1987-03-10 11:49:39 +00:00
|
|
|
/* $Header$ */
|
1987-03-09 19:15:41 +00:00
|
|
|
/*
|
|
|
|
|
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
|
|
|
|
|
* See the copyright notice in the ACK home directory, in the file "Copyright".
|
|
|
|
|
*/
|
1984-11-26 14:51:59 +00:00
|
|
|
/* S T R E N G T H R E D U C T I O N
|
|
|
|
|
*
|
|
|
|
|
* S R _ C A N D . H
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
extern candidates(); /* (loop_p lp; lset *iv_cand, *vars)
|
|
|
|
|
* Find candidate induction variables,
|
|
|
|
|
* i.e. local variables that are assigned
|
|
|
|
|
* a value precisely once within the loop,
|
|
|
|
|
* within a strong block. Also find the
|
|
|
|
|
* local variables that are changed within
|
|
|
|
|
* the loop, but that are not a candidate.
|
|
|
|
|
*/
|
