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.
+ // Out of line virtual method, so the vtable, etc. has a home.
virtual ~AllocationInst();
/// isArrayAllocation - Return true if there is an allocation size parameter
/// 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;
/// 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) {
}
void AssertOK();
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,
}
}
-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)),
/// 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;
///
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);
}
-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, unsigned attr) const;
+ bool paramHasAttr(unsigned i, unsigned attr) const;
/// @brief Extract the alignment for a call or parameter (0=unknown).
- uint16_t getParamAlignment(uint16_t i) const;
+ unsigned getParamAlignment(unsigned i) const {
+ return ParamAttrs.getParamAlignment(i);
+ }
/// @brief Determine if the call does not access memory.
- bool doesNotAccessMemory() const;
+ bool doesNotAccessMemory() const {
+ return paramHasAttr(0, ParamAttr::ReadNone);
+ }
/// @brief Determine if the call does not access or only reads memory.
- bool onlyReadsMemory() const;
+ bool onlyReadsMemory() const {
+ return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
+ }
/// @brief Determine if the call cannot return.
- bool doesNotReturn() const;
+ bool doesNotReturn() const {
+ return paramHasAttr(0, ParamAttr::NoReturn);
+ }
/// @brief Determine if the call cannot unwind.
- bool doesNotThrow() 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;
+ 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,
: 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) {
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]; }
}
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);
-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.
Use Ops[3];
ShuffleVectorInst(const ShuffleVectorInst &IE);
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,
}
/// 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);
-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
/// 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;
ReturnInst(const ReturnInst &RI);
- void init(Value *RetVal);
- void init(std::vector<Value *> &RetVals);
+ 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(std::vector<Value *> &retVals);
- ReturnInst(std::vector<Value *> &retVals, Instruction *InsertBefore);
- ReturnInst(std::vector<Value *> &retVals, 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;
- Value *getReturnValue(unsigned n = 0) const;
+ Value *getOperand(unsigned n = 0) const {
+ if (getNumOperands() > 1)
+ return TerminatorInst::getOperand(n);
+ else
+ 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 {
SwitchInst(const SwitchInst &RI);
void init(Value *Value, BasicBlock *Default, unsigned NumCases);
void resizeOperands(unsigned No);
-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
Value *getCondition() const { return getOperand(0); }
void setCondition(Value *V) { setOperand(0, V); }
/// 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);
}
-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();
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).
- uint16_t getParamAlignment(uint16_t i) const;
+ unsigned getParamAlignment(unsigned i) const {
+ return ParamAttrs.getParamAlignment(i);
+ }
/// @brief Determine if the call does not access memory.
- bool doesNotAccessMemory() const;
+ bool doesNotAccessMemory() const {
+ return paramHasAttr(0, ParamAttr::ReadNone);
+ }
/// @brief Determine if the call does not access or only reads memory.
- bool onlyReadsMemory() const;
+ bool onlyReadsMemory() const {
+ return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
+ }
/// @brief Determine if the call cannot return.
- bool doesNotReturn() const;
+ bool doesNotReturn() const {
+ return paramHasAttr(0, ParamAttr::NoReturn);
+ }
/// @brief Determine if the call cannot unwind.
- bool doesNotThrow() 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);
+ }
/// getCalledFunction - Return the function called, or null if this is an
/// indirect function invocation.
/// 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);
/// GetResultInst - This instruction extracts individual result value from
/// aggregate value, where aggregate value is returned by CallInst.
///
-class GetResultInst : public Instruction {
+class GetResultInst : public /*FIXME: Unary*/Instruction {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
Use Aggr;
unsigned Idx;
GetResultInst(const GetResultInst &GRI) :
}
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);
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