Hi Jakub, On Fri, Sep 16, 2016 at 12:50:44AM +0200, Jakub Jelinek wrote: > As mentioned in the PR, combiner sometimes calls > purge_all_dead_edges or purge_dead_edges that can invalidate the dominator > info if it is computed. Other passes like CSE in that case free the > dominance info, this patch does the same in the combiner. > > Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
Okay, but does it need the same for the post-dominators? Oh, those never exist longer than a single pass? Thanks, Segher