* bitmap.c (bitmap_head::dump): New.
	* bitmap.h (bitmap_head): Add dump().
	* gimple-ssa-evrp-analyze.c
	(evrp_range_analyzer::try_find_new_range): Adjust for value_range API.
	(evrp_range_analyzer::set_ssa_range_info): Same.
	(evrp_range_analyzer::record_ranges_from_phis): Same.
	(evrp_range_analyzer::record_ranges_from_stmt): Same.
	* gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Same.
	* gimple-ssa-sprintf.c (get_int_range): Same.
	(format_integer): Same.
	(sprintf_dom_walker::handle_gimple_call): Same.
	* ipa-cp.c (ipcp_vr_lattice::meet_with_1): Same.
	(ipcp_vr_lattice::top_p): Same.
	(ipcp_vr_lattice::bottom_p): Same.
	(ipcp_vr_lattice::set_to_bottom): Same.
	(ipa_vr_operation_and_type_effects): Same.
	(propagate_vr_across_jump_function): Same.
	(ipcp_store_vr_results): Same.
	* ipa-prop.c (struct ipa_vr_ggc_hash_traits): Same.
	(ipa_print_node_jump_functions_for_edge): Same.
	(ipa_get_value_range): Same.
	(ipa_compute_jump_functions_for_edge): Same.
	(ipa_write_jump_function): Same.
	* tree-ssa-dom.c (simplify_stmt_for_jump_threading): Same.
	* tree-ssa-threadedge.c (record_temporary_equivalences_from_phis):
	Same.
	* vr-values.c (set_value_range_to_nonnegative): Same.
	(set_value_range_to_truthvalue): Same.
	(vr_values::get_value_range): Same.
	(vr_values::set_defs_to_varying): Same.
	(vr_values::update_value_range): Same.
	(symbolic_range_based_on_p): Same.
	(vr_values::op_with_boolean_value_range_p): Same.
	(vr_values::extract_range_for_var_from_comparison_expr): Same.
	(vr_values::extract_range_from_ssa_name): Same.
	(vr_values::extract_range_from_binary_expr): Same.
	(vr_values::extract_range_from_unary_expr): Same.
	(vr_values::extract_range_from_cond_expr): Same.
	(vr_values::extract_range_from_comparison): Same.
	(vr_values::check_for_binary_op_overflow): Same.
	(vr_values::extract_range_basic): Same.
	(vr_values::extract_range_from_assignment): Same.
	(compare_ranges): Same.
	(compare_range_with_value): Same.
	(vr_values::adjust_range_with_scev): Same.
	(vrp_valueize): Same.
	(vrp_valueize_1): Same.
	(vr_values::get_vr_for_comparison): Same.
	(vr_values::compare_name_with_value): Same.
	(vr_values::compare_names): Same.
	(vr_values::vrp_evaluate_conditional): Same.
	(find_case_label_ranges): Same.
	(vr_values::vrp_visit_switch_stmt): Same.
	(vr_values::extract_range_from_phi_node): Same.
	(vr_values::simplify_div_or_mod_using_ranges): Same.
	(vr_values::simplify_bit_ops_using_ranges): Same.
	(test_for_singularity): Same.
	(range_fits_type_p): Same.
	(vr_values::simplify_cond_using_ranges_1): Same.
	(vr_values::simplify_switch_using_ranges): Same.
	(vr_values::simplify_float_conversion_using_ranges): Same.
	(vr_values::two_valued_val_range_p): Same.
	(vr_values::add_equivalence): Move to value_range::equiv_add.
	* vr-values.h (vr_values::add_equivalence): Remove.
	(VR_INITIALIZER): Remove.
	* tree-vrp.c (value_range::set): New.
	(value_range::equiv_add): New.
	(value_range::value_range): New.
	(value_range::deep_copy): New.
	(value_range::check): New.
	(value_range::equal_p): New.
	(value_range::ignore_equivs_equal_p): New.
	(value_range::operator==): New.
	(value_range::operator!=): New.
	(value_range::symbolic_p): New.
	(value_range::numeric_p): New.
	(value_range::set_undefined): New.
	(value_range::set_varying): New.
	(value_range::may_contain_p): New.
	(value_range::equiv_clear): New.
	(value_range::singleton_p): New.
	(value_range::intersect): New.
	(value_range::dump): New.
	(value_range::set_and_canonicalize): New.
	(set_value_range): Adjust for value_range API.
	(set_value_range_to_undefined): Same.
	(set_value_range_to_varying): Same.
	(set_and_canonicalize_value_range): Same.
	(set_value_range_to_nonnull): Same.
	(set_value_range_to_null): Same.
	(range_is_null): Same.
	(range_is_nonnull): Same.
	(range_int_cst_p): Same.
	(range_int_cst_singleton_p): Same.
	(symbolic_range_p): Same.
	(range_includes_zero_p): Same.
	(value_range_constant_singleton): Same.
	(vrp_set_zero_nonzero_bits): Same.
	(ranges_from_anti_range): Same.
	(extract_range_into_wide_ints): Same.
	(extract_range_from_multiplicative_op): Same.
	(set_value_range_with_overflow): Same.
	(extract_range_from_binary_expr_1): Same.
	(extract_range_from_unary_expr): Same.
	(dump_value_range): Same.
	(debug_value_range): Same.
	(vrp_prop::check_array_ref): Same.
	(vrp_prop::check_mem_ref): Same.
	(vrp_prop::vrp_initialize): Same.
	(vrp_prop::visit_stmt): Same.
	(intersect_ranges): Same.
	(vrp_prop::visit_phi): Same.
	(vrp_prop::vrp_finalize): Same.
	(determine_value_range_1): Same.
	(determine_value_range): Same.
	(vrp_intersect_ranges_1): Rename to...
	(vrp_intersect_1): this.
	(vrp_intersect_ranges): Rename to...
	(value_range::intersect_helper): ...this.
	(vrp_meet_1): Rename to...
	(value_range::union_helper): ...this.
	(vrp_meet): Rename to...
	(value_range::union_): ...this.
	(copy_value_range): Remove.
	* tree-vrp.h (struct value_range): Rewrite into a proper class.
	(value_range::vrtype): New.
	(value_range::type): New.
	(value_range::equiv): New.
	(value_range::min): New.
	(value_range::max): New.
	(value_range::varying_p): New.
	(value_range::undefined_p): New.
	(value_range::null_p): New.
	(value_range::equiv_add): New.
	(copy_value_range): Remove.

From-SVN: r265241