394 	isl_change_error = -1,  enumerator
408 	case isl_change_error:  in invert_change()
409 		return isl_change_error;  in invert_change()
420 	return isl_change_error;  in invert_change()
523 		return isl_change_error;  in fuse()
592 	return isl_change_error;  in fuse()
633 		return isl_change_error;  in check_facets()
640 			return isl_change_error;  in check_facets()
647 				return isl_change_error;  in check_facets()
652 			return isl_change_error;  in check_facets()
659 			return isl_change_error;  in check_facets()
770 		return isl_change_error;  in is_adj_ineq_extension_with_wraps()
776 		return isl_change_error;  in is_adj_ineq_extension_with_wraps()
779 		return isl_change_error;  in is_adj_ineq_extension_with_wraps()
784 		return isl_change_error;  in is_adj_ineq_extension_with_wraps()
792 		return isl_change_error;  in is_adj_ineq_extension_with_wraps()
798 			return isl_change_error;  in is_adj_ineq_extension_with_wraps()
802 			return isl_change_error;  in is_adj_ineq_extension_with_wraps()
805 		return isl_change_error;  in is_adj_ineq_extension_with_wraps()
809 		return isl_change_error;  in is_adj_ineq_extension_with_wraps()
814 		return isl_change_error;  in is_adj_ineq_extension_with_wraps()
1054 		return isl_change_error;  in extend()
1132 			return isl_change_error;  in is_relaxed_extension()
1137 			return isl_change_error;  in is_relaxed_extension()
1143 			return isl_change_error;  in is_relaxed_extension()
1145 			return isl_change_error;  in is_relaxed_extension()
1147 			return isl_change_error;  in is_relaxed_extension()
1150 			return isl_change_error;  in is_relaxed_extension()
1154 			return isl_change_error;  in is_relaxed_extension()
1159 		return isl_change_error;  in is_relaxed_extension()
1645 			return isl_change_error);  in is_adj_ineq_extension()
1651 		return isl_change_error;  in is_adj_ineq_extension()
1676 	return isl_change_error;  in is_adj_ineq_extension()
1771 		return isl_change_error;  in can_wrap_in_facet()
1820 	return isl_change_error;  in can_wrap_in_facet()
1892 		return isl_change_error;  in try_wrap_in_facets()
1908 				return isl_change_error;  in try_wrap_in_facets()
1922 			return isl_change_error;  in try_wrap_in_facets()
1954 		return isl_change_error;  in wrap_in_facets()
1956 		return isl_change_error;  in wrap_in_facets()
1978 	return isl_change_error;  in wrap_in_facets()
2071 		return isl_change_error;  in can_wrap_in_set()
2088 				return isl_change_error;  in can_wrap_in_set()
2102 			return isl_change_error;  in can_wrap_in_set()
2187 			return isl_change_error;  in check_single_adj_eq()
2191 			change = isl_change_error;  in check_single_adj_eq()
2311 		return isl_change_error;  in check_eq_adj_eq()
2357 error:		change = isl_change_error;  in check_eq_adj_eq()
2622 	return isl_change_error;  in coalesce_local_pair_reuse()
3306 		return known < 0 ? isl_change_error : isl_change_none;  in coalesce_expand_tab_divs()
3312 		change = isl_change_error;  in coalesce_expand_tab_divs()
3326 			change = isl_change_error;  in coalesce_expand_tab_divs()
3405 	return isl_change_error;  in coalesce_with_expanded_divs()
3439 		return isl_change_error;  in coalesce_after_aligning_divs()
3480 	return isl_change_error;  in coalesce_after_aligning_divs()
3525 			return isl_change_error;  in coalesce_subset_with_equalities()
3532 		return isl_change_error;  in coalesce_subset_with_equalities()
3869 			return isl_change_error;  in coalesce_with_subs()
3875 	return isl_change_error;  in coalesce_with_subs()
3904 		return isl_change_error;  in check_coalesce_into_eq()
3929 		return isl_change_error;  in check_coalesce_into_eq()
3932 		change = isl_change_error;  in check_coalesce_into_eq()
3943 	return isl_change_error;  in check_coalesce_into_eq()
3961 		return known < 0 ? isl_change_error : isl_change_none;  in check_coalesce_eq()
3964 		return known < 0 ? isl_change_error : isl_change_none;  in check_coalesce_eq()
3967 		return nested < 0 ? isl_change_error : isl_change_none;  in check_coalesce_eq()
3970 		return nested < 0 ? isl_change_error : isl_change_none;  in check_coalesce_eq()
4011 		return isl_change_error;  in coalesce_pair()
4014 		return isl_change_error;  in coalesce_pair()
4073 			case isl_change_error:  in coalesce_range()