https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83126
--- Comment #9 from Tom de Vries <vries at gcc dot gnu.org> --- (In reply to Tom de Vries from comment #8) > Created attachment 43476 [details] > Tentative patch > > (In reply to rguent...@suse.de from comment #3) > > > This is the usual "you should not repeat analysis during transform" issue. > > The vectorizer gets around this by caching relevant scalar evolution > > but obviously that's difficult if using generic stuff like > > canonicalize_loop_ivs ... > > This patch caches affine_iv info before calling loop_version, and then uses > that cached info in canonicalize_loop_ivs. This fixes the ICE. Bootstrap and reg-test on x86_64 succeeded. Richard, is this approach ok for stage1 and/or stage4?
