contrib/gcc-4.7/gcc/ipa-utils.h

   1 /* Utilities for ipa analysis.
   2    Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
   3    Contributed by Kenneth Zadeck <zadeck@naturalbridge.com>
   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_IPA_UTILS_H
  22 #define GCC_IPA_UTILS_H
  23 #include "tree.h"
  24 #include "cgraph.h"
  25
  26 struct ipa_dfs_info {
  27   int dfn_number;
  28   int low_link;
  29   /* This field will have the samy value for any two nodes in the same strongly
  30      connected component.  */
  31   int scc_no;
  32   bool new_node;
  33   bool on_stack;
  34   struct cgraph_node* next_cycle;
  35   PTR aux;
  36 };
  37
  38
  39
  40 /* In ipa-utils.c  */
  41 void ipa_print_order (FILE*, const char *, struct cgraph_node**, int);
  42 int ipa_reduced_postorder (struct cgraph_node **, bool, bool,
  43                           bool (*ignore_edge) (struct cgraph_edge *));
  44 void ipa_free_postorder_info (void);
  45 int ipa_reverse_postorder (struct cgraph_node **);
  46 tree get_base_var (tree);
  47
  48
  49 #endif  /* GCC_IPA_UTILS_H  */
  50
  51