On Fri, Jan 15, 2016 at 7:58 AM, Tom de Vries <tom_devr...@mentor.com> wrote: > During scop detection/canonicalize_loop_closed_ssa_form, an exit phi is > introduced in the loop for _24: > ... > <bb 21>: > # _58 = PHI <_24(22)> > ... > Note that _24 is not defined in the loop, but before it. AFAIU the header > comment of canonicalize_loop_closed_ssa_form, this phi is not needed. That > might be the root cause of the bug,
I think that may be the problem, as it is invariant in the loops, so it is considered to be a parameter of the scop. Let me see if we could avoid adding that phi node in the first place.
