Remove legacy range support.

This patch removes all the code paths guarded by legacy_mode_p(), thus
allowing us to re-use the int_range<1> idiom for a range of one
sub-range.  This allows us to represent these simple ranges in a more
efficient manner.

gcc/ChangeLog:

	* range-op.cc (range_op_cast_tests): Remove legacy support.
	* value-range-storage.h (vrange_allocator::alloc_irange): Same.
	* value-range.cc (irange::operator=): Same.
	(get_legacy_range): Same.
	(irange::copy_legacy_to_multi_range): Delete.
	(irange::copy_to_legacy): Delete.
	(irange::irange_set_anti_range): Delete.
	(irange::set): Remove legacy support.
	(irange::verify_range): Same.
	(irange::legacy_lower_bound): Delete.
	(irange::legacy_upper_bound): Delete.
	(irange::legacy_equal_p): Delete.
	(irange::operator==): Remove legacy support.
	(irange::singleton_p): Same.
	(irange::value_inside_range): Same.
	(irange::contains_p): Same.
	(intersect_ranges): Delete.
	(irange::legacy_intersect): Delete.
	(union_ranges): Delete.
	(irange::legacy_union): Delete.
	(irange::legacy_verbose_union_): Delete.
	(irange::legacy_verbose_intersect): Delete.
	(irange::irange_union): Remove legacy support.
	(irange::irange_intersect): Same.
	(irange::intersect): Same.
	(irange::invert): Same.
	(ranges_from_anti_range): Delete.
	(gt_pch_nx): Adjust for legacy removal.
	(gt_ggc_mx): Same.
	(range_tests_legacy): Delete.
	(range_tests_misc): Adjust for legacy removal.
	(range_tests): Same.
	* value-range.h (class irange): Same.
	(irange::legacy_mode_p): Delete.
	(ranges_from_anti_range): Delete.
	(irange::nonzero_p): Adjust for legacy removal.
	(irange::lower_bound): Same.
	(irange::upper_bound): Same.
	(irange::union_): Same.
	(irange::intersect): Same.
	(irange::set_nonzero): Same.
	(irange::set_zero): Same.
	* vr-values.cc (simplify_using_ranges::legacy_fold_cond_overflow): Same.

0 files changed, 0 insertions, 0 deletions