Lines Matching defs:may_be_zero
578 || !integer_zerop (niter.may_be_zero)
688 edge exit, tree niter, bool may_be_zero,
907 if (may_be_zero)
992 edge exit, tree niter, bool may_be_zero,
1098 if (may_be_zero)
1172 bool may_be_zero = false;
1181 may_be_zero
1182 = niter_desc.may_be_zero && !integer_zerop (niter_desc.may_be_zero);
1188 /* For non-constant niter fold may_be_zero into niter again. */
1189 if (may_be_zero)
1191 if (COMPARISON_CLASS_P (niter_desc.may_be_zero))
1193 niter_desc.may_be_zero,
1197 may_be_zero = false;
1255 if (try_unroll_loop_completely (loop, exit, niter, may_be_zero, ul,
1264 if (may_be_zero)
1266 if (COMPARISON_CLASS_P (niter_desc.may_be_zero))
1268 niter_desc.may_be_zero,
1279 modified |= try_peel_loop (loop, exit, niter, may_be_zero, maxiter);