range_query Class Reference

#include <value-query.h>

Inheritance diagram for range_query:

Collaboration diagram for range_query:

Public Member Functions
	range_query ()
virtual	~range_query ()
virtual tree	value_of_expr (tree expr, gimple *=NULL)
virtual tree	value_on_edge (edge, tree expr)
virtual tree	value_of_stmt (gimple *, tree name=NULL)
virtual tree	value_on_entry (basic_block, tree expr)
virtual tree	value_on_exit (basic_block, tree expr)
virtual bool	range_of_expr (vrange &r, tree expr, gimple *=NULL)=0
virtual bool	range_on_edge (vrange &r, edge, tree expr)
virtual bool	range_of_stmt (vrange &r, gimple *, tree name=NULL)
virtual bool	range_on_entry (vrange &r, basic_block bb, tree expr)
virtual bool	range_on_exit (vrange &r, basic_block bb, tree expr)
class relation_oracle &	relation () const
void	create_relation_oracle (bool do_trans_p=true)
void	destroy_relation_oracle ()
class infer_range_oracle &	infer_oracle () const
void	create_infer_oracle (bool do_search=TRUE)
void	destroy_infer_oracle ()
class gimple_outgoing_range &	gori () const
class gori_map *	gori_ssa () const
void	create_gori (int not_executable_flag=0, int sw_max_edges=INT_MAX)
void	destroy_gori ()
virtual void	dump (FILE *)

Protected Member Functions
bool	get_tree_range (vrange &v, tree expr, gimple *stmt, basic_block bbentry=NULL, basic_block bbexit=NULL)
bool	invoke_range_of_expr (vrange &v, tree expr, gimple *stmt, basic_block bbentry, basic_block bbexit)
bool	get_arith_expr_range (vrange &r, tree expr, gimple *stmt)
void	share_query (range_query &q)

Protected Attributes
relation_oracle *	m_relation
infer_range_oracle *	m_infer
gimple_outgoing_range *	m_gori
gori_map *	m_map
bool	m_shared_copy_p

Detailed Description

Support routines for value queries.
   Copyright (C) 2020-2024 Free Software Foundation, Inc.
   Contributed by Aldy Hernandez <aldyh@redhat.com> and
   Andrew Macleod <amacleod@redhat.com>.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.

GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.   

Constructor & Destructor Documentation

range_query()

range_query::range_query

(

)

References default_gori, default_infer_oracle, default_relation_oracle, m_gori, m_infer, m_map, m_relation, m_shared_copy_p, and NULL.

~range_query()

range_query::~range_query ( )

virtual

References destroy_gori(), destroy_infer_oracle(), destroy_relation_oracle(), and m_shared_copy_p.

Member Function Documentation

create_gori()

void range_query::create_gori	(	int	not_executable_flag = 0,
		int	sw_max_edges = INT_MAX )

References default_gori, gcc_checking_assert, m_gori, m_map, and NULL.

Referenced by assume_query::assume_query(), and ranger_cache::ranger_cache().

create_infer_oracle()

void range_query::create_infer_oracle

(

bool

do_search = TRUE

)

References default_infer_oracle, gcc_checking_assert, and m_infer.

Referenced by ranger_cache::ranger_cache().

create_relation_oracle()

void range_query::create_relation_oracle

(

bool

do_trans_p = true

)

References CDI_DOMINATORS, default_relation_oracle, dom_info_available_p(), gcc_checking_assert, global_ranges, and m_relation.

Referenced by execute_fast_vrp(), and ranger_cache::ranger_cache().

destroy_gori()

void range_query::destroy_gori

(

)

References default_gori, m_gori, m_map, and NULL.

Referenced by assume_query::~assume_query(), and ~range_query().

destroy_infer_oracle()

void range_query::destroy_infer_oracle

(

)

References default_infer_oracle, and m_infer.

Referenced by ~range_query(), and ranger_cache::~ranger_cache().

destroy_relation_oracle()

void range_query::destroy_relation_oracle

(

)

References default_relation_oracle, and m_relation.

Referenced by execute_fast_vrp(), ~range_query(), and ranger_cache::~ranger_cache().

dump()

void range_query::dump ( FILE * )

virtual

Reimplemented in assume_query, gimple_ranger, path_range_query, ranger_cache, and ssa_cache.

get_arith_expr_range()

bool range_query::get_arith_expr_range ( vrange & r, tree expr, gimple * stmt )

protected

get_tree_range()

bool range_query::get_tree_range ( vrange & v, tree expr, gimple * stmt, basic_block bbentry = NULL, basic_block bbexit = NULL )

protected

References as_a(), BINARY_CLASS_P, COMPARISON_CLASS_P, drop_tree_overflow(), expr, range_op_handler::fold_range(), gimple_range_global(), gimple_range_ssa_p(), invoke_range_of_expr(), r, real_isnan(), real_isneg(), REAL_VALUE_TYPE, frange::set(), frange::set_nan(), value_range::set_varying(), value_range::supports_type_p(), TREE_CODE, TREE_OPERAND, TREE_OVERFLOW_P, TREE_REAL_CST_PTR, tree_single_nonzero_warnv_p(), TREE_TYPE, type(), TYPE_P, and UNARY_CLASS_P.

Referenced by assume_query::calculate_phi(), assume_query::range_of_expr(), dom_ranger::range_of_expr(), gimple_ranger::range_of_expr(), global_range_query::range_of_expr(), ranger_cache::range_of_expr(), ssa_cache::range_of_expr(), dom_ranger::range_of_stmt(), gimple_ranger::range_of_stmt(), dom_ranger::range_on_edge(), gimple_ranger::range_on_edge(), ranger_cache::range_on_edge(), gimple_ranger::range_on_entry(), and gimple_ranger::range_on_exit().

gori()

class gimple_outgoing_range & range_query::gori ( ) const

inline

References m_gori.

Referenced by ranger_cache::block_range(), assume_query::calculate_op(), path_range_query::compute_ranges_in_block(), gimple_ranger::dump_bb(), ranger_cache::edge_range(), evaluate_control_stmt_using_entry_checks(), ranger_cache::fill_block_cache(), fur_source::gori(), gori_on_edge(), ranger_cache::range_from_dom(), and ranger_cache::register_inferred_value().

gori_ssa()

class gori_map * range_query::gori_ssa ( ) const

inline

References m_map.

Referenced by hybrid_jt_simplifier::compute_exit_dependencies(), path_range_query::compute_exit_dependencies(), path_range_query::compute_ranges_in_block(), ranger_cache::dump_bb(), ranger_cache::get_global_range(), fur_source::gori_ssa(), remove_unreachable::handle_early(), gimple_ranger::range_of_stmt(), ranger_cache::ranger_cache(), ranger_cache::register_inferred_value(), gimple_ranger::register_transitive_inferred_ranges(), remove_unreachable::remove_and_update_globals(), ranger_cache::set_global_range(), and dom_opt_dom_walker::set_global_ranges_from_unreachable_edges().

infer_oracle()

class infer_range_oracle & range_query::infer_oracle ( ) const

inline

References m_infer.

Referenced by path_range_query::adjust_for_non_null_uses(), ranger_cache::apply_inferred_ranges(), ranger_cache::edge_range(), ranger_cache::fill_block_cache(), path_range_query::range_defined_in_block(), ranger_cache::range_from_dom(), gimple_ranger::range_on_edge(), and gimple_ranger::register_transitive_inferred_ranges().

invoke_range_of_expr()

bool range_query::invoke_range_of_expr ( vrange & v, tree expr, gimple * stmt, basic_block bbentry, basic_block bbexit )

protected

References gcc_checking_assert, r, range_of_expr(), range_on_entry(), and range_on_exit().

Referenced by get_tree_range().

range_of_expr()

virtual bool range_query::range_of_expr ( vrange & r, tree expr, gimple * = NULL )

pure virtual

Implemented in assume_query, dom_ranger, gimple_ranger, global_range_query, path_range_query, ranger_cache, ssa_cache, and substitute_and_fold_engine.

Referenced by check_for_binary_op_overflow(), compare_nonzero_chars(), strlen_pass::count_nonzero_bytes_addr(), cprop_operand(), determine_block_size(), dump_ssaname_info(), dump_strlen_info(), expand_builtin_strnlen(), simplify_using_ranges::fold_cond_with_ops(), path_range_query::get_cache(), get_min_precision(), fur_list::get_operand(), fur_source::get_operand(), fur_stmt::get_operand(), get_range(), get_range_strlen_dynamic(), get_ref_base_and_extent(), get_size_range(), array_bounds_checker::get_value_range(), handle_printf_call(), invoke_range_of_expr(), simplify_using_ranges::legacy_fold_cond(), simplify_using_ranges::legacy_fold_cond_overflow(), simplify_using_ranges::op_with_boolean_value_range_p(), range_of_stmt(), range_of_var_in_loop(), range_on_edge(), range_on_entry(), range_on_exit(), remove_unreachable::remove_and_update_globals(), simplify_using_ranges::simplify(), simplify_using_ranges::simplify_bit_ops_using_ranges(), simplify_using_ranges::simplify_casted_compare(), simplify_using_ranges::simplify_compare_using_ranges_1(), simplify_using_ranges::simplify_div_or_mod_using_ranges(), simplify_using_ranges::simplify_float_conversion_using_ranges(), simplify_rotate(), simplify_using_ranges::simplify_switch_using_ranges(), split_at_bb_p(), simplify_using_ranges::two_valued_val_range_p(), value_of_expr(), and value_on_edge().

range_of_stmt()

bool range_query::range_of_stmt ( vrange & r, gimple * stmt, tree name = NULL )

virtual

Reimplemented in dom_ranger, gimple_ranger, and path_range_query.

References gcc_checking_assert, gimple_get_lhs(), r, and range_of_expr().

Referenced by simplify_using_ranges::fold_cond(), and value_of_stmt().

range_on_edge()

bool range_query::range_on_edge ( vrange & r, edge , tree expr )

virtual

Support routines for value queries.
   Copyright (C) 2020-2024 Free Software Foundation, Inc.
   Contributed by Aldy Hernandez <aldyh@redhat.com> and
   Andrew MacLeod <amacleod@redhat.com>.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.

GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.   

Reimplemented in dom_ranger, gimple_ranger, and ranger_cache.

References r, and range_of_expr().

Referenced by fur_edge::get_operand(), fur_edge::get_phi_operand(), fur_source::get_phi_operand(), phi_analyzer::process_phi(), and value_on_edge().

range_on_entry()

bool range_query::range_on_entry ( vrange & r, basic_block bb, tree expr )

virtual

Reimplemented in gimple_ranger.

References r, and range_of_expr().

Referenced by remove_unreachable::handle_early(), invoke_range_of_expr(), remove_unreachable::remove_and_update_globals(), and value_on_entry().

range_on_exit()

bool range_query::range_on_exit ( vrange & r, basic_block bb, tree expr )

virtual

Reimplemented in gimple_ranger.

References r, and range_of_expr().

Referenced by invoke_range_of_expr(), and value_on_exit().

relation()

class relation_oracle & range_query::relation ( ) const

inline

References m_relation.

Referenced by path_range_query::compute_ranges(), path_range_query::path_range_query(), path_range_query::path_range_query(), fur_stmt::query_relation(), jt_fur_source::query_relation(), fold_using_range::range_of_phi(), fur_depend::register_relation(), fur_depend::register_relation(), jt_fur_source::register_relation(), and jt_fur_source::register_relation().

share_query()

void range_query::share_query ( range_query & q )

protected

References m_gori, m_infer, m_map, m_relation, and m_shared_copy_p.

Referenced by gimple_ranger::gimple_ranger(), path_range_query::path_range_query(), and path_range_query::path_range_query().

value_of_expr()

tree range_query::value_of_expr ( tree expr, gimple * stmt = NULL )

virtual

Reimplemented in ccp_folder, copy_folder, fvrp_folder, rvrp_folder, and substitute_and_fold_engine.

References NULL_TREE, r, range_of_expr(), value_range::supports_type_p(), and TREE_TYPE.

Referenced by pta_valueize(), fvrp_folder::value_of_expr(), and rvrp_folder::value_of_expr().

value_of_stmt()

tree range_query::value_of_stmt ( gimple * stmt, tree name = NULL )

virtual

Reimplemented in fvrp_folder, rvrp_folder, and substitute_and_fold_engine.

References gcc_checking_assert, gimple_get_lhs(), NULL_TREE, r, range_of_stmt(), value_range::supports_type_p(), and TREE_TYPE.

Referenced by fvrp_folder::value_of_stmt(), and rvrp_folder::value_of_stmt().

value_on_edge()

tree range_query::value_on_edge ( edge e, tree expr )

virtual

Reimplemented in fvrp_folder, rvrp_folder, and substitute_and_fold_engine.

References NULL_TREE, r, range_of_expr(), range_on_edge(), value_range::supports_type_p(), and TREE_TYPE.

Referenced by fvrp_folder::value_on_edge(), and rvrp_folder::value_on_edge().

value_on_entry()

tree range_query::value_on_entry ( basic_block bb, tree expr )

virtual

References gcc_checking_assert, NULL_TREE, r, range_on_entry(), value_range::supports_type_p(), and TREE_TYPE.

value_on_exit()

tree range_query::value_on_exit ( basic_block bb, tree expr )

virtual

References gcc_checking_assert, NULL_TREE, r, range_on_exit(), value_range::supports_type_p(), and TREE_TYPE.

Field Documentation

m_gori

gimple_outgoing_range* range_query::m_gori

protected

Referenced by create_gori(), destroy_gori(), gori(), range_query(), and share_query().

m_infer

infer_range_oracle* range_query::m_infer

protected

Referenced by create_infer_oracle(), destroy_infer_oracle(), infer_oracle(), range_query(), and share_query().

m_map

gori_map* range_query::m_map

protected

Referenced by create_gori(), destroy_gori(), gori_ssa(), range_query(), and share_query().

m_relation

relation_oracle* range_query::m_relation

protected

Referenced by create_relation_oracle(), destroy_relation_oracle(), ranger_cache::dump_bb(), ranger_cache::fill_block_cache(), path_range_query::get_path_oracle(), path_range_query::maybe_register_phi_relation(), path_range_query::path_range_query(), path_range_query::path_range_query(), range_query(), relation(), share_query(), and path_range_query::~path_range_query().

m_shared_copy_p

bool range_query::m_shared_copy_p

protected

Referenced by range_query(), share_query(), and ~range_query().

---

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

• value-query.h
• value-query.cc