Here is a list of all variables with links to the structures/unions they belong to:

- f -

f : cgraph_order_sort, traversal_state
factor : omp_for_data, repeat_factor, rgroup_controls
factors : pow_synth_sqrt_info
fail : hw_doloop_hooks
failed : _slp_tree, operand_rr_info
failure : geh_filter, note_add_store_info
failure_decl : eh_region_d::eh_region_u::eh_region_u_must_not_throw
failure_loc : eh_region_d::eh_region_u::eh_region_u_must_not_throw
failure_reason : insn_propagation
failures : pointer_query
fake : arc_info
fall_through : arc_info
fallthru_label : leh_tf_state
false_range : unswitch_predicate
false_region : ifsese_s
false_value : arc_info
falseexpr : if_expr
falsev : condition_info
farg_name : ctf_func_arg
farg_name_offset : ctf_func_arg
farg_next : ctf_func_arg
farg_type : ctf_func_arg
farthest_offset : hwasan_stack_var
fast : check_argument_load_data
father : et_node
fbit : mode_data
fcode : optab_def
fd : lockfile
fde : function
fde_index : dw_fde_node
fdo : profile_record
feedback : bb_stats
fence : _list_node
fetch_after : atomic_op_functions
fetch_before : atomic_op_functions
field : name_to_copy_elt, oc_local_state, reduction_info
field_map : nesting_info, omp_context
field_mode : extraction_insn
fields : type
file : fileloc, gcov_var, lto_location_cache::cached_location, mode_adjust, mode_data, print_options
file_data : data_in, lto_input_block
file_idx : file_info
file_name : lto_file_decl_data
file_num : dw_line_info_table
file_time : source_info
filename : dwarf_file_data, file_location, location_triplet, lockfile, temp_name, user_specs
filename_length : temp_name
files : file_name_acquire_data
filter : action_record, constraint_data, eh_region_d::eh_region_u::eh_region_u_allowed, ttypes_filter
filter_list : eh_catch_d
filter_reg : eh_region_d
final : gimple_omp_for_iter
final_absence_list : unit_decl
final_p : remove_unreachable, unit_pattern_rel_decl
final_presence_list : unit_decl
finalize_early_debug : lang_hooks
finalize_fun : df_problem
finalizers : ggc_globals
find_builtin : iterator_group
fini : symbol_priority_map
fini_ref : reduction
fini_seq : chain
finis : chain
finish : gcc_debug_hooks, lang_hooks, live_range, lra_live_range
finish_incomplete_decl : lang_hooks
finish_next : live_range
finite_p : loop
first : allocno_hard_regs_node, bitmap_head, coalesce_data, dr_with_seg_len_pair_t, du_head, hash_map< KeyId, Value, Traits >::iterator::reference_pair, head, ira_allocno_copy, list_head< T >, lto_object_list, no_conflict_data, note_add_store_info, ordered_hash_map< KeyId, Value, Traits >::iterator::reference_pair, pseudo_slot, regno_assign_info, rtx_constant_pool, seq_entry, sequence_stack, strinfo, trace, type_pair, var_loc_list_def
first_ainsn_with_given_equivalence_num : ainsn
first_automaton : description
first_base_set : vn_walk_cb_data
first_block : lto_output_stream
first_catch : eh_region_d::eh_region_u::eh_region_u_try
first_child : access, gensum_param_access
first_clobber : clobber_pat
first_conversion_insn : assign_parm_data_all
first_dt : _slp_oprnd_info
first_element : _stmt_vec_info, coalesce_pair, cost_one_pair
first_gs_info : _slp_oprnd_info
first_gs_p : _slp_oprnd_info
first_idx : inter_bb_range_test_entry
first_inner_iterations : omp_for_data
first_insn : attr_value
first_insn_with_same_reservs : ainsn
first_instance : overloaded_name
first_interp : slsr_cand_d
first_lhs_link : access
first_list_length : excl_rel_decl
first_new_block : opt_info
first_nonrect : omp_for_data
first_note : ddg_node
first_op_type : _slp_oprnd_info
first_out_arc : state
first_p : saved_hard_reg
first_range : vn_walk_cb_data
first_reg : qty_table_elem
first_rhs_link : access
first_same_value : table_elt
first_set : reg_avail_info, vn_walk_cb_data
FIRST_SPARE_RESULT : insn_propagation
first_special : rtx_iv
first_subclass : type
first_thread_allocno : allocno_color_data
first_time : add_to_obstack_info
first_value : attr_desc
fixed_cst_ptr : tree_fixed_cst
fixed_offset : thunk_info
fixed_regs_live : insn_info_type, note_add_store_info
flag : sanitizer_opts_s, sm_set_flag_if_changed, table_elt, zero_call_used_regs_opts_s
flag_bbs : sm_aux
flag_state : target_globals
flag_var_offset : cl_option
flags : basic_block_def, cl_enum_arg, cl_option, df_base_ref, df_mw_hardreg, dr_with_seg_len_pair_t, dump_info, edge_def, lto_section, oacc_loop, predictor_info, rtx_obj_reference, section_common, ssa_op_iter, succ_iterator, succs_info
fld : block_symbol, rtx_def::u
floats : value_range::buffer_type
flooded : variable_tracking_info
flow : fixup_edge_type
flow_call_edges_add : cfg_hooks
flush_pending_stmts : cfg_hooks
fn : fn_id, loops_list, operands_scanner, vect_recog_func
fn_decl : coverage_data, lto_in_decl_state, lto_out_decl_state
fn_from : hashable_expr
fname : default_include, file_info, md_reader::file_name_list, sinfo
fndecl : dwarf_procedure_info, geh_mnt
fns : conflict_function
fntype : gcall
fold_all_stmts : substitute_and_fold_engine
footer_ : rtl_bb_info
for_id : dt_operand
for_simd_scan_phase : omp_context
for_stmt : omp_for_data
for_subst_vec : simplify
for_vec : simplify
force : dw_loc_list_struct
force_leaf : expr
force_load_ref : ipa_replace_map
force_no_side_effects : capture_info
force_no_side_effects_p : capture_info::cinfo
force_nonfallthru : cfg_hooks
force_output : symtab_node
force_single_cycle : _stmt_vec_info
force_single_use : capture_info::cinfo, expr
force_vectorize : loop
forced_by_abi : symtab_node
fork_stmt : parallel_g
forked_block : parallel_g
forked_stmt : parallel_g
form : inc_insn, indirect_string_node
formal_id : ipa_ancestor_jf_data, ipa_pass_through_data
format : mode_data, rtx_definition
former_clone_of : cgraph_node
former_header : loop
forwarded : store_fwd_info
found : set_of_data
found_deps : _sel_insn_data
found_may_defs : check_defs_data
fp_expressions : ipa_fn_summary
fpsimd_p : lfs_fields
fragile : omp_mapping_group
frame_decl : nesting_info
frame_offset_rel : dw_loc_descr_node
frame_pointer_needed : rtl_data
frame_read : insn_info_type
frame_related : group_info, rtx_def
frame_space_list : rtl_data
frame_type : nesting_info
free_bb_fun : df_problem
free_blocks_on_set_blocks : df_problem
free_fun : df_problem
free_lang_data : lang_hooks
free_list : dump_info
free_pages : ggc_globals
free_ssanames : gimple_df
free_ssanames_queue : gimple_df
free_uses : ssa_operands
freeing_call_events : sanopt_info
freelist_size : memory_block_pool
frees : undobuf
freq : ipa_freqcounting_predicate, ira_allocno, ira_allocno_copy, ira_allocno_pref, lra_copy, lra_reg, reg_info_t, regno_assign_info
freq_sum : caller_statistics
frequency : block_info, cgraph_node
from : adjust_info, elim_table, elim_table_1, insn_propagation, lra_elim_table, move, onepart_aux, seq_entry, tm_alias_pair, transition, update_cost_queue_elem, validate_replace_src_data
from_context : move_stmt_d
from_global_func : ctf_dtdef
from_insn : base_cand
from_rtx : elim_table, lra_elim_table
from_state : DFS::worklist
full : acceptance_type
full_name : plugin_name_args
full_profile : control_flow_graph
full_size : temp_slot
full_string_p : strinfo
full_vect : state_ainsn_table
fullsize : variable_info
fun : array_bounds_checker, histogram_value_t
func : callback_info, insn_gen_fn, spec_function
func_flags : diagnose_tm
funcdef_no : function
funcdef_number : dw_fde_node
function : insn_data_d
function_abi_info : target_globals
function_decl : gcc_debug_hooks
function_decl_states : lto_file_decl_data
function_end_locus : function
function_flags_ready : symbol_table
function_parameter_pack_p : lang_hooks
function_parm_expanded_from_pack_p : lang_hooks_for_decls
function_result_decl : assign_parm_data_all
function_start_locus : function
function_symbol : ipa_propagate_frequency_data
function_transform : ipa_opt_pass_d
function_transform_todo_flags_start : ipa_opt_pass_d
function_used_regs : cgraph_rtl_info
functions : source_info
fv : rtx_def::u