[Bug middle-end/65946] Simple loop with if-statement not vectorized

[alalaw01 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65946

alalaw01 at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2015-04-30
           Assignee|unassigned at gcc dot gnu.org      |alalaw01 at gcc dot 
gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from alalaw01 at gcc dot gnu.org ---
Discussion here: https://gcc.gnu.org/ml/gcc/2015-04/msg00351.html

Suggestion is to use loop-header-copying to rotate the loop to a form that both
if-conversion and the vectorizer can handle.