/* $Id$ */ /* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ /* C O P Y P R O P A G A T I O N * * A U X I L I A R Y R O U T I N E S */ extern repl_line(); /* (line_p old,new; bblock_p b) * Replace EM instruction 'old' by a * copy of 'new'. Update doubly-linked * list. */ extern bool same_var(); /* (line_p use,def) * 'use' is an instruction that uses a variable * for which we maintain ud-info (e.g. a LOL). * See if 'def' references the same variable. */