contrib/gcc/tree-scalar-evolution.c

460 compute_overall_effect_of_inner_loop (struct loop *loop, tree evolution_fn)
464   if (evolution_fn == chrec_dont_know)
467   else if (TREE_CODE (evolution_fn) == POLYNOMIAL_CHREC)
469       if (CHREC_VARIABLE (evolution_fn) >= (unsigned) loop->num)
472 	    current_loops->parray[CHREC_VARIABLE (evolution_fn)];
487 	      /* evolution_fn is the evolution function in LOOP.  Get
489 	      res = chrec_apply (inner_loop->num, evolution_fn, nb_iter);
496 	return evolution_fn;
500   else if (no_evolution_in_loop_p (evolution_fn, loop->num, &val) && val)
501     return evolution_fn;
1569       tree evolution_fn = analyze_scalar_evolution
1576       res = compute_overall_effect_of_inner_loop (subloop, evolution_fn);