On Thu, Jun 14, 2012 at 6:38 PM, Easwaran Raman <era...@google.com> wrote: > The conditional dead call elimination pass shrink wraps certain dead > calls to math functions. It doesn't handle case like this: > > D.142420_139 = powD.549 (D.142421_138, D.142419_132); > fooD.120935.barD.113815 = D.142420_139; > # foo.bar is dead here. > > This code gets cleaned up by DCE and leaves only pow, which can then > be shrink-wrapped by cdce. So it seems reasonable to do this > reordering. Bootstraps on x86_64 on linux with no test regression. OK > for trunk? > > - Easwaran > > ---------------------- > > 2012-06-14 Easwaran Raman <era...@google.com> > > * gcc/passes.c (init_optimization_passes): Remove pass_call_cdce > from its current position and insert after pass_dce. >
This caused: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53710 It may expose a latent bug. -- H.J.
