[Bug middle-end/46555] PHI RTL expansion leads to CSiBE regression

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46555

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2010.11.19 10:55:11
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-19 
10:55:11 UTC ---
Yep.  That's one optimization that was removed (out-of-SSA did that) and
we thought of doing this reverse mergephi optimization as a separate pass
before expansion.