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      1 /* Header file for normal form into SSA.
      2    Copyright (C) 2013-2022 Free Software Foundation, Inc.
      3 
      4 This file is part of GCC.
      5 
      6 GCC is free software; you can redistribute it and/or modify it under
      7 the terms of the GNU General Public License as published by the Free
      8 Software Foundation; either version 3, or (at your option) any later
      9 version.
     10 
     11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
     12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
     13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
     14  for more details.
     15 
     16 You should have received a copy of the GNU General Public License
     17 along with GCC; see the file COPYING3.  If not see
     18 <http://www.gnu.org/licenses/>.  */
     19 
     20 #ifndef GCC_TREE_INTO_SSA_H
     21 #define GCC_TREE_INTO_SSA_H
     22 
     23 extern tree get_current_def (tree);
     24 extern void set_current_def (tree, tree);
     25 void delete_update_ssa (void);
     26 tree create_new_def_for (tree, gimple *, def_operand_p);
     27 void mark_virtual_operands_for_renaming (struct function *);
     28 void mark_virtual_operand_for_renaming (tree);
     29 void mark_virtual_phi_result_for_renaming (gphi *);
     30 bool need_ssa_update_p (struct function *);
     31 bool name_registered_for_update_p (tree);
     32 void release_ssa_name_after_update_ssa (tree);
     33 void update_ssa (unsigned);
     34 
     35 /* Prototypes for debugging functions.  */
     36 extern void debug_decl_set (bitmap set);
     37 extern void dump_defs_stack (FILE *, int);
     38 extern void debug_defs_stack (int);
     39 extern void dump_currdefs (FILE *);
     40 extern void debug_currdefs (void);
     41 extern void dump_tree_ssa (FILE *);
     42 extern void debug_tree_ssa (void);
     43 extern void dump_tree_ssa_stats (FILE *);
     44 extern void debug_tree_ssa_stats (void);
     45 extern void dump_var_infos (FILE *);
     46 extern void debug_var_infos (void);
     47 extern void dump_names_replaced_by (FILE *, tree);
     48 extern void debug_names_replaced_by (tree);
     49 extern void dump_update_ssa (FILE *);
     50 extern void debug_update_ssa (void);
     51 extern bitmap names_to_release;
     52 
     53 #endif /* GCC_TREE_INTO_SSA_H */
     54