#include "llvm/BasicBlock.h"
#include "llvm/Argument.h"
#include "llvm/Support/Annotation.h"
-#include "llvm/ParameterAttributes.h"
+#include "llvm/Attributes.h"
namespace llvm {
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;
BasicBlockListType BasicBlocks; ///< The basic blocks
mutable ArgumentListType ArgumentList; ///< The formal arguments
ValueSymbolTable *SymTab; ///< Symbol table of args/instructions
- PAListPtr ParamAttrs; ///< Parameter attributes
-
+ AttrListPtr AttributeList; ///< Parameter attributes
+
// The Calling Convention is stored in Value::SubclassData.
/*unsigned CallingConvention;*/
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
SubclassData = (SubclassData & 1) | (CC << 1);
}
- /// getParamAttrs - Return the parameter attributes for this Function.
+ /// getAttributes - Return the parameter attributes for this Function.
///
- const PAListPtr &getParamAttrs() const { return ParamAttrs; }
+ const AttrListPtr &getAttributes() const { return AttributeList; }
+
+ /// setAttributes - Set the parameter attributes for this Function.
+ ///
+ void setAttributes(const AttrListPtr &attrs) { AttributeList = attrs; }
+
+
+ /// hasFnAttr - Return true if this function has the given attribute.
+ bool hasFnAttr(Attributes N) const {
+ // Function Attributes are stored at ~0 index
+ return AttributeList.paramHasAttr(~0U, N);
+ }
- /// setParamAttrs - Set the parameter attributes for this Function.
+ /// addFnAttr - Add function attributes
///
- void setParamAttrs(const PAListPtr &attrs) { ParamAttrs = attrs; }
+ void addFnAttr(const Attributes N) {
+ // Function Attributes are stored at ~0 index
+ addAttribute(~0, N);
+ }
- /// hasCollector/getCollector/setCollector/clearCollector - The name of the
- /// garbage collection algorithm to use during code generation.
- bool hasCollector() const;
- const char *getCollector() const;
- void setCollector(const char *Str);
- void clearCollector();
+ /// hasGC/getGC/setGC/clearGC - The name of the garbage collection algorithm
+ /// to use during code generation.
+ bool hasGC() const;
+ const char *getGC() const;
+ void setGC(const char *Str);
+ void clearGC();
/// @brief Determine whether the function has the given attribute.
- bool paramHasAttr(unsigned i, ParameterAttributes attr) const {
- return ParamAttrs.paramHasAttr(i, attr);
+ bool paramHasAttr(unsigned i, Attributes attr) const {
+ return AttributeList.paramHasAttr(i, attr);
}
+
+ /// addAttribute - adds the attribute to the list of attributes.
+ void addAttribute(unsigned i, Attributes attr);
+ /// removeAttribute - removes the attribute from the list of attributes.
+ void removeAttribute(unsigned i, Attributes 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 { return paramHasAttr(0, ParamAttr::NoReturn); }
- void setDoesNotThrow(bool doesNotThrow = true);
-
- /// @brief Determine if the function cannot unwind.
- bool doesNotThrow() const {
- return paramHasAttr(0, ParamAttr::NoUnwind);
+ return AttributeList.getParamAlignment(i);
}
/// @brief Determine if the function does not access memory.
bool doesNotAccessMemory() const {
- return paramHasAttr(0, ParamAttr::ReadNone);
+ return paramHasAttr(~0, Attribute::ReadNone);
+ }
+ void setDoesNotAccessMemory(bool DoesNotAccessMemory = true) {
+ if (DoesNotAccessMemory) addAttribute(~0, Attribute::ReadNone);
+ else removeAttribute(~0, Attribute::ReadNone);
}
/// @brief Determine if the function 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 function cannot return.
+ 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 function cannot unwind.
+ 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 function returns a structure through first
/// pointer argument.
bool hasStructRetAttr() const {
- return paramHasAttr(1, ParamAttr::StructRet);
+ return paramHasAttr(1, Attribute::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.
///
/// removeFromParent - This method unlinks 'this' from the containing module,
/// but does not delete it.
///
- void removeFromParent();
+ virtual void removeFromParent();
/// eraseFromParent - This method unlinks 'this' from the containing module
/// and deletes it.
///
- void eraseFromParent();
+ virtual void eraseFromParent();
/// Get the underlying elements of the Function... the basic block list is
size_t arg_size() const;
bool arg_empty() const;
- virtual void print(std::ostream &OS) const { print(OS, 0); }
- void print(std::ostream *OS) const { if (OS) print(*OS); }
- void print(std::ostream &OS, AssemblyAnnotationWriter *AAW) const;
-
/// viewCFG - This function is meant for use from the debugger. You can just
/// say 'call F->viewCFG()' and a ghostview window should pop up from the
/// program, displaying the CFG of the current function with the code for each
projects / oota-llvm.git / blobdiff