X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FFunction.h;h=689d0e620dc0a3f8e1fcfc353bdb93dc9cd2cf05;hb=4f80178a104f03929e7e7ec782971830cf4cca01;hp=2ec38e1d007306e835910544998e7d613fc441c1;hpb=98fd7f6b2f109e16abf3e4279c971f8d3703b8a6;p=oota-llvm.git diff --git a/include/llvm/Function.h b/include/llvm/Function.h index 2ec38e1d007..689d0e620dc 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 @@ -151,77 +140,117 @@ public: SubclassData = (SubclassData & 1) | (CC << 1); } - /// getParamAttrs - Return the parameter attributes for this Function. + /// getAttributes - Return the attribute list for this Function. /// - const PAListPtr &getParamAttrs() const { return ParamAttrs; } + const AttrListPtr &getAttributes() const { return AttributeList; } - /// setParamAttrs - Set the parameter attributes for this Function. + /// setAttributes - Set the attribute list for this Function. /// - void setParamAttrs(const PAListPtr &attrs) { ParamAttrs = attrs; } + 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); + } - /// 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(); + /// addFnAttr - Add function attributes to this function. + /// + void addFnAttr(Attributes N) { + // Function Attributes are stored at ~0 index + addAttribute(~0U, N); + } + + /// removeFnAttr - Remove function attributes from this function. + /// + void removeFnAttr(Attributes N) { + // Function Attributes are stored at ~0 index + removeAttribute(~0U, N); + } + + /// 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); } - /// addParamAttr - adds the attribute to the list of attributes. - void addParamAttr(unsigned i, ParameterAttributes attr); + /// addAttribute - adds the attribute to the list of attributes. + void addAttribute(unsigned i, Attributes attr); - /// removeParamAttr - removes the attribute from the list of attributes. - void removeParamAttr(unsigned i, ParameterAttributes 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); + return AttributeList.getParamAlignment(i); } /// @brief Determine if the function does not access memory. bool doesNotAccessMemory() const { - return paramHasAttr(0, ParamAttr::ReadNone); + return hasFnAttr(Attribute::ReadNone); } void setDoesNotAccessMemory(bool DoesNotAccessMemory = true) { - if (DoesNotAccessMemory) addParamAttr(0, ParamAttr::ReadNone); - else removeParamAttr(0, ParamAttr::ReadNone); + if (DoesNotAccessMemory) addFnAttr(Attribute::ReadNone); + else removeFnAttr(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() || hasFnAttr(Attribute::ReadOnly); } void setOnlyReadsMemory(bool OnlyReadsMemory = true) { - if (OnlyReadsMemory) addParamAttr(0, ParamAttr::ReadOnly); - else removeParamAttr(0, ParamAttr::ReadOnly | ParamAttr::ReadNone); + if (OnlyReadsMemory) addFnAttr(Attribute::ReadOnly); + else removeFnAttr(Attribute::ReadOnly | Attribute::ReadNone); } /// @brief Determine if the function cannot return. bool doesNotReturn() const { - return paramHasAttr(0, ParamAttr::NoReturn); + return hasFnAttr(Attribute::NoReturn); } void setDoesNotReturn(bool DoesNotReturn = true) { - if (DoesNotReturn) addParamAttr(0, ParamAttr::NoReturn); - else removeParamAttr(0, ParamAttr::NoReturn); + if (DoesNotReturn) addFnAttr(Attribute::NoReturn); + else removeFnAttr(Attribute::NoReturn); } /// @brief Determine if the function cannot unwind. bool doesNotThrow() const { - return paramHasAttr(0, ParamAttr::NoUnwind); + return hasFnAttr(Attribute::NoUnwind); } void setDoesNotThrow(bool DoesNotThrow = true) { - if (DoesNotThrow) addParamAttr(0, ParamAttr::NoUnwind); - else removeParamAttr(0, ParamAttr::NoUnwind); + if (DoesNotThrow) addFnAttr(Attribute::NoUnwind); + else removeFnAttr(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); + } + + /// @brief Determine if the parameter does not alias other parameters. + /// @param n The parameter to check. 1 is the first parameter, 0 is the return + bool doesNotAlias(unsigned n) const { + return paramHasAttr(n, Attribute::NoAlias); + } + void setDoesNotAlias(unsigned n, bool DoesNotAlias = true) { + if (DoesNotAlias) addAttribute(n, Attribute::NoAlias); + else removeAttribute(n, Attribute::NoAlias); + } + + /// @brief Determine if the parameter can be captured. + /// @param n The parameter to check. 1 is the first parameter, 0 is the return + bool doesNotCapture(unsigned n) const { + return paramHasAttr(n, Attribute::NoCapture); + } + void setDoesNotCapture(unsigned n, bool DoesNotCapture = true) { + if (DoesNotCapture) addAttribute(n, Attribute::NoCapture); + else removeAttribute(n, Attribute::NoCapture); } /// copyAttributesFrom - copy all additional attributes (those not needed to @@ -239,12 +268,12 @@ 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 @@ -312,10 +341,6 @@ 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