https://gcc.gnu.org/bugzilla/show_bug.cgi?id=4210
Eric Gallager <egallager at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |egallager at gcc dot gnu.org --- Comment #40 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to Manuel López-Ibáñez from comment #39) > I think these questions are more appropriate for the mailing list, since > few people are subscribed to this bug. There were more previously, but a lot of people got dropped from cc lists all throughout bugzilla in the process of transferring servers... I was on this one previously, for example, but now I'm having to re-subscribe... > > You can easily find which pass does something by dumping (-ftree-dump-*) > all of them and comparing them. > > On Wed, 6 May 2020, 09:11 nisse at lysator dot liu.se, < > gcc-bugzi...@gcc.gnu.org> wrote: > > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=4210 > > > > --- Comment #38 from Niels Möller <nisse at lysator dot liu.se> --- > > Just a brief update. > > > > 1. Tried adding fprintf warnings to c_gimplify_expr (btw, what's the right > > way > > to display a pretty warning with line numbers etc in later passes?). But it > > seems that's too early, I still get warnings for dead code. > > > > 2. The pass_remove_useless_stmts, mentioned in the docs, was deleted in > > 2009 > > (see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41573), and I take it > > it was > > obsoleted earlier, since there's no mention of a replacement. So what pass > > should I look at that is related to basic control flow analysis, and > > discarding > > unreachable statements? > > > > -- > > You are receiving this mail because: > > You are on the CC list for the bug.