[Bug middle-end/40979] induct benchmark 60% slower when compiled with -fgraphite-identity

[spop at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40979

--- Comment #22 from Sebastian Pop <spop at gcc dot gnu.org> 2011-02-02 15:52:26 UTC ---
Author: spop
Date: Wed Feb  2 15:52:21 2011
New Revision: 169531

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169531
Log:
Fix PR40979 and PR47044: after LIM call copy_prop and DCE to clean up.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
        Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/40979
    PR bootstrap/47044
    * passes.c (init_optimization_passes): After LIM call copy_prop
    and DCE to clean up.
    * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.

    * gcc.dg/graphite/graphite.exp (DEFAULT_VECTCFLAGS): Add -ffast-math.
    * gcc.dg/graphite/pr35356-2.c: Adjust pattern.
    * gfortran.dg/graphite/graphite.exp: Run vect_files conditionally to
    check_vect_support_and_set_flags.
    * gfortran.dg/graphite/vect-pr40979.f90: New.

Added:
    trunk/gcc/testsuite/gfortran.dg/graphite/vect-pr40979.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/passes.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/graphite/graphite.exp
    trunk/gcc/testsuite/gcc.dg/graphite/pr35356-2.c
    trunk/gcc/testsuite/gfortran.dg/graphite/graphite.exp
    trunk/gcc/tree-ssa-loop.c