+2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR middle-end/33092
+ * tree-pass.h (pass_build_alias): New pass.
+ * tree-ssa-alias.c (gate_build_alias): New.
+ (pass_build_alias): New.
+ * passes.c (init_optimization_passes): Add pass_build_alias after
+ pass_create_structure_vars.
+
2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
* config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
{
struct tree_opt_pass **p = &pass_all_optimizations.sub;
NEXT_PASS (pass_create_structure_vars);
+ /* ??? pass_build_alias is a dummy pass that ensures that we
+ execute TODO_rebuild_alias at this point even if
+ pass_create_structure_vars was disabled. */
+ NEXT_PASS (pass_build_alias);
NEXT_PASS (pass_return_slot);
NEXT_PASS (pass_rename_ssa_copies);
+2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR middle-end/33092
+ * gcc.dg/pr33092.c: New.
+
2008-01-22 Andreas Krebbel <krebbel1@de.ibm.com>
* gcc.target/s390/20020926-1.c: Add -m31 option.
extern struct tree_opt_pass pass_phi_only_cprop;
extern struct tree_opt_pass pass_build_ssa;
extern struct tree_opt_pass pass_del_ssa;
+extern struct tree_opt_pass pass_build_alias;
extern struct tree_opt_pass pass_dominator;
extern struct tree_opt_pass pass_dce;
extern struct tree_opt_pass pass_dce_loop;
0, /* todo_flags_finish */
0 /* letter */
};
+
+static bool
+gate_build_alias (void)
+{
+ return !gate_structure_vars();
+}
+
+
+struct tree_opt_pass pass_build_alias =
+{
+ "build_alias", /* name */
+ gate_build_alias, /* gate */
+ NULL, /* execute */
+ NULL, /* sub */
+ NULL, /* next */
+ 0, /* static_pass_number */
+ 0, /* tv_id */
+ PROP_cfg | PROP_ssa, /* properties_required */
+ PROP_alias, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ TODO_rebuild_alias, /* todo_flags_finish */
+ 0 /* letter */
+};