/* 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.
/* 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
/* 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 */
+ const char *glob; /* command line glob */
+ int flags; /* user flags */
+ int state; /* state of play */
+ int num; /* dump file number */
+ int letter; /* enabling letter for RTL dumps */
};
/* Pass properties. */
(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_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 prunning 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)
+
+#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 ipa_passes (void);
+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_build_cfg;
extern struct tree_opt_pass pass_tree_profile;
extern struct tree_opt_pass pass_referenced_vars;
-extern struct tree_opt_pass pass_build_pta;
-extern struct tree_opt_pass pass_del_pta;
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_scev_cprop;
+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_dominator;
extern struct tree_opt_pass pass_dce;
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_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_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_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_ipa_inline;
#endif /* GCC_TREE_PASS_H */
OSDN Git Service
