return dynamic_cast<AnalysisType*>(Resolver->getAnalysisToUpdate(PI));
}
-protected:
-
/// getAnalysis<AnalysisType>() - This function is used by subclasses to get
/// to the analysis information that they claim to use by overriding the
/// getAnalysisUsage function.
/// "basic" versions of AnalysisGroups.
///
struct ImmutablePass : public Pass {
+ /// initializePass - This method may be overriden by immutable passes to allow
+ /// them to perform various initialization actions they require. This is
+ /// primarily because an ImmutablePass can "require" another ImmutablePass,
+ /// and if it does, the overloaded version of initializePass may get access to
+ /// these passes with getAnalysis<>.
+ ///
+ virtual void initializePass() {}
- // ImmutablePasses are never run.
+ /// ImmutablePasses are never run.
+ ///
virtual bool run(Module &M) { return false; }
private: