[Bug tree-optimization/49199] [4.7 Regression] ICE: in vect_create_epilog_for_reduction at tree-vect-loop.c:3445 with -O -fno-tree-scev-cprop -ftree-vectorize -funswitch-loops

[irar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49199

--- Comment #3 from irar at gcc dot gnu.org 2011-05-30 07:15:35 UTC ---
Author: irar
Date: Mon May 30 07:15:31 2011
New Revision: 174425

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174425
Log:

        PR tree-optimization/49199
        * tree-vect-loop.c (vect_is_slp_reduction): Check that the 
        non-reduction operands are either defined in the loop or
        by induction.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/no-scevccp-pr49199.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/vect/vect.exp
    trunk/gcc/tree-vect-loop.c