/// addParamAttr - adds the attribute to the list of attributes.
void addParamAttr(unsigned i, ParameterAttributes attr);
+ /// removeParamAttr - removes the attribute from the list of attributes.
+ void removeParamAttr(unsigned i, ParameterAttributes 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);
- }
-
/// @brief Determine if the function does not access memory.
bool doesNotAccessMemory() const {
return paramHasAttr(0, ParamAttr::ReadNone);
}
+ void setDoesNotAccessMemory(bool DoesNotAccessMemory = true) {
+ if (DoesNotAccessMemory) addParamAttr(0, ParamAttr::ReadNone);
+ else removeParamAttr(0, ParamAttr::ReadNone);
+ }
/// @brief Determine if the function does not access or only reads memory.
bool onlyReadsMemory() const {
return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
}
+ void setOnlyReadsMemory(bool OnlyReadsMemory = true) {
+ if (OnlyReadsMemory) addParamAttr(0, ParamAttr::ReadOnly);
+ else removeParamAttr(0, ParamAttr::ReadOnly | ParamAttr::ReadNone);
+ }
+
+ /// @brief Determine if the function cannot return.
+ bool doesNotReturn() const {
+ return paramHasAttr(0, ParamAttr::NoReturn);
+ }
+ void setDoesNotReturn(bool DoesNotReturn = true) {
+ if (DoesNotReturn) addParamAttr(0, ParamAttr::NoReturn);
+ else removeParamAttr(0, ParamAttr::NoReturn);
+ }
+
+ /// @brief Determine if the function cannot unwind.
+ bool doesNotThrow() const {
+ return paramHasAttr(0, ParamAttr::NoUnwind);
+ }
+ void setDoesNotThrow(bool DoesNotThrow = true) {
+ if (DoesNotThrow) addParamAttr(0, ParamAttr::NoUnwind);
+ else removeParamAttr(0, ParamAttr::NoUnwind);
+ }
/// @brief Determine if the function returns a structure through first
/// pointer argument.
return paramHasAttr(1, ParamAttr::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.
///