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r144292 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Thu, 19 Feb 2009 10:12:26 -0000
- Subject: r144292 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: rguenth
Date: Thu Feb 19 10:12:25 2009
New Revision: 144292
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=144292
Log:
2009-02-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39207
PR tree-optimization/39074
* tree-ssa-structalias.c (storedanything_id, var_storedanything,
storedanything_tree): New.
(do_ds_constraint): Simplify ANYTHING shortcutting. Update
the STOREDANYTHING solution if the lhs solution contains
ANYTHING.
(build_succ_graph): Add edges from STOREDANYTHING to all
non-direct nodes.
(init_base_vars): Initialize STOREDANYTHING.
(compute_points_to_sets): Free substitution info after
building the succ graph.
(ipa_pta_execute): Likewise.
* gcc.dg/torture/pr39074.c: New testcase.
* gcc.dg/torture/pr39074-2.c: Likewise.
* gcc.dg/torture/pr39074-3.c: Likewise.
* tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
field.
(do_ds_constraint): Do not add to special var or non-pointer
field solutions.
(type_could_have_pointers): Split out from ...
(could_have_pointers): ... here. For arrays use the element type.
(create_variable_info_for): Initialize may_have_pointers.
(new_var_info): Likewise.
(handle_lhs_call): Make the HEAP variable unknown-sized.
(intra_create_variable_infos): Use a type with pointers for
PARM_NOALIAS, make it unknown-sized.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr39074-2.c
trunk/gcc/testsuite/gcc.dg/torture/pr39074-3.c
trunk/gcc/testsuite/gcc.dg/torture/pr39074.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-structalias.c