http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45890
--- Comment #7 from rguenther at suse dot de <rguenther at suse dot de> 2011-10-04 10:18:18 UTC --- On Tue, 4 Oct 2011, hubicka at ucw dot cz wrote: > 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. Yeah, I suppose you are right.