2014-11-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/55334
* function.h (struct function): Add last_clique member.
* tree-inline.c (remap_dependence_clique): New function.
(remap_gimple_op_r): Remap dependence cliques in MEM_REFs.
(copy_tree_body_r): Likewise.
(copy_cfg_body): Free dependence map.
(copy_gimple_seq_and_replace_locals): Likewise.
* tree-pretty-print.c (dump_generic_node): Dump
dependence info.
* tree-ssa-alias.c (refs_may_alias_p_1): Use dependence info
to answer alias query.
* tree-ssa-structalias.c: Include tree-phinodes.h, ssa-iterators.h,
tree-pretty-print.h and gimple-walk.h.
(struct variable_info): Add is_restrict_var flag and ruid
member.
(new_var_info): Initialize is_restrict_var.
(make_constraint_from_restrict): Likewise.
(create_variable_info_for): Exclude restricts from global vars
from new handling.
(intra_create_variable_infos): But not those from parameters.
(visit_loadstore): New function.
(maybe_set_dependence_info): Likewise.
(compute_dependence_clique): Likewise.
(compute_may_aliases): Call compute_dependence_clique.
* tree-data-ref.c (dr_analyze_indices): Copy dependence info
to fake MEM_REF.
(dr_may_alias_p): Use recorded dependence info to answer
alias query.
* tree-core.h (struct tree_base): Add clique, base struct in
union.
* tree.h (MR_DEPENDENCE_CLIQUE): New macro.
(MR_DEPENDENCE_BASE): Likewise.
* tree-inline.h (dependence_hasher): New hash-map kind.
(struct copy_body_data): Add dependence_map pointer.
* gimple-fold.c (maybe_canonicalize_mem_ref_addr): Avoid
throwing away dependence info.
* tree-streamer-in.c (unpack_value_fields): Stream dependence info.
* tree-streamer-out.c (streamer_pack_tree_bitfields): Likewise.
* gcc.dg/tree-ssa/restrict-5.c: New testcase.
From-SVN: r218004
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