mirror of git://gcc.gnu.org/git/gcc.git
735b8f9fc4
Set nonnull attribute to ptr_info_def based on VRP gcc/ChangeLog: 2016-10-18 Kugan Vivekanandarajah <kuganv@linaro.org> * tree-ssa-alias.h (pt_solution_singleton_or_null_p): Renamed from pt_solution_singleton_p. * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Use renamed pt_solution_singleton_or_null_p from pt_solution_singleton_p. * tree-ssa-structalias.c (find_what_p_points_to): Preserve pointer nonnull computed by VRP. Also Conservatively set pt.null to 1. (pt_solution_reset): Conservatively set pt.null to 1. (pt_solution_singleton_or_null_p): Renamed from pt_solution_singleton_p. * tree-ssanames.h (set_ptr_nonnull): Declare. (get_ptr_nonnull): Likewise. * tree-ssanames.c (set_ptr_nonnull): New. (get_ptr_nonnull): Likewise. * tree-vrp.c (vrp_finalize): Set ptr that are nonnull. (evrp_dom_walker::before_dom_children): Likewise. gcc/testsuite/ChangeLog: 2016-10-18 Kugan Vivekanandarajah <kuganv@linaro.org> * gcc.dg/torture/pr39074-2.c: Adjust testcase. * gcc.dg/torture/pr39074.c: Likewise. From-SVN: r241287 |
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