http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45967
--- Comment #11 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-03-08 13:31:21 UTC --- Author: rguenth Date: Tue Mar 8 13:31:13 2011 New Revision: 170776 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170776 Log: 2011-03-08 Richard Guenther <rguent...@suse.de> Backport from mainline 2011-02-10 Richard Guenther <rguent...@suse.de> * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8. 2010-10-18 Richard Guenther <rguent...@suse.de> PR tree-optimization/45967 * tree-ssa-structalias.c (type_could_have_pointers): Remove. (could_have_pointers): Likewise. (handle_rhs_call, handle_const_call, handle_pure_call, find_func_aliases, intra_create_variable_infos): Remove calls to them. (struct fieldoff): Add must_have_pointers field. (type_must_have_pointers): New function. (field_must_have_pointers): Likewise. (push_fields_onto_fieldstack): Remove must_have_pointers_p argument. Adjust field merging. (create_function_info_for): May-have-pointers of varinfo is almost always true. (create_variable_info_for_1): Likewise. * gcc.dg/torture/pr45967.c: New testcase. * gcc.dg/torture/pr45967-2.c: Likewise. * gcc.dg/torture/pr45967-3.c: Likewise. * gcc.dg/torture/pr39074-2.c: Adjust. * gcc.dg/torture/pta-escape-1.c: Likewise * gcc.dg/torture/pta-ptrarith-1.c: Likewise * gcc.dg/tree-ssa/pta-callused.c: Likewise * gcc.dg/tree-ssa/pta-escape-1.c: Likewise * gcc.dg/tree-ssa/pta-escape-2.c: Likewise * gcc.dg/tree-ssa/pta-escape-3.c: Likewise * gcc.dg/tree-ssa/ssa-pre-21.c: Likewise 2010-10-12 Richard Guenther <rguent...@suse.de> * tree-ssa-structalias.c (get_constraint_for_1): Constants only point to nonlocal, not anything. Added: branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/torture/pr45967-2.c branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/torture/pr45967-3.c branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/torture/pr45967.c Modified: branches/gcc-4_5-branch/gcc/ChangeLog branches/gcc-4_5-branch/gcc/testsuite/ChangeLog branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/torture/pr39074-2.c branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/torture/pta-escape-1.c branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/torture/pta-ptrarith-1.c branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/tree-ssa/pta-callused.c branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/tree-ssa/pta-escape-1.c branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/tree-ssa/pta-escape-2.c branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/tree-ssa/pta-escape-3.c branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-21.c branches/gcc-4_5-branch/gcc/tree-ssa-structalias.c