[Bug c/51015] [4.7 Regression] ice in vect_determine_vectorization_factor with -O3

[irar at il dot ibm.com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51015

Ira Rosen <irar at il dot ibm.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |irar at il dot ibm.com
         AssignedTo|unassigned at gcc dot       |irar at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #2 from Ira Rosen <irar at il dot ibm.com> 2011-11-08 10:22:53 UTC ---
Some of the patterns added lately use pattern def stmt and set its vectype,
hence the assert should be updated:

Index: tree-vect-loop.c
===================================================================
--- tree-vect-loop.c    (revision 181150)
+++ tree-vect-loop.c    (working copy)
@@ -345,7 +345,8 @@ vect_determine_vectorization_factor (loo
                 that contain a dataref, or for "pattern-stmts" (stmts
generated
                 by the vectorizer to represent/replace a certain idiom).  */
              gcc_assert (STMT_VINFO_DATA_REF (stmt_info)
-                         || is_pattern_stmt_p (stmt_info));
+                         || is_pattern_stmt_p (stmt_info)
+                         || pattern_def);
              vectype = STMT_VINFO_VECTYPE (stmt_info);
            }
          else