gcc/tree-ssa-scopedtables.h

   1 /* Header file for SSA dominator optimizations.
   2    Copyright (C) 2013-2015 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_SSA_SCOPED_TABLES_H
  21 #define GCC_TREE_SSA_SCOPED_TABLES_H
  22
  23 class const_and_copies
  24 {
  25  public:
  26   const_and_copies (FILE *, int);
  27   ~const_and_copies (void) { stack.release (); }
  28   void push_marker (void) { stack.safe_push (NULL_TREE); }
  29   void pop_to_marker (void);
  30   void record_const_or_copy (tree, tree);
  31   void record_const_or_copy (tree, tree, tree);
  32   void invalidate (tree);
  33
  34  private:
  35   vec<tree> stack;
  36   FILE *dump_file;
  37   int dump_flags;
  38 };
  39
  40 #endif /* GCC_TREE_SSA_SCOPED_TABLES_H */