http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45890
--- Comment #6 from Jan Hubicka <hubicka at ucw dot cz> 2011-10-04 10:04:37 UTC --- > Where do we do it right now? At profile instrumentation stage, right? > I'd say if we don't need SSA form we should do coverage instrumentation > right after CFG construction, no? Before into-SSA we already have > stuff like OMP lowering. But yes, just after into-SSA would be > an improvement. We could also re-instantiate the former profiling pass before SSA for coverage, but it seems to me that there is no real reason to destroy line info before we get into-SSA and things will be a bit smoother if we do instrumentation at SSA form only. But I don't really have any strong opinions here.
