X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FFunction.h;h=7a58e8be610b2375f4d987e90ddd95d7bc0a3fb9;hb=b1290a6cc40f7caa0351450ce7021a0d48b5f2c0;hp=28c301fe2f6f62dfd0cc9268b76abff510fd1673;hpb=92432a8db1266f7932bce13a7e6354b0993838d3;p=oota-llvm.git diff --git a/include/llvm/Function.h b/include/llvm/Function.h index 28c301fe2f6..7a58e8be610 100644 --- a/include/llvm/Function.h +++ b/include/llvm/Function.h @@ -22,7 +22,7 @@ #include "llvm/BasicBlock.h" #include "llvm/Argument.h" #include "llvm/Support/Annotation.h" -#include "llvm/ParameterAttributes.h" +#include "llvm/Attributes.h" namespace llvm { @@ -51,7 +51,8 @@ template<> struct ilist_traits static int getListOffset(); }; -class Function : public GlobalValue, public Annotable { +class Function : public GlobalValue, public Annotable, + public ilist_node { public: typedef iplist ArgumentListType; typedef iplist BasicBlockListType; @@ -68,26 +69,14 @@ private: 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; 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 @@ -151,56 +140,97 @@ public: 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. /// @@ -212,12 +242,12 @@ public: /// 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 @@ -285,10 +315,6 @@ public: 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