calls.c (initialize_argument_information): Handle SSA names like decls with a non MEM_P DECL_RTL.

        * calls.c (initialize_argument_information): Handle SSA names
        like decls with a non MEM_P DECL_RTL.

From-SVN: r147044

gcc/ChangeLog

+2009-05-01  Michael Matz  <matz@suse.de>
+
+	* calls.c (initialize_argument_information): Handle SSA names like
+	decls with a non MEM_P DECL_RTL.
+
 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
 
 	* ipa-reference.c: Do not include c-common.h, include splay-tree.h.

gcc/calls.c

@@ -1054,6 +1054,7 @@ initialize_argument_information (int num_actuals ATTRIBUTE_UNUSED,
 	      || (callee_copies
 		  && !TREE_ADDRESSABLE (type)
 		  && (base = get_base_address (args[i].tree_value))
+		  && TREE_CODE (base) != SSA_NAME
 		  && (!DECL_P (base) || MEM_P (DECL_RTL (base)))))
 	    {
 	      /* We can't use sibcalls if a callee-copied argument is