1 /* $Id: sr_expr.h,v 1.4 1994/06/24 10:32:18 ceriel Exp $ */
3 * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
4 * See the copyright notice in the ACK home directory, in the file "Copyright".
6 /* S T R E N G T H R E D U C T I O N
12 extern bool is_ivexpr();/* (line_p l; lset ivs,vars; line_p *lbegin; iv_p *iv;
14 * Try to recognize an expression that is a linear
15 * function of presicely one induction variable.
16 * It may only use loop constants (besides the