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 (gimple_stmt_iterator *, tree (*) (tree));
  30 extern bool fold_stmt_inplace (gimple_stmt_iterator *);
  31 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
  32                                         enum tree_code, tree, tree);
  33 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
  34                                        enum tree_code, tree, tree);
  35 extern tree no_follow_ssa_edges (tree);
  36 extern tree gimple_fold_stmt_to_constant_1 (gimple, tree (*) (tree));
  37 extern tree gimple_fold_stmt_to_constant (gimple, tree (*) (tree));
  38 extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree));
  39 extern tree fold_const_aggregate_ref (tree);
  40 extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree,
  41                                               bool *can_refer = NULL);
  42 extern tree gimple_get_virt_method_for_vtable (HOST_WIDE_INT, tree,
  43                                                unsigned HOST_WIDE_INT,
  44                                                bool *can_refer = NULL);
  45 extern bool gimple_val_nonnegative_real_p (tree);
  46 extern tree gimple_fold_indirect_ref (tree);
  47 extern bool arith_code_with_undefined_signed_overflow (tree_code);
  48 extern gimple_seq rewrite_to_defined_overflow (gimple);
  49
  50 /* gimple_build, functionally matching fold_buildN, outputs stmts
  51    int the provided sequence, matching and simplifying them on-the-fly.
  52    Supposed to replace force_gimple_operand (fold_buildN (...), ...).  */
  53 extern tree gimple_build (gimple_seq *, location_t,
  54                           enum tree_code, tree, tree,
  55                           tree (*valueize) (tree) = NULL);
  56 inline tree
  57 gimple_build (gimple_seq *seq,
  58               enum tree_code code, tree type, tree op0)
  59 {
  60   return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0);
  61 }
  62 extern tree gimple_build (gimple_seq *, location_t,
  63                           enum tree_code, tree, tree, tree,
  64                           tree (*valueize) (tree) = NULL);
  65 inline tree
  66 gimple_build (gimple_seq *seq,
  67               enum tree_code code, tree type, tree op0, tree op1)
  68 {
  69   return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1);
  70 }
  71 extern tree gimple_build (gimple_seq *, location_t,
  72                           enum tree_code, tree, tree, tree, tree,
  73                           tree (*valueize) (tree) = NULL);
  74 inline tree
  75 gimple_build (gimple_seq *seq,
  76               enum tree_code code, tree type, tree op0, tree op1, tree op2)
  77 {
  78   return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1, op2);
  79 }
  80 extern tree gimple_build (gimple_seq *, location_t,
  81                           enum built_in_function, tree, tree,
  82                           tree (*valueize) (tree) = NULL);
  83 inline tree
  84 gimple_build (gimple_seq *seq,
  85               enum built_in_function fn, tree type, tree arg0)
  86 {
  87   return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0);
  88 }
  89 extern tree gimple_build (gimple_seq *, location_t,
  90                           enum built_in_function, tree, tree, tree,
  91                           tree (*valueize) (tree) = NULL);
  92 inline tree
  93 gimple_build (gimple_seq *seq,
  94               enum built_in_function fn, tree type, tree arg0, tree arg1)
  95 {
  96   return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1);
  97 }
  98 extern tree gimple_build (gimple_seq *, location_t,
  99                           enum built_in_function, tree, tree, tree, tree,
 100                           tree (*valueize) (tree) = NULL);
 101 inline tree
 102 gimple_build (gimple_seq *seq,
 103               enum built_in_function fn, tree type,
 104               tree arg0, tree arg1, tree arg2)
 105 {
 106   return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1, arg2);
 107 }
 108
 109 extern tree gimple_convert (gimple_seq *, location_t, tree, tree);
 110 inline tree
 111 gimple_convert (gimple_seq *seq, tree type, tree op)
 112 {
 113   return gimple_convert (seq, UNKNOWN_LOCATION, type, op);
 114 }
 115
 116 /* In gimple-match.c.  */
 117 extern tree gimple_simplify (enum tree_code, tree, tree,
 118                              gimple_seq *, tree (*)(tree));
 119 extern tree gimple_simplify (enum tree_code, tree, tree, tree,
 120                              gimple_seq *, tree (*)(tree));
 121 extern tree gimple_simplify (enum tree_code, tree, tree, tree, tree,
 122                              gimple_seq *, tree (*)(tree));
 123 extern tree gimple_simplify (enum built_in_function, tree, tree,
 124                              gimple_seq *, tree (*)(tree));
 125 extern tree gimple_simplify (enum built_in_function, tree, tree, tree,
 126                              gimple_seq *, tree (*)(tree));
 127 extern tree gimple_simplify (enum built_in_function, tree, tree, tree, tree,
 128                              gimple_seq *, tree (*)(tree));
 129
 130 #endif  /* GCC_GIMPLE_FOLD_H */