Lines Matching defs:may_be_zero
1251 niter->may_be_zero = fold_build2 (TRUTH_OR_EXPR, boolean_type_node,
1252 niter->may_be_zero,
1453 niter->may_be_zero = fold_build2 (TRUTH_OR_EXPR, boolean_type_node,
1454 niter->may_be_zero, mbz);
1509 niter->may_be_zero = fold_build2 (LT_EXPR, boolean_type_node,
1749 if may_be_zero then the loop does not roll, even if
1752 niter->may_be_zero = boolean_false_node;
1911 if (!integer_zerop (niter->may_be_zero))
1914 print_generic_expr (dump_file, niter->may_be_zero, TDF_SLIM);
2522 niter->may_be_zero = simplify_using_outer_evolutions (loop,
2523 niter->may_be_zero);
2530 niter->may_be_zero
2532 niter->may_be_zero);
2710 tree may_be_zero = fold_build2 (EQ_EXPR, boolean_type_node, src,
2713 niter->may_be_zero =
2714 simplify_using_initial_conditions (loop, may_be_zero);
2717 niter->may_be_zero = boolean_false_node;
2771 if (integer_nonzerop (desc.may_be_zero))
2780 if (!integer_zerop (desc.may_be_zero))
4310 if (TREE_CODE (niter_desc.may_be_zero) != INTEGER_CST)
4311 niter = build3 (COND_EXPR, type, niter_desc.may_be_zero,