[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
           Keywords|                            |missed-optimization
   Last reconfirmed|                            |2012-03-20
         AssignedTo|unassigned at gcc dot       |pinskia at gcc dot gnu.org
                   |gnu.org                     |
     Ever Confirmed|0                           |1
            Summary|VN does not use simplified  |[4.6/4.7/4.8 Regression] VN
                   |expression for lookup       |does not use simplified
                   |                            |expression for lookup
   Target Milestone|---                         |4.7.1

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-03-20 
06:09:18 UTC ---
I am working on a fix.  Note I did not find this because a performance issue
but rather I found this while working on my gimple SSA combiner/simplifer
patches.