dist/gcc/tree-vect-loop-manip.c

1604    Generate the number of iterations which should be peeled as prolog for the
1624    and SLP), the number of iterations of the prolog must be divided by the step
1663       /* We only do prolog peeling if the target alignment is known at compile
1692 		     "niters for prolog loop: %T\n", iters);
1846    of prolog loop.  If it's integer const, the integer number is also passed
1848    number of iterations of the prolog loop.  BOUND_EPILOG is the corresponding
2396    This function peels prolog and epilog from the loop, adds guards skipping
2441    Note this function peels prolog and epilog only if it's necessary,
2478   /* We currently do not support prolog peeling if the target alignment is not
2547   class loop *prolog, *epilog = NULL;
2597   /* Generate the number of iterations for the prolog loop.  We do this here
2664      this we use the upper bounds on the prolog and epilog peeling.  When we
2688       /* Due to the order in which we peel prolog and epilog, we first
2690 	 avoid adjusting probabilities of both prolog and vector loops
2718       /* Peel prolog and put it on preheader edge of loop.  */
2719       prolog = slpeel_tree_duplicate_loop_to_edge_cfg (loop, scalar_loop, e);
2720       if (!prolog)
2726       prolog->force_vectorize = false;
2727       slpeel_update_phi_nodes_for_loops (loop_vinfo, prolog, loop, true);
2728       first_loop = prolog;
2731       /* Update the number of iterations for prolog loop.  */
2733       vect_set_loop_condition (prolog, NULL, niters_prolog,
2736       /* Skip the prolog loop.  */
2741 	  guard_bb = loop_preheader_edge (prolog)->src;
2750 	  slpeel_update_phi_nodes_for_guard1 (prolog, loop, guard_e, e);
2753 	  scale_loop_profile (prolog, prob_prolog, bound_prolog);
2775       record_niter_bound (prolog, bound_prolog - 1, false, true);