#include <ipa-icf.h>

Collaboration diagram for ipa_icf::sem_item_optimizer:

Public Member Functions
	sem_item_optimizer ()

	~sem_item_optimizer ()

void	parse_funcs_and_vars (void)

bool	execute (void)

void	dump (void)

void	checking_verify_classes (void)

void	verify_classes (void)

void	write_summary (void)

void	read_summary (void)

void	remove_item (sem_item *item)

void	remove_symtab_node (symtab_node *node)

void	register_hooks (void)

void	unregister_hooks (void)

void	add_class (congruence_class *cls)

congruence_class_group *	get_group_by_hash (hashval_t hash, sem_item_type type)

Static Public Member Functions
static void	cgraph_removal_hook (cgraph_node node, void data)

static void	varpool_removal_hook (varpool_node node, void data)

Data Fields
fibonacci_heap< unsigned, congruence_class >	worklist

Private Member Functions
void	update_hash_by_addr_refs ()

void	update_hash_by_memory_access_type ()

void	build_hash_based_classes (void)

unsigned int	parse_nonsingleton_classes (void)

void	subdivide_classes_by_equality (bool in_wpa=false)

unsigned	subdivide_classes_by_sensitive_refs ()

void	dump_cong_classes (void)

void	build_graph (void)

void	process_cong_reduction (void)

bool	merge_classes (unsigned int prev_class_count, unsigned int loaded_symbols)

void	fixup_points_to_sets (void)

void	fixup_pt_set (struct pt_solution *pt)

void	worklist_push (congruence_class *cls)

congruence_class *	worklist_pop ()

void	do_congruence_step (congruence_class *cls)

bool	do_congruence_step_for_index (congruence_class *cls, unsigned int index)

void	read_section (lto_file_decl_data file_data, const char data, size_t len)

void	filter_removed_items (void)

Static Private Member Functions
static void	add_item_to_class (congruence_class cls, sem_item item)

static bool	release_split_map (congruence_class const &cls, bitmap const &b, traverse_split_pair pair)

static bool	traverse_congruence_split (congruence_class const &cls, bitmap const &b, traverse_split_pair pair)

static int	sort_congruence_split (const void , const void )

Private Attributes
vec< sem_item * >	m_items

hash_set< symtab_node * >	m_removed_items_set

hash_table< congruence_class_hash >	m_classes

unsigned int	m_classes_count

hash_map< symtab_node , sem_item >	m_symtab_node_map

bool	splitter_class_removed

cgraph_node_hook_list *	m_cgraph_node_hooks

varpool_node_hook_list *	m_varpool_node_hooks

bitmap_obstack	m_bmstack

vec< symtab_pair >	m_merged_variables

ref_map	m_references

Static Private Attributes
static unsigned int	class_id = 0

Detailed Description

Semantic item optimizer includes all top-level logic
related to semantic equality comparison.

Constructor & Destructor Documentation

◆ sem_item_optimizer()

ipa_icf::sem_item_optimizer::sem_item_optimizer ( )

References bitmap_obstack_initialize(), m_bmstack, and m_items.

◆ ~sem_item_optimizer()

ipa_icf::sem_item_optimizer::~sem_item_optimizer ( )

References bitmap_obstack_release(), free(), i, m_bmstack, m_classes, m_items, and m_merged_variables.

Member Function Documentation

◆ add_class()

void ipa_icf::sem_item_optimizer::add_class ( congruence_class * cls )

Adds a CLS to hashtable associated by hash value.

References ipa_icf::congruence_class_group::classes, gcc_assert, get_group_by_hash(), and ipa_icf::congruence_class::members.

Referenced by traverse_congruence_split().

◆ add_item_to_class()

void ipa_icf::sem_item_optimizer::add_item_to_class	(	congruence_class *	cls,
		sem_item *	item )

staticprivate

Makes pairing between a congruence class CLS and semantic ITEM.

References ipa_icf::sem_item::cls, ipa_icf::sem_item::index_in_class, ipa_icf::congruence_class::members, ipa_icf::congruence_class::referenced_by_count, and ipa_icf::sem_item::referenced_by_count.

Referenced by build_hash_based_classes(), subdivide_classes_by_equality(), subdivide_classes_by_sensitive_refs(), and traverse_congruence_split().

◆ build_graph()

void ipa_icf::sem_item_optimizer::build_graph ( void )

private

Build references according to call graph.

References ipa_icf::sem_item::add_reference(), cgraph_edge::callee, cgraph_node::callees, dyn_cast(), ipa_icf::FUNC, ipa_icf::sem_item::get_hash(), i, symtab_node::iterate_reference(), m_items, m_references, m_symtab_node_map, cgraph_edge::next_callee, ipa_icf::sem_item::node, NULL, ipa_ref::referred, ipa_icf::sem_item::type, cgraph_node::ultimate_alias_target(), and symtab_node::ultimate_alias_target().

Referenced by execute().

◆ build_hash_based_classes()

void ipa_icf::sem_item_optimizer::build_hash_based_classes ( void )

private

Congruence classes are built by hash value.

References add_item_to_class(), class_id, ipa_icf::congruence_class_group::classes, get_group_by_hash(), ipa_icf::sem_item::get_hash(), i, m_classes_count, m_items, and ipa_icf::sem_item::type.

Referenced by execute().

◆ cgraph_removal_hook()

void ipa_icf::sem_item_optimizer::cgraph_removal_hook	(	cgraph_node *	node,
		void *	data )

static

Callgraph removal hook called for a NODE with a custom DATA.

References ipa_icf::optimizer, and remove_symtab_node().

Referenced by register_hooks().

◆ checking_verify_classes()

void ipa_icf::sem_item_optimizer::checking_verify_classes ( void )

Verify congruence classes, if checking is enabled.

References verify_classes().

Referenced by execute(), and subdivide_classes_by_equality().

◆ do_congruence_step()

void ipa_icf::sem_item_optimizer::do_congruence_step ( congruence_class * cls )

private

Every usage of a congruence class CLS is a candidate that can split the
collection of classes. Bitmap stack BMSTACK is used for bitmap
allocation.

References BITMAP_ALLOC, BITMAP_FREE, bitmap_ior_into(), do_congruence_step_for_index(), dump_file, dump_flags, EXECUTE_IF_SET_IN_BITMAP, i, ipa_icf::congruence_class::id, m_bmstack, ipa_icf::congruence_class::members, ipa_icf::congruence_class::referenced_by_count, splitter_class_removed, TDF_DETAILS, and usage().

Referenced by process_cong_reduction().

◆ do_congruence_step_for_index()

bool ipa_icf::sem_item_optimizer::do_congruence_step_for_index	(	congruence_class *	cls,
		unsigned int	index )

private

Tests if a class CLS used as INDEXth splits any congruence classes.
Bitmap stack BMSTACK is used for bitmap allocation.

References b, hash_map< KeyId, Value, Traits >::begin(), BITMAP_ALLOC, bitmap_set_bit, ipa_icf::sem_item::cls, hash_map< KeyId, Value, Traits >::elements(), hash_map< KeyId, Value, Traits >::end(), gcc_checking_assert, hash_map< KeyId, Value, Traits >::get(), i, ipa_icf::sem_item::index_in_class, m_bmstack, m_references, ipa_icf::congruence_class::members, NULL, hash_map< KeyId, Value, Traits >::put(), r, release_split_map(), sort_congruence_split(), splitter_class_removed, hash_map< KeyId, Value, Traits >::traverse(), and traverse_congruence_split().

Referenced by do_congruence_step().

◆ dump()

void ipa_icf::sem_item_optimizer::dump ( void )

Referenced by traverse_congruence_split().

◆ dump_cong_classes()

void ipa_icf::sem_item_optimizer::dump_cong_classes ( void )

private

Debug function prints all informations about congruence classes.

References dump_file, dump_flags, fmt_size_t, free(), histogram, HOST_SIZE_T_PRINT_UNSIGNED, i, m_classes, m_items, and TDF_DETAILS.

Referenced by execute().

◆ execute()

bool ipa_icf::sem_item_optimizer::execute ( void )

Optimizer entry point which returns true in case it processes
a merge operation. True is returned if there's a merge operation
processed.

References build_graph(), build_hash_based_classes(), checking_verify_classes(), symbol_table::dump(), dump_cong_classes(), dump_file, dump_flags, filter_removed_items(), m_classes_count, merge_classes(), parse_nonsingleton_classes(), process_cong_reduction(), subdivide_classes_by_equality(), symtab, TDF_DETAILS, unregister_hooks(), update_hash_by_addr_refs(), and update_hash_by_memory_access_type().

Referenced by ipa_icf::ipa_icf_driver().

◆ filter_removed_items()

void ipa_icf::sem_item_optimizer::filter_removed_items ( void )

private

Removes all callgraph and varpool nodes that are marked by symtab
as deleted.

References symtab_node::alias, symtab_node::body_removed, hash_set< KeyId, Lazy, Traits >::contains(), ipa_icf::sem_item::decl, ipa_icf::FUNC, i, m_items, m_removed_items_set, ipa_icf::sem_item::node, remove_item(), TREE_READONLY, and ipa_icf::sem_item::type.

Referenced by execute().

◆ fixup_points_to_sets()

void ipa_icf::sem_item_optimizer::fixup_points_to_sets ( void )

private

Fixup points to analysis info.

References symtab_node::decl, DECL_STRUCT_FUNCTION, DECL_UID, dyn_cast(), gimple_df::escaped, gimple_df::escaped_return, fixup_pt_set(), FOR_EACH_BB_FN, FOR_EACH_DEFINED_FUNCTION, FOR_EACH_SSA_NAME, FOR_EACH_VEC_ELT, gimple_call_clobber_set(), gimple_call_use_set(), function::gimple_df, gimple_in_ssa_p(), gsi_end_p(), gsi_next(), gsi_start_bb(), gsi_stmt(), i, m_merged_variables, POINTER_TYPE_P, ipa_icf::set_alias_uids(), SSA_NAME_PTR_INFO, and TREE_TYPE.

Referenced by merge_classes().

◆ fixup_pt_set()

void ipa_icf::sem_item_optimizer::fixup_pt_set ( struct pt_solution * pt )

private

Fixup points to set PT.

References bitmap_bit_p, bitmap_set_bit, DECL_UID, FOR_EACH_VEC_ELT, i, m_merged_variables, NULL, and pt_solution::vars.

Referenced by fixup_points_to_sets().

◆ get_group_by_hash()

congruence_class_group * ipa_icf::sem_item_optimizer::get_group_by_hash	(	hashval_t	hash,
		sem_item_type	type )

Gets a congruence class group based on given HASH value and TYPE.

References ipa_icf::congruence_class_group::classes, free(), ipa_icf::congruence_class_group::hash, m_classes, ipa_icf::congruence_class_group::type, and type().

Referenced by add_class(), and build_hash_based_classes().

◆ merge_classes()

bool ipa_icf::sem_item_optimizer::merge_classes	(	unsigned int	prev_class_count,
		unsigned int	loaded_symbols )

private

After reduction is done, we can declare all items in a group
to be equal. PREV_CLASS_COUNT is start number of classes
before reduction. True is returned if there's a merge operation
processed.  LOADED_SYMBOLS is number of symbols that were loaded
in WPA.

References dbg_cnt(), ipa_icf::sem_item::decl, DECL_ATTRIBUTES, DECL_NAME, DECL_STRUCT_FUNCTION, DECL_UID, symtab_node::dump_asm_name(), dump_enabled_p(), dump_file, dump_flags, symtab_node::dump_name(), dump_printf_loc(), ipa_icf::sem_item::dump_to_file(), fixup_points_to_sets(), FOR_EACH_SSA_NAME, FOR_EACH_VEC_ELT, dump_user_location_t::from_function_decl(), ipa_icf::FUNC, gcc_checking_assert, i, lookup_attribute(), m_classes, m_classes_count, m_items, m_merged_variables, MAIN_NAME_P, ipa_icf::congruence_class::members, ipa_icf::sem_item::merge(), MSG_OPTIMIZED_LOCATIONS, ipa_icf::sem_item::node, NULL, POINTER_TYPE_P, ipa_icf::sort_congruence_class_groups_by_decl_uid(), ipa_icf::sort_congruence_classes_by_decl_uid(), ipa_icf::sort_sem_items_by_decl_uid(), SSA_NAME_PTR_INFO, SSA_NAME_RANGE_INFO, TDF_DETAILS, TREE_TYPE, ipa_icf::sem_item::type, and ipa_icf::VAR.

Referenced by execute().

◆ parse_funcs_and_vars()

void ipa_icf::sem_item_optimizer::parse_funcs_and_vars ( void )

Function responsible for visiting all potential functions and
read-only variables that can be merged.

References FOR_EACH_DEFINED_FUNCTION, FOR_EACH_DEFINED_VARIABLE, m_bmstack, m_items, m_symtab_node_map, ipa_icf::sem_function::parse(), and ipa_icf::sem_variable::parse().

Referenced by ipa_icf::ipa_icf_generate_summary().

◆ parse_nonsingleton_classes()

unsigned int ipa_icf::sem_item_optimizer::parse_nonsingleton_classes ( void )

private

Semantic items in classes having more than one element and initialized.
In case of WPA, we load function body.

References dump_file, i, and m_items.

Referenced by execute().

◆ process_cong_reduction()

void ipa_icf::sem_item_optimizer::process_cong_reduction ( void )

private

Iterative congruence reduction function.

References do_congruence_step(), dump_file, dump_flags, fmt_size_t, HOST_SIZE_T_PRINT_UNSIGNED, i, m_classes, NULL, subdivide_classes_by_sensitive_refs(), TDF_DETAILS, worklist, worklist_pop(), and worklist_push().

Referenced by execute().

◆ read_section()

void ipa_icf::sem_item_optimizer::read_section	(	lto_file_decl_data *	file_data,
		const char *	data,
		size_t	len )

private

Reads a section from LTO stream file FILE_DATA. Input block for DATA
contains LEN bytes.

References inchash::hash::add_int(), lto_function_header::cfg_size, count, symtab_node::definition, dyn_cast(), inchash::hash::end(), gcc_assert, get_deref_alias_set(), i, INCREMENTAL_LINK_LTO, is_a(), lto_data_in_create(), lto_data_in_delete(), lto_free_section_data(), LTO_section_ipa_icf, lto_symtab_encoder_deref(), ipa_icf::sem_function::m_alias_sets_hash, m_bmstack, m_items, lto_simple_header::main_size, ipa_icf::sem_function::memory_access_types, NULL, ipa_icf::sem_item::set_hash(), stream_read_tree, streamer_read_uhwi(), lto_simple_header_with_strings::string_size, lto_file_decl_data::symtab_node_encoder, and vNULL.

Referenced by read_summary().

◆ read_summary()

void ipa_icf::sem_item_optimizer::read_summary ( void )

Read IPA ICF summary for symbols.

References lto_get_file_decl_data(), lto_get_summary_section_data(), LTO_section_ipa_icf, and read_section().

Referenced by ipa_icf::ipa_icf_read_summary().

◆ register_hooks()

void ipa_icf::sem_item_optimizer::register_hooks ( void )

Register callgraph and varpool hooks.

References symbol_table::add_cgraph_removal_hook(), symbol_table::add_varpool_removal_hook(), cgraph_removal_hook(), m_cgraph_node_hooks, m_varpool_node_hooks, symtab, and varpool_removal_hook().

Referenced by ipa_icf::ipa_icf_generate_summary(), and ipa_icf::ipa_icf_read_summary().

◆ release_split_map()

bool ipa_icf::sem_item_optimizer::release_split_map	(	congruence_class *const &	cls,
		bitmap const &	b,
		traverse_split_pair *	pair )

staticprivate

Disposes split map traverse function. CLS_PTR is pointer to congruence
class, BSLOT is bitmap slot we want to release. DATA is mandatory,
but unused argument.

References b, and BITMAP_FREE.

Referenced by do_congruence_step_for_index().

◆ remove_item()

void ipa_icf::sem_item_optimizer::remove_item ( sem_item * item )

References m_symtab_node_map, and ipa_icf::sem_item::node.

Referenced by filter_removed_items().

◆ remove_symtab_node()

void ipa_icf::sem_item_optimizer::remove_symtab_node ( symtab_node * node )

Remove symtab NODE triggered by symtab removal hooks.

References hash_set< KeyId, Lazy, Traits >::add(), gcc_assert, m_classes, and m_removed_items_set.

Referenced by cgraph_removal_hook(), and varpool_removal_hook().

◆ sort_congruence_split()

int ipa_icf::sem_item_optimizer::sort_congruence_split	(	const void *	a_,
		const void *	b_ )

staticprivate

Compare function for sorting pairs in do_congruence_step_f.

References a, and b.

Referenced by do_congruence_step_for_index().

◆ subdivide_classes_by_equality()

void ipa_icf::sem_item_optimizer::subdivide_classes_by_equality ( bool in_wpa = false )

private

Equality function for semantic items is used to subdivide existing
classes. If IN_WPA, fast equality function is invoked.

References add_item_to_class(), checking_verify_classes(), class_id, ipa_icf::sem_item::equals(), ipa_icf::sem_item::equals_wpa(), i, m_classes, m_classes_count, m_symtab_node_map, and ipa_icf::congruence_class::members.

Referenced by execute().

◆ subdivide_classes_by_sensitive_refs()

unsigned ipa_icf::sem_item_optimizer::subdivide_classes_by_sensitive_refs ( )

private

Subdivide classes by address references that members of the class
reference. Example can be a pair of functions that have an address
taken from a function. If these addresses are different the class
is split.

References add_item_to_class(), class_id, gcc_checking_assert, i, m_classes, m_classes_count, ipa_icf::congruence_class::members, ipa_icf::sem_item::node, and worklist_push().

Referenced by process_cong_reduction().

◆ traverse_congruence_split()

bool ipa_icf::sem_item_optimizer::traverse_congruence_split	(	congruence_class *const &	cls,
		bitmap const &	b,
		traverse_split_pair *	pair )

staticprivate

Process split operation for a class given as pointer CLS_PTR,
where bitmap B splits congruence class members. DATA is used
as argument of split pair.

References add_class(), add_item_to_class(), b, bitmap_bit_p, bitmap_count_bits(), class_id, ipa_icf::congruence_class::dump(), dump(), dump_file, dump_flags, g, gcc_assert, i, ipa_icf::congruence_class::in_worklist, m_classes, m_classes_count, ipa_icf::congruence_class::members, ipa_icf::optimizer, splitter_class_removed, TDF_DETAILS, and worklist_push().

Referenced by do_congruence_step_for_index().

◆ unregister_hooks()

void ipa_icf::sem_item_optimizer::unregister_hooks ( void )

Unregister callgraph and varpool hooks.

References m_cgraph_node_hooks, m_varpool_node_hooks, symbol_table::remove_cgraph_removal_hook(), symbol_table::remove_varpool_removal_hook(), and symtab.

Referenced by execute().

◆ update_hash_by_addr_refs()

void ipa_icf::sem_item_optimizer::update_hash_by_addr_refs ( )

private

For each semantic item, append hash values of references.

References inchash::hash::add_hwi(), contains_polymorphic_type_p(), DECL_ASSEMBLER_NAME, DECL_ASSEMBLER_NAME_SET_P, DECL_CXX_CONSTRUCTOR_P, inchash::hash::end(), ipa_icf::FUNC, gcc_checking_assert, i, IDENTIFIER_HASH_VALUE, m_items, m_symtab_node_map, TREE_CODE, TREE_TYPE, type_in_anonymous_namespace_p(), TYPE_MAIN_VARIANT, TYPE_METHOD_BASETYPE, TYPE_NAME, and TYPE_UID.

Referenced by execute().

◆ update_hash_by_memory_access_type()

void ipa_icf::sem_item_optimizer::update_hash_by_memory_access_type ( )

private

References inchash::hash::add_int(), inchash::hash::end(), ipa_icf::FUNC, ipa_icf::sem_function::get_hash(), i, ipa_icf::sem_function::m_alias_sets_hash, m_items, and ipa_icf::sem_item::set_hash().

Referenced by execute().

◆ varpool_removal_hook()

void ipa_icf::sem_item_optimizer::varpool_removal_hook	(	varpool_node *	node,
		void *	data )

static

Varpool removal hook called for a NODE with a custom DATA.

References ipa_icf::optimizer, and remove_symtab_node().

Referenced by register_hooks().

◆ verify_classes()

void ipa_icf::sem_item_optimizer::verify_classes ( void )

Verify congruence classes.

References ipa_icf::sem_item::cls, gcc_assert, i, m_classes, and ipa_icf::congruence_class::members.

Referenced by checking_verify_classes().

◆ worklist_pop()

congruence_class * ipa_icf::sem_item_optimizer::worklist_pop ( void )

private

Pops a class from worklist.

References ipa_icf::congruence_class::in_worklist, NULL, and worklist.

Referenced by process_cong_reduction().

◆ worklist_push()

void ipa_icf::sem_item_optimizer::worklist_push ( congruence_class * cls )

private

Adds a newly created congruence class CLS to worklist.

References ipa_icf::congruence_class::in_worklist, ipa_icf::congruence_class::referenced_by_count, and worklist.

Referenced by process_cong_reduction(), subdivide_classes_by_sensitive_refs(), and traverse_congruence_split().

◆ write_summary()

void ipa_icf::sem_item_optimizer::write_summary ( void )

Write IPA ICF summary for symbols.

References count, create_output_block(), output_block::decl_state, destroy_output_block(), ipa_icf::FUNC, i, lsei_end_p(), lsei_next_in_partition(), lsei_node(), lsei_start_in_partition(), LTO_section_ipa_icf, lto_symtab_encoder_encode(), m_symtab_node_map, output_block::main_stream, ipa_icf::sem_function::memory_access_types, NULL, produce_asm(), stream_write_tree, streamer_write_char_stream(), streamer_write_uhwi(), streamer_write_uhwi_stream(), output_block::symbol, and lto_out_decl_state::symtab_node_encoder.

Referenced by ipa_icf::ipa_icf_write_summary().

Field Documentation

◆ class_id

unsigned int ipa_icf::sem_item_optimizer::class_id = 0

staticprivate

Referenced by build_hash_based_classes(), subdivide_classes_by_equality(), subdivide_classes_by_sensitive_refs(), and traverse_congruence_split().

◆ m_bmstack

bitmap_obstack ipa_icf::sem_item_optimizer::m_bmstack

private

Referenced by do_congruence_step(), do_congruence_step_for_index(), parse_funcs_and_vars(), read_section(), sem_item_optimizer(), and ~sem_item_optimizer().

◆ m_cgraph_node_hooks

cgraph_node_hook_list* ipa_icf::sem_item_optimizer::m_cgraph_node_hooks

private

Referenced by register_hooks(), and unregister_hooks().

◆ m_classes

hash_table<congruence_class_hash> ipa_icf::sem_item_optimizer::m_classes

private

Referenced by dump_cong_classes(), get_group_by_hash(), merge_classes(), process_cong_reduction(), remove_symtab_node(), subdivide_classes_by_equality(), subdivide_classes_by_sensitive_refs(), traverse_congruence_split(), verify_classes(), and ~sem_item_optimizer().

◆ m_classes_count

unsigned int ipa_icf::sem_item_optimizer::m_classes_count

private

Referenced by build_hash_based_classes(), execute(), merge_classes(), subdivide_classes_by_equality(), subdivide_classes_by_sensitive_refs(), and traverse_congruence_split().

◆ m_items

vec<sem_item *> ipa_icf::sem_item_optimizer::m_items

private

Referenced by build_graph(), build_hash_based_classes(), dump_cong_classes(), filter_removed_items(), merge_classes(), parse_funcs_and_vars(), parse_nonsingleton_classes(), read_section(), sem_item_optimizer(), update_hash_by_addr_refs(), update_hash_by_memory_access_type(), and ~sem_item_optimizer().

◆ m_merged_variables

vec<symtab_pair> ipa_icf::sem_item_optimizer::m_merged_variables

private

Referenced by fixup_points_to_sets(), fixup_pt_set(), merge_classes(), and ~sem_item_optimizer().

◆ m_references

ref_map ipa_icf::sem_item_optimizer::m_references

private

Referenced by build_graph(), and do_congruence_step_for_index().

◆ m_removed_items_set

hash_set<symtab_node *> ipa_icf::sem_item_optimizer::m_removed_items_set

private

Referenced by filter_removed_items(), and remove_symtab_node().

◆ m_symtab_node_map

hash_map<symtab_node *, sem_item *> ipa_icf::sem_item_optimizer::m_symtab_node_map

private

Referenced by build_graph(), parse_funcs_and_vars(), remove_item(), subdivide_classes_by_equality(), update_hash_by_addr_refs(), and write_summary().

◆ m_varpool_node_hooks

varpool_node_hook_list* ipa_icf::sem_item_optimizer::m_varpool_node_hooks

private

Referenced by register_hooks(), and unregister_hooks().

◆ splitter_class_removed

bool ipa_icf::sem_item_optimizer::splitter_class_removed

private

Referenced by do_congruence_step(), do_congruence_step_for_index(), and traverse_congruence_split().

◆ worklist

fibonacci_heap<unsigned, congruence_class> ipa_icf::sem_item_optimizer::worklist

Referenced by process_cong_reduction(), worklist_pop(), and worklist_push().

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

Public Member Functions

Static Public Member Functions

Data Fields

Private Member Functions

Static Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ sem_item_optimizer()

◆ ~sem_item_optimizer()

Member Function Documentation

◆ add_class()

◆ add_item_to_class()

◆ build_graph()

◆ build_hash_based_classes()

◆ cgraph_removal_hook()

◆ checking_verify_classes()

◆ do_congruence_step()

◆ do_congruence_step_for_index()

◆ dump()

◆ dump_cong_classes()

◆ execute()

◆ filter_removed_items()

◆ fixup_points_to_sets()

◆ fixup_pt_set()

◆ get_group_by_hash()

◆ merge_classes()

◆ parse_funcs_and_vars()

◆ parse_nonsingleton_classes()

◆ process_cong_reduction()

◆ read_section()

◆ read_summary()

◆ register_hooks()

◆ release_split_map()

◆ remove_item()

◆ remove_symtab_node()

◆ sort_congruence_split()

◆ subdivide_classes_by_equality()

◆ subdivide_classes_by_sensitive_refs()

◆ traverse_congruence_split()

◆ unregister_hooks()

◆ update_hash_by_addr_refs()

◆ update_hash_by_memory_access_type()

◆ varpool_removal_hook()

◆ verify_classes()

◆ worklist_pop()

◆ worklist_push()

◆ write_summary()

Field Documentation

◆ class_id

◆ m_bmstack

◆ m_cgraph_node_hooks

◆ m_classes

◆ m_classes_count

◆ m_items

◆ m_merged_variables

◆ m_references

◆ m_removed_items_set

◆ m_symtab_node_map

◆ m_varpool_node_hooks

◆ splitter_class_removed

◆ worklist