[PATCH 2/4] Remove unused functions and fields.

[Jeff Law]

On 9/22/18 1:08 PM, marxin wrote:
> 
> gcc/ChangeLog:
> 
> 2018-09-24  Martin Liska  <mliska@suse.cz>
> 
> 	* alias.c (set_dest_equal_p): Remove unused function.
> 	* config/i386/i386.c (def_builtin_pure2): Likewise.
> 	* diagnostic-show-locus.c (class layout): Remove
> 	unused field.
> 	(layout::layout): Likewise here.
> 	* dump-context.h (class temp_dump_context): Likewise.
> 	* dwarf2out.c (add_AT_fde_ref): Remove unused function.
> 	(add_AT_loclistsptr): Likewise.
> 	(add_AT_offset): Likewise.
> 	(get_AT_hi_pc): Likewise.
> 	(is_comdat_die): Likewise.
> 	(type_is_enum): Likewise.
> 	(ceiling): Likewise.
> 	(add_AT_vms_delta): Likewise.
> 	(is_class_die): Likewise.
> 	* edit-context.c (class line_event): Remove unused field.
> 	* graphite-sese-to-poly.c (tree_int_to_gmp): Remove
> 	unused function.
> 	* ipa-cp.c (ipa_get_vr_lat): Likewise.
> 	* lra-constraints.c (ok_for_index_p_nonstrict): Likewise.
> 	(ok_for_base_p_nonstrict): Likewise.
> 	* tree-chrec.c (is_not_constant_evolution): Likewise.
> 	(chrec_fold_poly_cst): Likewise.
> 	* tree-if-conv.c (has_pred_critical_p): Likewise.
> 	* tree-ssa-coalesce.c (print_exprs): Likewise.
> 	* tree-ssa-pre.c (bitmap_set_contains_expr): Likewise.
> 	* tree-ssa-uninit.c (is_and_or_or_p): Likewise.
> 	* tree-vrp.c (value_ranges_intersect_p): Likewise.
> 	(value_range_nonnegative_p): Likewise.
> 
> gcc/cp/ChangeLog:
> 
> 2018-09-24  Martin Liska  <mliska@suse.cz>
> 
> 	* name-lookup.c (namespace_scope_ht_size): Remove
> 	unused function.
> 	* parser.c (cp_lexer_next_token_is_not_keyword): Likewise.
> 
> gcc/fortran/ChangeLog:
> 
> 2018-09-24  Martin Liska  <mliska@suse.cz>
> 
> 	* trans.c (remove_suffix): Remove
> 	unused function.
> 
> gcc/go/ChangeLog:
> 
> 2018-09-24  Martin Liska  <mliska@suse.cz>
> 
> 	* gofrontend/escape.cc (Gogo::analyze_escape): Remove
> 	usage of a parameter.
> 	(Gogo::assign_connectivity): Likewise.
> 	(class Escape_analysis_tag): Likewise.
> 	(Gogo::tag_function): Likewise.
> 	* gofrontend/expressions.cc (Call_expression::do_type): Likewise.
> 	* gofrontend/gogo.h (class Gogo): Likewise.
> 	* gofrontend/types.cc (class Call_multiple_result_type): Likewise.
> 	(Type::make_call_multiple_result_type): Likewise.
> 	* gofrontend/types.h (class Type): Likewise.
> 	* gofrontend/wb.cc (class Check_escape): Likewise.
> 	(Gogo::add_write_barriers): Likewise.
Note that some of these may be used inside conditional code.  For
example the add_AT_vms_delta is used by ia64-vms.  You could argue that
ia64-vms is a zombie and should be removed, but the general concern WRT
conditionally compiled code holds.

Jeff