+/// hasReturnedAttr - Return true if this argument has the returned attribute on
+/// it in its containing function.
+bool Argument::hasReturnedAttr() const {
+ return getParent()->getAttributes().
+ hasAttribute(getArgNo()+1, Attribute::Returned);
+}
+
+/// Return true if this argument has the readonly or readnone attribute on it
+/// in its containing function.
+bool Argument::onlyReadsMemory() const {
+ return getParent()->getAttributes().
+ hasAttribute(getArgNo()+1, Attribute::ReadOnly) ||
+ getParent()->getAttributes().
+ hasAttribute(getArgNo()+1, Attribute::ReadNone);
+}
+
+/// addAttr - Add attributes to an argument.
+void Argument::addAttr(AttributeSet AS) {
+ assert(AS.getNumSlots() <= 1 &&
+ "Trying to add more than one attribute set to an argument!");
+ AttrBuilder B(AS, AS.getSlotIndex(0));