static int getListOffset();
};
-class Function : public GlobalValue, public Annotable {
+class Function : public GlobalValue, public Annotable,
+ public ilist_node<Function> {
public:
typedef iplist<Argument> ArgumentListType;
typedef iplist<BasicBlock> BasicBlockListType;
friend class SymbolTableListTraits<Function, Module>;
void setParent(Module *parent);
- Function *Prev, *Next;
- void setNext(Function *N) { Next = N; }
- void setPrev(Function *N) { Prev = N; }
-
- // getNext/Prev - Return the next or previous function in the list. These
- // methods should never be used directly, and are only used to implement the
- // function list as part of the module.
- //
- Function *getNext() { return Next; }
- const Function *getNext() const { return Next; }
- Function *getPrev() { return Prev; }
- const Function *getPrev() const { return Prev; }
/// hasLazyArguments/CheckLazyArguments - The argument list of a function is
/// built on demand, so that the list isn't allocated until the first client
Function(const Function&); // DO NOT IMPLEMENT
void operator=(const Function&); // DO NOT IMPLEMENT
-public:
+
/// Function ctor - If the (optional) Module argument is specified, the
/// function is automatically inserted into the end of the function list for
/// the module.
///
Function(const FunctionType *Ty, LinkageTypes Linkage,
const std::string &N = "", Module *M = 0);
+
+public:
+ static Function *Create(const FunctionType *Ty, LinkageTypes Linkage,
+ const std::string &N = "", Module *M = 0) {
+ return new(0) Function(Ty, Linkage, N, M);
+ }
+
~Function();
const Type *getReturnType() const; // Return the type of the ret val
SubclassData = (SubclassData & 1) | (CC << 1);
}
- /// getParamAttrs - Return the parameter attributes for this function.
+ /// getParamAttrs - Return the parameter attributes for this Function.
+ ///
const PAListPtr &getParamAttrs() const { return ParamAttrs; }
/// setParamAttrs - Set the parameter attributes for this Function.
+ ///
void setParamAttrs(const PAListPtr &attrs) { ParamAttrs = attrs; }
/// hasCollector/getCollector/setCollector/clearCollector - The name of the
void clearCollector();
/// @brief Determine whether the function has the given attribute.
- bool paramHasAttr(uint16_t i, ParameterAttributes attr) const;
-
- /// @brief Extract the alignment for a call or parameter (0=unknown).
- uint16_t getParamAlignment(uint16_t i) const;
+ bool paramHasAttr(unsigned i, ParameterAttributes attr) const {
+ return ParamAttrs.paramHasAttr(i, attr);
+ }
- /// @brief Determine if the function cannot return.
- bool doesNotReturn() const;
+ /// addParamAttr - adds the attribute to the list of attributes.
+ void addParamAttr(unsigned i, ParameterAttributes attr);
+
+ /// removeParamAttr - removes the attribute from the list of attributes.
+ void removeParamAttr(unsigned i, ParameterAttributes attr);
- /// @brief Determine if the function cannot unwind.
- bool doesNotThrow() 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 function does not access memory.
- bool doesNotAccessMemory() const;
+ bool doesNotAccessMemory() const {
+ return paramHasAttr(0, ParamAttr::ReadNone);
+ }
+ void setDoesNotAccessMemory(bool DoesNotAccessMemory = true) {
+ if (DoesNotAccessMemory) addParamAttr(0, ParamAttr::ReadNone);
+ else removeParamAttr(0, ParamAttr::ReadNone);
+ }
/// @brief Determine if the function does not access or only reads memory.
- bool onlyReadsMemory() const;
+ bool onlyReadsMemory() const {
+ return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
+ }
+ void setOnlyReadsMemory(bool OnlyReadsMemory = true) {
+ if (OnlyReadsMemory) addParamAttr(0, ParamAttr::ReadOnly);
+ else removeParamAttr(0, ParamAttr::ReadOnly | ParamAttr::ReadNone);
+ }
+
+ /// @brief Determine if the function cannot return.
+ bool doesNotReturn() const {
+ return paramHasAttr(0, ParamAttr::NoReturn);
+ }
+ void setDoesNotReturn(bool DoesNotReturn = true) {
+ if (DoesNotReturn) addParamAttr(0, ParamAttr::NoReturn);
+ else removeParamAttr(0, ParamAttr::NoReturn);
+ }
+
+ /// @brief Determine if the function cannot unwind.
+ bool doesNotThrow() const {
+ return paramHasAttr(0, ParamAttr::NoUnwind);
+ }
+ void setDoesNotThrow(bool DoesNotThrow = true) {
+ if (DoesNotThrow) addParamAttr(0, ParamAttr::NoUnwind);
+ else removeParamAttr(0, ParamAttr::NoUnwind);
+ }
/// @brief Determine if the function returns a structure through first
/// pointer argument.
- bool hasStructRetAttr() const;
+ bool hasStructRetAttr() const {
+ return paramHasAttr(1, ParamAttr::StructRet);
+ }
+
+ /// copyAttributesFrom - copy all additional attributes (those not needed to
+ /// create a Function) from the Function Src to this one.
+ void copyAttributesFrom(const GlobalValue *Src);
/// deleteBody - This method deletes the body of the function, and converts
/// the linkage to external.