/* Definitions for describing one tree-ssa optimization pass.
- Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@redhat.com>
This file is part of GCC.
#ifndef GCC_TREE_PASS_H
#define GCC_TREE_PASS_H 1
-/* In tree-dump.c */
+#include "timevar.h"
/* Different tree dump places. When you add new tree dump places,
extend the DUMP_FILES array in tree-dump.c. */
#define TDF_DIAGNOSTIC (1 << 15) /* A dump to be put in a diagnostic
message. */
+#define TDF_VERBOSE (1 << 16) /* A dump that uses the full tree
+ dumper to print stmts. */
+#define TDF_RHS_ONLY (1 << 17) /* a flag to only print the RHS of
+ a gimple stmt. */
+#define TDF_ASMNAME (1 << 18) /* display asm names of decls */
+#define TDF_EH (1 << 19) /* display EH region number
+ holding this gimple statement. */
+#define TDF_NOUID (1 << 20) /* omit UIDs from dumps. */
+#define TDF_ALIAS (1 << 21) /* display alias information */
+
+
+/* In tree-dump.c */
-extern char *get_dump_file_name (enum tree_dump_index);
-extern int dump_enabled_p (enum tree_dump_index);
-extern int dump_initialized_p (enum tree_dump_index);
-extern FILE *dump_begin (enum tree_dump_index, int *);
-extern void dump_end (enum tree_dump_index, FILE *);
+extern char *get_dump_file_name (int);
+extern int dump_enabled_p (int);
+extern int dump_initialized_p (int);
+extern FILE *dump_begin (int, int *);
+extern void dump_end (int, FILE *);
extern void dump_node (const_tree, int, FILE *);
extern int dump_switch_p (const char *);
-extern const char *dump_flag_name (enum tree_dump_index);
+extern const char *dump_flag_name (int);
/* Global variables used to communicate with passes. */
extern FILE *dump_file;
extern const char *dump_file_name;
/* Return the dump_file_info for the given phase. */
-extern struct dump_file_info *get_dump_file_info (enum tree_dump_index);
+extern struct dump_file_info *get_dump_file_info (int);
+
+/* Optimization pass type. */
+enum opt_pass_type
+{
+ GIMPLE_PASS,
+ RTL_PASS,
+ SIMPLE_IPA_PASS,
+ IPA_PASS
+};
/* Describe one pass; this is the common part shared across different pass
types. */
struct opt_pass
{
/* Optimization pass type. */
- enum opt_pass_type {
- GIMPLE_PASS,
- RTL_PASS,
- SIMPLE_IPA_PASS
- } type;
- /* Terse name of the pass used as a fragment of the dump file name. */
+ enum opt_pass_type type;
+
+ /* Terse name of the pass used as a fragment of the dump file
+ name. If the name starts with a star, no dump happens. */
const char *name;
/* If non-null, this pass and all sub-passes are executed only if
/* The timevar id associated with this pass. */
/* ??? Ideally would be dynamically assigned. */
- unsigned int tv_id;
+ timevar_id_t tv_id;
/* Sets of properties input and output from this pass. */
unsigned int properties_required;
unsigned int todo_flags_finish;
};
-/* Description or GIMPLE pass. */
+/* Description of GIMPLE pass. */
struct gimple_opt_pass
{
struct opt_pass pass;
};
-/* Decription of RTL pass. */
+/* Description of RTL pass. */
struct rtl_opt_pass
{
struct opt_pass pass;
};
-/* Description if simple IPA pass. Simple IPA passes have just one execute
+struct varpool_node;
+struct cgraph_node;
+struct cgraph_node_set_def;
+struct varpool_node_set_def;
+
+/* Description of IPA pass with generate summary, write, execute, read and
+ transform stages. */
+struct ipa_opt_pass_d
+{
+ struct opt_pass pass;
+
+ /* IPA passes can analyze function body and variable initializers
+ using this hook and produce summary. */
+ void (*generate_summary) (void);
+
+ /* This hook is used to serialize IPA summaries on disk. */
+ void (*write_summary) (struct cgraph_node_set_def *,
+ struct varpool_node_set_def *);
+
+ /* This hook is used to deserialize IPA summaries from disk. */
+ void (*read_summary) (void);
+
+ /* This hook is used to serialize IPA optimization summaries on disk. */
+ void (*write_optimization_summary) (struct cgraph_node_set_def *,
+ struct varpool_node_set_def *);
+
+ /* This hook is used to deserialize IPA summaries from disk. */
+ void (*read_optimization_summary) (void);
+
+ /* Hook to convert gimple stmt uids into true gimple statements. The second
+ parameter is an array of statements indexed by their uid. */
+ void (*stmt_fixup) (struct cgraph_node *, gimple *);
+
+ /* Results of interprocedural propagation of an IPA pass is applied to
+ function body via this hook. */
+ unsigned int function_transform_todo_flags_start;
+ unsigned int (*function_transform) (struct cgraph_node *);
+ void (*variable_transform) (struct varpool_node *);
+};
+
+/* Description of simple IPA pass. Simple IPA passes have just one execute
hook. */
struct simple_ipa_opt_pass
{
#define PROP_ssa (1 << 5)
#define PROP_no_crit_edges (1 << 6)
#define PROP_rtl (1 << 7)
-#define PROP_alias (1 << 8)
-#define PROP_gimple_lomp (1 << 9) /* lowered OpenMP directives */
+#define PROP_gimple_lomp (1 << 8) /* lowered OpenMP directives */
+#define PROP_cfglayout (1 << 9) /* cfglayout mode on RTL */
+#define PROP_gimple_lcx (1 << 10) /* lowered complex */
#define PROP_trees \
(PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh | PROP_gimple_lomp)
/* To-do flags. */
#define TODO_dump_func (1 << 0)
#define TODO_ggc_collect (1 << 1)
-#define TODO_verify_ssa (1 << 2)
+#define TODO_verify_ssa (1 << 2)
#define TODO_verify_flow (1 << 3)
#define TODO_verify_stmts (1 << 4)
#define TODO_cleanup_cfg (1 << 5)
-#define TODO_verify_loops (1 << 6)
#define TODO_dump_cgraph (1 << 7)
#define TODO_remove_functions (1 << 8)
#define TODO_rebuild_frequencies (1 << 9)
IDF is done. This is used by passes that need the PHI nodes for
O_j even if it means that some arguments will come from the default
definition of O_j's symbol (e.g., pass_linear_transform).
-
+
WARNING: If you need to use this flag, chances are that your pass
may be doing something wrong. Inserting PHI nodes for an old name
where not all edges carry a new replacement may lead to silent
and the memory footprint for VAR_DECLs. */
#define TODO_remove_unused_locals (1 << 15)
-/* Internally used for the first in a sequence of passes. It is set
- for the passes that are handed to register_dump_files. */
-#define TODO_set_props (1 << 16)
-
/* Call df_finish at the end of the pass. This is done after all of
the dumpers have been allowed to run so that they have access to
the instance before it is destroyed. */
#define TODO_mark_first_instance (1 << 19)
/* Rebuild aliasing info. */
-#define TODO_rebuild_alias (1 << 20)
+#define TODO_rebuild_alias (1 << 20)
+/* Rebuild the addressable-vars bitmap and do register promotion. */
+#define TODO_update_address_taken (1 << 21)
+
+/* Internally used in execute_function_todo(). */
#define TODO_update_ssa_any \
(TODO_update_ssa \
| TODO_update_ssa_no_phi \
#define TODO_verify_all \
(TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts)
+
+/* Register pass info. */
+
+enum pass_positioning_ops
+{
+ PASS_POS_INSERT_AFTER, /* Insert after the reference pass. */
+ PASS_POS_INSERT_BEFORE, /* Insert before the reference pass. */
+ PASS_POS_REPLACE /* Replace the reference pass. */
+};
+
+struct register_pass_info
+{
+ struct opt_pass *pass; /* New pass to register. */
+ const char *reference_pass_name; /* Name of the reference pass for hooking
+ up the new pass. */
+ int ref_pass_instance_number; /* Insert the pass at the specified
+ instance number of the reference pass.
+ Do it for every instance if it is 0. */
+ enum pass_positioning_ops pos_op; /* how to insert the new pass. */
+};
+
extern void tree_lowering_passes (tree decl);
extern struct gimple_opt_pass pass_mudflap_1;
extern struct gimple_opt_pass pass_mudflap_2;
-extern struct gimple_opt_pass pass_remove_useless_stmts;
extern struct gimple_opt_pass pass_lower_cf;
extern struct gimple_opt_pass pass_refactor_eh;
extern struct gimple_opt_pass pass_lower_eh;
+extern struct gimple_opt_pass pass_lower_eh_dispatch;
+extern struct gimple_opt_pass pass_lower_resx;
extern struct gimple_opt_pass pass_build_cfg;
extern struct gimple_opt_pass pass_tree_profile;
extern struct gimple_opt_pass pass_early_tree_profile;
extern struct gimple_opt_pass pass_cleanup_cfg;
extern struct gimple_opt_pass pass_referenced_vars;
+extern struct gimple_opt_pass pass_cleanup_eh;
+extern struct gimple_opt_pass pass_fixup_cfg;
extern struct gimple_opt_pass pass_sra;
extern struct gimple_opt_pass pass_sra_early;
+extern struct gimple_opt_pass pass_early_ipa_sra;
extern struct gimple_opt_pass pass_tail_recursion;
extern struct gimple_opt_pass pass_tail_calls;
extern struct gimple_opt_pass pass_tree_loop;
extern struct gimple_opt_pass pass_scev_cprop;
extern struct gimple_opt_pass pass_empty_loop;
extern struct gimple_opt_pass pass_record_bounds;
+extern struct gimple_opt_pass pass_graphite_transforms;
extern struct gimple_opt_pass pass_if_conversion;
extern struct gimple_opt_pass pass_loop_distribution;
extern struct gimple_opt_pass pass_vectorize;
+extern struct gimple_opt_pass pass_slp_vectorize;
extern struct gimple_opt_pass pass_complete_unroll;
+extern struct gimple_opt_pass pass_complete_unrolli;
extern struct gimple_opt_pass pass_parallelize_loops;
extern struct gimple_opt_pass pass_loop_prefetch;
extern struct gimple_opt_pass pass_iv_optimize;
extern struct gimple_opt_pass pass_ccp;
extern struct gimple_opt_pass pass_phi_only_cprop;
extern struct gimple_opt_pass pass_build_ssa;
-extern struct gimple_opt_pass pass_del_ssa;
extern struct gimple_opt_pass pass_build_alias;
+extern struct gimple_opt_pass pass_build_ealias;
extern struct gimple_opt_pass pass_dominator;
extern struct gimple_opt_pass pass_dce;
extern struct gimple_opt_pass pass_dce_loop;
extern struct gimple_opt_pass pass_cd_dce;
+extern struct gimple_opt_pass pass_call_cdce;
extern struct gimple_opt_pass pass_merge_phi;
extern struct gimple_opt_pass pass_split_crit_edges;
extern struct gimple_opt_pass pass_pre;
extern struct gimple_opt_pass pass_profile;
+extern struct gimple_opt_pass pass_strip_predict_hints;
extern struct gimple_opt_pass pass_lower_complex_O0;
extern struct gimple_opt_pass pass_lower_complex;
extern struct gimple_opt_pass pass_lower_vector;
extern struct gimple_opt_pass pass_lower_vector_ssa;
extern struct gimple_opt_pass pass_lower_omp;
+extern struct gimple_opt_pass pass_diagnose_omp_blocks;
extern struct gimple_opt_pass pass_expand_omp;
extern struct gimple_opt_pass pass_expand_omp_ssa;
extern struct gimple_opt_pass pass_object_sizes;
extern struct gimple_opt_pass pass_late_warn_uninitialized;
extern struct gimple_opt_pass pass_cse_reciprocals;
extern struct gimple_opt_pass pass_cse_sincos;
-extern struct gimple_opt_pass pass_convert_to_rsqrt;
+extern struct gimple_opt_pass pass_optimize_bswap;
+extern struct gimple_opt_pass pass_optimize_widening_mul;
extern struct gimple_opt_pass pass_warn_function_return;
extern struct gimple_opt_pass pass_warn_function_noreturn;
extern struct gimple_opt_pass pass_cselim;
extern struct gimple_opt_pass pass_phiprop;
extern struct gimple_opt_pass pass_tree_ifcombine;
extern struct gimple_opt_pass pass_dse;
-extern struct gimple_opt_pass pass_simple_dse;
extern struct gimple_opt_pass pass_nrv;
-extern struct gimple_opt_pass pass_mark_used_blocks;
extern struct gimple_opt_pass pass_rename_ssa_copies;
extern struct gimple_opt_pass pass_rest_of_compilation;
extern struct gimple_opt_pass pass_sink_code;
extern struct gimple_opt_pass pass_linear_transform;
extern struct gimple_opt_pass pass_check_data_deps;
extern struct gimple_opt_pass pass_copy_prop;
-extern struct gimple_opt_pass pass_store_ccp;
extern struct gimple_opt_pass pass_vrp;
-extern struct gimple_opt_pass pass_create_structure_vars;
extern struct gimple_opt_pass pass_uncprop;
extern struct gimple_opt_pass pass_return_slot;
extern struct gimple_opt_pass pass_reassoc;
extern struct gimple_opt_pass pass_rebuild_cgraph_edges;
+extern struct gimple_opt_pass pass_remove_cgraph_callee_edges;
extern struct gimple_opt_pass pass_build_cgraph_edges;
-extern struct gimple_opt_pass pass_reset_cc_flags;
+extern struct gimple_opt_pass pass_local_pure_const;
+extern struct gimple_opt_pass pass_tracer;
+extern struct gimple_opt_pass pass_warn_unused_result;
/* IPA Passes */
-extern struct simple_ipa_opt_pass pass_ipa_matrix_reorg;
-extern struct simple_ipa_opt_pass pass_ipa_cp;
-extern struct simple_ipa_opt_pass pass_ipa_inline;
+extern struct simple_ipa_opt_pass pass_ipa_function_and_variable_visibility;
extern struct simple_ipa_opt_pass pass_ipa_early_inline;
-extern struct simple_ipa_opt_pass pass_ipa_reference;
-extern struct simple_ipa_opt_pass pass_ipa_pure_const;
+
+extern struct simple_ipa_opt_pass pass_early_local_passes;
+
+extern struct ipa_opt_pass_d pass_ipa_whole_program_visibility;
+extern struct ipa_opt_pass_d pass_ipa_lto_gimple_out;
+extern struct simple_ipa_opt_pass pass_ipa_increase_alignment;
+extern struct simple_ipa_opt_pass pass_ipa_matrix_reorg;
+extern struct ipa_opt_pass_d pass_ipa_inline;
+extern struct simple_ipa_opt_pass pass_ipa_free_lang_data;
+extern struct ipa_opt_pass_d pass_ipa_cp;
+extern struct ipa_opt_pass_d pass_ipa_reference;
+extern struct ipa_opt_pass_d pass_ipa_pure_const;
extern struct simple_ipa_opt_pass pass_ipa_type_escape;
extern struct simple_ipa_opt_pass pass_ipa_pta;
extern struct simple_ipa_opt_pass pass_ipa_struct_reorg;
-extern struct simple_ipa_opt_pass pass_early_local_passes;
-extern struct simple_ipa_opt_pass pass_ipa_increase_alignment;
-extern struct simple_ipa_opt_pass pass_ipa_function_and_variable_visibility;
+extern struct ipa_opt_pass_d pass_ipa_lto_wpa_fixup;
+extern struct ipa_opt_pass_d pass_ipa_lto_finish_out;
+extern struct ipa_opt_pass_d pass_ipa_profile;
extern struct gimple_opt_pass pass_all_optimizations;
extern struct gimple_opt_pass pass_cleanup_cfg_post_optimizing;
-extern struct gimple_opt_pass pass_free_cfg_annotations;
-extern struct gimple_opt_pass pass_free_datastructures;
extern struct gimple_opt_pass pass_init_datastructures;
extern struct gimple_opt_pass pass_fixup_cfg;
extern struct rtl_opt_pass pass_rtl_dse1;
extern struct rtl_opt_pass pass_rtl_dse2;
extern struct rtl_opt_pass pass_rtl_dse3;
-extern struct rtl_opt_pass pass_gcse;
-extern struct rtl_opt_pass pass_jump_bypass;
-extern struct rtl_opt_pass pass_profiling;
+extern struct rtl_opt_pass pass_rtl_cprop;
+extern struct rtl_opt_pass pass_rtl_pre;
+extern struct rtl_opt_pass pass_rtl_hoist;
+extern struct rtl_opt_pass pass_rtl_store_motion;
+extern struct rtl_opt_pass pass_cse_after_global_opts;
extern struct rtl_opt_pass pass_rtl_ifcvt;
-extern struct gimple_opt_pass pass_tracer;
extern struct rtl_opt_pass pass_into_cfg_layout_mode;
extern struct rtl_opt_pass pass_outof_cfg_layout_mode;
extern struct rtl_opt_pass pass_cse2;
extern struct rtl_opt_pass pass_df_initialize_opt;
extern struct rtl_opt_pass pass_df_initialize_no_opt;
-extern struct rtl_opt_pass pass_regclass_init;
-extern struct rtl_opt_pass pass_subregs_of_mode_init;
-extern struct rtl_opt_pass pass_subregs_of_mode_finish;
+extern struct rtl_opt_pass pass_reginfo_init;
extern struct rtl_opt_pass pass_inc_dec;
extern struct rtl_opt_pass pass_stack_ptr_mod;
extern struct rtl_opt_pass pass_initialize_regs;
extern struct rtl_opt_pass pass_fast_rtl_byte_dce;
extern struct rtl_opt_pass pass_lower_subreg2;
extern struct rtl_opt_pass pass_mode_switching;
-extern struct rtl_opt_pass pass_see;
extern struct rtl_opt_pass pass_sms;
extern struct rtl_opt_pass pass_sched;
-extern struct rtl_opt_pass pass_local_alloc;
-extern struct rtl_opt_pass pass_global_alloc;
+extern struct rtl_opt_pass pass_ira;
extern struct rtl_opt_pass pass_postreload;
extern struct rtl_opt_pass pass_clean_state;
extern struct rtl_opt_pass pass_branch_prob;
extern struct gimple_opt_pass pass_release_ssa_names;
extern struct gimple_opt_pass pass_early_inline;
extern struct gimple_opt_pass pass_inline_parameters;
-extern struct gimple_opt_pass pass_apply_inline;
extern struct gimple_opt_pass pass_all_early_optimizations;
extern struct gimple_opt_pass pass_update_address_taken;
+extern struct gimple_opt_pass pass_convert_switch;
/* The root of the compilation pass tree, once constructed. */
-extern struct opt_pass *all_passes, *all_ipa_passes, *all_lowering_passes;
+extern struct opt_pass *all_passes, *all_small_ipa_passes, *all_lowering_passes,
+ *all_regular_ipa_passes, *all_lto_gen_passes;
+
+/* Define a list of pass lists so that both passes.c and plugins can easily
+ find all the pass lists. */
+#define GCC_PASS_LISTS \
+ DEF_PASS_LIST (all_lowering_passes) \
+ DEF_PASS_LIST (all_small_ipa_passes) \
+ DEF_PASS_LIST (all_regular_ipa_passes) \
+ DEF_PASS_LIST (all_lto_gen_passes) \
+ DEF_PASS_LIST (all_passes)
+
+#define DEF_PASS_LIST(LIST) PASS_LIST_NO_##LIST,
+enum
+{
+ GCC_PASS_LISTS
+ PASS_LIST_NUM
+};
+#undef DEF_PASS_LIST
+
+/* This is used by plugins, and should also be used in
+ passes.c:register_pass. */
+extern struct opt_pass **gcc_pass_lists[];
+/* Current optimization pass. */
+extern struct opt_pass *current_pass;
+
+extern struct opt_pass * get_pass_for_id (int);
+extern bool execute_one_pass (struct opt_pass *);
extern void execute_pass_list (struct opt_pass *);
extern void execute_ipa_pass_list (struct opt_pass *);
+extern void execute_ipa_summary_passes (struct ipa_opt_pass_d *);
+extern void execute_all_ipa_transforms (void);
+extern void execute_all_ipa_stmt_fixups (struct cgraph_node *, gimple *);
+extern bool pass_init_dump_file (struct opt_pass *);
+extern void pass_fini_dump_file (struct opt_pass *);
+
+extern const char *get_current_pass_name (void);
extern void print_current_pass (FILE *);
extern void debug_pass (void);
+extern void ipa_write_summaries (void);
+extern void ipa_write_optimization_summaries (struct cgraph_node_set_def *,
+ struct varpool_node_set_def *);
+extern void ipa_read_summaries (void);
+extern void ipa_read_optimization_summaries (void);
+extern void register_one_dump_file (struct opt_pass *);
+extern bool function_called_by_processed_nodes_p (void);
+extern void register_pass (struct register_pass_info *);
/* Set to true if the pass is called the first time during compilation of the
current function. Note that using this information in the optimization
directly in jump threading, and avoid peeling them next time. */
extern bool first_pass_instance;
+/* Declare for plugins. */
+extern void do_per_function_toporder (void (*) (void *), void *);
+
#endif /* GCC_TREE_PASS_H */