gcc/gimple-fold.h

   1 /* Gimple folding definitions.
   2
   3    Copyright (C) 2011-2014 Free Software Foundation, Inc.
   4    Contributed by Richard Guenther <rguenther@suse.de>
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify it under
   9 the terms of the GNU General Public License as published by the Free
  10 Software Foundation; either version 3, or (at your option) any later
  11 version.
  12
  13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22 #ifndef GCC_GIMPLE_FOLD_H
  23 #define GCC_GIMPLE_FOLD_H
  24
  25 extern tree canonicalize_constructor_val (tree, tree);
  26 extern tree get_symbol_constant_value (tree);
  27 extern void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
  28 extern bool fold_stmt (gimple_stmt_iterator *);
  29 extern bool fold_stmt_inplace (gimple_stmt_iterator *);
  30 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
  31                                         enum tree_code, tree, tree);
  32 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
  33                                        enum tree_code, tree, tree);
  34 extern tree gimple_fold_stmt_to_constant_1 (gimple, tree (*) (tree));
  35 extern tree gimple_fold_stmt_to_constant (gimple, tree (*) (tree));
  36 extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree));
  37 extern tree fold_const_aggregate_ref (tree);
  38 extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree,
  39                                               bool *can_refer = NULL);
  40 extern tree gimple_get_virt_method_for_vtable (HOST_WIDE_INT, tree,
  41                                                unsigned HOST_WIDE_INT,
  42                                                bool *can_refer = NULL);
  43 extern bool gimple_val_nonnegative_real_p (tree);
  44 extern tree gimple_fold_indirect_ref (tree);
  45 extern bool arith_code_with_undefined_signed_overflow (tree_code);
  46 extern gimple_seq rewrite_to_defined_overflow (gimple);
  47
  48 /* gimple_build, functionally matching fold_buildN, outputs stmts
  49    int the provided sequence, matching and simplifying them on-the-fly.
  50    Supposed to replace force_gimple_operand (fold_buildN (...), ...).  */
  51 extern tree gimple_build (gimple_seq *, location_t,
  52                           enum tree_code, tree, tree,
  53                           tree (*valueize) (tree) = NULL);
  54 inline tree
  55 gimple_build (gimple_seq *seq,
  56               enum tree_code code, tree type, tree op0)
  57 {
  58   return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0);
  59 }
  60 extern tree gimple_build (gimple_seq *, location_t,
  61                           enum tree_code, tree, tree, tree,
  62                           tree (*valueize) (tree) = NULL);
  63 inline tree
  64 gimple_build (gimple_seq *seq,
  65               enum tree_code code, tree type, tree op0, tree op1)
  66 {
  67   return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1);
  68 }
  69 extern tree gimple_build (gimple_seq *, location_t,
  70                           enum tree_code, tree, tree, tree, tree,
  71                           tree (*valueize) (tree) = NULL);
  72 inline tree
  73 gimple_build (gimple_seq *seq,
  74               enum tree_code code, tree type, tree op0, tree op1, tree op2)
  75 {
  76   return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1, op2);
  77 }
  78 extern tree gimple_build (gimple_seq *, location_t,
  79                           enum built_in_function, tree, tree,
  80                           tree (*valueize) (tree) = NULL);
  81 inline tree
  82 gimple_build (gimple_seq *seq,
  83               enum built_in_function fn, tree type, tree arg0)
  84 {
  85   return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0);
  86 }
  87 extern tree gimple_build (gimple_seq *, location_t,
  88                           enum built_in_function, tree, tree, tree,
  89                           tree (*valueize) (tree) = NULL);
  90 inline tree
  91 gimple_build (gimple_seq *seq,
  92               enum built_in_function fn, tree type, tree arg0, tree arg1)
  93 {
  94   return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1);
  95 }
  96 extern tree gimple_build (gimple_seq *, location_t,
  97                           enum built_in_function, tree, tree, tree, tree,
  98                           tree (*valueize) (tree) = NULL);
  99 inline tree
 100 gimple_build (gimple_seq *seq,
 101               enum built_in_function fn, tree type,
 102               tree arg0, tree arg1, tree arg2)
 103 {
 104   return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1, arg2);
 105 }
 106
 107 extern tree gimple_convert (gimple_seq *, location_t, tree, tree);
 108 inline tree
 109 gimple_convert (gimple_seq *seq, tree type, tree op)
 110 {
 111   return gimple_convert (seq, UNKNOWN_LOCATION, type, op);
 112 }
 113
 114 /* In gimple-match.c.  */
 115 extern tree gimple_simplify (enum tree_code, tree, tree,
 116                              gimple_seq *, tree (*)(tree));
 117 extern tree gimple_simplify (enum tree_code, tree, tree, tree,
 118                              gimple_seq *, tree (*)(tree));
 119 extern tree gimple_simplify (enum tree_code, tree, tree, tree, tree,
 120                              gimple_seq *, tree (*)(tree));
 121 extern tree gimple_simplify (enum built_in_function, tree, tree,
 122                              gimple_seq *, tree (*)(tree));
 123 extern tree gimple_simplify (enum built_in_function, tree, tree, tree,
 124                              gimple_seq *, tree (*)(tree));
 125 extern tree gimple_simplify (enum built_in_function, tree, tree, tree, tree,
 126                              gimple_seq *, tree (*)(tree));
 127
 128 #endif  /* GCC_GIMPLE_FOLD_H */