ack/util/ego/cf/cf_idom.h
1984-11-26 13:43:22 +00:00

16 lines
441 B
C

/* 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.
*/