tree-ssa-structalias.c (find_func_aliases_for_builtin_call): Fix handling of…

tree-ssa-structalias.c (find_func_aliases_for_builtin_call): Fix handling of BUILT_IN_ASSUME_ALIGNED.

	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call): Fix
	handling of BUILT_IN_ASSUME_ALIGNED.

From-SVN: r175695

gcc/ChangeLog

 2011-06-30  Jakub Jelinek  <jakub@redhat.com>
 
+	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call): Fix
+	handling of BUILT_IN_ASSUME_ALIGNED.
+
 	PR debug/49364
 	* dwarf2out.c (output_abbrev_section): Don't return early
 	if abbrev_die_table_in_use is 1.

gcc/tree-ssa-structalias.c

@@ -4002,7 +4002,6 @@ find_func_aliases_for_builtin_call (gimple t)
       case BUILT_IN_STPCPY_CHK:
       case BUILT_IN_STRCAT_CHK:
       case BUILT_IN_STRNCAT_CHK:
-      case BUILT_IN_ASSUME_ALIGNED:
 	{
 	  tree res = gimple_call_lhs (t);
 	  tree dest = gimple_call_arg (t, (DECL_FUNCTION_CODE (fndecl)
@@ -4068,6 +4067,20 @@ find_func_aliases_for_builtin_call (gimple t)
 	  VEC_free (ce_s, heap, lhsc);
 	  return true;
 	}
+      case BUILT_IN_ASSUME_ALIGNED:
+	{
+	  tree res = gimple_call_lhs (t);
+	  tree dest = gimple_call_arg (t, 0);
+	  if (res != NULL_TREE)
+	    {
+	      get_constraint_for (res, &lhsc);
+	      get_constraint_for (dest, &rhsc);
+	      process_all_all_constraints (lhsc, rhsc);
+	      VEC_free (ce_s, heap, lhsc);
+	      VEC_free (ce_s, heap, rhsc);
+	    }
+	  return true;
+	}
       /* All the following functions do not return pointers, do not
 	 modify the points-to sets of memory reachable from their
 	 arguments and do not add to the ESCAPED solution.  */