//
// 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.
//
//===----------------------------------------------------------------------===//
//
class VectorType;
class ConstantRange;
class APInt;
-class ParamAttrsList;
//===----------------------------------------------------------------------===//
// AllocationInst Class
/// AllocaInst.
///
class AllocationInst : public UnaryInstruction {
- unsigned Alignment;
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);
public:
+ // Out of line virtual method, so the vtable, etc. has a home.
+ virtual ~AllocationInst();
+
/// isArrayAllocation - Return true if there is an allocation size parameter
/// to the allocation instruction that is not 1.
///
/// getArraySize - Get the number of element 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;
- }
+ unsigned getAlignment() const { return (1u << SubclassData) >> 1; }
+ void setAlignment(unsigned Align);
virtual Instruction *clone() const = 0;
///
class FreeInst : public UnaryInstruction {
void AssertOK();
-protected:
- static void destroyThis(FreeInst* v) {
- UnaryInstruction::destroyThis(v);
- }
- friend class Value;
public:
explicit FreeInst(Value *Ptr, Instruction *InsertBefore = 0);
FreeInst(Value *Ptr, BasicBlock *InsertAfter);
#endif
}
void AssertOK();
-protected:
- static void destroyThis(LoadInst* v) {
- UnaryInstruction::destroyThis(v);
- }
- friend class Value;
public:
LoadInst(Value *Ptr, const std::string &Name, Instruction *InsertBefore);
LoadInst(Value *Ptr, const std::string &Name, BasicBlock *InsertAtEnd);
/// StoreInst - an instruction for storing to memory
///
class StoreInst : public Instruction {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
Use Ops[2];
StoreInst(const StoreInst &SI) : Instruction(SI.getType(), Store, Ops, 2) {
#endif
}
void AssertOK();
-protected:
- static void destroyThis(StoreInst* v) {
- Instruction::destroyThis(v);
- }
- friend class Value;
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,
}
}
-protected:
- static void destroyThis(GetElementPtrInst*v);
- friend class Value;
-public:
/// Constructors - Create a getelementptr instruction with a base pointer an
/// list of indices. The first ctor can optionally insert before an existing
/// instruction, the second appends the new instruction to the specified
GetElementPtrInst(Value *Ptr, InputIterator IdxBegin,
InputIterator IdxEnd,
const std::string &Name = "",
- Instruction *InsertBefore =0)
+ Instruction *InsertBefore = 0)
: Instruction(PointerType::get(
checkType(getIndexedType(Ptr->getType(),
- IdxBegin, IdxEnd, true))),
+ IdxBegin, IdxEnd, true)),
+ cast<PointerType>(Ptr->getType())->getAddressSpace()),
GetElementPtr, 0, 0, InsertBefore) {
init(Ptr, IdxBegin, IdxEnd, Name,
typename std::iterator_traits<InputIterator>::iterator_category());
const std::string &Name, BasicBlock *InsertAtEnd)
: Instruction(PointerType::get(
checkType(getIndexedType(Ptr->getType(),
- IdxBegin, IdxEnd, true))),
+ IdxBegin, IdxEnd, true)),
+ cast<PointerType>(Ptr->getType())->getAddressSpace()),
GetElementPtr, 0, 0, InsertAtEnd) {
init(Ptr, IdxBegin, IdxEnd, Name,
typename std::iterator_traits<InputIterator>::iterator_category());
/// Constructors - These two constructors are convenience methods because one
/// and two index getelementptr instructions are so common.
GetElementPtrInst(Value *Ptr, Value *Idx,
- const std::string &Name = "", Instruction *InsertBefore =0);
+ const std::string &Name = "", Instruction *InsertBefore = 0);
GetElementPtrInst(Value *Ptr, Value *Idx,
const std::string &Name, BasicBlock *InsertAtEnd);
+public:
+ template<typename InputIterator>
+ static GetElementPtrInst *Create(Value *Ptr, InputIterator IdxBegin,
+ InputIterator IdxEnd,
+ const std::string &Name = "",
+ Instruction *InsertBefore = 0) {
+ return new(0/*FIXME*/) GetElementPtrInst(Ptr, IdxBegin, IdxEnd, Name, InsertBefore);
+ }
+ template<typename InputIterator>
+ static GetElementPtrInst *Create(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd,
+ const std::string &Name, BasicBlock *InsertAtEnd) {
+ return new(0/*FIXME*/) GetElementPtrInst(Ptr, IdxBegin, IdxEnd, Name, InsertAtEnd);
+ }
+
+ /// Constructors - These two constructors are convenience methods because one
+ /// and two index getelementptr instructions are so common.
+ static GetElementPtrInst *Create(Value *Ptr, Value *Idx,
+ const std::string &Name = "", Instruction *InsertBefore = 0) {
+ return new(2/*FIXME*/) GetElementPtrInst(Ptr, Idx, Name, InsertBefore);
+ }
+ static GetElementPtrInst *Create(Value *Ptr, Value *Idx,
+ const std::string &Name, BasicBlock *InsertAtEnd) {
+ return new(2/*FIXME*/) GetElementPtrInst(Ptr, Idx, Name, InsertAtEnd);
+ }
+ ~GetElementPtrInst();
virtual GetElementPtrInst *clone() const;
// getType - Overload to return most specific pointer type...
- inline const PointerType *getType() const {
+ const PointerType *getType() const {
return reinterpret_cast<const PointerType*>(Instruction::getType());
}
return 0U; // get index for modifying correct operand
}
- inline unsigned getNumIndices() const { // Note: always non-negative
+ unsigned getNumIndices() const { // Note: always non-negative
return getNumOperands() - 1;
}
- inline bool hasIndices() const {
+ bool hasIndices() const {
return getNumOperands() > 1;
}
/// vectors of integrals. The two operands must be the same type.
/// @brief Represent an integer comparison operator.
class ICmpInst: public CmpInst {
-protected:
- static void destroyThis(ICmpInst* v) {
- CmpInst::destroyThis(v);
- }
- friend class Value;
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
/// @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) {
/// vectors of floating point values. The operands must be identical types.
/// @brief Represents a floating point comparison operator.
class FCmpInst: public CmpInst {
-protected:
- static void destroyThis(FCmpInst* v) {
- CmpInst::destroyThis(v);
- }
- friend class Value;
public:
/// This enumeration lists the possible predicates for the FCmpInst. Values
/// in the range 0-31 are reserved for FCmpInst.
///
class CallInst : public Instruction {
- const ParamAttrsList *ParamAttrs; ///< parameter attributes for call
+ PAListPtr ParamAttrs; ///< 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);
setName(Name);
}
-protected:
- static void destroyThis(CallInst*v);
- friend class Value;
-public:
/// Construct a CallInst given a range of arguments. InputIterator
/// must be a random-access iterator pointing to contiguous storage
/// (e.g. a std::vector<>::iterator). Checks are made for
explicit CallInst(Value *F, const std::string &Name = "",
Instruction *InsertBefore = 0);
CallInst(Value *F, const std::string &Name, BasicBlock *InsertAtEnd);
+public:
+ template<typename InputIterator>
+ static CallInst *Create(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd,
+ const std::string &Name = "", Instruction *InsertBefore = 0) {
+ return new(ArgEnd - ArgBegin + 1) CallInst(Func, ArgBegin, ArgEnd, Name, InsertBefore);
+ }
+ template<typename InputIterator>
+ static CallInst *Create(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd,
+ const std::string &Name, BasicBlock *InsertAtEnd) {
+ return new(ArgEnd - ArgBegin + 1) CallInst(Func, ArgBegin, ArgEnd, Name, InsertAtEnd);
+ }
+ static CallInst *Create(Value *F, Value *Actual, const std::string& Name = "",
+ Instruction *InsertBefore = 0) {
+ return new(2) CallInst(F, Actual, Name, InsertBefore);
+ }
+ static CallInst *Create(Value *F, Value *Actual, const std::string& Name,
+ BasicBlock *InsertAtEnd) {
+ return new(2) CallInst(F, Actual, Name, InsertAtEnd);
+ }
+ static CallInst *Create(Value *F, const std::string &Name = "",
+ Instruction *InsertBefore = 0) {
+ return new(1) CallInst(F, Name, InsertBefore);
+ }
+ static CallInst *Create(Value *F, const std::string &Name, BasicBlock *InsertAtEnd) {
+ return new(1) CallInst(F, Name, InsertAtEnd);
+ }
+
+ ~CallInst();
virtual CallInst *clone() const;
SubclassData = (SubclassData & 1) | (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; }
+ /// getParamAttrs - Return the parameter attributes for this call.
+ ///
+ const PAListPtr &getParamAttrs() const { return ParamAttrs; }
- /// Sets the parameter attributes for this CallInst. To construct a
- /// ParamAttrsList, see ParameterAttributes.h
- /// @brief Set the parameter attributes.
- void setParamAttrs(const ParamAttrsList *attrs);
+ /// setParamAttrs - Sets the parameter attributes for this call.
+ void setParamAttrs(const PAListPtr &Attrs) { ParamAttrs = Attrs; }
/// @brief Determine whether the call or the callee has the given attribute.
- bool paramHasAttr(uint16_t i, ParameterAttributes attr) const;
+ bool paramHasAttr(unsigned i, unsigned attr) const;
+
+ /// @brief Extract the alignment for a call or parameter (0=unknown).
+ unsigned getParamAlignment(unsigned i) const {
+ return ParamAttrs.getParamAlignment(i);
+ }
/// @brief Determine if the call does not access memory.
bool doesNotAccessMemory() const {
return paramHasAttr(0, ParamAttr::ReadNone);
}
-
+
/// @brief Determine if the call does not access or only reads memory.
bool onlyReadsMemory() const {
return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
}
+
+ /// @brief Determine if the call cannot return.
+ bool doesNotReturn() const {
+ return paramHasAttr(0, ParamAttr::NoReturn);
+ }
/// @brief Determine if the call cannot unwind.
- bool isNoUnwind() const {
+ bool doesNotThrow() const {
return paramHasAttr(0, ParamAttr::NoUnwind);
}
+ void setDoesNotThrow(bool doesNotThrow = true);
- /// @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);
}
+ /// @brief Determine if any call argument is an aggregate passed by value.
+ bool hasByValArgument() const {
+ return ParamAttrs.hasAttrSomewhere(ParamAttr::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.
/// 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); }
+ const Value *getCalledValue() const { return getOperand(0); }
+ Value *getCalledValue() { return getOperand(0); }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const CallInst *) { return true; }
: Instruction(SI.getType(), SI.getOpcode(), Ops, 3) {
init(SI.Ops[0], SI.Ops[1], SI.Ops[2]);
}
-protected:
- static void destroyThis(SelectInst* v) {
- Instruction::destroyThis(v);
- }
- friend class Value;
-public:
SelectInst(Value *C, Value *S1, Value *S2, const std::string &Name = "",
Instruction *InsertBefore = 0)
: Instruction(S1->getType(), Instruction::Select, Ops, 3, InsertBefore) {
init(C, S1, S2);
setName(Name);
}
+public:
+ static SelectInst *Create(Value *C, Value *S1, Value *S2, const std::string &Name = "",
+ Instruction *InsertBefore = 0) {
+ return new(3) SelectInst(C, S1, S2, Name, InsertBefore);
+ }
+ static SelectInst *Create(Value *C, Value *S1, Value *S2, const std::string &Name,
+ BasicBlock *InsertAtEnd) {
+ return new(3) SelectInst(C, S1, S2, Name, InsertAtEnd);
+ }
Value *getCondition() const { return Ops[0]; }
Value *getTrueValue() const { return Ops[1]; }
class VAArgInst : public UnaryInstruction {
VAArgInst(const VAArgInst &VAA)
: UnaryInstruction(VAA.getType(), VAArg, VAA.getOperand(0)) {}
-protected:
- static void destroyThis(VAArgInst* v) {
- UnaryInstruction::destroyThis(v);
- }
- friend class Value;
public:
VAArgInst(Value *List, const Type *Ty, const std::string &Name = "",
Instruction *InsertBefore = 0)
Ops[1].init(EE.Ops[1], this);
}
-protected:
- static void destroyThis(ExtractElementInst* v) {
- Instruction::destroyThis(v);
- }
- friend class Value;
public:
+ // allocate space for exactly two operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 2); // FIXME: unsigned Idx forms of constructor?
+ }
ExtractElementInst(Value *Vec, Value *Idx, const std::string &Name = "",
Instruction *InsertBefore = 0);
ExtractElementInst(Value *Vec, unsigned Idx, const std::string &Name = "",
class InsertElementInst : public Instruction {
Use Ops[3];
InsertElementInst(const InsertElementInst &IE);
-protected:
- static void destroyThis(InsertElementInst* v) {
- Instruction::destroyThis(v);
- }
- friend class Value;
-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, BasicBlock *InsertAtEnd);
InsertElementInst(Value *Vec, Value *NewElt, unsigned Idx,
const std::string &Name, BasicBlock *InsertAtEnd);
+public:
+ static InsertElementInst *Create(const InsertElementInst &IE) {
+ return new(IE.getNumOperands()) InsertElementInst(IE);
+ }
+ static InsertElementInst *Create(Value *Vec, Value *NewElt, Value *Idx,
+ const std::string &Name = "",Instruction *InsertBefore = 0) {
+ return new(3) InsertElementInst(Vec, NewElt, Idx, Name, InsertBefore);
+ }
+ static InsertElementInst *Create(Value *Vec, Value *NewElt, unsigned Idx,
+ const std::string &Name = "",Instruction *InsertBefore = 0) {
+ return new(3/*FIXME*/) InsertElementInst(Vec, NewElt, Idx, Name, InsertBefore);
+ }
+ static InsertElementInst *Create(Value *Vec, Value *NewElt, Value *Idx,
+ const std::string &Name, BasicBlock *InsertAtEnd) {
+ return new(3) InsertElementInst(Vec, NewElt, Idx, Name, InsertAtEnd);
+ }
+ static InsertElementInst *Create(Value *Vec, Value *NewElt, unsigned Idx,
+ const std::string &Name, BasicBlock *InsertAtEnd) {
+ return new(3/*FIXME*/) InsertElementInst(Vec, NewElt, Idx, Name, InsertAtEnd);
+ }
/// isValidOperands - Return true if an insertelement instruction can be
/// formed with the specified operands.
/// getType - Overload to return most specific vector type.
///
- inline const VectorType *getType() const {
+ const VectorType *getType() const {
return reinterpret_cast<const VectorType*>(Instruction::getType());
}
class ShuffleVectorInst : public Instruction {
Use Ops[3];
ShuffleVectorInst(const ShuffleVectorInst &IE);
-protected:
- static void destroyThis(ShuffleVectorInst* v) {
- Instruction::destroyThis(v);
- }
- friend class Value;
public:
+ // allocate space for exactly three operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 3);
+ }
ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
const std::string &Name = "", Instruction *InsertBefor = 0);
ShuffleVectorInst(Value *V1, Value *V2, 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 {
+ const Value *getOperand(unsigned i) const {
+ assert(i < 3 && "getOperand() out of range!");
+ return Ops[i];
+ }
+ Value *getOperand(unsigned i) {
assert(i < 3 && "getOperand() out of range!");
return Ops[i];
}
Ops[i] = Val;
}
unsigned getNumOperands() const { return 3; }
+
+ /// 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; }
// 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);
-protected:
- static void destroyThis(PHINode*);
- friend class Value;
-public:
+ // allocate space for exactly zero operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 0);
+ }
explicit PHINode(const Type *Ty, const std::string &Name = "",
Instruction *InsertBefore = 0)
: Instruction(Ty, Instruction::PHI, 0, 0, InsertBefore),
ReservedSpace(0) {
setName(Name);
}
+public:
+ static PHINode *Create(const Type *Ty, const std::string &Name = "",
+ Instruction *InsertBefore = 0) {
+ return new PHINode(Ty, Name, InsertBefore);
+ }
+ static PHINode *Create(const Type *Ty, const std::string &Name, BasicBlock *InsertAtEnd) {
+ return new PHINode(Ty, Name, InsertAtEnd);
+ }
+ ~PHINode();
/// reserveOperandSpace - This method can be used to avoid repeated
/// reallocation of PHI operand lists by reserving space for the correct
/// 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;
/// does not continue in this function any longer.
///
class ReturnInst : public TerminatorInst {
- Use RetVal; // Return Value: null if 'void'.
+ Use RetVal;
ReturnInst(const ReturnInst &RI);
- void init(Value *RetVal);
+ void init(Value * const* retVals, unsigned N);
-public:
+private:
// ReturnInst constructors:
// ReturnInst() - 'ret void' instruction
// ReturnInst( null) - 'ret void' instruction
// 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(Value* X, N) - 'ret X,X+1...X+N-1' instruction
+ // ReturnInst(Value* X, N, Inst *) - 'ret X,X+1...X+N-1', insert before I
+ // ReturnInst(Value* X, N, BB *) - 'ret X,X+1...X+N-1', insert @ end of BB
//
// 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);
+ ReturnInst(Value * const* retVals, unsigned N);
+ ReturnInst(Value * const* retVals, unsigned N, Instruction *InsertBefore);
+ ReturnInst(Value * const* retVals, unsigned N, BasicBlock *InsertAtEnd);
explicit ReturnInst(BasicBlock *InsertAtEnd);
+public:
+ static ReturnInst* Create(Value *retVal = 0, Instruction *InsertBefore = 0) {
+ return new(!!retVal) ReturnInst(retVal, InsertBefore);
+ }
+ static ReturnInst* Create(Value *retVal, BasicBlock *InsertAtEnd) {
+ return new(!!retVal) ReturnInst(retVal, InsertAtEnd);
+ }
+ static ReturnInst* Create(Value * const* retVals, unsigned N) {
+ return new(N) ReturnInst(retVals, N);
+ }
+ static ReturnInst* Create(Value * const* retVals, unsigned N, Instruction *InsertBefore) {
+ return new(N) ReturnInst(retVals, N, InsertBefore);
+ }
+ static ReturnInst* Create(Value * const* retVals, unsigned N, BasicBlock *InsertAtEnd) {
+ return new(N) ReturnInst(retVals, N, InsertAtEnd);
+ }
+ static ReturnInst* Create(BasicBlock *InsertAtEnd) {
+ return new(0) ReturnInst(InsertAtEnd);
+ }
+ virtual ~ReturnInst();
virtual ReturnInst *clone() const;
- // Transparently provide more efficient getOperand methods.
- Value *getOperand(unsigned i) const {
- assert(i < getNumOperands() && "getOperand() out of range!");
- return RetVal;
- }
- void setOperand(unsigned i, Value *Val) {
- assert(i < getNumOperands() && "setOperand() out of range!");
- RetVal = Val;
+ Value *getOperand(unsigned n = 0) const {
+ if (getNumOperands() > 1)
+ return TerminatorInst::getOperand(n);
+ else
+ return RetVal;
}
- Value *getReturnValue() const { return RetVal; }
+ Value *getReturnValue(unsigned n = 0) const {
+ return getOperand(n);
+ }
unsigned getNumSuccessors() const { return 0; }
Use Ops[3];
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);
+public:
+ static BranchInst *Create(BasicBlock *IfTrue, Instruction *InsertBefore = 0) {
+ return new(1) BranchInst(IfTrue, InsertBefore);
+ }
+ static BranchInst *Create(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *Cond,
+ Instruction *InsertBefore = 0) {
+ return new(3) BranchInst(IfTrue, IfFalse, Cond, InsertBefore);
+ }
+ static BranchInst *Create(BasicBlock *IfTrue, BasicBlock *InsertAtEnd) {
+ return new(1) BranchInst(IfTrue, InsertAtEnd);
+ }
+ static BranchInst *Create(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *Cond,
+ BasicBlock *InsertAtEnd) {
+ return new(3) BranchInst(IfTrue, IfFalse, Cond, InsertAtEnd);
+ }
/// Transparently provide more efficient getOperand methods.
Value *getOperand(unsigned i) const {
virtual BranchInst *clone() const;
- 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);
}
SwitchInst(const SwitchInst &RI);
void init(Value *Value, BasicBlock *Default, unsigned NumCases);
void resizeOperands(unsigned No);
-protected:
- static void destroyThis(SwitchInst*v);
- friend class Value;
-public:
/// 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);
-
+public:
+ static SwitchInst *Create(Value *Value, BasicBlock *Default, unsigned NumCases,
+ Instruction *InsertBefore = 0) {
+ return new(NumCases/*FIXME*/) SwitchInst(Value, Default, NumCases, InsertBefore);
+ }
+ static SwitchInst *Create(Value *Value, BasicBlock *Default, unsigned NumCases,
+ BasicBlock *InsertAtEnd) {
+ return new(NumCases/*FIXME*/) SwitchInst(Value, Default, NumCases, InsertAtEnd);
+ }
+ ~SwitchInst();
// 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));
}
// 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));
}
/// calling convention of the call.
///
class InvokeInst : public TerminatorInst {
- const ParamAttrsList *ParamAttrs;
+ PAListPtr ParamAttrs;
InvokeInst(const InvokeInst &BI);
void init(Value *Fn, BasicBlock *IfNormal, BasicBlock *IfException,
Value* const *Args, unsigned NumArgs);
setName(Name);
}
-protected:
- static void destroyThis(InvokeInst*v);
- friend class Value;
-public:
/// Construct an InvokeInst given a range of arguments.
/// InputIterator must be a random-access iterator pointing to
/// contiguous storage (e.g. a std::vector<>::iterator). Checks are
init(Func, IfNormal, IfException, ArgBegin, ArgEnd, Name,
typename std::iterator_traits<InputIterator>::iterator_category());
}
+public:
+ template<typename InputIterator>
+ static InvokeInst *Create(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
+ InputIterator ArgBegin, InputIterator ArgEnd,
+ const std::string &Name = "", Instruction *InsertBefore = 0) {
+ return new(ArgEnd - ArgBegin + 3) InvokeInst(Func, IfNormal, IfException, ArgBegin, ArgEnd, Name, InsertBefore);
+ }
+ template<typename InputIterator>
+ static InvokeInst *Create(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
+ InputIterator ArgBegin, InputIterator ArgEnd,
+ const std::string &Name, BasicBlock *InsertAtEnd) {
+ return new(ArgEnd - ArgBegin + 3) InvokeInst(Func, IfNormal, IfException, ArgBegin, ArgEnd, Name, InsertAtEnd);
+ }
+
+ ~InvokeInst();
virtual InvokeInst *clone() const;
SubclassData = 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; }
+ /// getParamAttrs - Return the parameter attributes for this invoke.
+ ///
+ const PAListPtr &getParamAttrs() const { return ParamAttrs; }
- /// Sets the parameter attributes for this InvokeInst. To construct a
- /// ParamAttrsList, see ParameterAttributes.h
- /// @brief Set the parameter attributes.
- void setParamAttrs(const ParamAttrsList *attrs);
+ /// setParamAttrs - Set the parameter attributes for this invoke.
+ ///
+ void setParamAttrs(const PAListPtr &Attrs) { ParamAttrs = Attrs; }
/// @brief Determine whether the call or the callee has the given attribute.
- bool paramHasAttr(uint16_t i, ParameterAttributes attr) const;
+ bool paramHasAttr(unsigned i, ParameterAttributes attr) const;
+
+ /// @brief Extract the alignment for a call or parameter (0=unknown).
+ unsigned getParamAlignment(unsigned i) const {
+ return ParamAttrs.getParamAlignment(i);
+ }
/// @brief Determine if the call does not access memory.
bool doesNotAccessMemory() const {
return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
}
+ /// @brief Determine if the call cannot return.
+ bool doesNotReturn() const {
+ return paramHasAttr(0, ParamAttr::NoReturn);
+ }
+
/// @brief Determine if the call cannot unwind.
- bool isNoUnwind() const {
+ bool doesNotThrow() const {
return paramHasAttr(0, ParamAttr::NoUnwind);
}
+ void setDoesNotThrow(bool doesNotThrow = true);
- /// @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);
}
}
// getCalledValue - Get a pointer to a function that is invoked by this inst.
- inline Value *getCalledValue() const { return getOperand(0); }
+ Value *getCalledValue() const { return getOperand(0); }
// get*Dest - Return the destination basic blocks...
BasicBlock *getNormalDest() const {
setOperand(2, 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();
}
/// until an invoke instruction is found.
///
class UnwindInst : public TerminatorInst {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
public:
+ // allocate space for exactly zero operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 0);
+ }
explicit UnwindInst(Instruction *InsertBefore = 0);
explicit UnwindInst(BasicBlock *InsertAtEnd);
/// end of the block cannot be reached.
///
class UnreachableInst : public TerminatorInst {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
public:
+ // allocate space for exactly zero operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 0);
+ }
explicit UnreachableInst(Instruction *InsertBefore = 0);
explicit UnreachableInst(BasicBlock *InsertAtEnd);
TruncInst(const TruncInst &CI)
: CastInst(CI.getType(), Trunc, CI.getOperand(0)) {
}
-protected:
- static void destroyThis(TruncInst* v) {
- CastInst::destroyThis(v);
- }
- friend class Value;
public:
/// @brief Constructor with insert-before-instruction semantics
TruncInst(
ZExtInst(const ZExtInst &CI)
: CastInst(CI.getType(), ZExt, CI.getOperand(0)) {
}
-protected:
- static void destroyThis(ZExtInst* v) {
- CastInst::destroyThis(v);
- }
- friend class Value;
public:
/// @brief Constructor with insert-before-instruction semantics
ZExtInst(
SExtInst(const SExtInst &CI)
: CastInst(CI.getType(), SExt, CI.getOperand(0)) {
}
-protected:
- static void destroyThis(SExtInst* v) {
- CastInst::destroyThis(v);
- }
- friend class Value;
public:
/// @brief Constructor with insert-before-instruction semantics
SExtInst(
FPTruncInst(const FPTruncInst &CI)
: CastInst(CI.getType(), FPTrunc, CI.getOperand(0)) {
}
-protected:
- static void destroyThis(FPTruncInst* v) {
- CastInst::destroyThis(v);
- }
- friend class Value;
public:
/// @brief Constructor with insert-before-instruction semantics
FPTruncInst(
FPExtInst(const FPExtInst &CI)
: CastInst(CI.getType(), FPExt, CI.getOperand(0)) {
}
-protected:
- static void destroyThis(FPExtInst* v) {
- CastInst::destroyThis(v);
- }
- friend class Value;
public:
/// @brief Constructor with insert-before-instruction semantics
FPExtInst(
UIToFPInst(const UIToFPInst &CI)
: CastInst(CI.getType(), UIToFP, CI.getOperand(0)) {
}
-protected:
- static void destroyThis(UIToFPInst* v) {
- CastInst::destroyThis(v);
- }
- friend class Value;
public:
/// @brief Constructor with insert-before-instruction semantics
UIToFPInst(
SIToFPInst(const SIToFPInst &CI)
: CastInst(CI.getType(), SIToFP, CI.getOperand(0)) {
}
-protected:
- static void destroyThis(SIToFPInst* v) {
- CastInst::destroyThis(v);
- }
- friend class Value;
public:
/// @brief Constructor with insert-before-instruction semantics
SIToFPInst(
FPToUIInst(const FPToUIInst &CI)
: CastInst(CI.getType(), FPToUI, CI.getOperand(0)) {
}
-protected:
- static void destroyThis(FPToUIInst* v) {
- CastInst::destroyThis(v);
- }
- friend class Value;
public:
/// @brief Constructor with insert-before-instruction semantics
FPToUIInst(
FPToSIInst(const FPToSIInst &CI)
: CastInst(CI.getType(), FPToSI, CI.getOperand(0)) {
}
-protected:
- static void destroyThis(FPToSIInst* v) {
- CastInst::destroyThis(v);
- }
- friend class Value;
public:
/// @brief Constructor with insert-before-instruction semantics
FPToSIInst(
IntToPtrInst(const IntToPtrInst &CI)
: CastInst(CI.getType(), IntToPtr, CI.getOperand(0)) {
}
-protected:
- static void destroyThis(IntToPtrInst* v) {
- CastInst::destroyThis(v);
- }
- friend class Value;
public:
/// @brief Constructor with insert-before-instruction semantics
IntToPtrInst(
PtrToIntInst(const PtrToIntInst &CI)
: CastInst(CI.getType(), PtrToInt, CI.getOperand(0)) {
}
-protected:
- static void destroyThis(PtrToIntInst* v) {
- CastInst::destroyThis(v);
- }
- friend class Value;
public:
/// @brief Constructor with insert-before-instruction semantics
PtrToIntInst(
BitCastInst(const BitCastInst &CI)
: CastInst(CI.getType(), BitCast, CI.getOperand(0)) {
}
-protected:
- static void destroyThis(BitCastInst* v) {
- CastInst::destroyThis(v);
- }
- friend class Value;
public:
/// @brief Constructor with insert-before-instruction semantics
BitCastInst(
}
};
+//===----------------------------------------------------------------------===//
+// GetResultInst Class
+//===----------------------------------------------------------------------===//
+
+/// GetResultInst - This instruction extracts individual result value from
+/// aggregate value, where aggregate value is returned by CallInst.
+///
+class GetResultInst : public /*FIXME: Unary*/Instruction {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ Use Aggr;
+ unsigned Idx;
+ GetResultInst(const GetResultInst &GRI) :
+ Instruction(GRI.getType(), Instruction::GetResult, &Aggr, 1) {
+ Aggr.init(GRI.Aggr, this);
+ Idx = GRI.Idx;
+ }
+
+public:
+ // allocate space for exactly one operand
+ void *operator new(size_t s) {
+ return User::operator new(s, 1);
+ }
+ explicit GetResultInst(Value *Aggr, unsigned index,
+ const std::string &Name = "",
+ Instruction *InsertBefore = 0);
+
+ /// isValidOperands - Return true if an getresult instruction can be
+ /// formed with the specified operands.
+ static bool isValidOperands(const Value *Aggr, unsigned index);
+
+ virtual GetResultInst *clone() const;
+
+ Value *getAggregateValue() {
+ return getOperand(0);
+ }
+
+ const Value *getAggregateValue() const {
+ return getOperand(0);
+ }
+
+ unsigned getIndex() const {
+ return Idx;
+ }
+
+ unsigned getNumOperands() const { return 1; }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const GetResultInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return (I->getOpcode() == Instruction::GetResult);
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
} // End llvm namespace
#endif