http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50262

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Nov 15 14:48:22 2013
New Revision: 204845

URL: http://gcc.gnu.org/viewcvs?rev=204845&root=gcc&view=rev
Log:
2013-11-15  Richard Biener  <rguent...@suse.de>

    PR tree-optimization/50262
    * tree-ssa-alias.h (struct pt_solution): Split
    vars_contains_global into vars_contains_nonlocal,
    vars_contains_escaped and vars_contains_escaped_heap.
    * tree-ssa-structalias.c (label_visit): Expand comment.
    (handle_lhs_call): Adjust comment.
    (set_uids_in_ptset): Set the new flags appropriately.
    (pt_solution_set): Adjust.
    (pt_solution_set_var): Likewise.
    (pt_solution_ior_into): Likewise.
    (pt_solution_includes_global): Likewise.
    (pt_solutions_intersect_1): Optimize escaped handling.
    (compute_points_to_sets): Remove heap variable globalization.
    (ipa_escaped_pt): Adjust initializer.
    (pass_data_ipa_pta): Do not run TODO_update_ssa.
    * gimple-pretty-print.c (pp_points_to_solution): Print split
    flags.
    * tree-ssa-alias.c (dump_points_to_solution): Likewise.

    * gcc.dg/tree-ssa/alias-28.c: New testcase.
    * gcc.dg/strlenopt-1.c: Adjust.
    * gcc.dg/strlenopt-1f.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/alias-28.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-pretty-print.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/strlenopt-1.c
    trunk/gcc/testsuite/gcc.dg/strlenopt-1f.c
    trunk/gcc/tree-ssa-alias.c
    trunk/gcc/tree-ssa-alias.h
    trunk/gcc/tree-ssa-structalias.c

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