contrib/gcc-8.0/gcc/lto/lto-tree.h

   1 /* Language-dependent trees for LTO.
   2    Copyright (C) 2009-2018 Free Software Foundation, Inc.
   3    Contributed by CodeSourcery, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_LTO_TREE_H
  22 #define GCC_LTO_TREE_H
  23
  24 struct GTY(()) lang_identifier
  25 {
  26   struct tree_identifier base;
  27 };
  28
  29 struct GTY(()) lang_decl
  30 {
  31   int dummy;  /* Added because ggc does not like empty structs.  */
  32 };
  33
  34 struct GTY(()) lang_type
  35 {
  36   int dummy;  /* Added because ggc does not like empty structs.  */
  37 };
  38
  39 struct GTY(()) language_function
  40 {
  41   int dummy;  /* Added because ggc does not like empty structs.  */
  42 };
  43
  44 enum lto_tree_node_structure_enum {
  45   TS_LTO_GENERIC
  46 };
  47
  48 union GTY((desc ("lto_tree_node_structure (&%h)"),
  49           chain_next ("CODE_CONTAINS_STRUCT (TREE_CODE (&%h.generic), TS_TYPE_COMMON) ? ((union lang_tree_node *) %h.generic.type_common.next_variant) : CODE_CONTAINS_STRUCT (TREE_CODE (&%h.generic), TS_COMMON) ? ((union lang_tree_node *) %h.generic.common.chain) : NULL")))
  50     lang_tree_node
  51 {
  52   union tree_node GTY ((tag ("TS_LTO_GENERIC"),
  53                         desc ("tree_node_structure (&%h)"))) generic;
  54 };
  55
  56 #endif /* GCC_LTO_TREE_H */