Initial revision

util/ego/cf/cf_loop.h

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+/*  C O N T R O L   F L O W
+ *
+ *  L O O P   D E T E C T I O N
+ */
+
+extern loop_detection();	/* (proc_p p)
+				 * Detect all loops of procedure p.
+				 * Every basic block of p is assigned
+				 * a set of all loops it is part of.
+				 * For every loop we record the number
+				 * of blocks it contains, the loop entry
+				 * block and its nesting level (0 = outer
+				 * loop, 1 = loop within loop etc.).
+				 */