/* Definitions for describing one tree-ssa optimization pass.
- Copyright (C) 2004 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005 Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@redhat.com>
This file is part of GCC.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#ifndef GCC_TREE_PASS_H
#define GCC_TREE_PASS_H 1
+/* In tree-dump.c */
+
+/* Different tree dump places. When you add new tree dump places,
+ extend the DUMP_FILES array in tree-dump.c. */
+enum tree_dump_index
+{
+ TDI_none, /* No dump */
+ TDI_cgraph, /* dump function call graph. */
+ TDI_tu, /* dump the whole translation unit. */
+ TDI_class, /* dump class hierarchy. */
+ TDI_original, /* dump each function before optimizing it */
+ TDI_generic, /* dump each function after genericizing it */
+ TDI_nested, /* dump each function after unnesting it */
+ TDI_inlined, /* dump each function after inlining
+ within it. */
+ TDI_vcg, /* create a VCG graph file for each
+ function's flowgraph. */
+ TDI_tree_all, /* enable all the GENERIC/GIMPLE dumps. */
+ TDI_rtl_all, /* enable all the RTL dumps. */
+ TDI_ipa_all, /* enable all the IPA dumps. */
+
+ TDI_end
+};
+
+/* Bit masks to control dumping. Not all values are applicable to
+ all dumps. Add new ones at the end. When you define new
+ values, extend the DUMP_OPTIONS array in tree-dump.c */
+#define TDF_ADDRESS (1 << 0) /* dump node addresses */
+#define TDF_SLIM (1 << 1) /* don't go wild following links */
+#define TDF_RAW (1 << 2) /* don't unparse the function */
+#define TDF_DETAILS (1 << 3) /* show more detailed info about
+ each pass */
+#define TDF_STATS (1 << 4) /* dump various statistics about
+ each pass */
+#define TDF_BLOCKS (1 << 5) /* display basic block boundaries */
+#define TDF_VOPS (1 << 6) /* display virtual operands */
+#define TDF_LINENO (1 << 7) /* display statement line numbers */
+#define TDF_UID (1 << 8) /* display decl UIDs */
+
+#define TDF_TREE (1 << 9) /* is a tree dump */
+#define TDF_RTL (1 << 10) /* is a RTL dump */
+#define TDF_IPA (1 << 11) /* is an IPA dump */
+#define TDF_STMTADDR (1 << 12) /* Address of stmt. */
+
+#define TDF_GRAPH (1 << 13) /* a graph dump is being emitted */
+#define TDF_CHAIN (1 << 14) /* Follow TREE_CHAIN when
+ dumping *_DECLs. */
+
+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 void dump_node (tree, int, FILE *);
+extern int dump_switch_p (const char *);
+extern const char *dump_flag_name (enum tree_dump_index);
+
/* Global variables used to communicate with passes. */
extern FILE *dump_file;
extern int dump_flags;
extern const char *dump_file_name;
-extern struct bitmap_head_def *vars_to_rename;
-
/* Return the dump_file_info for the given phase. */
extern struct dump_file_info *get_dump_file_info (enum tree_dump_index);
{
const char *suffix; /* suffix to give output file. */
const char *swtch; /* command line switch */
+ const char *glob; /* command line glob */
int flags; /* user flags */
int state; /* state of play */
int num; /* dump file number */
#define PROP_no_crit_edges (1 << 7)
#define PROP_rtl (1 << 8)
#define PROP_alias (1 << 9)
+#define PROP_gimple_lomp (1 << 10) /* lowered OpenMP directives */
#define PROP_trees \
- (PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh)
+ (PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh | PROP_gimple_lomp)
/* To-do flags. */
-#define TODO_dump_func (1 << 0) /* pass doesn't dump itself */
-#define TODO_rename_vars (1 << 1) /* rewrite new vars to ssa */
-#define TODO_ggc_collect (1 << 2) /* run the collector */
-#define TODO_verify_ssa (1 << 3)
-#define TODO_verify_flow (1 << 4)
-#define TODO_verify_stmts (1 << 5)
+#define TODO_dump_func (1 << 0)
+#define TODO_ggc_collect (1 << 1)
+#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)
+
+/* To-do flags for calls to update_ssa. */
+
+/* Update the SSA form inserting PHI nodes for newly exposed symbols
+ and virtual names marked for updating. When updating real names,
+ only insert PHI nodes for a real name O_j in blocks reached by all
+ the new and old definitions for O_j. If the iterated dominance
+ frontier for O_j is not pruned, we may end up inserting PHI nodes
+ in blocks that have one or more edges with no incoming definition
+ for O_j. This would lead to uninitialized warnings for O_j's
+ symbol. */
+#define TODO_update_ssa (1 << 7)
+
+/* Update the SSA form without inserting any new PHI nodes at all.
+ This is used by passes that have either inserted all the PHI nodes
+ themselves or passes that need only to patch use-def and def-def
+ chains for virtuals (e.g., DCE). */
+#define TODO_update_ssa_no_phi (1 << 8)
+
+/* Insert PHI nodes everywhere they are needed. No pruning of the
+ 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
+ codegen errors or spurious uninitialized warnings. */
+#define TODO_update_ssa_full_phi (1 << 9)
+
+/* Passes that update the SSA form on their own may want to delegate
+ the updating of virtual names to the generic updater. Since FUD
+ chains are easier to maintain, this simplifies the work they need
+ to do. NOTE: If this flag is used, any OLD->NEW mappings for real
+ names are explicitly destroyed and only the symbols marked for
+ renaming are processed. */
+#define TODO_update_ssa_only_virtuals (1 << 10)
+
+/* Some passes leave unused local variables that can be removed from
+ cfun->unexpanded_var_list. This reduces the size of dump files and
+ the memory footprint for VAR_DECLs. */
+#define TODO_remove_unused_locals (1 << 11)
+
+/* 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 << 12)
+
+#define TODO_update_ssa_any \
+ (TODO_update_ssa \
+ | TODO_update_ssa_no_phi \
+ | TODO_update_ssa_full_phi \
+ | TODO_update_ssa_only_virtuals)
#define TODO_verify_all \
(TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts)
+extern void tree_lowering_passes (tree decl);
extern struct tree_opt_pass pass_mudflap_1;
extern struct tree_opt_pass pass_mudflap_2;
extern struct tree_opt_pass pass_lower_eh;
extern struct tree_opt_pass pass_build_cfg;
extern struct tree_opt_pass pass_tree_profile;
+extern struct tree_opt_pass pass_early_tree_profile;
+extern struct tree_opt_pass pass_cleanup_cfg;
extern struct tree_opt_pass pass_referenced_vars;
extern struct tree_opt_pass pass_sra;
extern struct tree_opt_pass pass_tail_recursion;
extern struct tree_opt_pass pass_tail_calls;
-extern struct tree_opt_pass pass_loop;
-extern struct tree_opt_pass pass_loop_init;
+extern struct tree_opt_pass pass_tree_loop;
+extern struct tree_opt_pass pass_tree_loop_init;
extern struct tree_opt_pass pass_lim;
-extern struct tree_opt_pass pass_unswitch;
+extern struct tree_opt_pass pass_tree_unswitch;
extern struct tree_opt_pass pass_iv_canon;
+extern struct tree_opt_pass pass_scev_cprop;
+extern struct tree_opt_pass pass_empty_loop;
+extern struct tree_opt_pass pass_record_bounds;
extern struct tree_opt_pass pass_if_conversion;
extern struct tree_opt_pass pass_vectorize;
extern struct tree_opt_pass pass_complete_unroll;
extern struct tree_opt_pass pass_iv_optimize;
-extern struct tree_opt_pass pass_loop_done;
+extern struct tree_opt_pass pass_tree_loop_done;
extern struct tree_opt_pass pass_ch;
extern struct tree_opt_pass pass_ccp;
extern struct tree_opt_pass pass_build_ssa;
extern struct tree_opt_pass pass_del_ssa;
extern struct tree_opt_pass pass_dominator;
extern struct tree_opt_pass pass_dce;
+extern struct tree_opt_pass pass_dce_loop;
extern struct tree_opt_pass pass_cd_dce;
+extern struct tree_opt_pass pass_merge_phi;
extern struct tree_opt_pass pass_may_alias;
extern struct tree_opt_pass pass_split_crit_edges;
extern struct tree_opt_pass pass_pre;
extern struct tree_opt_pass pass_profile;
-extern struct tree_opt_pass pass_pre_expand;
+extern struct tree_opt_pass pass_lower_complex_O0;
+extern struct tree_opt_pass pass_lower_complex;
+extern struct tree_opt_pass pass_lower_vector;
extern struct tree_opt_pass pass_lower_vector_ssa;
+extern struct tree_opt_pass pass_lower_omp;
+extern struct tree_opt_pass pass_expand_omp;
+extern struct tree_opt_pass pass_object_sizes;
extern struct tree_opt_pass pass_fold_builtins;
+extern struct tree_opt_pass pass_stdarg;
extern struct tree_opt_pass pass_early_warn_uninitialized;
extern struct tree_opt_pass pass_late_warn_uninitialized;
+extern struct tree_opt_pass pass_cse_reciprocals;
extern struct tree_opt_pass pass_warn_function_return;
+extern struct tree_opt_pass pass_warn_function_noreturn;
extern struct tree_opt_pass pass_phiopt;
extern struct tree_opt_pass pass_forwprop;
extern struct tree_opt_pass pass_redundant_phi;
extern struct tree_opt_pass pass_dse;
extern struct tree_opt_pass pass_nrv;
-extern struct tree_opt_pass pass_remove_useless_vars;
+extern struct tree_opt_pass pass_mark_used_blocks;
extern struct tree_opt_pass pass_rename_ssa_copies;
extern struct tree_opt_pass pass_expand;
extern struct tree_opt_pass pass_rest_of_compilation;
+extern struct tree_opt_pass pass_sink_code;
extern struct tree_opt_pass pass_fre;
extern struct tree_opt_pass pass_linear_transform;
+extern struct tree_opt_pass pass_copy_prop;
+extern struct tree_opt_pass pass_phi_only_copy_prop;
+extern struct tree_opt_pass pass_store_ccp;
+extern struct tree_opt_pass pass_store_copy_prop;
+extern struct tree_opt_pass pass_vrp;
+extern struct tree_opt_pass pass_create_structure_vars;
+extern struct tree_opt_pass pass_uncprop;
+extern struct tree_opt_pass pass_return_slot;
+extern struct tree_opt_pass pass_reassoc;
+extern struct tree_opt_pass pass_rebuild_cgraph_edges;
+
+/* IPA Passes */
+extern struct tree_opt_pass pass_ipa_cp;
+extern struct tree_opt_pass pass_ipa_inline;
+extern struct tree_opt_pass pass_early_ipa_inline;
+extern struct tree_opt_pass pass_ipa_reference;
+extern struct tree_opt_pass pass_ipa_pure_const;
+extern struct tree_opt_pass pass_ipa_type_escape;
+extern struct tree_opt_pass pass_ipa_pta;
+extern struct tree_opt_pass pass_early_local_passes;
+
+extern struct tree_opt_pass pass_all_optimizations;
+extern struct tree_opt_pass pass_cleanup_cfg_post_optimizing;
+extern struct tree_opt_pass pass_free_cfg_annotations;
+extern struct tree_opt_pass pass_free_datastructures;
+extern struct tree_opt_pass pass_init_datastructures;
+extern struct tree_opt_pass pass_fixup_cfg;
+
+extern struct tree_opt_pass pass_remove_unnecessary_notes;
+extern struct tree_opt_pass pass_init_function;
+extern struct tree_opt_pass pass_jump;
+extern struct tree_opt_pass pass_insn_locators_initialize;
+extern struct tree_opt_pass pass_rtl_eh;
+extern struct tree_opt_pass pass_initial_value_sets;
+extern struct tree_opt_pass pass_unshare_all_rtl;
+extern struct tree_opt_pass pass_instantiate_virtual_regs;
+extern struct tree_opt_pass pass_jump2;
+extern struct tree_opt_pass pass_cse;
+extern struct tree_opt_pass pass_gcse;
+extern struct tree_opt_pass pass_loop_optimize;
+extern struct tree_opt_pass pass_jump_bypass;
+extern struct tree_opt_pass pass_cfg;
+extern struct tree_opt_pass pass_profiling;
+extern struct tree_opt_pass pass_rtl_ifcvt;
+extern struct tree_opt_pass pass_tracer;
+
+extern struct tree_opt_pass pass_loop2;
+extern struct tree_opt_pass pass_rtl_loop_init;
+extern struct tree_opt_pass pass_rtl_move_loop_invariants;
+extern struct tree_opt_pass pass_rtl_unswitch;
+extern struct tree_opt_pass pass_rtl_unroll_and_peel_loops;
+extern struct tree_opt_pass pass_rtl_doloop;
+extern struct tree_opt_pass pass_rtl_loop_done;
+
+extern struct tree_opt_pass pass_web;
+extern struct tree_opt_pass pass_cse2;
+extern struct tree_opt_pass pass_life;
+extern struct tree_opt_pass pass_combine;
+extern struct tree_opt_pass pass_if_after_combine;
+extern struct tree_opt_pass pass_partition_blocks;
+extern struct tree_opt_pass pass_partition_blocks;
+extern struct tree_opt_pass pass_regmove;
+extern struct tree_opt_pass pass_split_all_insns;
+extern struct tree_opt_pass pass_mode_switching;
+extern struct tree_opt_pass pass_recompute_reg_usage;
+extern struct tree_opt_pass pass_sms;
+extern struct tree_opt_pass pass_sched;
+extern struct tree_opt_pass pass_local_alloc;
+extern struct tree_opt_pass pass_global_alloc;
+extern struct tree_opt_pass pass_postreload;
+extern struct tree_opt_pass pass_clean_state;
+extern struct tree_opt_pass pass_branch_prob;
+extern struct tree_opt_pass pass_value_profile_transformations;
+extern struct tree_opt_pass pass_remove_death_notes;
+extern struct tree_opt_pass pass_postreload_cse;
+extern struct tree_opt_pass pass_gcse2;
+extern struct tree_opt_pass pass_flow2;
+extern struct tree_opt_pass pass_stack_adjustments;
+extern struct tree_opt_pass pass_peephole2;
+extern struct tree_opt_pass pass_if_after_reload;
+extern struct tree_opt_pass pass_regrename;
+extern struct tree_opt_pass pass_reorder_blocks;
+extern struct tree_opt_pass pass_branch_target_load_optimize;
+extern struct tree_opt_pass pass_leaf_regs;
+extern struct tree_opt_pass pass_sched2;
+extern struct tree_opt_pass pass_stack_regs;
+extern struct tree_opt_pass pass_compute_alignments;
+extern struct tree_opt_pass pass_duplicate_computed_gotos;
+extern struct tree_opt_pass pass_variable_tracking;
+extern struct tree_opt_pass pass_free_cfg;
+extern struct tree_opt_pass pass_machine_reorg;
+extern struct tree_opt_pass pass_purge_lineno_notes;
+extern struct tree_opt_pass pass_cleanup_barriers;
+extern struct tree_opt_pass pass_delay_slots;
+extern struct tree_opt_pass pass_split_for_shorten_branches;
+extern struct tree_opt_pass pass_split_before_regstack;
+extern struct tree_opt_pass pass_convert_to_eh_region_ranges;
+extern struct tree_opt_pass pass_shorten_branches;
+extern struct tree_opt_pass pass_set_nothrow_function_flags;
+extern struct tree_opt_pass pass_final;
+extern struct tree_opt_pass pass_rtl_seqabstr;
+
+/* The root of the compilation pass tree, once constructed. */
+extern struct tree_opt_pass *all_passes, *all_ipa_passes, *all_lowering_passes;
+
+extern void execute_pass_list (struct tree_opt_pass *);
+extern void execute_ipa_pass_list (struct tree_opt_pass *);
#endif /* GCC_TREE_PASS_H */
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