diff options
Diffstat (limited to 'gcc/tree-flow.h')
| -rw-r--r-- | gcc/tree-flow.h | 30 |
1 files changed, 7 insertions, 23 deletions
diff --git a/gcc/tree-flow.h b/gcc/tree-flow.h index 74f625f5b34..378599eee23 100644 --- a/gcc/tree-flow.h +++ b/gcc/tree-flow.h @@ -253,15 +253,11 @@ struct var_ann_d GTY(()) tree default_def; /* During into-ssa and the dominator optimizer, this field holds the - current version of this variable (an SSA_NAME). - - This was previously two varrays (one in into-ssa the other in the - dominator optimizer). That is wasteful, particularly since the - dominator optimizer calls into-ssa resulting in having two varrays - live at the same time and this can happen for each call to the - dominator optimizer. */ + current version of this variable (an SSA_NAME). */ tree current_def; + /* If this variable is a structure, this fields holds a list of + symbols representing each of the fields of the structure. */ subvar_t subvars; }; @@ -540,9 +536,6 @@ extern bool tree_duplicate_sese_region (edge, edge, basic_block *, unsigned, basic_block *); extern void add_phi_args_after_copy_bb (basic_block); extern void add_phi_args_after_copy (basic_block *, unsigned); -extern void rewrite_to_new_ssa_names_bb (basic_block, struct htab *); -extern void rewrite_to_new_ssa_names (basic_block *, unsigned, htab_t); -extern void allocate_ssa_names (bitmap, struct htab **); extern bool tree_purge_dead_eh_edges (basic_block); extern bool tree_purge_all_dead_eh_edges (bitmap); extern tree gimplify_val (block_stmt_iterator *, tree, tree); @@ -565,7 +558,6 @@ extern tree create_phi_node (tree, basic_block); extern void add_phi_arg (tree, tree, edge); extern void remove_phi_args (edge); extern void remove_phi_node (tree, tree); -extern tree find_phi_node_for (basic_block, tree, tree *); extern tree phi_reverse (tree); extern void dump_dfa_stats (FILE *); extern void debug_dfa_stats (void); @@ -612,11 +604,6 @@ typedef bool (*walk_use_def_chains_fn) (tree, tree, void *); /* In tree-ssa.c */ extern void init_tree_ssa (void); -extern void dump_tree_ssa (FILE *); -extern void debug_tree_ssa (void); -extern void debug_def_blocks (void); -extern void dump_tree_ssa_stats (FILE *); -extern void debug_tree_ssa_stats (void); extern edge ssa_redirect_edge (edge, basic_block); extern void flush_pending_stmts (edge); extern bool tree_ssa_useless_type_conversion (tree); @@ -628,23 +615,20 @@ extern void walk_use_def_chains (tree, walk_use_def_chains_fn, void *, bool); extern bool stmt_references_memory_p (tree); /* In tree-into-ssa.c */ -extern void rewrite_ssa_into_ssa (void); - void update_ssa (unsigned); +void delete_update_ssa (void); void register_new_name_mapping (tree, tree); tree create_new_def_for (tree, tree, def_operand_p); bool need_ssa_update_p (void); bool name_registered_for_update_p (tree); bitmap ssa_names_to_replace (void); void release_ssa_name_after_update_ssa (tree name); -void dump_repl_tbl (FILE *); -void debug_repl_tbl (void); -void dump_names_replaced_by (FILE *, tree); -void debug_names_replaced_by (tree); void compute_global_livein (bitmap, bitmap); tree duplicate_ssa_name (tree, tree); void mark_sym_for_renaming (tree); void mark_set_for_renaming (bitmap); +tree get_current_def (tree); +void set_current_def (tree, tree); /* In tree-ssa-ccp.c */ bool fold_stmt (tree *); @@ -724,7 +708,7 @@ tree find_loop_niter_by_eval (struct loop *, edge *); void estimate_numbers_of_iterations (struct loops *); tree can_count_iv_in_wider_type (struct loop *, tree, tree, tree, tree); void free_numbers_of_iterations_estimates (struct loops *); -void rewrite_into_loop_closed_ssa (bitmap); +void rewrite_into_loop_closed_ssa (bitmap, unsigned); void verify_loop_closed_ssa (void); void loop_commit_inserts (void); bool for_each_index (tree *, bool (*) (tree, tree *, void *), void *); |