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.

testsuite/
	* gcc.dg/pr33092.c: New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131717 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 24 insertions, 0 deletions

diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index 13ec95b9e9d..7ab2f6b5473 100644
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -4252,3 +4252,27 @@ struct tree_opt_pass pass_reset_cc_flags =
   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 */
+};