/* Definitions for describing one tree-ssa optimization pass. Copyright (C) 2004 Free Software Foundation, Inc. Contributed by Richard Henderson 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 2, 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 COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef GCC_TREE_PASS_H #define GCC_TREE_PASS_H 1 /* 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); /* Describe one pass. */ struct tree_opt_pass { /* Terse name of the pass used as a fragment of the dump file name. */ const char *name; /* If non-null, this pass and all sub-passes are executed only if the function returns true. */ bool (*gate) (void); /* This is the code to run. If null, then there should be sub-passes otherwise this pass does nothing. */ void (*execute) (void); /* A list of sub-passes to run, dependent on gate predicate. */ struct tree_opt_pass *sub; /* Next in the list of passes to run, independent of gate predicate. */ struct tree_opt_pass *next; /* Static pass number, used as a fragment of the dump file name. */ int static_pass_number; /* The timevar id associated with this pass. */ /* ??? Ideally would be dynamically assigned. */ unsigned int tv_id; /* Sets of properties input and output from this pass. */ unsigned int properties_required; unsigned int properties_provided; unsigned int properties_destroyed; /* Flags indicating common sets things to do before and after. */ unsigned int todo_flags_start; unsigned int todo_flags_finish; /* Letter for RTL dumps. */ char letter; }; /* Define a tree dump switch. */ struct dump_file_info { const char *suffix; /* suffix to give output file. */ const char *swtch; /* command line switch */ int flags; /* user flags */ int state; /* state of play */ int num; /* dump file number */ int letter; /* enabling letter for RTL dumps */ }; /* Pass properties. */ #define PROP_gimple_any (1 << 0) /* entire gimple grammar */ #define PROP_gimple_lcf (1 << 1) /* lowered control flow */ #define PROP_gimple_leh (1 << 2) /* lowered eh */ #define PROP_cfg (1 << 3) #define PROP_referenced_vars (1 << 4) #define PROP_pta (1 << 5) #define PROP_ssa (1 << 6) #define PROP_no_crit_edges (1 << 7) #define PROP_rtl (1 << 8) #define PROP_alias (1 << 9) #define PROP_trees \ (PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh) /* 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_fix_def_def_chains (1 << 6) /* rewrite def-def chains */ #define TODO_cleanup_cfg (1 << 7) /* cleanup the cfg. */ #define TODO_verify_all \ (TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts) extern struct tree_opt_pass pass_mudflap_1; extern struct tree_opt_pass pass_mudflap_2; extern struct tree_opt_pass pass_remove_useless_stmts; extern struct tree_opt_pass pass_lower_cf; 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_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_lim; extern struct tree_opt_pass pass_unswitch; extern struct tree_opt_pass pass_iv_canon; 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_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_cd_dce; 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_vector_ssa; extern struct tree_opt_pass pass_fold_builtins; extern struct tree_opt_pass pass_early_warn_uninitialized; extern struct tree_opt_pass pass_late_warn_uninitialized; extern struct tree_opt_pass pass_warn_function_return; 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_fre; extern struct tree_opt_pass pass_linear_transform; extern struct tree_opt_pass pass_maybe_create_global_var; #endif /* GCC_TREE_PASS_H */