#include "llvm/BasicBlock.h"
#include "llvm/Argument.h"
#include "llvm/Support/Annotation.h"
+#include "llvm/ParameterAttributes.h"
namespace llvm {
class FunctionType;
-class ParamAttrsList;
// Traits for intrusive list of instructions...
template<> struct ilist_traits<BasicBlock>
BasicBlockListType BasicBlocks; ///< The basic blocks
mutable ArgumentListType ArgumentList; ///< The formal arguments
ValueSymbolTable *SymTab; ///< Symbol table of args/instructions
- const ParamAttrsList *ParamAttrs; ///< Parameter attributes
+ PAListPtr ParamAttrs; ///< Parameter attributes
// The Calling Convention is stored in Value::SubclassData.
/*unsigned CallingConvention;*/
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);
}
- /// Obtains a constant pointer to the ParamAttrsList object which holds the
- /// parameter attributes information, if any.
- /// @returns 0 if no parameter attributes have been set.
- /// @brief Get the parameter attributes.
- const ParamAttrsList *getParamAttrs() const { return ParamAttrs; }
+ /// getParamAttrs - Return the parameter attributes for this Function.
+ ///
+ const PAListPtr &getParamAttrs() const { return ParamAttrs; }
- /// Sets the parameter attributes for this Function. To construct a
- /// ParamAttrsList, see ParameterAttributes.h
- /// @brief Set the parameter attributes.
- void setParamAttrs(const ParamAttrsList *attrs);
+ /// setParamAttrs - Set the parameter attributes for this Function.
+ ///
+ void setParamAttrs(const PAListPtr &attrs) { ParamAttrs = attrs; }
/// hasCollector/getCollector/setCollector/clearCollector - The name of the
/// garbage collection algorithm to use during code generation.
void clearCollector();
/// @brief Determine whether the function has the given attribute.
- bool paramHasAttr(uint16_t i, unsigned attr) const;
+ bool paramHasAttr(unsigned i, ParameterAttributes attr) const {
+ return ParamAttrs.paramHasAttr(i, attr);
+ }
+ /// @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 cannot return.
- bool doesNotReturn() const;
+ bool doesNotReturn() const { return paramHasAttr(0, ParamAttr::NoReturn); }
/// @brief Determine if the function cannot unwind.
- bool doesNotThrow() const;
+ bool doesNotThrow() const {
+ return paramHasAttr(0, ParamAttr::NoUnwind);
+ }
/// @brief Determine if the function does not access memory.
- bool doesNotAccessMemory() const;
+ bool doesNotAccessMemory() const {
+ return paramHasAttr(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);
+ }
- /// @brief Determine if the function returns a structure.
- bool isStructReturn() const;
+ /// @brief Determine if the function returns a structure through first
+ /// pointer argument.
+ bool hasStructRetAttr() const {
+ return paramHasAttr(1, ParamAttr::StructRet);
+ }
/// deleteBody - This method deletes the body of the function, and converts
/// the linkage to external.