1add_subdirectory(Utils) 2add_subdirectory(Instrumentation) 3add_subdirectory(AggressiveInstCombine) 4add_subdirectory(InstCombine) 5add_subdirectory(Scalar) 6add_subdirectory(IPO) 7add_subdirectory(Vectorize) 8add_subdirectory(Hello) 9add_subdirectory(HelloNew) 10add_subdirectory(ObjCARC) 11add_subdirectory(Coroutines) 12add_subdirectory(CFGuard) 13