Lines Matching defs:headers
459 /* Takes care of merging natural loops with shared headers. */
599 sbitmap headers;
622 /* Join loops with shared headers. */
625 /* Count the number of loop headers. This should be the
627 headers = sbitmap_alloc (last_basic_block);
628 sbitmap_zero (headers);
660 /* Shared headers should be eliminated by now. */
663 SET_BIT (headers, header->index);
714 if (!TEST_BIT (headers, rc_order[b]))
750 sbitmap_free (headers);
1104 /* Check headers and latches. */