BasicBlockListType BasicBlocks; ///< The basic blocks
mutable ArgumentListType ArgumentList; ///< The formal arguments
ValueSymbolTable *SymTab; ///< Symbol table of args/instructions
- AttrListPtr AttributeList; ///< Parameter attributes
+ AttrListPtr AttributeList; ///< Parameter attributes
// The Calling Convention is stored in Value::SubclassData.
/*unsigned CallingConvention;*/
SubclassData = (SubclassData & 1) | (CC << 1);
}
- /// getAttributes - Return the parameter attributes for this Function.
+ /// getAttributes - Return the attribute list for this Function.
///
const AttrListPtr &getAttributes() const { return AttributeList; }
- /// setAttributes - Set the parameter attributes for this Function.
+ /// setAttributes - Set the attribute list 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);
}
- /// addFnAttr - Add function attributes
+ /// 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 addFnAttr(const Attributes N) {
+ void removeFnAttr(Attributes N) {
// Function Attributes are stored at ~0 index
- addAttribute(~0, N);
+ removeAttribute(~0U, N);
}
/// hasGC/getGC/setGC/clearGC - The name of the garbage collection algorithm
/// @brief Determine if the function does not access memory.
bool doesNotAccessMemory() const {
- return paramHasAttr(~0, Attribute::ReadNone);
+ return hasFnAttr(Attribute::ReadNone);
}
void setDoesNotAccessMemory(bool DoesNotAccessMemory = true) {
- if (DoesNotAccessMemory) addAttribute(~0, Attribute::ReadNone);
- else removeAttribute(~0, Attribute::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, Attribute::ReadOnly);
+ return doesNotAccessMemory() || hasFnAttr(Attribute::ReadOnly);
}
void setOnlyReadsMemory(bool OnlyReadsMemory = true) {
- if (OnlyReadsMemory) addAttribute(~0, Attribute::ReadOnly);
- else removeAttribute(~0, Attribute::ReadOnly | Attribute::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, Attribute::NoReturn);
+ return hasFnAttr(Attribute::NoReturn);
}
void setDoesNotReturn(bool DoesNotReturn = true) {
- if (DoesNotReturn) addAttribute(~0, Attribute::NoReturn);
- else removeAttribute(~0, Attribute::NoReturn);
+ if (DoesNotReturn) addFnAttr(Attribute::NoReturn);
+ else removeFnAttr(Attribute::NoReturn);
}
/// @brief Determine if the function cannot unwind.
bool doesNotThrow() const {
- return paramHasAttr(~0, Attribute::NoUnwind);
+ return hasFnAttr(Attribute::NoUnwind);
}
void setDoesNotThrow(bool DoesNotThrow = true) {
- if (DoesNotThrow) addAttribute(~0, Attribute::NoUnwind);
- else removeAttribute(~0, Attribute::NoUnwind);
+ if (DoesNotThrow) addFnAttr(Attribute::NoUnwind);
+ else removeFnAttr(Attribute::NoUnwind);
}
/// @brief Determine if the function returns a structure through first
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
/// create a Function) from the Function Src to this one.
void copyAttributesFrom(const GlobalValue *Src);