tree-ssa-structalias.c (set_uids_in_ptset): Use the pointed-to type for TBAA pruning.

2007-11-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (set_uids_in_ptset): Use the pointed-to
	type for TBAA pruning.
	(find_what_p_points_to): Call set_uids_in_ptset with the original
	pointer, not the decl of the solution we collapsed to.

From-SVN: r130195

gcc/ChangeLog

+2007-11-15  Richard Guenther  <rguenther@suse.de>
+
+	* tree-ssa-structalias.c (set_uids_in_ptset): Use the pointed-to
+	type for TBAA pruning.
+	(find_what_p_points_to): Call set_uids_in_ptset with the original
+	pointer, not the decl of the solution we collapsed to.
+
 2007-11-14  David Daney  <ddaney@avtrex.com>
 
 	* config/mips/linux-unwind.h (mips_fallback_frame_state): Use CFA

gcc/tree-ssa-structalias.c

@@ -4719,7 +4719,10 @@ set_uids_in_ptset (tree ptr, bitmap into, bitmap from, bool is_derefed,
 {
   unsigned int i;
   bitmap_iterator bi;
-  alias_set_type ptr_alias_set = get_alias_set (TREE_TYPE (ptr));
+  alias_set_type ptr_alias_set;
+
+  gcc_assert (POINTER_TYPE_P (TREE_TYPE (ptr)));
+  ptr_alias_set = get_alias_set (TREE_TYPE (TREE_TYPE (ptr)));
 
   EXECUTE_IF_SET_IN_BITMAP (from, 0, i, bi)
     {
@@ -4996,7 +4999,7 @@ find_what_p_points_to (tree p)
 	      pi->pt_global_mem = 1;
 	    }
 
-	  set_uids_in_ptset (vi->decl, finished_solution, vi->solution,
+	  set_uids_in_ptset (p, finished_solution, vi->solution,
 			     vi->directly_dereferenced,
 			     vi->no_tbaa_pruning);
 	  result = shared_bitmap_lookup (finished_solution);