20 lines
616 B
C
20 lines
616 B
C
/* $Id$ */
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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/* C O N T R O L F L O W
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*
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* I M M E D I A T E D O M I N A T O R S
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*/
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extern dominator(); /* (bblock_p head, short n)
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* Compute for every basic block its immediate
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* dominator. The dominator relation is hence
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* recorded as a tree in which every node contains
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* a pointer to its parent, which is its
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* immediate dominator.
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* 'n' is the number of nodes (basic blocks) in
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* the control flow graph.
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*/
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