tree-inline.c (declare_return_variable): Fix ICE while inlining DECL_BY_VALUE…

tree-inline.c (declare_return_variable): Fix ICE while inlining DECL_BY_VALUE function not in SSA form


	* tree-inline.c (declare_return_variable): Fix ICE while
	inlining DECL_BY_VALUE function not in SSA form

From-SVN: r162024

gcc/ChangeLog

+2010-07-09  Jan Hubicka  <jh@suse.cz>
+
+	* tree-inline.c (declare_return_variable): Fix ICE while
+	inlining DECL_BY_VALUE function not in SSA form
+
 2010-07-09  Changpeng Fang  <changpeng.fang@amd.com>
 
 	PR tree-optimization/44576

gcc/tree-inline.c

@@ -2903,7 +2903,10 @@ declare_return_variable (copy_body_data *id, tree return_slot, tree modify_dest,
 	  add_referenced_var (temp);
 	}
       insert_decl_map (id, result, temp);
-      temp = remap_ssa_name (gimple_default_def (id->src_cfun, result), id);
+      /* When RESULT_DECL is in SSA form, we need to use it's default_def
+	 SSA_NAME.  */
+      if (gimple_in_ssa_p (id->src_cfun) && gimple_default_def (id->src_cfun, result))
+        temp = remap_ssa_name (gimple_default_def (id->src_cfun, result), id);
       insert_init_stmt (id, entry_bb, gimple_build_assign (temp, var));
     }
   else