X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FFunction.h;h=6edc660c9c6dfd54eb8d0f90bed2823d4b4837ba;hb=f3ceaff6395afe9a62db08b483742b0416f63a1a;hp=e17cd87fe3480c67b2efacda07176b445efaa67d;hpb=75c0d8e0d8f4e10587985b950f2c0752e45e099e;p=oota-llvm.git diff --git a/include/llvm/Function.h b/include/llvm/Function.h index e17cd87fe34..6edc660c9c6 100644 --- a/include/llvm/Function.h +++ b/include/llvm/Function.h @@ -18,11 +18,11 @@ #ifndef LLVM_FUNCTION_H #define LLVM_FUNCTION_H -#include "llvm/GlobalValue.h" -#include "llvm/CallingConv.h" -#include "llvm/BasicBlock.h" #include "llvm/Argument.h" #include "llvm/Attributes.h" +#include "llvm/BasicBlock.h" +#include "llvm/CallingConv.h" +#include "llvm/GlobalValue.h" #include "llvm/Support/Compiler.h" namespace llvm { @@ -85,11 +85,11 @@ private: BasicBlockListType BasicBlocks; ///< The basic blocks mutable ArgumentListType ArgumentList; ///< The formal arguments ValueSymbolTable *SymTab; ///< Symbol table of args/instructions - AttrListPtr AttributeList; ///< Parameter attributes + AttributeSet AttributeList; ///< Parameter attributes // HasLazyArguments is stored in Value::SubclassData. /*bool HasLazyArguments;*/ - + // The Calling Convention is stored in Value::SubclassData. /*CallingConv::ID CallingConvention;*/ @@ -109,9 +109,9 @@ private: BuildLazyArguments(); } void BuildLazyArguments() const; - - Function(const Function&); // DO NOT IMPLEMENT - void operator=(const Function&); // DO NOT IMPLEMENT + + Function(const Function&) LLVM_DELETED_FUNCTION; + void operator=(const Function&) LLVM_DELETED_FUNCTION; /// Function ctor - If the (optional) Module argument is specified, the /// function is automatically inserted into the end of the function list for @@ -131,7 +131,7 @@ public: Type *getReturnType() const; // Return the type of the ret val FunctionType *getFunctionType() const; // Return the FunctionType for me - /// getContext - Return a pointer to the LLVMContext associated with this + /// getContext - Return a pointer to the LLVMContext associated with this /// function, or NULL if this function is not bound to a context yet. LLVMContext &getContext() const; @@ -159,32 +159,32 @@ public: setValueSubclassData((getSubclassDataFromValue() & 1) | (static_cast(CC) << 1)); } - + /// getAttributes - Return the attribute list for this Function. /// - const AttrListPtr &getAttributes() const { return AttributeList; } + const AttributeSet &getAttributes() const { return AttributeList; } /// setAttributes - Set the attribute list for this Function. /// - void setAttributes(const AttrListPtr &attrs) { AttributeList = attrs; } + void setAttributes(const AttributeSet &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); + /// getFnAttributes - Return the function attributes for querying. + /// + Attributes getFnAttributes() const { + return AttributeList.getFnAttributes(); } /// addFnAttr - Add function attributes to this function. /// - void addFnAttr(Attributes N) { - // Function Attributes are stored at ~0 index - addAttribute(~0U, N); + void addFnAttr(Attributes::AttrVal N) { + // Function Attributes are stored at ~0 index + addAttribute(AttributeSet::FunctionIndex, Attributes::get(getContext(), N)); } /// removeFnAttr - Remove function attributes from this function. /// void removeFnAttr(Attributes N) { - // Function Attributes are stored at ~0 index + // Function Attributes are stored at ~0 index removeAttribute(~0U, N); } @@ -195,14 +195,20 @@ public: void setGC(const char *Str); void clearGC(); - /// @brief Determine whether the function has the given attribute. - bool paramHasAttr(unsigned i, Attributes attr) const { - return AttributeList.paramHasAttr(i, attr); + + /// getRetAttributes - Return the return attributes for querying. + Attributes getRetAttributes() const { + return AttributeList.getRetAttributes(); + } + + /// getParamAttributes - Return the parameter attributes for querying. + Attributes getParamAttributes(unsigned Idx) const { + return AttributeList.getParamAttributes(Idx); } /// 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); @@ -213,50 +219,44 @@ public: /// @brief Determine if the function does not access memory. bool doesNotAccessMemory() const { - return hasFnAttr(Attribute::ReadNone); + return getFnAttributes().hasAttribute(Attributes::ReadNone); } - void setDoesNotAccessMemory(bool DoesNotAccessMemory = true) { - if (DoesNotAccessMemory) addFnAttr(Attribute::ReadNone); - else removeFnAttr(Attribute::ReadNone); + void setDoesNotAccessMemory() { + addFnAttr(Attributes::ReadNone); } /// @brief Determine if the function does not access or only reads memory. bool onlyReadsMemory() const { - return doesNotAccessMemory() || hasFnAttr(Attribute::ReadOnly); + return doesNotAccessMemory() || + getFnAttributes().hasAttribute(Attributes::ReadOnly); } - void setOnlyReadsMemory(bool OnlyReadsMemory = true) { - if (OnlyReadsMemory) addFnAttr(Attribute::ReadOnly); - else removeFnAttr(Attribute::ReadOnly | Attribute::ReadNone); + void setOnlyReadsMemory() { + addFnAttr(Attributes::ReadOnly); } /// @brief Determine if the function cannot return. bool doesNotReturn() const { - return hasFnAttr(Attribute::NoReturn); + return getFnAttributes().hasAttribute(Attributes::NoReturn); } - void setDoesNotReturn(bool DoesNotReturn = true) { - if (DoesNotReturn) addFnAttr(Attribute::NoReturn); - else removeFnAttr(Attribute::NoReturn); + void setDoesNotReturn() { + addFnAttr(Attributes::NoReturn); } /// @brief Determine if the function cannot unwind. bool doesNotThrow() const { - return hasFnAttr(Attribute::NoUnwind); + return getFnAttributes().hasAttribute(Attributes::NoUnwind); } - void setDoesNotThrow(bool DoesNotThrow = true) { - if (DoesNotThrow) addFnAttr(Attribute::NoUnwind); - else removeFnAttr(Attribute::NoUnwind); + void setDoesNotThrow() { + addFnAttr(Attributes::NoUnwind); } /// @brief True if the ABI mandates (or the user requested) that this /// function be in a unwind table. bool hasUWTable() const { - return hasFnAttr(Attribute::UWTable); + return getFnAttributes().hasAttribute(Attributes::UWTable); } - void setHasUWTable(bool HasUWTable = true) { - if (HasUWTable) - addFnAttr(Attribute::UWTable); - else - removeFnAttr(Attribute::UWTable); + void setHasUWTable() { + addFnAttr(Attributes::UWTable); } /// @brief True if this function needs an unwind table. @@ -264,30 +264,28 @@ public: return hasUWTable() || !doesNotThrow(); } - /// @brief Determine if the function returns a structure through first + /// @brief Determine if the function returns a structure through first /// pointer argument. bool hasStructRetAttr() const { - return paramHasAttr(1, Attribute::StructRet); + return getParamAttributes(1).hasAttribute(Attributes::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); + return getParamAttributes(n).hasAttribute(Attributes::NoAlias); } - void setDoesNotAlias(unsigned n, bool DoesNotAlias = true) { - if (DoesNotAlias) addAttribute(n, Attribute::NoAlias); - else removeAttribute(n, Attribute::NoAlias); + void setDoesNotAlias(unsigned n) { + addAttribute(n, Attributes::get(getContext(), Attributes::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); + return getParamAttributes(n).hasAttribute(Attributes::NoCapture); } - void setDoesNotCapture(unsigned n, bool DoesNotCapture = true) { - if (DoesNotCapture) addAttribute(n, Attribute::NoCapture); - else removeAttribute(n, Attribute::NoCapture); + void setDoesNotCapture(unsigned n) { + addAttribute(n, Attributes::get(getContext(), Attributes::NoCapture)); } /// copyAttributesFrom - copy all additional attributes (those not needed to @@ -400,7 +398,6 @@ public: void viewCFGOnly() const; /// Methods for support type inquiry through isa, cast, and dyn_cast: - static inline bool classof(const Function *) { return true; } static inline bool classof(const Value *V) { return V->getValueID() == Value::FunctionVal; } @@ -420,8 +417,8 @@ public: void dropAllReferences(); /// hasAddressTaken - returns true if there are any uses of this function - /// other than direct calls or invokes to it. Optionally passes back the - /// offending user for diagnostic purposes. + /// other than direct calls or invokes to it, or blockaddress expressions. + /// Optionally passes back an offending user for diagnostic purposes. /// bool hasAddressTaken(const User** = 0) const;