[Bug middle-end/54146] Very slow compile with attribute((flatten))

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54146

--- Comment #52 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-08-16 14:27:59 UTC ---
Author: rguenth
Date: Thu Aug 16 14:27:51 2012
New Revision: 190445

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190445
Log:
2012-08-16  Richard Guenther  <rguenther@suse.de>

    PR middle-end/54146
    * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
    exit vector.
    * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
    * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
    * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
    * tree-into-ssa.c (get_ssa_name_ann): Allocate info only when
    needed.
    * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
    (tree_ssa_lim_finalize): Free all mem_refs.
    * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
    scc when bailing out.
    * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
    * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
    * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
    FOR_EACH_LOOP_BREAK.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgloop.h
    trunk/gcc/graphite-sese-to-poly.c
    trunk/gcc/ipa-pure-const.c
    trunk/gcc/ira-build.c
    trunk/gcc/modulo-sched.c
    trunk/gcc/tree-into-ssa.c
    trunk/gcc/tree-ssa-loop-im.c
    trunk/gcc/tree-ssa-loop-niter.c
    trunk/gcc/tree-ssa-sccvn.c
    trunk/gcc/tree-ssa-structalias.c