private:
/// Sets of analyses required and preserved by a pass
- VectorType Required, RequiredTransitive, Preserved;
+ VectorType Required, RequiredTransitive, Preserved, Used;
bool PreservesAll;
public:
}
///@}
+ ///@{
+ /// Add the specified ID to the set of analyses used by this pass if they are
+ /// available..
+ AnalysisUsage &addUsedIfAvailableID(const void *ID) {
+ Used.push_back(ID);
+ return *this;
+ }
+ AnalysisUsage &addUsedIfAvailableID(char &ID) {
+ Used.push_back(&ID);
+ return *this;
+ }
+ /// Add the specified Pass class to the set of analyses used by this pass.
+ template<class PassClass>
+ AnalysisUsage &addUsedIfAvailable() {
+ Used.push_back(&PassClass::ID);
+ return *this;
+ }
+ ///@}
+
/// Add the Pass with the specified argument string to the set of analyses
/// preserved by this pass. If no such Pass exists, do nothing. This can be
/// useful when a pass is trivially preserved, but may not be linked in. Be
return RequiredTransitive;
}
const VectorType &getPreservedSet() const { return Preserved; }
+ const VectorType &getUsedSet() const { return Used; }
};
//===----------------------------------------------------------------------===//