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)
relation_kind	query_relation (gimple *s, tree ssa1, tree ssa2, bool get_range=true)
relation_kind	query_relation (edge e, tree ssa1, tree ssa2, bool get_range=true)
relation_oracle *	oracle () const
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)

Protected Attributes
relation_oracle *	m_oracle

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 m_oracle, and NULL.

~range_query()

range_query::~range_query ( )

virtual

Member Function Documentation

dump()

void range_query::dump ( FILE * )

virtual

Reimplemented in path_range_query, assume_query, ranger_cache, gimple_ranger, 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 BINARY_CLASS_P, COMPARISON_CLASS_P, drop_tree_overflow(), expr, range_op_handler::fold_range(), ggc_alloc(), 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::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(), global_range_query::range_of_expr(), dom_ranger::range_of_expr(), ssa_cache::range_of_expr(), gimple_ranger::range_of_expr(), ranger_cache::range_of_expr(), gimple_ranger::range_of_stmt(), ranger_cache::range_on_edge(), dom_ranger::range_on_edge(), gimple_ranger::range_on_edge(), gimple_ranger::range_on_entry(), and gimple_ranger::range_on_exit().

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, ggc_alloc(), r, range_of_expr(), range_on_entry(), and range_on_exit().

Referenced by get_tree_range().

oracle()

relation_oracle * range_query::oracle ( ) const

inline

References m_oracle.

Referenced by path_range_query::compute_ranges(), fur_depend::fur_depend(), gimple_ranger::gimple_ranger(), jt_fur_source::jt_fur_source(), path_range_query::path_range_query(), path_range_query::path_range_query(), and fold_using_range::relation_fold_and_or().

query_relation() [1/2]

relation_kind range_query::query_relation	(	edge	e,
		tree	ssa1,
		tree	ssa2,
		bool	get_range = true )

References get_range(), ggc_alloc(), m_oracle, relation_oracle::query_relation(), range_on_edge(), single_pred_p(), TREE_CODE, TREE_TYPE, and VREL_VARYING.

query_relation() [2/2]

relation_kind range_query::query_relation	(	gimple *	s,
		tree	ssa1,
		tree	ssa2,
		bool	get_range = true )

References get_range(), ggc_alloc(), gimple_bb(), m_oracle, relation_oracle::query_relation(), range_of_expr(), TREE_CODE, TREE_TYPE, and VREL_VARYING.

Referenced by fur_stmt::query_relation(), and fold_using_range::range_of_phi().

range_of_expr()

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

pure virtual

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

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_source::get_operand(), fur_list::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(), query_relation(), range_of_stmt(), range_of_var_in_loop(), range_on_edge(), range_on_entry(), range_on_exit(), 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 path_range_query, gimple_ranger, and dom_ranger.

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 ranger_cache, dom_ranger, and gimple_ranger.

References r, and range_of_expr().

Referenced by fur_edge::get_operand(), fur_source::get_phi_operand(), fur_edge::get_phi_operand(), phi_analyzer::process_phi(), query_relation(), 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 invoke_range_of_expr(), 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().

value_of_expr()

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

virtual

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

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

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

value_of_stmt()

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

virtual

Reimplemented in substitute_and_fold_engine, rvrp_folder, and fvrp_folder.

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

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

value_on_edge()

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

virtual

Reimplemented in rvrp_folder, fvrp_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 rvrp_folder::value_on_edge(), and fvrp_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_oracle

relation_oracle* range_query::m_oracle

protected

Referenced by ranger_cache::dump_bb(), ranger_cache::fill_block_cache(), path_range_query::get_path_oracle(), gimple_ranger::gimple_ranger(), path_range_query::maybe_register_phi_relation(), oracle(), path_range_query::path_range_query(), path_range_query::path_range_query(), query_relation(), query_relation(), range_query(), ranger_cache::ranger_cache(), path_range_query::~path_range_query(), and ranger_cache::~ranger_cache().

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

• value-query.h
• value-query.cc