vrange Class Reference

#include <value-range.h>

Inheritance diagram for vrange:

Public Member Functions
virtual void	accept (const class vrange_visitor &v) const =0
virtual void	set (tree, tree, value_range_kind=VR_RANGE)=0
virtual tree	type () const =0
virtual bool	supports_type_p (const_tree type) const =0
virtual void	set_varying (tree type)=0
virtual void	set_undefined ()=0
virtual bool	union_ (const vrange &)=0
virtual bool	intersect (const vrange &)=0
virtual bool	singleton_p (tree *result=NULL) const =0
virtual bool	contains_p (tree cst) const =0
virtual bool	zero_p () const =0
virtual bool	nonzero_p () const =0
virtual void	set_nonzero (tree type)=0
virtual void	set_zero (tree type)=0
virtual void	set_nonnegative (tree type)=0
virtual bool	fits_p (const vrange &r) const =0
virtual	~vrange ()
virtual tree	lbound () const =0
virtual tree	ubound () const =0
virtual void	update_bitmask (const class irange_bitmask &)
virtual irange_bitmask	get_bitmask () const
wide_int	get_nonzero_bits () const
void	set_nonzero_bits (const wide_int &bits)
bool	varying_p () const
bool	undefined_p () const
vrange &	operator= (const vrange &)
bool	operator== (const vrange &) const
bool	operator!= (const vrange &r) const
void	dump (FILE *) const

Protected Member Functions
	vrange (enum value_range_discriminator d)

Protected Attributes
enum value_range_kind	m_kind: 8
enum value_range_discriminator	m_discriminator: 4

Friends
class	Value_Range
class	range_op_handler
template<typename T >
bool	is_a (vrange &)
void	streamer_write_vrange (struct output_block *, const vrange &)

Constructor & Destructor Documentation

~vrange()

virtual vrange::~vrange ( )

inlinevirtual

Referenced by Value_Range::operator=(), Value_Range::set_type(), and Value_Range::~Value_Range().

vrange()

vrange::vrange ( enum value_range_discriminator d )

inlineprotected

Member Function Documentation

accept()

virtual void vrange::accept ( const class vrange_visitor & v ) const

pure virtual

Referenced by Value_Range::accept(), and dump().

contains_p()

virtual bool vrange::contains_p ( tree cst ) const

pure virtual

Implemented in prange, irange, frange, and unsupported_range.

Referenced by Value_Range::contains_p(), get_bool_state(), and range_includes_zero_p().

dump()

void vrange::dump

(

FILE *

file

)

const

References accept(), pretty_printer::buffer, ggc_alloc(), pp_flush(), pp_needs_newline, and output_buffer::stream.

Referenced by gori_compute::compute_operand1_range(), gori_compute::compute_operand2_range(), gori_compute::compute_operand_range(), phi_group::dump(), Value_Range::dump(), dump_strlen_info(), dump_value_range(), and gori_compute::logical_combine().

fits_p()

virtual bool vrange::fits_p ( const vrange & r ) const

pure virtual

Implemented in unsupported_range, frange, irange, and prange.

get_bitmask()

irange_bitmask vrange::get_bitmask ( ) const

virtual

Reimplemented in prange, and irange.

References TYPE_PRECISION.

Referenced by Value_Range::get_bitmask(), and get_nonzero_bits().

get_nonzero_bits()

wide_int vrange::get_nonzero_bits

(

)

const

References gcc_checking_assert, get_bitmask(), irange_bitmask::mask(), undefined_p(), and irange_bitmask::value().

Referenced by operator_lt::fold_range(), operator_lt::fold_range(), and operator_bitwise_and::op1_range().

intersect()

virtual bool vrange::intersect ( const vrange & )

pure virtual

Implemented in irange, frange, unsupported_range, and prange.

Referenced by adjust_imagpart_expr(), adjust_realpart_expr(), Value_Range::intersect(), ipa_value_range_from_jfunc(), and gori_compute::refine_using_relation().

lbound()

virtual tree vrange::lbound ( ) const

pure virtual

Implemented in prange, unsupported_range, irange, and frange.

Referenced by Value_Range::lbound().

nonzero_p()

virtual bool vrange::nonzero_p ( ) const

pure virtual

Implemented in prange, unsupported_range, irange, and frange.

Referenced by Value_Range::nonzero_p().

operator!=()

bool vrange::operator!= ( const vrange & r ) const

inline

References r.

operator=()

vrange & vrange::operator=

(

const vrange &

src

)

References gcc_checking_assert, ggc_alloc(), is_a< frange >(), is_a< irange >(), is_a< prange >(), is_a< unsupported_range >(), and m_kind.

operator==()

bool vrange::operator==

(

const vrange &

src

)

const

References gcc_unreachable, ggc_alloc(), is_a< frange >(), is_a< irange >(), and is_a< prange >().

set()

virtual void vrange::set ( tree , tree , value_range_kind = VR_RANGE )

pure virtual

Implemented in unsupported_range, prange, irange, and frange.

Referenced by Value_Range::Value_Range().

set_nonnegative()

virtual void vrange::set_nonnegative ( tree type )

pure virtual

Implemented in prange, unsupported_range, irange, and frange.

set_nonzero()

virtual void vrange::set_nonzero ( tree type )

pure virtual

Implemented in prange, unsupported_range, irange, and frange.

Referenced by Value_Range::set_nonzero().

set_nonzero_bits()

void vrange::set_nonzero_bits

(

const wide_int &

bits

)

References gcc_checking_assert, TYPE_PRECISION, undefined_p(), update_bitmask(), and wi::zero().

set_undefined()

virtual void vrange::set_undefined ( )

pure virtual

Implemented in prange, unsupported_range, irange, and frange.

Referenced by ipa_value_range_from_jfunc(), and Value_Range::set_undefined().

set_varying()

virtual void vrange::set_varying ( tree type )

pure virtual

Implemented in prange, irange, frange, and unsupported_range.

Referenced by Value_Range::set_varying().

set_zero()

virtual void vrange::set_zero ( tree type )

pure virtual

Implemented in prange, unsupported_range, irange, and frange.

Referenced by Value_Range::set_zero().

singleton_p()

virtual bool vrange::singleton_p ( tree * result = NULL ) const

pure virtual

Implemented in unsupported_range, prange, irange, and frange.

Referenced by ipa_value_range_from_jfunc(), and Value_Range::singleton_p().

supports_type_p()

virtual bool vrange::supports_type_p ( const_tree type ) const

pure virtual

Implemented in prange, irange, frange, and unsupported_range.

type()

virtual tree vrange::type ( ) const

pure virtual

Implemented in prange, unsupported_range, irange, and frange.

Referenced by adjust_equivalence_range(), get_bool_state(), range_op_handler::op2_range(), range_includes_zero_p(), Value_Range::type(), operator_equal::update_bitmask(), and relation_oracle::validate_relation().

ubound()

virtual tree vrange::ubound ( ) const

pure virtual

Implemented in prange, unsupported_range, irange, and frange.

Referenced by Value_Range::ubound().

undefined_p()

bool vrange::undefined_p ( ) const

inline

References m_kind, and VR_UNDEFINED.

Referenced by inchash::add_vrange(), adjust_equivalence_range(), array_bounds_checker::check_array_ref(), frange::clear_nan(), frange::combine_zeros(), compare_nonzero_chars(), gori_compute::compute_operand_range(), gori_compute::compute_operand_range_switch(), frange::contains_p(), irange::contains_p(), prange::contains_p(), strlen_pass::count_nonzero_bytes_addr(), determine_value_range(), dr_step_indicator(), empty_range_varying(), expr_not_equal_to(), expr_to_aff_combination(), find_case_label_ranges(), find_range_for_lhs(), frange::flush_denormals_to_zero(), operator_lshift::fold_range(), operator_rshift::fold_range(), irange::get_bitmask(), get_bool_state(), get_nonzero_bits(), get_range_strlen_dynamic(), get_ref_base_and_extent(), get_shift_range(), get_size_range(), handle_printf_call(), irange::intersect(), frange::intersect(), unsupported_range::intersect(), prange::intersect(), irange::intersect(), irange::intersect_bitmask(), irange::invert(), prange::invert(), irange::irange_contains_p(), irange::irange_single_pair_union(), frange::known_isfinite(), operator_identity::lhs_op1_relation(), operator_plus::lhs_op1_relation(), operator_minus::lhs_op1_relation(), operator_rshift::lhs_op1_relation(), operator_cast::lhs_op1_relation(), operator_bitwise_and::lhs_op1_relation(), operator_cast::lhs_op1_relation(), operator_cast::lhs_op1_relation(), operator_identity::lhs_op1_relation(), operator_cast::lhs_op1_relation(), prange::lower_bound(), frange::lower_bound(), frange::maybe_isinf(), frange::maybe_isnan(), frange::maybe_isnan(), frange::nan_signbit_p(), irange::nonzero_p(), operator_equal::op1_op2_relation(), operator_not_equal::op1_op2_relation(), operator_lt::op1_op2_relation(), operator_le::op1_op2_relation(), operator_gt::op1_op2_relation(), operator_ge::op1_op2_relation(), operator_equal::op1_op2_relation(), operator_not_equal::op1_op2_relation(), operator_lt::op1_op2_relation(), operator_le::op1_op2_relation(), operator_gt::op1_op2_relation(), operator_ge::op1_op2_relation(), operator_equal::op1_op2_relation(), operator_not_equal::op1_op2_relation(), operator_lt::op1_op2_relation(), operator_le::op1_op2_relation(), operator_gt::op1_op2_relation(), operator_ge::op1_op2_relation(), foperator_div::op1_range(), operator_plus::op1_range(), operator_minus::op1_range(), operator_mult::op1_range(), operator_le::op1_range(), foperator_unordered_lt::op1_range(), foperator_unordered_le::op1_range(), foperator_unordered_gt::op1_range(), foperator_unordered_ge::op1_range(), operator_lt::op1_range(), operator_gt::op1_range(), operator_ge::op1_range(), operator_rshift::op1_range(), pointer_or_operator::op1_range(), operator_cast::op1_range(), operator_addr_expr::op1_range(), operator_bitwise_not::op1_range(), operator_bitwise_xor::op1_range(), operator_lshift::op1_range(), operator_bitwise_and::op1_range(), operator_bitwise_or::op1_range(), operator_exact_divide::op1_range(), operator_trunc_mod::op1_range(), operator_plus::op1_range(), operator_minus::op1_range(), operator_mult::op1_range(), operator_not_equal::op1_range(), operator_lt::op1_range(), operator_le::op1_range(), operator_gt::op1_range(), operator_ge::op1_range(), operator_equal::op1_range(), operator_cast::op1_range(), operator_cast::op1_range(), operator_not_equal::op1_range(), operator_lt::op1_range(), operator_le::op1_range(), operator_gt::op1_range(), operator_ge::op1_range(), operator_equal::op1_range(), operator_cast::op1_range(), operator_addr_expr::op1_range(), foperator_div::op2_range(), operator_minus::op2_range(), operator_le::op2_range(), foperator_unordered_lt::op2_range(), foperator_unordered_le::op2_range(), foperator_unordered_gt::op2_range(), foperator_unordered_ge::op2_range(), operator_lt::op2_range(), operator_gt::op2_range(), operator_ge::op2_range(), operator_trunc_mod::op2_range(), operator_minus::op2_range(), operator_lt::op2_range(), operator_le::op2_range(), operator_gt::op2_range(), operator_ge::op2_range(), operator_lt::op2_range(), operator_le::op2_range(), operator_gt::op2_range(), operator_ge::op2_range(), range_op_handler::op2_range(), frange::operator==(), prange::operator==(), range_fits_type_p(), range_includes_zero_p(), set_nonzero_bits(), set_nonzero_range_from_mask(), irange::set_range_from_bitmask(), set_switch_stmt_execution_predicate(), frange::signbit_p(), simplify_using_ranges::simplify(), simplify_using_ranges::simplify_casted_compare(), simplify_using_ranges::simplify_compare_using_ranges_1(), simplify_conversion_using_ranges(), simplify_using_ranges::simplify_div_or_mod_using_ranges(), simplify_using_ranges::simplify_float_conversion_using_ranges(), simplify_using_ranges::simplify_switch_using_ranges(), size_must_be_zero_p(), split_constant_offset(), simplify_using_ranges::two_valued_val_range_p(), prange::type(), frange::type(), Value_Range::undefined_p(), irange::union_(), frange::union_(), unsupported_range::union_(), prange::union_(), irange::union_bitmask(), unswitch_predicate::unswitch_predicate(), irange::update_bitmask(), prange::update_bitmask(), operator_equal::update_bitmask(), frange::update_nan(), frange::update_nan(), frange::update_nan(), prange::upper_bound(), frange::upper_bound(), relation_oracle::validate_relation(), prange::varying_compatible_p(), vect_get_range_info(), frange::verify_range(), and vr_set_zero_nonzero_bits().

union_()

virtual bool vrange::union_ ( const vrange & )

pure virtual

Implemented in irange, frange, unsupported_range, and prange.

Referenced by adjust_equivalence_range(), and Value_Range::union_().

update_bitmask()

void vrange::update_bitmask ( const class irange_bitmask & )

virtual

Reimplemented in irange.

Referenced by set_nonzero_bits(), and Value_Range::update_bitmask().

varying_p()

bool vrange::varying_p ( ) const

inline

References m_kind, and VR_VARYING.

Referenced by array_bounds_checker::check_array_ref(), compare_nonzero_chars(), gori_compute::compute_operand_range(), frange::contains_p(), prange::contains_p(), unsupported_range::contains_p(), strlen_pass::count_nonzero_bytes_addr(), determine_value_range(), expr_to_aff_combination(), find_case_label_ranges(), operator_cast::fold_range(), get_range_strlen_dynamic(), get_ref_base_and_extent(), irange::intersect(), frange::intersect(), unsupported_range::intersect(), prange::intersect(), irange::invert(), prange::invert(), irange::irange_contains_p(), irange::irange_single_pair_union(), frange::known_isfinite(), frange::maybe_isinf(), operator_cast::op1_range(), operator_bitwise_xor::op1_range(), frange::operator==(), prange::operator==(), range_fits_type_p(), range_includes_zero_p(), simplify_using_ranges::simplify_casted_compare(), simplify_using_ranges::simplify_compare_using_ranges_1(), simplify_conversion_using_ranges(), simplify_using_ranges::simplify_div_or_mod_using_ranges(), simplify_using_ranges::simplify_float_conversion_using_ranges(), simplify_using_ranges::simplify_switch_using_ranges(), simplify_using_ranges::two_valued_val_range_p(), irange::union_(), frange::union_(), unsupported_range::union_(), prange::union_(), unswitch_predicate::unswitch_predicate(), Value_Range::varying_p(), and vr_set_zero_nonzero_bits().

zero_p()

virtual bool vrange::zero_p ( ) const

pure virtual

Implemented in prange, unsupported_range, irange, and frange.

Referenced by get_bool_state(), and Value_Range::zero_p().

Friends And Related Symbol Documentation

is_a

template<typename T >

bool is_a ( vrange & )

friend

range_op_handler

friend class range_op_handler

friend

streamer_write_vrange

void streamer_write_vrange ( struct output_block * ob, const vrange & v )

friend

Value_Range

friend class Value_Range

friend

Field Documentation

m_discriminator

enum value_range_discriminator vrange::m_discriminator

protected

Referenced by range_op_handler::dispatch_kind(), is_a< frange >(), is_a< irange >(), is_a< prange >(), is_a< unsupported_range >(), irange::verify_range(), and prange::verify_range().

m_kind

enum value_range_kind vrange::m_kind

protected

Referenced by frange::combine_zeros(), frange::contains_p(), frange::internal_singleton_p(), irange::intersect(), frange::intersect(), irange::intersect(), frange::intersect_nans(), irange::invert(), frange::known_isfinite(), frange::known_isinf(), frange::known_isnan(), frange::maybe_isinf(), prange::nonzero_p(), irange::normalize_kind(), frange::normalize_kind(), frange::operator=(), irange::operator=(), prange::operator=(), operator=(), frange::operator==(), prange::operator==(), frange::set(), irange::set(), prange::set(), frange::set_nan(), prange::set_nonzero(), irange::set_nonzero(), prange::set_undefined(), unsupported_range::set_undefined(), irange::set_undefined(), frange::set_undefined(), prange::set_varying(), irange::set_varying(), frange::set_varying(), unsupported_range::set_varying(), prange::set_zero(), prange::singleton_p(), undefined_p(), irange::union_(), frange::union_nans(), irange::update_bitmask(), prange::update_bitmask(), irange::varying_compatible_p(), varying_p(), irange::verify_range(), frange::verify_range(), prange::verify_range(), prange::zero_p(), irange::zero_p(), and frange::zero_p().

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The documentation for this class was generated from the following files:

• value-range.h
• value-range.cc