search for: presicion

Hi, In my pass, I want to use the alias-analysis info provided by "GlobalsModRef". How should I use "getModRefBehavior(...)"-method and "alias(...)", in order to get the best presicion? More precisely, how can I find the required arguments, particularly "PointerAccessInfo", for this methods. And is it a good idea to use "GlobalsModRef" in the "doInitialization" of a function-pass? Or it should be at best be used in a "runonModule" of a mo...