1. In a computing environment comprising a runtime compilation, a method of compiling functions, the method comprising: determining that a function of an application has been called; using a control flow graph, determining one or more postdominance relationships between the called function and one or more other functions in that the one or more other functions post dominate the function of the application; and assigning the one or more other functions to be pre-compiled based on the one or more other functions post dominating the called function of the application.