfFalse,
+ Value *Cond, Instruction *InsertBefore = 0) {
+ return new(3) BranchInst(IfTrue, IfFalse, Cond, InsertBefore);
}
- void setOperand(unsigned i, Value *Val) {
- assert(i < getNumOperands() && "setOperand() out of range!");
- Ops[i] = Val;
+ static BranchInst *Create(BasicBlock *IfTrue, BasicBlock *InsertAtEnd) {
+ return new(1, true) BranchInst(IfTrue, InsertAtEnd);
}
+ static BranchInst *Create(BasicBlock *IfTrue, BasicBlock *IfFalse,
+ Value *Cond, BasicBlock *InsertAtEnd) {
+ return new(3) BranchInst(IfTrue, IfFalse, Cond, InsertAtEnd);
+ }
+
+ ~BranchInst();
- virtual BranchInst *clone() const;
+ /// Transparently provide more efficient getOperand methods.
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
- inline bool isUnconditional() const { return getNumOperands() == 1; }
- inline bool isConditional() const { return getNumOperands() == 3; }
+ bool isUnconditional() const { return getNumOperands() == 1; }
+ bool isConditional() const { return getNumOperands() == 3; }
- inline Value *getCondition() const {
+ Value *getCondition() const {
assert(isConditional() && "Cannot get condition of an uncond branch!");
- return getOperand(2);
+ return Op<-3>();
}
void setCondition(Value *V) {
assert(isConditional() && "Cannot set condition of unconditional branch!");
- setOperand(2, V);
+ Op<-3>() = V;
}
// setUnconditionalDest - Change the current branch to an unconditional branch
// targeting the specified block.
// FIXME: Eliminate this ugly method.
void setUnconditionalDest(BasicBlock *Dest) {
+ Op<-1>() = (Value*)Dest;
if (isConditional()) { // Convert this to an uncond branch.
+ Op<-2>() = 0;
+ Op<-3>() = 0;
NumOperands = 1;
- Ops[1].set(0);
- Ops[2].set(0);
+ OperandList = op_begin();
}
- setOperand(0, reinterpret_cast<Value*>(Dest));
}
unsigned getNumSuccessors() const { return 1+isConditional(); }
BasicBlock *getSuccessor(unsigned i) const {
assert(i < getNumSuccessors() && "Successor # out of range for Branch!");
- return cast<BasicBlock>(getOperand(i));
+ return cast_or_null<BasicBlock>((&Op<-1>() - i)->get());
}
void setSuccessor(unsigned idx, BasicBlock *NewSucc) {
assert(idx < getNumSuccessors() && "Successor # out of range for Branch!");
- setOperand(idx, reinterpret_cast<Value*>(NewSucc));
+ *(&Op<-1>() - idx) = (Value*)NewSucc;
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
virtual void setSuccessorV(unsigned idx, BasicBlock *B);
};
+template <>
+struct OperandTraits<BranchInst> : public VariadicOperandTraits<1> {};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(BranchInst, Value)
+
//===----------------------------------------------------------------------===//
// SwitchInst Class
//===----------------------------------------------------------------------===//
/// SwitchInst - Multiway switch
///
class SwitchInst : public TerminatorInst {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
unsigned ReservedSpace;
// Operand[0] = Value to switch on
// Operand[1] = Default basic block destination
// Operand[2n ] = Value to match
// Operand[2n+1] = BasicBlock to go to on match
- SwitchInst(const SwitchInst &RI);
+ SwitchInst(const SwitchInst &SI);
void init(Value *Value, BasicBlock *Default, unsigned NumCases);
void resizeOperands(unsigned No);
-public:
+ // allocate space for exactly zero operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 0);
+ }
/// SwitchInst ctor - Create a new switch instruction, specifying a value to
/// switch on and a default destination. The number of additional cases can
/// be specified here to make memory allocation more efficient. This
/// constructor can also autoinsert before another instruction.
SwitchInst(Value *Value, BasicBlock *Default, unsigned NumCases,
- Instruction *InsertBefore = 0);
-
+ Instruction *InsertBefore);
+
/// SwitchInst ctor - Create a new switch instruction, specifying a value to
/// switch on and a default destination. The number of additional cases can
/// be specified here to make memory allocation more efficient. This
/// constructor also autoinserts at the end of the specified BasicBlock.
SwitchInst(Value *Value, BasicBlock *Default, unsigned NumCases,
BasicBlock *InsertAtEnd);
+protected:
+ virtual SwitchInst *clone_impl() const;
+public:
+ static SwitchInst *Create(Value *Value, BasicBlock *Default,
+ unsigned NumCases, Instruction *InsertBefore = 0) {
+ return new SwitchInst(Value, Default, NumCases, InsertBefore);
+ }
+ static SwitchInst *Create(Value *Value, BasicBlock *Default,
+ unsigned NumCases, BasicBlock *InsertAtEnd) {
+ return new SwitchInst(Value, Default, NumCases, InsertAtEnd);
+ }
~SwitchInst();
+ /// Provide fast operand accessors
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
// Accessor Methods for Switch stmt
- inline Value *getCondition() const { return getOperand(0); }
+ Value *getCondition() const { return getOperand(0); }
void setCondition(Value *V) { setOperand(0, V); }
- inline BasicBlock *getDefaultDest() const {
+ BasicBlock *getDefaultDest() const {
return cast<BasicBlock>(getOperand(1));
}
///
void removeCase(unsigned idx);
- virtual SwitchInst *clone() const;
-
unsigned getNumSuccessors() const { return getNumOperands()/2; }
BasicBlock *getSuccessor(unsigned idx) const {
assert(idx < getNumSuccessors() &&"Successor idx out of range for switch!");
}
void setSuccessor(unsigned idx, BasicBlock *NewSucc) {
assert(idx < getNumSuccessors() && "Successor # out of range for switch!");
- setOperand(idx*2+1, reinterpret_cast<Value*>(NewSucc));
+ setOperand(idx*2+1, (Value*)NewSucc);
}
// getSuccessorValue - Return the value associated with the specified
// successor.
- inline ConstantInt *getSuccessorValue(unsigned idx) const {
+ ConstantInt *getSuccessorValue(unsigned idx) const {
assert(idx < getNumSuccessors() && "Successor # out of range!");
return reinterpret_cast<ConstantInt*>(getOperand(idx*2));
}
virtual void setSuccessorV(unsigned idx, BasicBlock *B);
};
+template <>
+struct OperandTraits<SwitchInst> : public HungoffOperandTraits<2> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(SwitchInst, Value)
+
+
//===----------------------------------------------------------------------===//
-// InvokeInst Class
+// IndirectBrInst Class
//===----------------------------------------------------------------------===//
//===---------------------------------------------------------------------------
+/// IndirectBrInst - Indirect Branch Instruction.
+///
+class IndirectBrInst : public TerminatorInst {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ unsigned ReservedSpace;
+ // Operand[0] = Value to switch on
+ // Operand[1] = Default basic block destination
+ // Operand[2n ] = Value to match
+ // Operand[2n+1] = BasicBlock to go to on match
+ IndirectBrInst(const IndirectBrInst &IBI);
+ void init(Value *Address, unsigned NumDests);
+ void resizeOperands(unsigned No);
+ // allocate space for exactly zero operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 0);
+ }
+ /// IndirectBrInst ctor - Create a new indirectbr instruction, specifying an
+ /// Address to jump to. The number of expected destinations can be specified
+ /// here to make memory allocation more efficient. This constructor can also
+ /// autoinsert before another instruction.
+ IndirectBrInst(Value *Address, unsigned NumDests, Instruction *InsertBefore);
+
+ /// IndirectBrInst ctor - Create a new indirectbr instruction, specifying an
+ /// Address to jump to. The number of expected destinations can be specified
+ /// here to make memory allocation more efficient. This constructor also
+ /// autoinserts at the end of the specified BasicBlock.
+ IndirectBrInst(Value *Address, unsigned NumDests, BasicBlock *InsertAtEnd);
+protected:
+ virtual IndirectBrInst *clone_impl() const;
+public:
+ static IndirectBrInst *Create(Value *Address, unsigned NumDests,
+ Instruction *InsertBefore = 0) {
+ return new IndirectBrInst(Address, NumDests, InsertBefore);
+ }
+ static IndirectBrInst *Create(Value *Address, unsigned NumDests,
+ BasicBlock *InsertAtEnd) {
+ return new IndirectBrInst(Address, NumDests, InsertAtEnd);
+ }
+ ~IndirectBrInst();
+
+ /// Provide fast operand accessors.
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+ // Accessor Methods for IndirectBrInst instruction.
+ Value *getAddress() { return getOperand(0); }
+ const Value *getAddress() const { return getOperand(0); }
+ void setAddress(Value *V) { setOperand(0, V); }
+
+
+ /// getNumDestinations - return the number of possible destinations in this
+ /// indirectbr instruction.
+ unsigned getNumDestinations() const { return getNumOperands()-1; }
+
+ /// getDestination - Return the specified destination.
+ BasicBlock *getDestination(unsigned i) { return getSuccessor(i); }
+ const BasicBlock *getDestination(unsigned i) const { return getSuccessor(i); }
+
+ /// addDestination - Add a destination.
+ ///
+ void addDestination(BasicBlock *Dest);
+
+ /// removeDestination - This method removes the specified successor from the
+ /// indirectbr instruction.
+ void removeDestination(unsigned i);
+
+ unsigned getNumSuccessors() const { return getNumOperands()-1; }
+ BasicBlock *getSuccessor(unsigned i) const {
+ return cast<BasicBlock>(getOperand(i+1));
+ }
+ void setSuccessor(unsigned i, BasicBlock *NewSucc) {
+ setOperand(i+1, (Value*)NewSucc);
+ }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const IndirectBrInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == Instruction::IndirectBr;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+private:
+ virtual BasicBlock *getSuccessorV(unsigned idx) const;
+ virtual unsigned getNumSuccessorsV() const;
+ virtual void setSuccessorV(unsigned idx, BasicBlock *B);
+};
+
+template <>
+struct OperandTraits<IndirectBrInst> : public HungoffOperandTraits<1> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(IndirectBrInst, Value)
+
+
+//===----------------------------------------------------------------------===//
+// InvokeInst Class
+//===----------------------------------------------------------------------===//
/// InvokeInst - Invoke instruction. The SubclassData field is used to hold the
/// calling convention of the call.
///
class InvokeInst : public TerminatorInst {
- const ParamAttrsList *ParamAttrs;
+ AttrListPtr AttributeList;
InvokeInst(const InvokeInst &BI);
void init(Value *Fn, BasicBlock *IfNormal, BasicBlock *IfException,
Value* const *Args, unsigned NumArgs);
- template<typename InputIterator>
+ template<typename RandomAccessIterator>
void init(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
- InputIterator ArgBegin, InputIterator ArgEnd,
- const std::string &Name,
+ 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(Name);
+ setName(NameStr);
}
-public:
/// Construct an InvokeInst given a range of arguments.
- /// InputIterator must be a random-access iterator pointing to
+ /// 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<typename InputIterator>
- InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
- InputIterator ArgBegin, InputIterator ArgEnd,
- const std::string &Name = "", Instruction *InsertBefore = 0)
- : TerminatorInst(cast<FunctionType>(cast<PointerType>(Func->getType())
- ->getElementType())->getReturnType(),
- Instruction::Invoke, 0, 0, InsertBefore) {
- init(Func, IfNormal, IfException, ArgBegin, ArgEnd, Name,
- typename std::iterator_traits<InputIterator>::iterator_category());
- }
+ template<typename RandomAccessIterator>
+ inline InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
+ RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd,
+ unsigned Values,
+ const Twine &NameStr, Instruction *InsertBefore);
/// Construct an InvokeInst given a range of arguments.
- /// InputIterator must be a random-access iterator pointing to
+ /// 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<typename InputIterator>
- InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
- InputIterator ArgBegin, InputIterator ArgEnd,
- const std::string &Name, BasicBlock *InsertAtEnd)
- : TerminatorInst(cast<FunctionType>(cast<PointerType>(Func->getType())
- ->getElementType())->getReturnType(),
- Instruction::Invoke, 0, 0, InsertAtEnd) {
- init(Func, IfNormal, IfException, ArgBegin, ArgEnd, Name,
- typename std::iterator_traits<InputIterator>::iterator_category());
- }
-
- ~InvokeInst();
+ template<typename RandomAccessIterator>
+ inline InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
+ RandomAccessIterator ArgBegin, RandomAccessIterator ArgEnd,
+ unsigned Values,
+ const Twine &NameStr, BasicBlock *InsertAtEnd);
+protected:
+ virtual InvokeInst *clone_impl() const;
+public:
+ template<typename RandomAccessIterator>
+ static InvokeInst *Create(Value *Func,
+ BasicBlock *IfNormal, BasicBlock *IfException,
+ RandomAccessIterator ArgBegin,
+ RandomAccessIterator ArgEnd,
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = 0) {
+ unsigned Values(ArgEnd - ArgBegin + 3);
+ return new(Values) InvokeInst(Func, IfNormal, IfException, ArgBegin, ArgEnd,
+ Values, NameStr, InsertBefore);
+ }
+ template<typename RandomAccessIterator>
+ static InvokeInst *Create(Value *Func,
+ BasicBlock *IfNormal, BasicBlock *IfException,
+ RandomAccessIterator ArgBegin,
+ RandomAccessIterator ArgEnd,
+ const Twine &NameStr,
+ BasicBlock *InsertAtEnd) {
+ unsigned Values(ArgEnd - ArgBegin + 3);
+ return new(Values) InvokeInst(Func, IfNormal, IfException, ArgBegin, ArgEnd,
+ Values, NameStr, InsertAtEnd);
+ }
+
+ /// Provide fast operand accessors
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+ /// getNumArgOperands - Return the number of invoke arguments.
+ ///
+ unsigned getNumArgOperands() const { return getNumOperands() - 3; }
- virtual InvokeInst *clone() const;
+ /// getArgOperand/setArgOperand - Return/set the i-th invoke argument.
+ ///
+ Value *getArgOperand(unsigned i) const { return getOperand(i); }
+ void setArgOperand(unsigned i, Value *v) { setOperand(i, v); }
/// getCallingConv/setCallingConv - Get or set the calling convention of this
/// function call.
- unsigned getCallingConv() const { return SubclassData; }
- void setCallingConv(unsigned CC) {
- SubclassData = CC;
+ CallingConv::ID getCallingConv() const {
+ return static_cast<CallingConv::ID>(getSubclassDataFromInstruction());
+ }
+ void setCallingConv(CallingConv::ID CC) {
+ setInstructionSubclassData(static_cast<unsigned>(CC));
}
- /// Obtains a pointer to the ParamAttrsList object which holds the
- /// parameter attributes information, if any.
- /// @returns 0 if no attributes have been set.
- /// @brief Get the parameter attributes.
- const ParamAttrsList *getParamAttrs() const { return ParamAttrs; }
+ /// getAttributes - Return the parameter attributes for this invoke.
+ ///
+ const AttrListPtr &getAttributes() const { return AttributeList; }
+
+ /// setAttributes - Set the parameter attributes for this invoke.
+ ///
+ void setAttributes(const AttrListPtr &Attrs) { AttributeList = Attrs; }
+
+ /// addAttribute - adds the attribute to the list of attributes.
+ void addAttribute(unsigned i, Attributes attr);
- /// Sets the parameter attributes for this InvokeInst. To construct a
- /// ParamAttrsList, see ParameterAttributes.h
- /// @brief Set the parameter attributes.
- void setParamAttrs(const ParamAttrsList *attrs);
+ /// 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(uint16_t i, ParameterAttributes attr) const;
+ bool paramHasAttr(unsigned i, Attributes attr) 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 Determine if the call does not access memory.
bool doesNotAccessMemory() const {
- return paramHasAttr(0, ParamAttr::ReadNone);
+ return paramHasAttr(~0, Attribute::ReadNone);
+ }
+ void setDoesNotAccessMemory(bool NotAccessMemory = true) {
+ if (NotAccessMemory) addAttribute(~0, Attribute::ReadNone);
+ else removeAttribute(~0, Attribute::ReadNone);
}
/// @brief Determine if the call does not access or only reads memory.
bool onlyReadsMemory() const {
- return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
+ return doesNotAccessMemory() || paramHasAttr(~0, Attribute::ReadOnly);
+ }
+ void setOnlyReadsMemory(bool OnlyReadsMemory = true) {
+ if (OnlyReadsMemory) addAttribute(~0, Attribute::ReadOnly);
+ else removeAttribute(~0, Attribute::ReadOnly | Attribute::ReadNone);
}
/// @brief Determine if the call cannot return.
- bool isNoReturn() const {
- return paramHasAttr(0, ParamAttr::NoReturn);
+ 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 unwind.
- bool isNoUnwind() const {
- return paramHasAttr(0, ParamAttr::NoUnwind);
+ 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 returns a structure.
- bool isStructReturn() const {
+ /// @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, ParamAttr::StructRet);
+ return paramHasAttr(1, Attribute::StructRet);
+ }
+
+ /// @brief Determine if any call argument is an aggregate passed by value.
+ bool hasByValArgument() const {
+ return AttributeList.hasAttrSomewhere(Attribute::ByVal);
}
/// getCalledFunction - Return the function called, or null if this is an
/// indirect function invocation.
///
Function *getCalledFunction() const {
- return dyn_cast<Function>(getOperand(0));
+ return dyn_cast<Function>(Op<-3>());
}
- // getCalledValue - Get a pointer to a function that is invoked by this inst.
- inline Value *getCalledValue() const { return getOperand(0); }
+ /// getCalledValue - Get a pointer to the function that is invoked by this
+ /// instruction
+ const Value *getCalledValue() const { return Op<-3>(); }
+ Value *getCalledValue() { return Op<-3>(); }
+
+ /// setCalledFunction - Set the function called.
+ void setCalledFunction(Value* Fn) {
+ Op<-3>() = Fn;
+ }
// get*Dest - Return the destination basic blocks...
BasicBlock *getNormalDest() const {
- return cast<BasicBlock>(getOperand(1));
+ return cast<BasicBlock>(Op<-2>());
}
BasicBlock *getUnwindDest() const {
- return cast<BasicBlock>(getOperand(2));
+ return cast<BasicBlock>(Op<-1>());
}
void setNormalDest(BasicBlock *B) {
- setOperand(1, reinterpret_cast<Value*>(B));
+ Op<-2>() = reinterpret_cast<Value*>(B);
}
-
void setUnwindDest(BasicBlock *B) {
- setOperand(2, reinterpret_cast<Value*>(B));
+ Op<-1>() = reinterpret_cast<Value*>(B);
}
- inline BasicBlock *getSuccessor(unsigned i) const {
+ BasicBlock *getSuccessor(unsigned i) const {
assert(i < 2 && "Successor # out of range for invoke!");
return i == 0 ? getNormalDest() : getUnwindDest();
}
void setSuccessor(unsigned idx, BasicBlock *NewSucc) {
assert(idx < 2 && "Successor # out of range for invoke!");
- setOperand(idx+1, reinterpret_cast<Value*>(NewSucc));
+ *(&Op<-2>() + idx) = reinterpret_cast<Value*>(NewSucc);
}
unsigned getNumSuccessors() const { return 2; }
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
+
private:
virtual BasicBlock *getSuccessorV(unsigned idx) const;
virtual unsigned getNumSuccessorsV() const;
virtual void setSuccessorV(unsigned idx, BasicBlock *B);
+
+ // 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<InvokeInst> : public VariadicOperandTraits<3> {
};
+template<typename RandomAccessIterator>
+InvokeInst::InvokeInst(Value *Func,
+ BasicBlock *IfNormal, BasicBlock *IfException,
+ RandomAccessIterator ArgBegin,
+ RandomAccessIterator ArgEnd,
+ unsigned Values,
+ const Twine &NameStr, Instruction *InsertBefore)
+ : TerminatorInst(cast<FunctionType>(cast<PointerType>(Func->getType())
+ ->getElementType())->getReturnType(),
+ Instruction::Invoke,
+ OperandTraits<InvokeInst>::op_end(this) - Values,
+ Values, InsertBefore) {
+ init(Func, IfNormal, IfException, ArgBegin, ArgEnd, NameStr,
+ typename std::iterator_traits<RandomAccessIterator>
+ ::iterator_category());
+}
+template<typename RandomAccessIterator>
+InvokeInst::InvokeInst(Value *Func,
+ BasicBlock *IfNormal, BasicBlock *IfException,
+ RandomAccessIterator ArgBegin,
+ RandomAccessIterator ArgEnd,
+ unsigned Values,
+ const Twine &NameStr, BasicBlock *InsertAtEnd)
+ : TerminatorInst(cast<FunctionType>(cast<PointerType>(Func->getType())
+ ->getElementType())->getReturnType(),
+ Instruction::Invoke,
+ OperandTraits<InvokeInst>::op_end(this) - Values,
+ Values, InsertAtEnd) {
+ init(Func, IfNormal, IfException, ArgBegin, ArgEnd, NameStr,
+ typename std::iterator_traits<RandomAccessIterator>
+ ::iterator_category());
+}
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InvokeInst, Value)
//===----------------------------------------------------------------------===//
// UnwindInst Class
/// until an invoke instruction is found.
///
class UnwindInst : public TerminatorInst {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+protected:
+ virtual UnwindInst *clone_impl() const;
public:
- explicit UnwindInst(Instruction *InsertBefore = 0);
- explicit UnwindInst(BasicBlock *InsertAtEnd);
-
- virtual UnwindInst *clone() const;
+ // allocate space for exactly zero operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 0);
+ }
+ explicit UnwindInst(LLVMContext &C, Instruction *InsertBefore = 0);
+ explicit UnwindInst(LLVMContext &C, BasicBlock *InsertAtEnd);
unsigned getNumSuccessors() const { return 0; }
/// end of the block cannot be reached.
///
class UnreachableInst : public TerminatorInst {
-public:
- explicit UnreachableInst(Instruction *InsertBefore = 0);
- explicit UnreachableInst(BasicBlock *InsertAtEnd);
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+protected:
+ virtual UnreachableInst *clone_impl() const;
- virtual UnreachableInst *clone() const;
+public:
+ // allocate space for exactly zero operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 0);
+ }
+ explicit UnreachableInst(LLVMContext &C, Instruction *InsertBefore = 0);
+ explicit UnreachableInst(LLVMContext &C, BasicBlock *InsertAtEnd);
unsigned getNumSuccessors() const { return 0; }
/// @brief This class represents a truncation of integer types.
class TruncInst : public CastInst {
- /// Private copy constructor
- TruncInst(const TruncInst &CI)
- : CastInst(CI.getType(), Trunc, CI.getOperand(0)) {
- }
+protected:
+ /// @brief Clone an identical TruncInst
+ virtual TruncInst *clone_impl() const;
+
public:
/// @brief Constructor with insert-before-instruction semantics
TruncInst(
Value *S, ///< The value to be truncated
const Type *Ty, ///< The (smaller) type to truncate to
- const std::string &Name = "", ///< A name for the new instruction
+ const Twine &NameStr = "", ///< A name for the new instruction
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
TruncInst(
Value *S, ///< The value to be truncated
const Type *Ty, ///< The (smaller) type to truncate to
- const std::string &Name, ///< A name for the new instruction
+ const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @brief Clone an identical TruncInst
- virtual CastInst *clone() const;
-
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const TruncInst *) { return true; }
static inline bool classof(const Instruction *I) {
/// @brief This class represents zero extension of integer types.
class ZExtInst : public CastInst {
- /// @brief Private copy constructor
- ZExtInst(const ZExtInst &CI)
- : CastInst(CI.getType(), ZExt, CI.getOperand(0)) {
- }
+protected:
+ /// @brief Clone an identical ZExtInst
+ virtual ZExtInst *clone_impl() const;
+
public:
/// @brief Constructor with insert-before-instruction semantics
ZExtInst(
Value *S, ///< The value to be zero extended
const Type *Ty, ///< The type to zero extend to
- const std::string &Name = "", ///< A name for the new instruction
+ const Twine &NameStr = "", ///< A name for the new instruction
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
ZExtInst(
Value *S, ///< The value to be zero extended
const Type *Ty, ///< The type to zero extend to
- const std::string &Name, ///< A name for the new instruction
+ const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @brief Clone an identical ZExtInst
- virtual CastInst *clone() const;
-
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const ZExtInst *) { return true; }
static inline bool classof(const Instruction *I) {
/// @brief This class represents a sign extension of integer types.
class SExtInst : public CastInst {
- /// @brief Private copy constructor
- SExtInst(const SExtInst &CI)
- : CastInst(CI.getType(), SExt, CI.getOperand(0)) {
- }
+protected:
+ /// @brief Clone an identical SExtInst
+ virtual SExtInst *clone_impl() const;
+
public:
/// @brief Constructor with insert-before-instruction semantics
SExtInst(
Value *S, ///< The value to be sign extended
const Type *Ty, ///< The type to sign extend to
- const std::string &Name = "", ///< A name for the new instruction
+ const Twine &NameStr = "", ///< A name for the new instruction
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
SExtInst(
Value *S, ///< The value to be sign extended
const Type *Ty, ///< The type to sign extend to
- const std::string &Name, ///< A name for the new instruction
+ const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @brief Clone an identical SExtInst
- virtual CastInst *clone() const;
-
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const SExtInst *) { return true; }
static inline bool classof(const Instruction *I) {
/// @brief This class represents a truncation of floating point types.
class FPTruncInst : public CastInst {
- FPTruncInst(const FPTruncInst &CI)
- : CastInst(CI.getType(), FPTrunc, CI.getOperand(0)) {
- }
+protected:
+ /// @brief Clone an identical FPTruncInst
+ virtual FPTruncInst *clone_impl() const;
+
public:
/// @brief Constructor with insert-before-instruction semantics
FPTruncInst(
Value *S, ///< The value to be truncated
const Type *Ty, ///< The type to truncate to
- const std::string &Name = "", ///< A name for the new instruction
+ const Twine &NameStr = "", ///< A name for the new instruction
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
FPTruncInst(
Value *S, ///< The value to be truncated
const Type *Ty, ///< The type to truncate to
- const std::string &Name, ///< A name for the new instruction
+ const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @brief Clone an identical FPTruncInst
- virtual CastInst *clone() const;
-
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const FPTruncInst *) { return true; }
static inline bool classof(const Instruction *I) {
/// @brief This class represents an extension of floating point types.
class FPExtInst : public CastInst {
- FPExtInst(const FPExtInst &CI)
- : CastInst(CI.getType(), FPExt, CI.getOperand(0)) {
- }
+protected:
+ /// @brief Clone an identical FPExtInst
+ virtual FPExtInst *clone_impl() const;
+
public:
/// @brief Constructor with insert-before-instruction semantics
FPExtInst(
Value *S, ///< The value to be extended
const Type *Ty, ///< The type to extend to
- const std::string &Name = "", ///< A name for the new instruction
+ const Twine &NameStr = "", ///< A name for the new instruction
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
FPExtInst(
Value *S, ///< The value to be extended
const Type *Ty, ///< The type to extend to
- const std::string &Name, ///< A name for the new instruction
+ const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @brief Clone an identical FPExtInst
- virtual CastInst *clone() const;
-
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const FPExtInst *) { return true; }
static inline bool classof(const Instruction *I) {
/// @brief This class represents a cast unsigned integer to floating point.
class UIToFPInst : public CastInst {
- UIToFPInst(const UIToFPInst &CI)
- : CastInst(CI.getType(), UIToFP, CI.getOperand(0)) {
- }
+protected:
+ /// @brief Clone an identical UIToFPInst
+ virtual UIToFPInst *clone_impl() const;
+
public:
/// @brief Constructor with insert-before-instruction semantics
UIToFPInst(
Value *S, ///< The value to be converted
const Type *Ty, ///< The type to convert to
- const std::string &Name = "", ///< A name for the new instruction
+ const Twine &NameStr = "", ///< A name for the new instruction
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
UIToFPInst(
Value *S, ///< The value to be converted
const Type *Ty, ///< The type to convert to
- const std::string &Name, ///< A name for the new instruction
+ const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @brief Clone an identical UIToFPInst
- virtual CastInst *clone() const;
-
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const UIToFPInst *) { return true; }
static inline bool classof(const Instruction *I) {
/// @brief This class represents a cast from signed integer to floating point.
class SIToFPInst : public CastInst {
- SIToFPInst(const SIToFPInst &CI)
- : CastInst(CI.getType(), SIToFP, CI.getOperand(0)) {
- }
+protected:
+ /// @brief Clone an identical SIToFPInst
+ virtual SIToFPInst *clone_impl() const;
+
public:
/// @brief Constructor with insert-before-instruction semantics
SIToFPInst(
Value *S, ///< The value to be converted
const Type *Ty, ///< The type to convert to
- const std::string &Name = "", ///< A name for the new instruction
+ const Twine &NameStr = "", ///< A name for the new instruction
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
SIToFPInst(
Value *S, ///< The value to be converted
const Type *Ty, ///< The type to convert to
- const std::string &Name, ///< A name for the new instruction
+ const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @brief Clone an identical SIToFPInst
- virtual CastInst *clone() const;
-
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const SIToFPInst *) { return true; }
static inline bool classof(const Instruction *I) {
/// @brief This class represents a cast from floating point to unsigned integer
class FPToUIInst : public CastInst {
- FPToUIInst(const FPToUIInst &CI)
- : CastInst(CI.getType(), FPToUI, CI.getOperand(0)) {
- }
+protected:
+ /// @brief Clone an identical FPToUIInst
+ virtual FPToUIInst *clone_impl() const;
+
public:
/// @brief Constructor with insert-before-instruction semantics
FPToUIInst(
Value *S, ///< The value to be converted
const Type *Ty, ///< The type to convert to
- const std::string &Name = "", ///< A name for the new instruction
+ const Twine &NameStr = "", ///< A name for the new instruction
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
FPToUIInst(
Value *S, ///< The value to be converted
const Type *Ty, ///< The type to convert to
- const std::string &Name, ///< A name for the new instruction
+ const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< Where to insert the new instruction
);
- /// @brief Clone an identical FPToUIInst
- virtual CastInst *clone() const;
-
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const FPToUIInst *) { return true; }
static inline bool classof(const Instruction *I) {
/// @brief This class represents a cast from floating point to signed integer.
class FPToSIInst : public CastInst {
- FPToSIInst(const FPToSIInst &CI)
- : CastInst(CI.getType(), FPToSI, CI.getOperand(0)) {
- }
+protected:
+ /// @brief Clone an identical FPToSIInst
+ virtual FPToSIInst *clone_impl() const;
+
public:
/// @brief Constructor with insert-before-instruction semantics
FPToSIInst(
Value *S, ///< The value to be converted
const Type *Ty, ///< The type to convert to
- const std::string &Name = "", ///< A name for the new instruction
+ const Twine &NameStr = "", ///< A name for the new instruction
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
FPToSIInst(
Value *S, ///< The value to be converted
const Type *Ty, ///< The type to convert to
- const std::string &Name, ///< A name for the new instruction
+ const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @brief Clone an identical FPToSIInst
- virtual CastInst *clone() const;
-
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const FPToSIInst *) { return true; }
static inline bool classof(const Instruction *I) {
/// @brief This class represents a cast from an integer to a pointer.
class IntToPtrInst : public CastInst {
- IntToPtrInst(const IntToPtrInst &CI)
- : CastInst(CI.getType(), IntToPtr, CI.getOperand(0)) {
- }
public:
/// @brief Constructor with insert-before-instruction semantics
IntToPtrInst(
Value *S, ///< The value to be converted
const Type *Ty, ///< The type to convert to
- const std::string &Name = "", ///< A name for the new instruction
+ const Twine &NameStr = "", ///< A name for the new instruction
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
IntToPtrInst(
Value *S, ///< The value to be converted
const Type *Ty, ///< The type to convert to
- const std::string &Name, ///< A name for the new instruction
+ const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
/// @brief Clone an identical IntToPtrInst
- virtual CastInst *clone() const;
+ virtual IntToPtrInst *clone_impl() const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const IntToPtrInst *) { return true; }
/// @brief This class represents a cast from a pointer to an integer
class PtrToIntInst : public CastInst {
- PtrToIntInst(const PtrToIntInst &CI)
- : CastInst(CI.getType(), PtrToInt, CI.getOperand(0)) {
- }
+protected:
+ /// @brief Clone an identical PtrToIntInst
+ virtual PtrToIntInst *clone_impl() const;
+
public:
/// @brief Constructor with insert-before-instruction semantics
PtrToIntInst(
Value *S, ///< The value to be converted
const Type *Ty, ///< The type to convert to
- const std::string &Name = "", ///< A name for the new instruction
+ const Twine &NameStr = "", ///< A name for the new instruction
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
PtrToIntInst(
Value *S, ///< The value to be converted
const Type *Ty, ///< The type to convert to
- const std::string &Name, ///< A name for the new instruction
+ const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @brief Clone an identical PtrToIntInst
- virtual CastInst *clone() const;
-
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const PtrToIntInst *) { return true; }
static inline bool classof(const Instruction *I) {
/// @brief This class represents a no-op cast from one type to another.
class BitCastInst : public CastInst {
- BitCastInst(const BitCastInst &CI)
- : CastInst(CI.getType(), BitCast, CI.getOperand(0)) {
- }
+protected:
+ /// @brief Clone an identical BitCastInst
+ virtual BitCastInst *clone_impl() const;
+
public:
/// @brief Constructor with insert-before-instruction semantics
BitCastInst(
Value *S, ///< The value to be casted
const Type *Ty, ///< The type to casted to
- const std::string &Name = "", ///< A name for the new instruction
+ const Twine &NameStr = "", ///< A name for the new instruction
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
BitCastInst(
Value *S, ///< The value to be casted
const Type *Ty, ///< The type to casted to
- const std::string &Name, ///< A name for the new instruction
+ const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @brief Clone an identical BitCastInst
- virtual CastInst *clone() const;
-
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const BitCastInst *) { return true; }
static inline bool classof(const Instruction *I) {