[Bug tree-optimization/60340] ICE on valid code with -fcheck-data-deps at -O1 and above on x86_64-linux-gnu

["spop at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60340

--- Comment #2 from Sebastian Pop <spop at gcc dot gnu.org> ---
Author: spop
Date: Sat Jul 18 01:11:05 2015
New Revision: 225979

URL: https://gcc.gnu.org/viewcvs?rev=225979&root=gcc&view=rev
Log:
fix pr46851 and pr60340: remove unmaintained omega dependence test

Regstrapped on amd64-linux.

2015-07-18  Sebastian Pop  <s.pop@samsung.com>

        PR middle-end/46851
        PR middle-end/60340
        * Makefile.in: Removed omega.o.
        * common.opt: Remove flag fcheck-data-deps.
        * doc/invoke.texi: Remove documentation for fcheck-data-deps and
        its associated params: omega-max-vars, omega-max-geqs,
        omega-max-eqs, omega-max-wild-cards, omega-hash-table-size,
        omega-max-keys, omega-eliminate-redundant-constraints.
        * doc/loop.texi: Remove all the section on Omega.
        * graphite-blocking.c: Include missing params.h: it used to be
        included through tree-data-ref.h and omega.h.
        * graphite-isl-ast-to-gimple.c: Same.
        * graphite-optimize-isl.c: Same.
        * graphite-sese-to-poly.c: Same.
        * graphite.c: Same.
        * omega.c: Remove.
        * omega.h: Remove.
        * params.def: Removed PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
        PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
        PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS, and
        PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS.
        * passes.def: Remove pass_check_data_deps.
        * tree-data-ref.c (dump_affine_function): Declare DEBUG_FUNCTION.
        (dump_conflict_function): Same.
        (dump_subscript): Same.
        (print_direction_vector): Same.
        (print_dir_vectors): Same.
        (print_lambda_vector): Same.
        (print_dist_vectors): Same.
        (dump_data_dependence_relation): Same.
        (dump_data_dependence_relations): Same.
        (dump_dist_dir_vectors): Same.
        (dump_ddrs): Same.
        (init_omega_eq_with_af): Removed.
        (omega_extract_distance_vectors): Removed.
        (omega_setup_subscript): Removed.
        (init_omega_for_ddr_1): Removed.
        (init_omega_for_ddr): Removed.
        (ddr_consistent_p): Removed.
        (compute_affine_dependence): Do not use omega to check data
        dependences.
        (compute_data_dependences_for_bb): Removed.
        (analyze_all_data_dependences): Removed.
        (tree_check_data_deps): Removed.
        * tree-data-ref.h: Do not include omega.h.
        (compute_data_dependences_for_bb): Removed.
        (tree_check_data_deps): Removed.
        * tree-ssa-loop.c (pass_check_data_deps): Removed.
        (make_pass_check_data_deps): Removed.
        * tree-ssa-phiopt.c: Include params.h.
        * tree-vect-data-refs.c: Same.
        * tree-vect-slp.c: Same.

testsuite/
        * gcc.dg/tree-ssa/pr42327.c: Removed.
        * g++.dg/other/pr35011.C: Removed.

Removed:
    trunk/gcc/omega.c
    trunk/gcc/omega.h
    trunk/gcc/testsuite/g++.dg/other/pr35011.C
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr42327.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/Makefile.in
    trunk/gcc/common.opt
    trunk/gcc/doc/invoke.texi
    trunk/gcc/doc/loop.texi
    trunk/gcc/graphite-blocking.c
    trunk/gcc/graphite-isl-ast-to-gimple.c
    trunk/gcc/graphite-optimize-isl.c
    trunk/gcc/graphite-sese-to-poly.c
    trunk/gcc/graphite.c
    trunk/gcc/params.def
    trunk/gcc/passes.def
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-data-ref.c
    trunk/gcc/tree-data-ref.h
    trunk/gcc/tree-ssa-loop.c
    trunk/gcc/tree-ssa-phiopt.c
    trunk/gcc/tree-vect-data-refs.c
    trunk/gcc/tree-vect-slp.c