[Bug tree-optimization/55334] [4.8 Regression] mgrid regression (ipa-cp disables vectorization)

[hubicka at ucw dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55334

--- Comment #22 from Jan Hubicka <hubicka at ucw dot cz> 2012-12-21 14:22:28 UTC ---
> There would be if we had ADD_RESTRICT or something similar.  But we don't right
> now, so supposedly it would be better to avoid such IPA-CP changes if it
> removes restrict for now.
We would also have to disable inlining of functions with restrict parameters
(in mgrid case now both ipa-cp and inliner makes the regressions).  I am not
quite sure it is desirable behaviour.

Honza