/* $Id$ */ /* * (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 N T R O L F L O W * * I M M E D I A T E D O M I N A T O R S */ extern dominator(); /* (bblock_p head, short n) * Compute for every basic block its immediate * dominator. The dominator relation is hence * recorded as a tree in which every node contains * a pointer to its parent, which is its * immediate dominator. * 'n' is the number of nodes (basic blocks) in * the control flow graph. */