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8sa1-gcc/gcc/tree-ssa-ifcombine.c
David Malcolm 27a4cd485d Automated conversion of passes to C++ classes 
gcc/

	Patch autogenerated by refactor_passes.py from
	https://github.com/davidmalcolm/gcc-refactoring-scripts
	revision 03fe39476a4c4ea450b49e087cfa817b5f92021e

	* asan.c (pass_asan): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_asan): ...new pass_data instance and...
	(make_pass_asan): ...new function.
	(pass_asan_O0): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_asan_O0): ...new pass_data instance and...
	(make_pass_asan_O0): ...new function.
	* auto-inc-dec.c (pass_inc_dec): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_inc_dec): ...new pass_data instance and...
	(make_pass_inc_dec): ...new function.
	* bb-reorder.c (pass_reorder_blocks): Convert from a global struct to
	a subclass of rtl_opt_pass along with...
	(pass_data_reorder_blocks): ...new pass_data instance and...
	(make_pass_reorder_blocks): ...new function.
	(pass_duplicate_computed_gotos): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_duplicate_computed_gotos): ...new pass_data instance and...
	(make_pass_duplicate_computed_gotos): ...new function.
	(pass_partition_blocks): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_partition_blocks): ...new pass_data instance and...
	(make_pass_partition_blocks): ...new function.
	* bt-load.c (pass_branch_target_load_optimize1): Convert from a global
	struct to a subclass of rtl_opt_pass along with...
	(pass_data_branch_target_load_optimize1): ...new pass_data instance
	and...
	(make_pass_branch_target_load_optimize1): ...new function.
	(pass_branch_target_load_optimize2): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_branch_target_load_optimize2): ...new pass_data instance
	and...
	(make_pass_branch_target_load_optimize2): ...new function.
	* cfgcleanup.c (pass_jump): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_jump): ...new pass_data instance and...
	(make_pass_jump): ...new function.
	(pass_jump2): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_jump2): ...new pass_data instance and...
	(make_pass_jump2): ...new function.
	* cfgexpand.c (pass_expand): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_expand): ...new pass_data instance and...
	(make_pass_expand): ...new function.
	* cfgrtl.c (pass_free_cfg): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_free_cfg): ...new pass_data instance and...
	(make_pass_free_cfg): ...new function.
	(pass_into_cfg_layout_mode): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_into_cfg_layout_mode): ...new pass_data instance and...
	(make_pass_into_cfg_layout_mode): ...new function.
	(pass_outof_cfg_layout_mode): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_outof_cfg_layout_mode): ...new pass_data instance and...
	(make_pass_outof_cfg_layout_mode): ...new function.
	* cgraphbuild.c (pass_build_cgraph_edges): Convert from a global
	struct to a subclass of gimple_opt_pass along with...
	(pass_data_build_cgraph_edges): ...new pass_data instance and...
	(make_pass_build_cgraph_edges): ...new function.
	(pass_rebuild_cgraph_edges): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_rebuild_cgraph_edges): ...new pass_data instance and...
	(make_pass_rebuild_cgraph_edges): ...new function.
	(pass_remove_cgraph_callee_edges): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_remove_cgraph_callee_edges): ...new pass_data instance
	and...
	(make_pass_remove_cgraph_callee_edges): ...new function.
	* combine-stack-adj.c (pass_stack_adjustments): Convert from a global
	struct to a subclass of rtl_opt_pass along with...
	(pass_data_stack_adjustments): ...new pass_data instance and...
	(make_pass_stack_adjustments): ...new function.
	* combine.c (pass_combine): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_combine): ...new pass_data instance and...
	(make_pass_combine): ...new function.
	* compare-elim.c (pass_compare_elim_after_reload): Convert from a
	global struct to a subclass of rtl_opt_pass along with...
	(pass_data_compare_elim_after_reload): ...new pass_data instance
	and...
	(make_pass_compare_elim_after_reload): ...new function.
	* cprop.c (pass_rtl_cprop): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_rtl_cprop): ...new pass_data instance and...
	(make_pass_rtl_cprop): ...new function.
	* cse.c (pass_cse): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_cse): ...new pass_data instance and...
	(make_pass_cse): ...new function.
	(pass_cse2): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_cse2): ...new pass_data instance and...
	(make_pass_cse2): ...new function.
	(pass_cse_after_global_opts): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_cse_after_global_opts): ...new pass_data instance and...
	(make_pass_cse_after_global_opts): ...new function.
	* dce.c (pass_ud_rtl_dce): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_ud_rtl_dce): ...new pass_data instance and...
	(make_pass_ud_rtl_dce): ...new function.
	(pass_fast_rtl_dce): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_fast_rtl_dce): ...new pass_data instance and...
	(make_pass_fast_rtl_dce): ...new function.
	* df-core.c (pass_df_initialize_opt): Convert from a global struct to
	a subclass of rtl_opt_pass along with...
	(pass_data_df_initialize_opt): ...new pass_data instance and...
	(make_pass_df_initialize_opt): ...new function.
	(pass_df_initialize_no_opt): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_df_initialize_no_opt): ...new pass_data instance and...
	(make_pass_df_initialize_no_opt): ...new function.
	(pass_df_finish): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_df_finish): ...new pass_data instance and...
	(make_pass_df_finish): ...new function.
	* dse.c (pass_rtl_dse1): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_rtl_dse1): ...new pass_data instance and...
	(make_pass_rtl_dse1): ...new function.
	(pass_rtl_dse2): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_rtl_dse2): ...new pass_data instance and...
	(make_pass_rtl_dse2): ...new function.
	* dwarf2cfi.c (pass_dwarf2_frame): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_dwarf2_frame): ...new pass_data instance and...
	(make_pass_dwarf2_frame): ...new function.
	* except.c (pass_set_nothrow_function_flags): Convert from a global
	struct to a subclass of rtl_opt_pass along with...
	(pass_data_set_nothrow_function_flags): ...new pass_data instance
	and...
	(make_pass_set_nothrow_function_flags): ...new function.
	(pass_convert_to_eh_region_ranges): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_convert_to_eh_region_ranges): ...new pass_data instance
	and...
	(make_pass_convert_to_eh_region_ranges): ...new function.
	* final.c (pass_compute_alignments): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_compute_alignments): ...new pass_data instance and...
	(make_pass_compute_alignments): ...new function.
	(pass_final): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_final): ...new pass_data instance and...
	(make_pass_final): ...new function.
	(pass_shorten_branches): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_shorten_branches): ...new pass_data instance and...
	(make_pass_shorten_branches): ...new function.
	(pass_clean_state): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_clean_state): ...new pass_data instance and...
	(make_pass_clean_state): ...new function.
	* function.c (pass_instantiate_virtual_regs): Convert from a global
	struct to a subclass of rtl_opt_pass along with...
	(pass_data_instantiate_virtual_regs): ...new pass_data instance and...
	(make_pass_instantiate_virtual_regs): ...new function.
	(pass_leaf_regs): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_leaf_regs): ...new pass_data instance and...
	(make_pass_leaf_regs): ...new function.
	(pass_thread_prologue_and_epilogue): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_thread_prologue_and_epilogue): ...new pass_data instance
	and...
	(make_pass_thread_prologue_and_epilogue): ...new function.
	(pass_match_asm_constraints): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_match_asm_constraints): ...new pass_data instance and...
	(make_pass_match_asm_constraints): ...new function.
	* fwprop.c (pass_rtl_fwprop): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_rtl_fwprop): ...new pass_data instance and...
	(make_pass_rtl_fwprop): ...new function.
	(pass_rtl_fwprop_addr): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_rtl_fwprop_addr): ...new pass_data instance and...
	(make_pass_rtl_fwprop_addr): ...new function.
	* gcse.c (pass_rtl_pre): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_rtl_pre): ...new pass_data instance and...
	(make_pass_rtl_pre): ...new function.
	(pass_rtl_hoist): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_rtl_hoist): ...new pass_data instance and...
	(make_pass_rtl_hoist): ...new function.
	* gimple-low.c (pass_lower_cf): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_lower_cf): ...new pass_data instance and...
	(make_pass_lower_cf): ...new function.
	* gimple-ssa-strength-reduction.c (pass_strength_reduction): Convert
	from a global struct to a subclass of gimple_opt_pass along with...
	(pass_data_strength_reduction): ...new pass_data instance and...
	(make_pass_strength_reduction): ...new function.
	* ifcvt.c (pass_rtl_ifcvt): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_rtl_ifcvt): ...new pass_data instance and...
	(make_pass_rtl_ifcvt): ...new function.
	(pass_if_after_combine): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_if_after_combine): ...new pass_data instance and...
	(make_pass_if_after_combine): ...new function.
	(pass_if_after_reload): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_if_after_reload): ...new pass_data instance and...
	(make_pass_if_after_reload): ...new function.
	* init-regs.c (pass_initialize_regs): Convert from a global struct to
	a subclass of rtl_opt_pass along with...
	(pass_data_initialize_regs): ...new pass_data instance and...
	(make_pass_initialize_regs): ...new function.
	* ipa-cp.c (pass_ipa_cp): Convert from a global struct to a subclass
	of ipa_opt_pass_d along with...
	(pass_data_ipa_cp): ...new pass_data instance and...
	(make_pass_ipa_cp): ...new function.
	* ipa-inline-analysis.c (pass_inline_parameters): Convert from a
	global struct to a subclass of gimple_opt_pass along with...
	(pass_data_inline_parameters): ...new pass_data instance and...
	(make_pass_inline_parameters): ...new function.
	* ipa-inline.c (pass_early_inline): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_early_inline): ...new pass_data instance and...
	(make_pass_early_inline): ...new function.
	(pass_ipa_inline): Convert from a global struct to a subclass of
	ipa_opt_pass_d along with...
	(pass_data_ipa_inline): ...new pass_data instance and...
	(make_pass_ipa_inline): ...new function.
	* ipa-pure-const.c (pass_local_pure_const): Convert from a global
	struct to a subclass of gimple_opt_pass along with...
	(pass_data_local_pure_const): ...new pass_data instance and...
	(make_pass_local_pure_const): ...new function.
	(pass_ipa_pure_const): Convert from a global struct to a subclass of
	ipa_opt_pass_d along with...
	(pass_data_ipa_pure_const): ...new pass_data instance and...
	(make_pass_ipa_pure_const): ...new function.
	* ipa-reference.c (pass_ipa_reference): Convert from a global struct
	to a subclass of ipa_opt_pass_d along with...
	(pass_data_ipa_reference): ...new pass_data instance and...
	(make_pass_ipa_reference): ...new function.
	* ipa-split.c (pass_split_functions): Convert from a global struct to
	a subclass of gimple_opt_pass along with...
	(pass_data_split_functions): ...new pass_data instance and...
	(make_pass_split_functions): ...new function.
	(pass_feedback_split_functions): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_feedback_split_functions): ...new pass_data instance and...
	(make_pass_feedback_split_functions): ...new function.
	* ipa.c (pass_ipa_function_and_variable_visibility): Convert from a
	global struct to a subclass of simple_ipa_opt_pass along with...
	(pass_data_ipa_function_and_variable_visibility): ...new pass_data
	instance and...
	(make_pass_ipa_function_and_variable_visibility): ...new function.
	(pass_ipa_free_inline_summary): Convert from a global struct to a
	subclass of simple_ipa_opt_pass along with...
	(pass_data_ipa_free_inline_summary): ...new pass_data instance and...
	(make_pass_ipa_free_inline_summary): ...new function.
	(pass_ipa_whole_program_visibility): Convert from a global struct to a
	subclass of ipa_opt_pass_d along with...
	(pass_data_ipa_whole_program_visibility): ...new pass_data instance
	and...
	(make_pass_ipa_whole_program_visibility): ...new function.
	(pass_ipa_profile): Convert from a global struct to a subclass of
	ipa_opt_pass_d along with...
	(pass_data_ipa_profile): ...new pass_data instance and...
	(make_pass_ipa_profile): ...new function.
	(pass_ipa_cdtor_merge): Convert from a global struct to a subclass of
	ipa_opt_pass_d along with...
	(pass_data_ipa_cdtor_merge): ...new pass_data instance and...
	(make_pass_ipa_cdtor_merge): ...new function.
	* ira.c (pass_ira): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_ira): ...new pass_data instance and...
	(make_pass_ira): ...new function.
	(pass_reload): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_reload): ...new pass_data instance and...
	(make_pass_reload): ...new function.
	* jump.c (pass_cleanup_barriers): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_cleanup_barriers): ...new pass_data instance and...
	(make_pass_cleanup_barriers): ...new function.
	* loop-init.c (pass_loop2): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_loop2): ...new pass_data instance and...
	(make_pass_loop2): ...new function.
	(pass_rtl_loop_init): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_rtl_loop_init): ...new pass_data instance and...
	(make_pass_rtl_loop_init): ...new function.
	(pass_rtl_loop_done): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_rtl_loop_done): ...new pass_data instance and...
	(make_pass_rtl_loop_done): ...new function.
	(pass_rtl_move_loop_invariants): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_rtl_move_loop_invariants): ...new pass_data instance and...
	(make_pass_rtl_move_loop_invariants): ...new function.
	(pass_rtl_unswitch): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_rtl_unswitch): ...new pass_data instance and...
	(make_pass_rtl_unswitch): ...new function.
	(pass_rtl_unroll_and_peel_loops): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_rtl_unroll_and_peel_loops): ...new pass_data instance
	and...
	(make_pass_rtl_unroll_and_peel_loops): ...new function.
	(pass_rtl_doloop): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_rtl_doloop): ...new pass_data instance and...
	(make_pass_rtl_doloop): ...new function.
	* lower-subreg.c (pass_lower_subreg): Convert from a global struct to
	a subclass of rtl_opt_pass along with...
	(pass_data_lower_subreg): ...new pass_data instance and...
	(make_pass_lower_subreg): ...new function.
	(pass_lower_subreg2): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_lower_subreg2): ...new pass_data instance and...
	(make_pass_lower_subreg2): ...new function.
	* lto-streamer-out.c (pass_ipa_lto_gimple_out): Convert from a global
	struct to a subclass of ipa_opt_pass_d along with...
	(pass_data_ipa_lto_gimple_out): ...new pass_data instance and...
	(make_pass_ipa_lto_gimple_out): ...new function.
	(pass_ipa_lto_finish_out): Convert from a global struct to a subclass
	of ipa_opt_pass_d along with...
	(pass_data_ipa_lto_finish_out): ...new pass_data instance and...
	(make_pass_ipa_lto_finish_out): ...new function.
	* mode-switching.c (pass_mode_switching): Convert from a global struct
	to a subclass of rtl_opt_pass along with...
	(pass_data_mode_switching): ...new pass_data instance and...
	(make_pass_mode_switching): ...new function.
	* modulo-sched.c (pass_sms): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_sms): ...new pass_data instance and...
	(make_pass_sms): ...new function.
	* omp-low.c (pass_expand_omp): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_expand_omp): ...new pass_data instance and...
	(make_pass_expand_omp): ...new function.
	(pass_lower_omp): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_lower_omp): ...new pass_data instance and...
	(make_pass_lower_omp): ...new function.
	(pass_diagnose_omp_blocks): Convert from a global struct to a subclass
	of gimple_opt_pass along with...
	(pass_data_diagnose_omp_blocks): ...new pass_data instance and...
	(make_pass_diagnose_omp_blocks): ...new function.
	* passes.c (pass_early_local_passes): Convert from a global struct to
	a subclass of simple_ipa_opt_pass along with...
	(pass_data_early_local_passes): ...new pass_data instance and...
	(make_pass_early_local_passes): ...new function.
	(pass_all_early_optimizations): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_all_early_optimizations): ...new pass_data instance and...
	(make_pass_all_early_optimizations): ...new function.
	(pass_all_optimizations): Convert from a global struct to a subclass
	of gimple_opt_pass along with...
	(pass_data_all_optimizations): ...new pass_data instance and...
	(make_pass_all_optimizations): ...new function.
	(pass_all_optimizations_g): Convert from a global struct to a subclass
	of gimple_opt_pass along with...
	(pass_data_all_optimizations_g): ...new pass_data instance and...
	(make_pass_all_optimizations_g): ...new function.
	(pass_rest_of_compilation): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_rest_of_compilation): ...new pass_data instance and...
	(make_pass_rest_of_compilation): ...new function.
	(pass_postreload): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_postreload): ...new pass_data instance and...
	(make_pass_postreload): ...new function.
	* postreload-gcse.c (pass_gcse2): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_gcse2): ...new pass_data instance and...
	(make_pass_gcse2): ...new function.
	* postreload.c (pass_postreload_cse): Convert from a global struct to
	a subclass of rtl_opt_pass along with...
	(pass_data_postreload_cse): ...new pass_data instance and...
	(make_pass_postreload_cse): ...new function.
	* predict.c (pass_profile): Convert from a global struct to a subclass
	of gimple_opt_pass along with...
	(pass_data_profile): ...new pass_data instance and...
	(make_pass_profile): ...new function.
	(pass_strip_predict_hints): Convert from a global struct to a subclass
	of gimple_opt_pass along with...
	(pass_data_strip_predict_hints): ...new pass_data instance and...
	(make_pass_strip_predict_hints): ...new function.
	* recog.c (pass_peephole2): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_peephole2): ...new pass_data instance and...
	(make_pass_peephole2): ...new function.
	(pass_split_all_insns): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_split_all_insns): ...new pass_data instance and...
	(make_pass_split_all_insns): ...new function.
	(pass_split_after_reload): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_split_after_reload): ...new pass_data instance and...
	(make_pass_split_after_reload): ...new function.
	(pass_split_before_regstack): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_split_before_regstack): ...new pass_data instance and...
	(make_pass_split_before_regstack): ...new function.
	(pass_split_before_sched2): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_split_before_sched2): ...new pass_data instance and...
	(make_pass_split_before_sched2): ...new function.
	(pass_split_for_shorten_branches): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_split_for_shorten_branches): ...new pass_data instance
	and...
	(make_pass_split_for_shorten_branches): ...new function.
	* ree.c (pass_ree): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_ree): ...new pass_data instance and...
	(make_pass_ree): ...new function.
	* reg-stack.c (pass_stack_regs): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_stack_regs): ...new pass_data instance and...
	(make_pass_stack_regs): ...new function.
	(pass_stack_regs_run): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_stack_regs_run): ...new pass_data instance and...
	(make_pass_stack_regs_run): ...new function.
	* regcprop.c (pass_cprop_hardreg): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_cprop_hardreg): ...new pass_data instance and...
	(make_pass_cprop_hardreg): ...new function.
	* reginfo.c (pass_reginfo_init): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_reginfo_init): ...new pass_data instance and...
	(make_pass_reginfo_init): ...new function.
	* regmove.c (pass_regmove): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_regmove): ...new pass_data instance and...
	(make_pass_regmove): ...new function.
	* regrename.c (pass_regrename): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_regrename): ...new pass_data instance and...
	(make_pass_regrename): ...new function.
	* reorg.c (pass_delay_slots): Convert from a global struct to a
	subclass of rtl_opt_pass along with...
	(pass_data_delay_slots): ...new pass_data instance and...
	(make_pass_delay_slots): ...new function.
	(pass_machine_reorg): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_machine_reorg): ...new pass_data instance and...
	(make_pass_machine_reorg): ...new function.
	* sched-rgn.c (pass_sched): Convert from a global struct to a subclass
	of rtl_opt_pass along with...
	(pass_data_sched): ...new pass_data instance and...
	(make_pass_sched): ...new function.
	(pass_sched2): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_sched2): ...new pass_data instance and...
	(make_pass_sched2): ...new function.
	* stack-ptr-mod.c (pass_stack_ptr_mod): Convert from a global struct
	to a subclass of rtl_opt_pass along with...
	(pass_data_stack_ptr_mod): ...new pass_data instance and...
	(make_pass_stack_ptr_mod): ...new function.
	* store-motion.c (pass_rtl_store_motion): Convert from a global struct
	to a subclass of rtl_opt_pass along with...
	(pass_data_rtl_store_motion): ...new pass_data instance and...
	(make_pass_rtl_store_motion): ...new function.
	* tracer.c (pass_tracer): Convert from a global struct to a subclass
	of gimple_opt_pass along with...
	(pass_data_tracer): ...new pass_data instance and...
	(make_pass_tracer): ...new function.
	* trans-mem.c (pass_diagnose_tm_blocks): Convert from a global struct
	to a subclass of gimple_opt_pass along with...
	(pass_data_diagnose_tm_blocks): ...new pass_data instance and...
	(make_pass_diagnose_tm_blocks): ...new function.
	(pass_lower_tm): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_lower_tm): ...new pass_data instance and...
	(make_pass_lower_tm): ...new function.
	(pass_tm_init): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_tm_init): ...new pass_data instance and...
	(make_pass_tm_init): ...new function.
	(pass_tm_mark): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_tm_mark): ...new pass_data instance and...
	(make_pass_tm_mark): ...new function.
	(pass_tm_edges): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_tm_edges): ...new pass_data instance and...
	(make_pass_tm_edges): ...new function.
	(pass_tm_memopt): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_tm_memopt): ...new pass_data instance and...
	(make_pass_tm_memopt): ...new function.
	(pass_ipa_tm): Convert from a global struct to a subclass of
	simple_ipa_opt_pass along with...
	(pass_data_ipa_tm): ...new pass_data instance and...
	(make_pass_ipa_tm): ...new function.
	* tree-call-cdce.c (pass_call_cdce): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_call_cdce): ...new pass_data instance and...
	(make_pass_call_cdce): ...new function.
	* tree-cfg.c (pass_build_cfg): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_build_cfg): ...new pass_data instance and...
	(make_pass_build_cfg): ...new function.
	(pass_split_crit_edges): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_split_crit_edges): ...new pass_data instance and...
	(make_pass_split_crit_edges): ...new function.
	(pass_warn_function_return): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_warn_function_return): ...new pass_data instance and...
	(make_pass_warn_function_return): ...new function.
	(pass_warn_function_noreturn): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_warn_function_noreturn): ...new pass_data instance and...
	(make_pass_warn_function_noreturn): ...new function.
	(pass_warn_unused_result): Convert from a global struct to a subclass
	of gimple_opt_pass along with...
	(pass_data_warn_unused_result): ...new pass_data instance and...
	(make_pass_warn_unused_result): ...new function.
	* tree-cfgcleanup.c (pass_merge_phi): Convert from a global struct to
	a subclass of gimple_opt_pass along with...
	(pass_data_merge_phi): ...new pass_data instance and...
	(make_pass_merge_phi): ...new function.
	* tree-complex.c (pass_lower_complex): Convert from a global struct to
	a subclass of gimple_opt_pass along with...
	(pass_data_lower_complex): ...new pass_data instance and...
	(make_pass_lower_complex): ...new function.
	(pass_lower_complex_O0): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_lower_complex_O0): ...new pass_data instance and...
	(make_pass_lower_complex_O0): ...new function.
	* tree-eh.c (pass_lower_eh): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_lower_eh): ...new pass_data instance and...
	(make_pass_lower_eh): ...new function.
	(pass_refactor_eh): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_refactor_eh): ...new pass_data instance and...
	(make_pass_refactor_eh): ...new function.
	(pass_lower_resx): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_lower_resx): ...new pass_data instance and...
	(make_pass_lower_resx): ...new function.
	(pass_lower_eh_dispatch): Convert from a global struct to a subclass
	of gimple_opt_pass along with...
	(pass_data_lower_eh_dispatch): ...new pass_data instance and...
	(make_pass_lower_eh_dispatch): ...new function.
	(pass_cleanup_eh): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_cleanup_eh): ...new pass_data instance and...
	(make_pass_cleanup_eh): ...new function.
	* tree-emutls.c (pass_ipa_lower_emutls): Convert from a global struct
	to a subclass of simple_ipa_opt_pass along with...
	(pass_data_ipa_lower_emutls): ...new pass_data instance and...
	(make_pass_ipa_lower_emutls): ...new function.
	* tree-if-conv.c (pass_if_conversion): Convert from a global struct to
	a subclass of gimple_opt_pass along with...
	(pass_data_if_conversion): ...new pass_data instance and...
	(make_pass_if_conversion): ...new function.
	* tree-into-ssa.c (pass_build_ssa): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_build_ssa): ...new pass_data instance and...
	(make_pass_build_ssa): ...new function.
	* tree-loop-distribution.c (pass_loop_distribution): Convert from a
	global struct to a subclass of gimple_opt_pass along with...
	(pass_data_loop_distribution): ...new pass_data instance and...
	(make_pass_loop_distribution): ...new function.
	* tree-mudflap.c (pass_mudflap_1): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_mudflap_1): ...new pass_data instance and...
	(make_pass_mudflap_1): ...new function.
	(pass_mudflap_2): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_mudflap_2): ...new pass_data instance and...
	(make_pass_mudflap_2): ...new function.
	* tree-nomudflap.c (pass_mudflap_1): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_mudflap_1): ...new pass_data instance and...
	(make_pass_mudflap_1): ...new function.
	(pass_mudflap_2): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_mudflap_2): ...new pass_data instance and...
	(make_pass_mudflap_2): ...new function.
	* tree-nrv.c (pass_nrv): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_nrv): ...new pass_data instance and...
	(make_pass_nrv): ...new function.
	(pass_return_slot): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_return_slot): ...new pass_data instance and...
	(make_pass_return_slot): ...new function.
	* tree-object-size.c (pass_object_sizes): Convert from a global struct
	to a subclass of gimple_opt_pass along with...
	(pass_data_object_sizes): ...new pass_data instance and...
	(make_pass_object_sizes): ...new function.
	* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Convert from a
	global struct to a subclass of gimple_opt_pass along with...
	(pass_data_cleanup_cfg_post_optimizing): ...new pass_data instance
	and...
	(make_pass_cleanup_cfg_post_optimizing): ...new function.
	(pass_fixup_cfg): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_fixup_cfg): ...new pass_data instance and...
	(make_pass_fixup_cfg): ...new function.
	* tree-pass.h (pass_mudflap_1): Replace declaration with that of...
	(make_pass_mudflap_1): ...new function.
	(pass_mudflap_2): Replace declaration with that of...
	(make_pass_mudflap_2): ...new function.
	(pass_asan): Replace declaration with that of...
	(make_pass_asan): ...new function.
	(pass_asan_O0): Replace declaration with that of...
	(make_pass_asan_O0): ...new function.
	(pass_tsan): Replace declaration with that of...
	(make_pass_tsan): ...new function.
	(pass_tsan_O0): Replace declaration with that of...
	(make_pass_tsan_O0): ...new function.
	(pass_lower_cf): Replace declaration with that of...
	(make_pass_lower_cf): ...new function.
	(pass_refactor_eh): Replace declaration with that of...
	(make_pass_refactor_eh): ...new function.
	(pass_lower_eh): Replace declaration with that of...
	(make_pass_lower_eh): ...new function.
	(pass_lower_eh_dispatch): Replace declaration with that of...
	(make_pass_lower_eh_dispatch): ...new function.
	(pass_lower_resx): Replace declaration with that of...
	(make_pass_lower_resx): ...new function.
	(pass_build_cfg): Replace declaration with that of...
	(make_pass_build_cfg): ...new function.
	(pass_early_tree_profile): Replace declaration with that of...
	(make_pass_early_tree_profile): ...new function.
	(pass_cleanup_eh): Replace declaration with that of...
	(make_pass_cleanup_eh): ...new function.
	(pass_sra): Replace declaration with that of...
	(make_pass_sra): ...new function.
	(pass_sra_early): Replace declaration with that of...
	(make_pass_sra_early): ...new function.
	(pass_early_ipa_sra): Replace declaration with that of...
	(make_pass_early_ipa_sra): ...new function.
	(pass_tail_recursion): Replace declaration with that of...
	(make_pass_tail_recursion): ...new function.
	(pass_tail_calls): Replace declaration with that of...
	(make_pass_tail_calls): ...new function.
	(pass_tree_loop): Replace declaration with that of...
	(make_pass_tree_loop): ...new function.
	(pass_tree_loop_init): Replace declaration with that of...
	(make_pass_tree_loop_init): ...new function.
	(pass_lim): Replace declaration with that of...
	(make_pass_lim): ...new function.
	(pass_tree_unswitch): Replace declaration with that of...
	(make_pass_tree_unswitch): ...new function.
	(pass_predcom): Replace declaration with that of...
	(make_pass_predcom): ...new function.
	(pass_iv_canon): Replace declaration with that of...
	(make_pass_iv_canon): ...new function.
	(pass_scev_cprop): Replace declaration with that of...
	(make_pass_scev_cprop): ...new function.
	(pass_empty_loop): Replace declaration with that of...
	(make_pass_empty_loop): ...new function.
	(pass_record_bounds): Replace declaration with that of...
	(make_pass_record_bounds): ...new function.
	(pass_graphite): Replace declaration with that of...
	(make_pass_graphite): ...new function.
	(pass_graphite_transforms): Replace declaration with that of...
	(make_pass_graphite_transforms): ...new function.
	(pass_if_conversion): Replace declaration with that of...
	(make_pass_if_conversion): ...new function.
	(pass_loop_distribution): Replace declaration with that of...
	(make_pass_loop_distribution): ...new function.
	(pass_vectorize): Replace declaration with that of...
	(make_pass_vectorize): ...new function.
	(pass_slp_vectorize): Replace declaration with that of...
	(make_pass_slp_vectorize): ...new function.
	(pass_complete_unroll): Replace declaration with that of...
	(make_pass_complete_unroll): ...new function.
	(pass_complete_unrolli): Replace declaration with that of...
	(make_pass_complete_unrolli): ...new function.
	(pass_parallelize_loops): Replace declaration with that of...
	(make_pass_parallelize_loops): ...new function.
	(pass_loop_prefetch): Replace declaration with that of...
	(make_pass_loop_prefetch): ...new function.
	(pass_iv_optimize): Replace declaration with that of...
	(make_pass_iv_optimize): ...new function.
	(pass_tree_loop_done): Replace declaration with that of...
	(make_pass_tree_loop_done): ...new function.
	(pass_ch): Replace declaration with that of...
	(make_pass_ch): ...new function.
	(pass_ccp): Replace declaration with that of...
	(make_pass_ccp): ...new function.
	(pass_phi_only_cprop): Replace declaration with that of...
	(make_pass_phi_only_cprop): ...new function.
	(pass_build_ssa): Replace declaration with that of...
	(make_pass_build_ssa): ...new function.
	(pass_build_alias): Replace declaration with that of...
	(make_pass_build_alias): ...new function.
	(pass_build_ealias): Replace declaration with that of...
	(make_pass_build_ealias): ...new function.
	(pass_dominator): Replace declaration with that of...
	(make_pass_dominator): ...new function.
	(pass_dce): Replace declaration with that of...
	(make_pass_dce): ...new function.
	(pass_dce_loop): Replace declaration with that of...
	(make_pass_dce_loop): ...new function.
	(pass_cd_dce): Replace declaration with that of...
	(make_pass_cd_dce): ...new function.
	(pass_call_cdce): Replace declaration with that of...
	(make_pass_call_cdce): ...new function.
	(pass_merge_phi): Replace declaration with that of...
	(make_pass_merge_phi): ...new function.
	(pass_split_crit_edges): Replace declaration with that of...
	(make_pass_split_crit_edges): ...new function.
	(pass_pre): Replace declaration with that of...
	(make_pass_pre): ...new function.
	(pass_profile): Replace declaration with that of...
	(make_pass_profile): ...new function.
	(pass_strip_predict_hints): Replace declaration with that of...
	(make_pass_strip_predict_hints): ...new function.
	(pass_lower_complex_O0): Replace declaration with that of...
	(make_pass_lower_complex_O0): ...new function.
	(pass_lower_complex): Replace declaration with that of...
	(make_pass_lower_complex): ...new function.
	(pass_lower_vector): Replace declaration with that of...
	(make_pass_lower_vector): ...new function.
	(pass_lower_vector_ssa): Replace declaration with that of...
	(make_pass_lower_vector_ssa): ...new function.
	(pass_lower_omp): Replace declaration with that of...
	(make_pass_lower_omp): ...new function.
	(pass_diagnose_omp_blocks): Replace declaration with that of...
	(make_pass_diagnose_omp_blocks): ...new function.
	(pass_expand_omp): Replace declaration with that of...
	(make_pass_expand_omp): ...new function.
	(pass_expand_omp_ssa): Replace declaration with that of...
	(make_pass_expand_omp_ssa): ...new function.
	(pass_object_sizes): Replace declaration with that of...
	(make_pass_object_sizes): ...new function.
	(pass_strlen): Replace declaration with that of...
	(make_pass_strlen): ...new function.
	(pass_fold_builtins): Replace declaration with that of...
	(make_pass_fold_builtins): ...new function.
	(pass_stdarg): Replace declaration with that of...
	(make_pass_stdarg): ...new function.
	(pass_early_warn_uninitialized): Replace declaration with that of...
	(make_pass_early_warn_uninitialized): ...new function.
	(pass_late_warn_uninitialized): Replace declaration with that of...
	(make_pass_late_warn_uninitialized): ...new function.
	(pass_cse_reciprocals): Replace declaration with that of...
	(make_pass_cse_reciprocals): ...new function.
	(pass_cse_sincos): Replace declaration with that of...
	(make_pass_cse_sincos): ...new function.
	(pass_optimize_bswap): Replace declaration with that of...
	(make_pass_optimize_bswap): ...new function.
	(pass_optimize_widening_mul): Replace declaration with that of...
	(make_pass_optimize_widening_mul): ...new function.
	(pass_warn_function_return): Replace declaration with that of...
	(make_pass_warn_function_return): ...new function.
	(pass_warn_function_noreturn): Replace declaration with that of...
	(make_pass_warn_function_noreturn): ...new function.
	(pass_cselim): Replace declaration with that of...
	(make_pass_cselim): ...new function.
	(pass_phiopt): Replace declaration with that of...
	(make_pass_phiopt): ...new function.
	(pass_forwprop): Replace declaration with that of...
	(make_pass_forwprop): ...new function.
	(pass_phiprop): Replace declaration with that of...
	(make_pass_phiprop): ...new function.
	(pass_tree_ifcombine): Replace declaration with that of...
	(make_pass_tree_ifcombine): ...new function.
	(pass_dse): Replace declaration with that of...
	(make_pass_dse): ...new function.
	(pass_nrv): Replace declaration with that of...
	(make_pass_nrv): ...new function.
	(pass_rename_ssa_copies): Replace declaration with that of...
	(make_pass_rename_ssa_copies): ...new function.
	(pass_sink_code): Replace declaration with that of...
	(make_pass_sink_code): ...new function.
	(pass_fre): Replace declaration with that of...
	(make_pass_fre): ...new function.
	(pass_check_data_deps): Replace declaration with that of...
	(make_pass_check_data_deps): ...new function.
	(pass_copy_prop): Replace declaration with that of...
	(make_pass_copy_prop): ...new function.
	(pass_vrp): Replace declaration with that of...
	(make_pass_vrp): ...new function.
	(pass_uncprop): Replace declaration with that of...
	(make_pass_uncprop): ...new function.
	(pass_return_slot): Replace declaration with that of...
	(make_pass_return_slot): ...new function.
	(pass_reassoc): Replace declaration with that of...
	(make_pass_reassoc): ...new function.
	(pass_rebuild_cgraph_edges): Replace declaration with that of...
	(make_pass_rebuild_cgraph_edges): ...new function.
	(pass_remove_cgraph_callee_edges): Replace declaration with that of...
	(make_pass_remove_cgraph_callee_edges): ...new function.
	(pass_build_cgraph_edges): Replace declaration with that of...
	(make_pass_build_cgraph_edges): ...new function.
	(pass_local_pure_const): Replace declaration with that of...
	(make_pass_local_pure_const): ...new function.
	(pass_tracer): Replace declaration with that of...
	(make_pass_tracer): ...new function.
	(pass_warn_unused_result): Replace declaration with that of...
	(make_pass_warn_unused_result): ...new function.
	(pass_diagnose_tm_blocks): Replace declaration with that of...
	(make_pass_diagnose_tm_blocks): ...new function.
	(pass_lower_tm): Replace declaration with that of...
	(make_pass_lower_tm): ...new function.
	(pass_tm_init): Replace declaration with that of...
	(make_pass_tm_init): ...new function.
	(pass_tm_mark): Replace declaration with that of...
	(make_pass_tm_mark): ...new function.
	(pass_tm_memopt): Replace declaration with that of...
	(make_pass_tm_memopt): ...new function.
	(pass_tm_edges): Replace declaration with that of...
	(make_pass_tm_edges): ...new function.
	(pass_split_functions): Replace declaration with that of...
	(make_pass_split_functions): ...new function.
	(pass_feedback_split_functions): Replace declaration with that of...
	(make_pass_feedback_split_functions): ...new function.
	(pass_strength_reduction): Replace declaration with that of...
	(make_pass_strength_reduction): ...new function.
	(pass_ipa_lower_emutls): Replace declaration with that of...
	(make_pass_ipa_lower_emutls): ...new function.
	(pass_ipa_function_and_variable_visibility): Replace declaration with
	that of...
	(make_pass_ipa_function_and_variable_visibility): ...new function.
	(pass_ipa_tree_profile): Replace declaration with that of...
	(make_pass_ipa_tree_profile): ...new function.
	(pass_early_local_passes): Replace declaration with that of...
	(make_pass_early_local_passes): ...new function.
	(pass_ipa_whole_program_visibility): Replace declaration with that
	of...
	(make_pass_ipa_whole_program_visibility): ...new function.
	(pass_ipa_lto_gimple_out): Replace declaration with that of...
	(make_pass_ipa_lto_gimple_out): ...new function.
	(pass_ipa_increase_alignment): Replace declaration with that of...
	(make_pass_ipa_increase_alignment): ...new function.
	(pass_ipa_inline): Replace declaration with that of...
	(make_pass_ipa_inline): ...new function.
	(pass_ipa_free_lang_data): Replace declaration with that of...
	(make_pass_ipa_free_lang_data): ...new function.
	(pass_ipa_free_inline_summary): Replace declaration with that of...
	(make_pass_ipa_free_inline_summary): ...new function.
	(pass_ipa_cp): Replace declaration with that of...
	(make_pass_ipa_cp): ...new function.
	(pass_ipa_reference): Replace declaration with that of...
	(make_pass_ipa_reference): ...new function.
	(pass_ipa_pure_const): Replace declaration with that of...
	(make_pass_ipa_pure_const): ...new function.
	(pass_ipa_pta): Replace declaration with that of...
	(make_pass_ipa_pta): ...new function.
	(pass_ipa_lto_finish_out): Replace declaration with that of...
	(make_pass_ipa_lto_finish_out): ...new function.
	(pass_ipa_tm): Replace declaration with that of...
	(make_pass_ipa_tm): ...new function.
	(pass_ipa_profile): Replace declaration with that of...
	(make_pass_ipa_profile): ...new function.
	(pass_ipa_cdtor_merge): Replace declaration with that of...
	(make_pass_ipa_cdtor_merge): ...new function.
	(pass_cleanup_cfg_post_optimizing): Replace declaration with that
	of...
	(make_pass_cleanup_cfg_post_optimizing): ...new function.
	(pass_init_datastructures): Replace declaration with that of...
	(make_pass_init_datastructures): ...new function.
	(pass_fixup_cfg): Replace declaration with that of...
	(make_pass_fixup_cfg): ...new function.
	(pass_expand): Replace declaration with that of...
	(make_pass_expand): ...new function.
	(pass_instantiate_virtual_regs): Replace declaration with that of...
	(make_pass_instantiate_virtual_regs): ...new function.
	(pass_rtl_fwprop): Replace declaration with that of...
	(make_pass_rtl_fwprop): ...new function.
	(pass_rtl_fwprop_addr): Replace declaration with that of...
	(make_pass_rtl_fwprop_addr): ...new function.
	(pass_jump): Replace declaration with that of...
	(make_pass_jump): ...new function.
	(pass_jump2): Replace declaration with that of...
	(make_pass_jump2): ...new function.
	(pass_lower_subreg): Replace declaration with that of...
	(make_pass_lower_subreg): ...new function.
	(pass_cse): Replace declaration with that of...
	(make_pass_cse): ...new function.
	(pass_fast_rtl_dce): Replace declaration with that of...
	(make_pass_fast_rtl_dce): ...new function.
	(pass_ud_rtl_dce): Replace declaration with that of...
	(make_pass_ud_rtl_dce): ...new function.
	(pass_rtl_dce): Replace declaration with that of...
	(make_pass_rtl_dce): ...new function.
	(pass_rtl_dse1): Replace declaration with that of...
	(make_pass_rtl_dse1): ...new function.
	(pass_rtl_dse2): Replace declaration with that of...
	(make_pass_rtl_dse2): ...new function.
	(pass_rtl_dse3): Replace declaration with that of...
	(make_pass_rtl_dse3): ...new function.
	(pass_rtl_cprop): Replace declaration with that of...
	(make_pass_rtl_cprop): ...new function.
	(pass_rtl_pre): Replace declaration with that of...
	(make_pass_rtl_pre): ...new function.
	(pass_rtl_hoist): Replace declaration with that of...
	(make_pass_rtl_hoist): ...new function.
	(pass_rtl_store_motion): Replace declaration with that of...
	(make_pass_rtl_store_motion): ...new function.
	(pass_cse_after_global_opts): Replace declaration with that of...
	(make_pass_cse_after_global_opts): ...new function.
	(pass_rtl_ifcvt): Replace declaration with that of...
	(make_pass_rtl_ifcvt): ...new function.
	(pass_into_cfg_layout_mode): Replace declaration with that of...
	(make_pass_into_cfg_layout_mode): ...new function.
	(pass_outof_cfg_layout_mode): Replace declaration with that of...
	(make_pass_outof_cfg_layout_mode): ...new function.
	(pass_loop2): Replace declaration with that of...
	(make_pass_loop2): ...new function.
	(pass_rtl_loop_init): Replace declaration with that of...
	(make_pass_rtl_loop_init): ...new function.
	(pass_rtl_move_loop_invariants): Replace declaration with that of...
	(make_pass_rtl_move_loop_invariants): ...new function.
	(pass_rtl_unswitch): Replace declaration with that of...
	(make_pass_rtl_unswitch): ...new function.
	(pass_rtl_unroll_and_peel_loops): Replace declaration with that of...
	(make_pass_rtl_unroll_and_peel_loops): ...new function.
	(pass_rtl_doloop): Replace declaration with that of...
	(make_pass_rtl_doloop): ...new function.
	(pass_rtl_loop_done): Replace declaration with that of...
	(make_pass_rtl_loop_done): ...new function.
	(pass_web): Replace declaration with that of...
	(make_pass_web): ...new function.
	(pass_cse2): Replace declaration with that of...
	(make_pass_cse2): ...new function.
	(pass_df_initialize_opt): Replace declaration with that of...
	(make_pass_df_initialize_opt): ...new function.
	(pass_df_initialize_no_opt): Replace declaration with that of...
	(make_pass_df_initialize_no_opt): ...new function.
	(pass_reginfo_init): Replace declaration with that of...
	(make_pass_reginfo_init): ...new function.
	(pass_inc_dec): Replace declaration with that of...
	(make_pass_inc_dec): ...new function.
	(pass_stack_ptr_mod): Replace declaration with that of...
	(make_pass_stack_ptr_mod): ...new function.
	(pass_initialize_regs): Replace declaration with that of...
	(make_pass_initialize_regs): ...new function.
	(pass_combine): Replace declaration with that of...
	(make_pass_combine): ...new function.
	(pass_if_after_combine): Replace declaration with that of...
	(make_pass_if_after_combine): ...new function.
	(pass_ree): Replace declaration with that of...
	(make_pass_ree): ...new function.
	(pass_partition_blocks): Replace declaration with that of...
	(make_pass_partition_blocks): ...new function.
	(pass_match_asm_constraints): Replace declaration with that of...
	(make_pass_match_asm_constraints): ...new function.
	(pass_regmove): Replace declaration with that of...
	(make_pass_regmove): ...new function.
	(pass_split_all_insns): Replace declaration with that of...
	(make_pass_split_all_insns): ...new function.
	(pass_fast_rtl_byte_dce): Replace declaration with that of...
	(make_pass_fast_rtl_byte_dce): ...new function.
	(pass_lower_subreg2): Replace declaration with that of...
	(make_pass_lower_subreg2): ...new function.
	(pass_mode_switching): Replace declaration with that of...
	(make_pass_mode_switching): ...new function.
	(pass_sms): Replace declaration with that of...
	(make_pass_sms): ...new function.
	(pass_sched): Replace declaration with that of...
	(make_pass_sched): ...new function.
	(pass_ira): Replace declaration with that of...
	(make_pass_ira): ...new function.
	(pass_reload): Replace declaration with that of...
	(make_pass_reload): ...new function.
	(pass_clean_state): Replace declaration with that of...
	(make_pass_clean_state): ...new function.
	(pass_branch_prob): Replace declaration with that of...
	(make_pass_branch_prob): ...new function.
	(pass_value_profile_transformations): Replace declaration with that
	of...
	(make_pass_value_profile_transformations): ...new function.
	(pass_postreload_cse): Replace declaration with that of...
	(make_pass_postreload_cse): ...new function.
	(pass_gcse2): Replace declaration with that of...
	(make_pass_gcse2): ...new function.
	(pass_split_after_reload): Replace declaration with that of...
	(make_pass_split_after_reload): ...new function.
	(pass_branch_target_load_optimize1): Replace declaration with that
	of...
	(make_pass_branch_target_load_optimize1): ...new function.
	(pass_thread_prologue_and_epilogue): Replace declaration with that
	of...
	(make_pass_thread_prologue_and_epilogue): ...new function.
	(pass_stack_adjustments): Replace declaration with that of...
	(make_pass_stack_adjustments): ...new function.
	(pass_peephole2): Replace declaration with that of...
	(make_pass_peephole2): ...new function.
	(pass_if_after_reload): Replace declaration with that of...
	(make_pass_if_after_reload): ...new function.
	(pass_regrename): Replace declaration with that of...
	(make_pass_regrename): ...new function.
	(pass_cprop_hardreg): Replace declaration with that of...
	(make_pass_cprop_hardreg): ...new function.
	(pass_reorder_blocks): Replace declaration with that of...
	(make_pass_reorder_blocks): ...new function.
	(pass_branch_target_load_optimize2): Replace declaration with that
	of...
	(make_pass_branch_target_load_optimize2): ...new function.
	(pass_leaf_regs): Replace declaration with that of...
	(make_pass_leaf_regs): ...new function.
	(pass_split_before_sched2): Replace declaration with that of...
	(make_pass_split_before_sched2): ...new function.
	(pass_compare_elim_after_reload): Replace declaration with that of...
	(make_pass_compare_elim_after_reload): ...new function.
	(pass_sched2): Replace declaration with that of...
	(make_pass_sched2): ...new function.
	(pass_stack_regs): Replace declaration with that of...
	(make_pass_stack_regs): ...new function.
	(pass_stack_regs_run): Replace declaration with that of...
	(make_pass_stack_regs_run): ...new function.
	(pass_df_finish): Replace declaration with that of...
	(make_pass_df_finish): ...new function.
	(pass_compute_alignments): Replace declaration with that of...
	(make_pass_compute_alignments): ...new function.
	(pass_duplicate_computed_gotos): Replace declaration with that of...
	(make_pass_duplicate_computed_gotos): ...new function.
	(pass_variable_tracking): Replace declaration with that of...
	(make_pass_variable_tracking): ...new function.
	(pass_free_cfg): Replace declaration with that of...
	(make_pass_free_cfg): ...new function.
	(pass_machine_reorg): Replace declaration with that of...
	(make_pass_machine_reorg): ...new function.
	(pass_cleanup_barriers): Replace declaration with that of...
	(make_pass_cleanup_barriers): ...new function.
	(pass_delay_slots): Replace declaration with that of...
	(make_pass_delay_slots): ...new function.
	(pass_split_for_shorten_branches): Replace declaration with that of...
	(make_pass_split_for_shorten_branches): ...new function.
	(pass_split_before_regstack): Replace declaration with that of...
	(make_pass_split_before_regstack): ...new function.
	(pass_convert_to_eh_region_ranges): Replace declaration with that
	of...
	(make_pass_convert_to_eh_region_ranges): ...new function.
	(pass_shorten_branches): Replace declaration with that of...
	(make_pass_shorten_branches): ...new function.
	(pass_set_nothrow_function_flags): Replace declaration with that of...
	(make_pass_set_nothrow_function_flags): ...new function.
	(pass_dwarf2_frame): Replace declaration with that of...
	(make_pass_dwarf2_frame): ...new function.
	(pass_final): Replace declaration with that of...
	(make_pass_final): ...new function.
	(pass_rtl_seqabstr): Replace declaration with that of...
	(make_pass_rtl_seqabstr): ...new function.
	(pass_release_ssa_names): Replace declaration with that of...
	(make_pass_release_ssa_names): ...new function.
	(pass_early_inline): Replace declaration with that of...
	(make_pass_early_inline): ...new function.
	(pass_inline_parameters): Replace declaration with that of...
	(make_pass_inline_parameters): ...new function.
	(pass_update_address_taken): Replace declaration with that of...
	(make_pass_update_address_taken): ...new function.
	(pass_convert_switch): Replace declaration with that of...
	(make_pass_convert_switch): ...new function.
	* tree-profile.c (pass_ipa_tree_profile): Convert from a global struct
	to a subclass of simple_ipa_opt_pass along with...
	(pass_data_ipa_tree_profile): ...new pass_data instance and...
	(make_pass_ipa_tree_profile): ...new function.
	* tree-sra.c (pass_sra_early): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_sra_early): ...new pass_data instance and...
	(make_pass_sra_early): ...new function.
	(pass_sra): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_sra): ...new pass_data instance and...
	(make_pass_sra): ...new function.
	(pass_early_ipa_sra): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_early_ipa_sra): ...new pass_data instance and...
	(make_pass_early_ipa_sra): ...new function.
	* tree-ssa-ccp.c (pass_ccp): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_ccp): ...new pass_data instance and...
	(make_pass_ccp): ...new function.
	(pass_fold_builtins): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_fold_builtins): ...new pass_data instance and...
	(make_pass_fold_builtins): ...new function.
	* tree-ssa-copy.c (pass_copy_prop): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_copy_prop): ...new pass_data instance and...
	(make_pass_copy_prop): ...new function.
	* tree-ssa-copyrename.c (pass_rename_ssa_copies): Convert from a
	global struct to a subclass of gimple_opt_pass along with...
	(pass_data_rename_ssa_copies): ...new pass_data instance and...
	(make_pass_rename_ssa_copies): ...new function.
	* tree-ssa-dce.c (pass_dce): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_dce): ...new pass_data instance and...
	(make_pass_dce): ...new function.
	(pass_dce_loop): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_dce_loop): ...new pass_data instance and...
	(make_pass_dce_loop): ...new function.
	(pass_cd_dce): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_cd_dce): ...new pass_data instance and...
	(make_pass_cd_dce): ...new function.
	* tree-ssa-dom.c (pass_dominator): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_dominator): ...new pass_data instance and...
	(make_pass_dominator): ...new function.
	(pass_phi_only_cprop): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_phi_only_cprop): ...new pass_data instance and...
	(make_pass_phi_only_cprop): ...new function.
	* tree-ssa-dse.c (pass_dse): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_dse): ...new pass_data instance and...
	(make_pass_dse): ...new function.
	* tree-ssa-forwprop.c (pass_forwprop): Convert from a global struct to
	a subclass of gimple_opt_pass along with...
	(pass_data_forwprop): ...new pass_data instance and...
	(make_pass_forwprop): ...new function.
	* tree-ssa-ifcombine.c (pass_tree_ifcombine): Convert from a global
	struct to a subclass of gimple_opt_pass along with...
	(pass_data_tree_ifcombine): ...new pass_data instance and...
	(make_pass_tree_ifcombine): ...new function.
	* tree-ssa-loop-ch.c (pass_ch): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_ch): ...new pass_data instance and...
	(make_pass_ch): ...new function.
	* tree-ssa-loop.c (pass_tree_loop): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_tree_loop): ...new pass_data instance and...
	(make_pass_tree_loop): ...new function.
	(pass_tree_loop_init): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_tree_loop_init): ...new pass_data instance and...
	(make_pass_tree_loop_init): ...new function.
	(pass_lim): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_lim): ...new pass_data instance and...
	(make_pass_lim): ...new function.
	(pass_tree_unswitch): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_tree_unswitch): ...new pass_data instance and...
	(make_pass_tree_unswitch): ...new function.
	(pass_predcom): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_predcom): ...new pass_data instance and...
	(make_pass_predcom): ...new function.
	(pass_vectorize): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_vectorize): ...new pass_data instance and...
	(make_pass_vectorize): ...new function.
	(pass_graphite): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_graphite): ...new pass_data instance and...
	(make_pass_graphite): ...new function.
	(pass_graphite_transforms): Convert from a global struct to a subclass
	of gimple_opt_pass along with...
	(pass_data_graphite_transforms): ...new pass_data instance and...
	(make_pass_graphite_transforms): ...new function.
	(pass_check_data_deps): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_check_data_deps): ...new pass_data instance and...
	(make_pass_check_data_deps): ...new function.
	(pass_iv_canon): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_iv_canon): ...new pass_data instance and...
	(make_pass_iv_canon): ...new function.
	(pass_scev_cprop): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_scev_cprop): ...new pass_data instance and...
	(make_pass_scev_cprop): ...new function.
	(pass_record_bounds): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_record_bounds): ...new pass_data instance and...
	(make_pass_record_bounds): ...new function.
	(pass_complete_unroll): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_complete_unroll): ...new pass_data instance and...
	(make_pass_complete_unroll): ...new function.
	(pass_complete_unrolli): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_complete_unrolli): ...new pass_data instance and...
	(make_pass_complete_unrolli): ...new function.
	(pass_parallelize_loops): Convert from a global struct to a subclass
	of gimple_opt_pass along with...
	(pass_data_parallelize_loops): ...new pass_data instance and...
	(make_pass_parallelize_loops): ...new function.
	(pass_loop_prefetch): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_loop_prefetch): ...new pass_data instance and...
	(make_pass_loop_prefetch): ...new function.
	(pass_iv_optimize): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_iv_optimize): ...new pass_data instance and...
	(make_pass_iv_optimize): ...new function.
	(pass_tree_loop_done): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_tree_loop_done): ...new pass_data instance and...
	(make_pass_tree_loop_done): ...new function.
	* tree-ssa-math-opts.c (pass_cse_reciprocals): Convert from a global
	struct to a subclass of gimple_opt_pass along with...
	(pass_data_cse_reciprocals): ...new pass_data instance and...
	(make_pass_cse_reciprocals): ...new function.
	(pass_cse_sincos): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_cse_sincos): ...new pass_data instance and...
	(make_pass_cse_sincos): ...new function.
	(pass_optimize_bswap): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_optimize_bswap): ...new pass_data instance and...
	(make_pass_optimize_bswap): ...new function.
	(pass_optimize_widening_mul): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_optimize_widening_mul): ...new pass_data instance and...
	(make_pass_optimize_widening_mul): ...new function.
	* tree-ssa-phiopt.c (pass_phiopt): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_phiopt): ...new pass_data instance and...
	(make_pass_phiopt): ...new function.
	(pass_cselim): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_cselim): ...new pass_data instance and...
	(make_pass_cselim): ...new function.
	* tree-ssa-phiprop.c (pass_phiprop): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_phiprop): ...new pass_data instance and...
	(make_pass_phiprop): ...new function.
	* tree-ssa-pre.c (pass_pre): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_pre): ...new pass_data instance and...
	(make_pass_pre): ...new function.
	(pass_fre): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_fre): ...new pass_data instance and...
	(make_pass_fre): ...new function.
	* tree-ssa-reassoc.c (pass_reassoc): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_reassoc): ...new pass_data instance and...
	(make_pass_reassoc): ...new function.
	* tree-ssa-sink.c (pass_sink_code): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_sink_code): ...new pass_data instance and...
	(make_pass_sink_code): ...new function.
	* tree-ssa-strlen.c (pass_strlen): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_strlen): ...new pass_data instance and...
	(make_pass_strlen): ...new function.
	* tree-ssa-structalias.c (pass_build_alias): Convert from a global
	struct to a subclass of gimple_opt_pass along with...
	(pass_data_build_alias): ...new pass_data instance and...
	(make_pass_build_alias): ...new function.
	(pass_build_ealias): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_build_ealias): ...new pass_data instance and...
	(make_pass_build_ealias): ...new function.
	(pass_ipa_pta): Convert from a global struct to a subclass of
	simple_ipa_opt_pass along with...
	(pass_data_ipa_pta): ...new pass_data instance and...
	(make_pass_ipa_pta): ...new function.
	* tree-ssa-uncprop.c (pass_uncprop): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_uncprop): ...new pass_data instance and...
	(make_pass_uncprop): ...new function.
	* tree-ssa-uninit.c (pass_late_warn_uninitialized): Convert from a
	global struct to a subclass of gimple_opt_pass along with...
	(pass_data_late_warn_uninitialized): ...new pass_data instance and...
	(make_pass_late_warn_uninitialized): ...new function.
	* tree-ssa.c (pass_init_datastructures): Convert from a global struct
	to a subclass of gimple_opt_pass along with...
	(pass_data_init_datastructures): ...new pass_data instance and...
	(make_pass_init_datastructures): ...new function.
	(pass_early_warn_uninitialized): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_early_warn_uninitialized): ...new pass_data instance and...
	(make_pass_early_warn_uninitialized): ...new function.
	(pass_update_address_taken): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_update_address_taken): ...new pass_data instance and...
	(make_pass_update_address_taken): ...new function.
	* tree-ssanames.c (pass_release_ssa_names): Convert from a global
	struct to a subclass of gimple_opt_pass along with...
	(pass_data_release_ssa_names): ...new pass_data instance and...
	(make_pass_release_ssa_names): ...new function.
	* tree-stdarg.c (pass_stdarg): Convert from a global struct to a
	subclass of gimple_opt_pass along with...
	(pass_data_stdarg): ...new pass_data instance and...
	(make_pass_stdarg): ...new function.
	* tree-switch-conversion.c (pass_convert_switch): Convert from a
	global struct to a subclass of gimple_opt_pass along with...
	(pass_data_convert_switch): ...new pass_data instance and...
	(make_pass_convert_switch): ...new function.
	* tree-tailcall.c (pass_tail_recursion): Convert from a global struct
	to a subclass of gimple_opt_pass along with...
	(pass_data_tail_recursion): ...new pass_data instance and...
	(make_pass_tail_recursion): ...new function.
	(pass_tail_calls): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_tail_calls): ...new pass_data instance and...
	(make_pass_tail_calls): ...new function.
	* tree-vect-generic.c (pass_lower_vector): Convert from a global
	struct to a subclass of gimple_opt_pass along with...
	(pass_data_lower_vector): ...new pass_data instance and...
	(make_pass_lower_vector): ...new function.
	(pass_lower_vector_ssa): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_lower_vector_ssa): ...new pass_data instance and...
	(make_pass_lower_vector_ssa): ...new function.
	* tree-vectorizer.c (pass_slp_vectorize): Convert from a global struct
	to a subclass of gimple_opt_pass along with...
	(pass_data_slp_vectorize): ...new pass_data instance and...
	(make_pass_slp_vectorize): ...new function.
	(pass_ipa_increase_alignment): Convert from a global struct to a
	subclass of simple_ipa_opt_pass along with...
	(pass_data_ipa_increase_alignment): ...new pass_data instance and...
	(make_pass_ipa_increase_alignment): ...new function.
	* tree-vrp.c (pass_vrp): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_vrp): ...new pass_data instance and...
	(make_pass_vrp): ...new function.
	* tree.c (pass_ipa_free_lang_data): Convert from a global struct to a
	subclass of simple_ipa_opt_pass along with...
	(pass_data_ipa_free_lang_data): ...new pass_data instance and...
	(make_pass_ipa_free_lang_data): ...new function.
	* tsan.c (pass_tsan): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_tsan): ...new pass_data instance and...
	(make_pass_tsan): ...new function.
	(pass_tsan_O0): Convert from a global struct to a subclass of
	gimple_opt_pass along with...
	(pass_data_tsan_O0): ...new pass_data instance and...
	(make_pass_tsan_O0): ...new function.
	* var-tracking.c (pass_variable_tracking): Convert from a global
	struct to a subclass of rtl_opt_pass along with...
	(pass_data_variable_tracking): ...new pass_data instance and...
	(make_pass_variable_tracking): ...new function.
	* web.c (pass_web): Convert from a global struct to a subclass of
	rtl_opt_pass along with...
	(pass_data_web): ...new pass_data instance and...
	(make_pass_web): ...new function.
	* config/epiphany/epiphany.h (pass_mode_switch_use): Replace
	declaration with that of...
	(make_pass_mode_switch_use): ...new function.
	(pass_resolve_sw_modes): Replace declaration with that of...
	(make_pass_resolve_sw_modes): ...new function.
	* config/epiphany/mode-switch-use.c (pass_mode_switch_use): Convert
	from a global struct to a subclass of rtl_opt_pass along with...
	(pass_data_mode_switch_use): ...new pass_data instance and...
	(make_pass_mode_switch_use): ...new function.
	* config/epiphany/resolve-sw-modes.c (pass_resolve_sw_modes): Convert
	from a global struct to a subclass of rtl_opt_pass along with...
	(pass_data_resolve_sw_modes): ...new pass_data instance and...
	(make_pass_resolve_sw_modes): ...new function.
	* config/i386/i386.c (pass_insert_vzeroupper): Convert from a global
	struct to a subclass of rtl_opt_pass along with...
	(pass_data_insert_vzeroupper): ...new pass_data instance and...
	(make_pass_insert_vzeroupper): ...new function.
	* config/sparc/sparc.c (pass_work_around_errata): Convert from a
	global struct to a subclass of rtl_opt_pass along with...
	(pass_data_work_around_errata): ...new pass_data instance and...
	(make_pass_work_around_errata): ...new function.
	* config/mips/mips.c (pass_mips_machine_reorg2): Convert from a global
	struct to a subclass of rtl_opt_pass along with...
	(pass_data_mips_machine_reorg2): ...new pass_data instance and...
	(make_pass_mips_machine_reorg2): ...new function.

gcc/testsuite/

	Patch autogenerated by refactor_passes.py from
	https://github.com/davidmalcolm/gcc-refactoring-scripts
	revision 03fe39476a4c4ea450b49e087cfa817b5f92021e

	* gcc.dg/plugin/one_time_plugin.c (one_pass): Convert from a global
	struct to a subclass of gimple_opt_pass along with...
	(pass_data_one_pass): ...new pass_data instance and...
	(make_one_pass): ...new function.
	* gcc.dg/plugin/selfassign.c (pass_warn_self_assign): Convert from a
	global struct to a subclass of gimple_opt_pass along with...
	(pass_data_warn_self_assign): ...new pass_data instance and...
	(make_pass_warn_self_assign): ...new function.
	* g++.dg/plugin/dumb_plugin.c (pass_dumb_plugin_example): Convert from
	a global struct to a subclass of gimple_opt_pass along with...
	(pass_data_dumb_plugin_example): ...new pass_data instance and...
	(make_pass_dumb_plugin_example): ...new function.
	* g++.dg/plugin/selfassign.c (pass_warn_self_assign): Convert from a
	global struct to a subclass of gimple_opt_pass along with...
	(pass_data_warn_self_assign): ...new pass_data instance and...
	(make_pass_warn_self_assign): ...new function.

From-SVN: r201508
2013-08-05 20:16:05 +00:00

688 lines
20 KiB
C
Raw Blame History

/* Combining of if-expressions on trees.
Copyright (C) 2007-2013 Free Software Foundation, Inc.
Contributed by Richard Guenther <rguenther@suse.de>
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/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
#include "basic-block.h"
#include "tree-pretty-print.h"
#include "tree-flow.h"
#include "tree-pass.h"
/* This pass combines COND_EXPRs to simplify control flow. It
currently recognizes bit tests and comparisons in chains that
represent logical and or logical or of two COND_EXPRs.
It does so by walking basic blocks in a approximate reverse
post-dominator order and trying to match CFG patterns that
represent logical and or logical or of two COND_EXPRs.
Transformations are done if the COND_EXPR conditions match
either
1. two single bit tests X & (1 << Yn) (for logical and)
2. two bit tests X & Yn (for logical or)
3. two comparisons X OPn Y (for logical or)
To simplify this pass, removing basic blocks and dead code
is left to CFG cleanup and DCE. */
/* Recognize a if-then-else CFG pattern starting to match with the
COND_BB basic-block containing the COND_EXPR. The recognized
then end else blocks are stored to *THEN_BB and *ELSE_BB. If
*THEN_BB and/or *ELSE_BB are already set, they are required to
match the then and else basic-blocks to make the pattern match.
Returns true if the pattern matched, false otherwise. */
static bool
recognize_if_then_else (basic_block cond_bb,
basic_block *then_bb, basic_block *else_bb)
{
edge t, e;
if (EDGE_COUNT (cond_bb->succs) != 2)
return false;
/* Find the then/else edges. */
t = EDGE_SUCC (cond_bb, 0);
e = EDGE_SUCC (cond_bb, 1);
if (!(t->flags & EDGE_TRUE_VALUE))
{
edge tmp = t;
t = e;
e = tmp;
}
if (!(t->flags & EDGE_TRUE_VALUE)
|| !(e->flags & EDGE_FALSE_VALUE))
return false;
/* Check if the edge destinations point to the required block. */
if (*then_bb
&& t->dest != *then_bb)
return false;
if (*else_bb
&& e->dest != *else_bb)
return false;
if (!*then_bb)
*then_bb = t->dest;
if (!*else_bb)
*else_bb = e->dest;
return true;
}
/* Verify if the basic block BB does not have side-effects. Return
true in this case, else false. */
static bool
bb_no_side_effects_p (basic_block bb)
{
gimple_stmt_iterator gsi;
for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
{
gimple stmt = gsi_stmt (gsi);
if (gimple_has_side_effects (stmt)
|| gimple_vuse (stmt))
return false;
}
return true;
}
/* Verify if all PHI node arguments in DEST for edges from BB1 or
BB2 to DEST are the same. This makes the CFG merge point
free from side-effects. Return true in this case, else false. */
static bool
same_phi_args_p (basic_block bb1, basic_block bb2, basic_block dest)
{
edge e1 = find_edge (bb1, dest);
edge e2 = find_edge (bb2, dest);
gimple_stmt_iterator gsi;
gimple phi;
for (gsi = gsi_start_phis (dest); !gsi_end_p (gsi); gsi_next (&gsi))
{
phi = gsi_stmt (gsi);
if (!operand_equal_p (PHI_ARG_DEF_FROM_EDGE (phi, e1),
PHI_ARG_DEF_FROM_EDGE (phi, e2), 0))
return false;
}
return true;
}
/* Return the best representative SSA name for CANDIDATE which is used
in a bit test. */
static tree
get_name_for_bit_test (tree candidate)
{
/* Skip single-use names in favor of using the name from a
non-widening conversion definition. */
if (TREE_CODE (candidate) == SSA_NAME
&& has_single_use (candidate))
{
gimple def_stmt = SSA_NAME_DEF_STMT (candidate);
if (is_gimple_assign (def_stmt)
&& CONVERT_EXPR_CODE_P (gimple_assign_rhs_code (def_stmt)))
{
if (TYPE_PRECISION (TREE_TYPE (candidate))
<= TYPE_PRECISION (TREE_TYPE (gimple_assign_rhs1 (def_stmt))))
return gimple_assign_rhs1 (def_stmt);
}
}
return candidate;
}
/* Recognize a single bit test pattern in GIMPLE_COND and its defining
statements. Store the name being tested in *NAME and the bit
in *BIT. The GIMPLE_COND computes *NAME & (1 << *BIT).
Returns true if the pattern matched, false otherwise. */
static bool
recognize_single_bit_test (gimple cond, tree *name, tree *bit, bool inv)
{
gimple stmt;
/* Get at the definition of the result of the bit test. */
if (gimple_cond_code (cond) != (inv ? EQ_EXPR : NE_EXPR)
|| TREE_CODE (gimple_cond_lhs (cond)) != SSA_NAME
|| !integer_zerop (gimple_cond_rhs (cond)))
return false;
stmt = SSA_NAME_DEF_STMT (gimple_cond_lhs (cond));
if (!is_gimple_assign (stmt))
return false;
/* Look at which bit is tested. One form to recognize is
D.1985_5 = state_3(D) >> control1_4(D);
D.1986_6 = (int) D.1985_5;
D.1987_7 = op0 & 1;
if (D.1987_7 != 0) */
if (gimple_assign_rhs_code (stmt) == BIT_AND_EXPR
&& integer_onep (gimple_assign_rhs2 (stmt))
&& TREE_CODE (gimple_assign_rhs1 (stmt)) == SSA_NAME)
{
tree orig_name = gimple_assign_rhs1 (stmt);
/* Look through copies and conversions to eventually
find the stmt that computes the shift. */
stmt = SSA_NAME_DEF_STMT (orig_name);
while (is_gimple_assign (stmt)
&& ((CONVERT_EXPR_CODE_P (gimple_assign_rhs_code (stmt))
&& (TYPE_PRECISION (TREE_TYPE (gimple_assign_lhs (stmt)))
<= TYPE_PRECISION (TREE_TYPE (gimple_assign_rhs1 (stmt)))))
|| gimple_assign_ssa_name_copy_p (stmt)))
stmt = SSA_NAME_DEF_STMT (gimple_assign_rhs1 (stmt));
/* If we found such, decompose it. */
if (is_gimple_assign (stmt)
&& gimple_assign_rhs_code (stmt) == RSHIFT_EXPR)
{
/* op0 & (1 << op1) */
*bit = gimple_assign_rhs2 (stmt);
*name = gimple_assign_rhs1 (stmt);
}
else
{
/* t & 1 */
*bit = integer_zero_node;
*name = get_name_for_bit_test (orig_name);
}
return true;
}
/* Another form is
D.1987_7 = op0 & (1 << CST)
if (D.1987_7 != 0) */
if (gimple_assign_rhs_code (stmt) == BIT_AND_EXPR
&& TREE_CODE (gimple_assign_rhs1 (stmt)) == SSA_NAME
&& integer_pow2p (gimple_assign_rhs2 (stmt)))
{
*name = gimple_assign_rhs1 (stmt);
*bit = build_int_cst (integer_type_node,
tree_log2 (gimple_assign_rhs2 (stmt)));
return true;
}
/* Another form is
D.1986_6 = 1 << control1_4(D)
D.1987_7 = op0 & D.1986_6
if (D.1987_7 != 0) */
if (gimple_assign_rhs_code (stmt) == BIT_AND_EXPR
&& TREE_CODE (gimple_assign_rhs1 (stmt)) == SSA_NAME
&& TREE_CODE (gimple_assign_rhs2 (stmt)) == SSA_NAME)
{
gimple tmp;
/* Both arguments of the BIT_AND_EXPR can be the single-bit
specifying expression. */
tmp = SSA_NAME_DEF_STMT (gimple_assign_rhs1 (stmt));
if (is_gimple_assign (tmp)
&& gimple_assign_rhs_code (tmp) == LSHIFT_EXPR
&& integer_onep (gimple_assign_rhs1 (tmp)))
{
*name = gimple_assign_rhs2 (stmt);
*bit = gimple_assign_rhs2 (tmp);
return true;
}
tmp = SSA_NAME_DEF_STMT (gimple_assign_rhs2 (stmt));
if (is_gimple_assign (tmp)
&& gimple_assign_rhs_code (tmp) == LSHIFT_EXPR
&& integer_onep (gimple_assign_rhs1 (tmp)))
{
*name = gimple_assign_rhs1 (stmt);
*bit = gimple_assign_rhs2 (tmp);
return true;
}
}
return false;
}
/* Recognize a bit test pattern in a GIMPLE_COND and its defining
statements. Store the name being tested in *NAME and the bits
in *BITS. The COND_EXPR computes *NAME & *BITS.
Returns true if the pattern matched, false otherwise. */
static bool
recognize_bits_test (gimple cond, tree *name, tree *bits, bool inv)
{
gimple stmt;
/* Get at the definition of the result of the bit test. */
if (gimple_cond_code (cond) != (inv ? EQ_EXPR : NE_EXPR)
|| TREE_CODE (gimple_cond_lhs (cond)) != SSA_NAME
|| !integer_zerop (gimple_cond_rhs (cond)))
return false;
stmt = SSA_NAME_DEF_STMT (gimple_cond_lhs (cond));
if (!is_gimple_assign (stmt)
|| gimple_assign_rhs_code (stmt) != BIT_AND_EXPR)
return false;
*name = get_name_for_bit_test (gimple_assign_rhs1 (stmt));
*bits = gimple_assign_rhs2 (stmt);
return true;
}
/* If-convert on a and pattern with a common else block. The inner
if is specified by its INNER_COND_BB, the outer by OUTER_COND_BB.
inner_inv, outer_inv and result_inv indicate whether the conditions
are inverted.
Returns true if the edges to the common else basic-block were merged. */
static bool
ifcombine_ifandif (basic_block inner_cond_bb, bool inner_inv,
basic_block outer_cond_bb, bool outer_inv, bool result_inv)
{
gimple_stmt_iterator gsi;
gimple inner_cond, outer_cond;
tree name1, name2, bit1, bit2, bits1, bits2;
inner_cond = last_stmt (inner_cond_bb);
if (!inner_cond
|| gimple_code (inner_cond) != GIMPLE_COND)
return false;
outer_cond = last_stmt (outer_cond_bb);
if (!outer_cond
|| gimple_code (outer_cond) != GIMPLE_COND)
return false;
/* See if we test a single bit of the same name in both tests. In
that case remove the outer test, merging both else edges,
and change the inner one to test for
name & (bit1 | bit2) == (bit1 | bit2). */
if (recognize_single_bit_test (inner_cond, &name1, &bit1, inner_inv)
&& recognize_single_bit_test (outer_cond, &name2, &bit2, outer_inv)
&& name1 == name2)
{
tree t, t2;
/* Do it. */
gsi = gsi_for_stmt (inner_cond);
t = fold_build2 (LSHIFT_EXPR, TREE_TYPE (name1),
build_int_cst (TREE_TYPE (name1), 1), bit1);
t2 = fold_build2 (LSHIFT_EXPR, TREE_TYPE (name1),
build_int_cst (TREE_TYPE (name1), 1), bit2);
t = fold_build2 (BIT_IOR_EXPR, TREE_TYPE (name1), t, t2);
t = force_gimple_operand_gsi (&gsi, t, true, NULL_TREE,
true, GSI_SAME_STMT);
t2 = fold_build2 (BIT_AND_EXPR, TREE_TYPE (name1), name1, t);
t2 = force_gimple_operand_gsi (&gsi, t2, true, NULL_TREE,
true, GSI_SAME_STMT);
t = fold_build2 (result_inv ? NE_EXPR : EQ_EXPR,
boolean_type_node, t2, t);
t = canonicalize_cond_expr_cond (t);
if (!t)
return false;
gimple_cond_set_condition_from_tree (inner_cond, t);
update_stmt (inner_cond);
/* Leave CFG optimization to cfg_cleanup. */
gimple_cond_set_condition_from_tree (outer_cond,
outer_inv ? boolean_false_node : boolean_true_node);
update_stmt (outer_cond);
if (dump_file)
{
fprintf (dump_file, "optimizing double bit test to ");
print_generic_expr (dump_file, name1, 0);
fprintf (dump_file, " & T == T\nwith temporary T = (1 << ");
print_generic_expr (dump_file, bit1, 0);
fprintf (dump_file, ") | (1 << ");
print_generic_expr (dump_file, bit2, 0);
fprintf (dump_file, ")\n");
}
return true;
}
/* See if we have two bit tests of the same name in both tests.
In that case remove the outer test and change the inner one to
test for name & (bits1 | bits2) != 0. */
else if (recognize_bits_test (inner_cond, &name1, &bits1, !inner_inv)
&& recognize_bits_test (outer_cond, &name2, &bits2, !outer_inv))
{
gimple_stmt_iterator gsi;
tree t;
/* Find the common name which is bit-tested. */
if (name1 == name2)
;
else if (bits1 == bits2)
{
t = name2;
name2 = bits2;
bits2 = t;
t = name1;
name1 = bits1;
bits1 = t;
}
else if (name1 == bits2)
{
t = name2;
name2 = bits2;
bits2 = t;
}
else if (bits1 == name2)
{
t = name1;
name1 = bits1;
bits1 = t;
}
else
return false;
/* As we strip non-widening conversions in finding a common
name that is tested make sure to end up with an integral
type for building the bit operations. */
if (TYPE_PRECISION (TREE_TYPE (bits1))
>= TYPE_PRECISION (TREE_TYPE (bits2)))
{
bits1 = fold_convert (unsigned_type_for (TREE_TYPE (bits1)), bits1);
name1 = fold_convert (TREE_TYPE (bits1), name1);
bits2 = fold_convert (unsigned_type_for (TREE_TYPE (bits2)), bits2);
bits2 = fold_convert (TREE_TYPE (bits1), bits2);
}
else
{
bits2 = fold_convert (unsigned_type_for (TREE_TYPE (bits2)), bits2);
name1 = fold_convert (TREE_TYPE (bits2), name1);
bits1 = fold_convert (unsigned_type_for (TREE_TYPE (bits1)), bits1);
bits1 = fold_convert (TREE_TYPE (bits2), bits1);
}
/* Do it. */
gsi = gsi_for_stmt (inner_cond);
t = fold_build2 (BIT_IOR_EXPR, TREE_TYPE (name1), bits1, bits2);
t = force_gimple_operand_gsi (&gsi, t, true, NULL_TREE,
true, GSI_SAME_STMT);
t = fold_build2 (BIT_AND_EXPR, TREE_TYPE (name1), name1, t);
t = force_gimple_operand_gsi (&gsi, t, true, NULL_TREE,
true, GSI_SAME_STMT);
t = fold_build2 (result_inv ? NE_EXPR : EQ_EXPR, boolean_type_node, t,
build_int_cst (TREE_TYPE (t), 0));
t = canonicalize_cond_expr_cond (t);
if (!t)
return false;
gimple_cond_set_condition_from_tree (inner_cond, t);
update_stmt (inner_cond);
/* Leave CFG optimization to cfg_cleanup. */
gimple_cond_set_condition_from_tree (outer_cond,
outer_inv ? boolean_false_node : boolean_true_node);
update_stmt (outer_cond);
if (dump_file)
{
fprintf (dump_file, "optimizing bits or bits test to ");
print_generic_expr (dump_file, name1, 0);
fprintf (dump_file, " & T != 0\nwith temporary T = ");
print_generic_expr (dump_file, bits1, 0);
fprintf (dump_file, " | ");
print_generic_expr (dump_file, bits2, 0);
fprintf (dump_file, "\n");
}
return true;
}
/* See if we have two comparisons that we can merge into one. */
else if (TREE_CODE_CLASS (gimple_cond_code (inner_cond)) == tcc_comparison
&& TREE_CODE_CLASS (gimple_cond_code (outer_cond)) == tcc_comparison)
{
tree t;
enum tree_code inner_cond_code = gimple_cond_code (inner_cond);
enum tree_code outer_cond_code = gimple_cond_code (outer_cond);
/* Invert comparisons if necessary (and possible). */
if (inner_inv)
inner_cond_code = invert_tree_comparison (inner_cond_code,
HONOR_NANS (TYPE_MODE (TREE_TYPE (gimple_cond_lhs (inner_cond)))));
if (inner_cond_code == ERROR_MARK)
return false;
if (outer_inv)
outer_cond_code = invert_tree_comparison (outer_cond_code,
HONOR_NANS (TYPE_MODE (TREE_TYPE (gimple_cond_lhs (outer_cond)))));
if (outer_cond_code == ERROR_MARK)
return false;
/* Don't return false so fast, try maybe_fold_or_comparisons? */
if (!(t = maybe_fold_and_comparisons (inner_cond_code,
gimple_cond_lhs (inner_cond),
gimple_cond_rhs (inner_cond),
outer_cond_code,
gimple_cond_lhs (outer_cond),
gimple_cond_rhs (outer_cond))))
return false;
if (result_inv)
t = fold_build1 (TRUTH_NOT_EXPR, TREE_TYPE (t), t);
t = canonicalize_cond_expr_cond (t);
if (!t)
return false;
gimple_cond_set_condition_from_tree (inner_cond, t);
update_stmt (inner_cond);
/* Leave CFG optimization to cfg_cleanup. */
gimple_cond_set_condition_from_tree (outer_cond,
outer_inv ? boolean_false_node : boolean_true_node);
update_stmt (outer_cond);
if (dump_file)
{
fprintf (dump_file, "optimizing two comparisons to ");
print_generic_expr (dump_file, t, 0);
fprintf (dump_file, "\n");
}
return true;
}
return false;
}
/* Recognize a CFG pattern and dispatch to the appropriate
if-conversion helper. We start with BB as the innermost
worker basic-block. Returns true if a transformation was done. */
static bool
tree_ssa_ifcombine_bb (basic_block inner_cond_bb)
{
basic_block then_bb = NULL, else_bb = NULL;
if (!recognize_if_then_else (inner_cond_bb, &then_bb, &else_bb))
return false;
/* Recognize && and || of two conditions with a common
then/else block which entry edges we can merge. That is:
if (a || b)
;
and
if (a && b)
;
This requires a single predecessor of the inner cond_bb. */
if (single_pred_p (inner_cond_bb))
{
basic_block outer_cond_bb = single_pred (inner_cond_bb);
/* The && form is characterized by a common else_bb with
the two edges leading to it mergable. The latter is
guaranteed by matching PHI arguments in the else_bb and
the inner cond_bb having no side-effects. */
if (recognize_if_then_else (outer_cond_bb, &inner_cond_bb, &else_bb)
&& same_phi_args_p (outer_cond_bb, inner_cond_bb, else_bb)
&& bb_no_side_effects_p (inner_cond_bb))
{
/* We have
<outer_cond_bb>
if (q) goto inner_cond_bb; else goto else_bb;
<inner_cond_bb>
if (p) goto ...; else goto else_bb;
...
<else_bb>
...
*/
return ifcombine_ifandif (inner_cond_bb, false, outer_cond_bb, false,
false);
}
/* And a version where the outer condition is negated. */
if (recognize_if_then_else (outer_cond_bb, &else_bb, &inner_cond_bb)
&& same_phi_args_p (outer_cond_bb, inner_cond_bb, else_bb)
&& bb_no_side_effects_p (inner_cond_bb))
{
/* We have
<outer_cond_bb>
if (q) goto else_bb; else goto inner_cond_bb;
<inner_cond_bb>
if (p) goto ...; else goto else_bb;
...
<else_bb>
...
*/
return ifcombine_ifandif (inner_cond_bb, false, outer_cond_bb, true,
false);
}
/* The || form is characterized by a common then_bb with the
two edges leading to it mergable. The latter is guaranteed
by matching PHI arguments in the then_bb and the inner cond_bb
having no side-effects. */
if (recognize_if_then_else (outer_cond_bb, &then_bb, &inner_cond_bb)
&& same_phi_args_p (outer_cond_bb, inner_cond_bb, then_bb)
&& bb_no_side_effects_p (inner_cond_bb))
{
/* We have
<outer_cond_bb>
if (q) goto then_bb; else goto inner_cond_bb;
<inner_cond_bb>
if (q) goto then_bb; else goto ...;
<then_bb>
...
*/
return ifcombine_ifandif (inner_cond_bb, true, outer_cond_bb, true,
true);
}
/* And a version where the outer condition is negated. */
if (recognize_if_then_else (outer_cond_bb, &inner_cond_bb, &then_bb)
&& same_phi_args_p (outer_cond_bb, inner_cond_bb, then_bb)
&& bb_no_side_effects_p (inner_cond_bb))
{
/* We have
<outer_cond_bb>
if (q) goto inner_cond_bb; else goto then_bb;
<inner_cond_bb>
if (q) goto then_bb; else goto ...;
<then_bb>
...
*/
return ifcombine_ifandif (inner_cond_bb, true, outer_cond_bb, false,
true);
}
}
return false;
}
/* Main entry for the tree if-conversion pass. */
static unsigned int
tree_ssa_ifcombine (void)
{
basic_block *bbs;
bool cfg_changed = false;
int i;
bbs = blocks_in_phiopt_order ();
calculate_dominance_info (CDI_DOMINATORS);
for (i = 0; i < n_basic_blocks - NUM_FIXED_BLOCKS; ++i)
{
basic_block bb = bbs[i];
gimple stmt = last_stmt (bb);
if (stmt
&& gimple_code (stmt) == GIMPLE_COND)
cfg_changed |= tree_ssa_ifcombine_bb (bb);
}
free (bbs);
return cfg_changed ? TODO_cleanup_cfg : 0;
}
static bool
gate_ifcombine (void)
{
return 1;
}
namespace {
const pass_data pass_data_tree_ifcombine =
{
GIMPLE_PASS, /* type */
"ifcombine", /* name */
OPTGROUP_NONE, /* optinfo_flags */
true, /* has_gate */
true, /* has_execute */
TV_TREE_IFCOMBINE, /* tv_id */
( PROP_cfg | PROP_ssa ), /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
( TODO_update_ssa | TODO_verify_ssa ), /* todo_flags_finish */
};
class pass_tree_ifcombine : public gimple_opt_pass
{
public:
pass_tree_ifcombine(gcc::context *ctxt)
: gimple_opt_pass(pass_data_tree_ifcombine, ctxt)
{}
/* opt_pass methods: */
bool gate () { return gate_ifcombine (); }
unsigned int execute () { return tree_ssa_ifcombine (); }
}; // class pass_tree_ifcombine
} // anon namespace
gimple_opt_pass *
make_pass_tree_ifcombine (gcc::context *ctxt)
{
return new pass_tree_ifcombine (ctxt);
}
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