]> git.ipfire.org Git - thirdparty/gcc.git/blobdiff - gcc/gimple-fold.h
Update copyright years.
[thirdparty/gcc.git] / gcc / gimple-fold.h
index 38fb8e74e4d8c9d05bdd4f004f3f9d0651609120..182561b813292d0a63ed34a6422538034c0fb84d 100644 (file)
@@ -1,6 +1,6 @@
 /* Gimple folding definitions.
 
-   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   Copyright (C) 2011-2024 Free Software Foundation, Inc.
    Contributed by Richard Guenther <rguenther@suse.de>
 
 This file is part of GCC.
@@ -22,29 +22,33 @@ along with GCC; see the file COPYING3.  If not see
 #ifndef GCC_GIMPLE_FOLD_H
 #define GCC_GIMPLE_FOLD_H
 
+extern tree create_tmp_reg_or_ssa_name (tree, gimple *stmt = NULL);
 extern tree canonicalize_constructor_val (tree, tree);
 extern tree get_symbol_constant_value (tree);
-extern void get_range_strlen (tree, tree[2]);
-extern tree get_maxval_strlen (tree, int);
+struct c_strlen_data;
+extern bool get_range_strlen (tree, c_strlen_data *, unsigned eltsize);
 extern void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
+extern bool update_gimple_call (gimple_stmt_iterator *, tree, int, ...);
 extern bool fold_stmt (gimple_stmt_iterator *);
 extern bool fold_stmt (gimple_stmt_iterator *, tree (*) (tree));
 extern bool fold_stmt_inplace (gimple_stmt_iterator *);
-extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree, 
-                                       enum tree_code, tree, tree);
-extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
-                                      enum tree_code, tree, tree);
+extern tree maybe_fold_and_comparisons (tree, enum tree_code, tree, tree,
+                                       enum tree_code, tree, tree,
+                                       basic_block = nullptr);
+extern tree maybe_fold_or_comparisons (tree, enum tree_code, tree, tree,
+                                      enum tree_code, tree, tree,
+                                      basic_block = nullptr);
 extern bool optimize_atomic_compare_exchange_p (gimple *);
 extern void fold_builtin_atomic_compare_exchange (gimple_stmt_iterator *);
-extern bool arith_overflowed_p (enum tree_code, const_tree, const_tree,
-                               const_tree);
 extern tree no_follow_ssa_edges (tree);
 extern tree follow_single_use_edges (tree);
+extern tree follow_all_ssa_edges (tree);
 extern tree gimple_fold_stmt_to_constant_1 (gimple *, tree (*) (tree),
                                            tree (*) (tree) = no_follow_ssa_edges);
 extern tree gimple_fold_stmt_to_constant (gimple *, tree (*) (tree));
-extern tree fold_ctor_reference (tree, tree, unsigned HOST_WIDE_INT,
-                                unsigned HOST_WIDE_INT, tree);
+extern tree fold_ctor_reference (tree, tree, const poly_uint64&,
+                                const poly_uint64&, tree,
+                                unsigned HOST_WIDE_INT * = NULL);
 extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree));
 extern tree fold_const_aggregate_ref (tree);
 extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree,
@@ -53,91 +57,226 @@ extern tree gimple_get_virt_method_for_vtable (HOST_WIDE_INT, tree,
                                               unsigned HOST_WIDE_INT,
                                               bool *can_refer = NULL);
 extern tree gimple_fold_indirect_ref (tree);
+extern bool gimple_fold_builtin_sprintf (gimple_stmt_iterator *);
+extern bool gimple_fold_builtin_snprintf (gimple_stmt_iterator *);
 extern bool arith_code_with_undefined_signed_overflow (tree_code);
+extern void rewrite_to_defined_overflow (gimple_stmt_iterator *);
 extern gimple_seq rewrite_to_defined_overflow (gimple *);
+extern void replace_call_with_value (gimple_stmt_iterator *, tree);
+extern tree tree_vec_extract (gimple_stmt_iterator *, tree, tree, tree, tree);
+extern void gsi_replace_with_seq_vops (gimple_stmt_iterator *, gimple_seq);
 
 /* gimple_build, functionally matching fold_buildN, outputs stmts
    int the provided sequence, matching and simplifying them on-the-fly.
    Supposed to replace force_gimple_operand (fold_buildN (...), ...).  */
-extern tree gimple_build (gimple_seq *, location_t,
-                         enum tree_code, tree, tree);
+extern tree gimple_build (gimple_stmt_iterator *, bool,
+                         enum gsi_iterator_update,
+                         location_t, enum tree_code, tree, tree);
+extern tree gimple_build (gimple_stmt_iterator *, bool,
+                         enum gsi_iterator_update,
+                         location_t, enum tree_code, tree, tree, tree);
+extern tree gimple_build (gimple_stmt_iterator *, bool,
+                         enum gsi_iterator_update,
+                         location_t, enum tree_code, tree, tree, tree, tree);
+template<class ...Args>
 inline tree
-gimple_build (gimple_seq *seq,
-             enum tree_code code, tree type, tree op0)
+gimple_build (gimple_seq *seq, location_t loc,
+             enum tree_code code, tree type, Args ...ops)
 {
-  return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0);
+  static_assert (sizeof...(ops) > 0 && sizeof...(ops) <= 3,
+                "Number of operands must be from one to three");
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_build (&gsi, false, GSI_CONTINUE_LINKING,
+                      loc, code, type, ops...);
 }
-extern tree gimple_build (gimple_seq *, location_t,
-                         enum tree_code, tree, tree, tree);
+template<class ...Args>
 inline tree
-gimple_build (gimple_seq *seq,
-             enum tree_code code, tree type, tree op0, tree op1)
+gimple_build (gimple_seq *seq, enum tree_code code, tree type, Args ...ops)
 {
-  return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1);
+  static_assert (sizeof...(ops) > 0 && sizeof...(ops) <= 3,
+                "Number of operands must be from one to three");
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_build (&gsi, false, GSI_CONTINUE_LINKING,
+                      UNKNOWN_LOCATION, code, type, ops...);
 }
-extern tree gimple_build (gimple_seq *, location_t,
-                         enum tree_code, tree, tree, tree, tree);
+
+extern tree gimple_build (gimple_stmt_iterator *, bool,
+                         enum gsi_iterator_update,
+                         location_t, combined_fn, tree);
+extern tree gimple_build (gimple_stmt_iterator *, bool,
+                         enum gsi_iterator_update,
+                         location_t, combined_fn, tree, tree);
+extern tree gimple_build (gimple_stmt_iterator *, bool,
+                         enum gsi_iterator_update,
+                         location_t, combined_fn, tree, tree, tree);
+extern tree gimple_build (gimple_stmt_iterator *, bool,
+                         enum gsi_iterator_update,
+                         location_t, combined_fn, tree, tree, tree, tree);
+template<class ...Args>
 inline tree
-gimple_build (gimple_seq *seq,
-             enum tree_code code, tree type, tree op0, tree op1, tree op2)
+gimple_build (gimple_seq *seq, location_t loc,
+             combined_fn fn, tree type, Args ...args)
 {
-  return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1, op2);
+  static_assert (sizeof...(args) < 4,
+                "Number of arguments must be less than four");
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_build (&gsi, false, GSI_CONTINUE_LINKING,
+                      loc, fn, type, args...);
 }
-extern tree gimple_build (gimple_seq *, location_t,
-                         enum built_in_function, tree, tree);
+template<class ...Args>
 inline tree
-gimple_build (gimple_seq *seq,
-             enum built_in_function fn, tree type, tree arg0)
+gimple_build (gimple_seq *seq, combined_fn fn, tree type, Args ...args)
 {
-  return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0);
+  static_assert (sizeof...(args) < 4,
+                "Number of arguments must be less than four");
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_build (&gsi, false, GSI_CONTINUE_LINKING,
+                      UNKNOWN_LOCATION, fn, type, args...);
 }
-extern tree gimple_build (gimple_seq *, location_t,
-                         enum built_in_function, tree, tree, tree);
+
+extern tree gimple_build (gimple_stmt_iterator *, bool,
+                         enum gsi_iterator_update,
+                         location_t, code_helper, tree, tree);
+extern tree gimple_build (gimple_stmt_iterator *, bool,
+                         enum gsi_iterator_update,
+                         location_t, code_helper, tree, tree, tree);
+extern tree gimple_build (gimple_stmt_iterator *, bool,
+                         enum gsi_iterator_update,
+                         location_t, code_helper, tree, tree, tree, tree);
+
+template<class ...Args>
 inline tree
-gimple_build (gimple_seq *seq,
-             enum built_in_function fn, tree type, tree arg0, tree arg1)
+gimple_build (gimple_seq *seq, location_t loc,
+             code_helper code, tree type, Args ...ops)
 {
-  return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1);
+  static_assert (sizeof...(ops) < 4,
+                "Number of operands must be less than four");
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_build (&gsi, false, GSI_CONTINUE_LINKING,
+                      loc, code, type, ops...);
 }
-extern tree gimple_build (gimple_seq *, location_t,
-                         enum built_in_function, tree, tree, tree, tree);
+template<class ...Args>
 inline tree
 gimple_build (gimple_seq *seq,
-             enum built_in_function fn, tree type,
-             tree arg0, tree arg1, tree arg2)
+             code_helper code, tree type, Args ...ops)
 {
-  return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1, arg2);
+  static_assert (sizeof...(ops) < 4,
+                "Number of operands must be less than four");
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_build (&gsi, false, GSI_CONTINUE_LINKING,
+                      UNKNOWN_LOCATION, code, type, ops...);
 }
 
-extern tree gimple_convert (gimple_seq *, location_t, tree, tree);
+extern tree gimple_convert (gimple_stmt_iterator *, bool,
+                           enum gsi_iterator_update,
+                           location_t, tree, tree);
+inline tree
+gimple_convert (gimple_seq *seq, location_t loc, tree type, tree op)
+{
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_convert (&gsi, false, GSI_CONTINUE_LINKING, loc, type, op);
+}
 inline tree
 gimple_convert (gimple_seq *seq, tree type, tree op)
 {
-  return gimple_convert (seq, UNKNOWN_LOCATION, type, op);
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_convert (&gsi, false, GSI_CONTINUE_LINKING,
+                        UNKNOWN_LOCATION, type, op);
 }
 
-extern tree gimple_convert_to_ptrofftype (gimple_seq *, location_t, tree);
+extern tree gimple_convert_to_ptrofftype (gimple_stmt_iterator *, bool,
+                                         enum gsi_iterator_update,
+                                         location_t, tree);
+inline tree
+gimple_convert_to_ptrofftype (gimple_seq *seq, location_t loc, tree op)
+{
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_convert_to_ptrofftype (&gsi, false, GSI_CONTINUE_LINKING,
+                                      loc, op);
+}
 inline tree
 gimple_convert_to_ptrofftype (gimple_seq *seq, tree op)
 {
-  return gimple_convert_to_ptrofftype (seq, UNKNOWN_LOCATION, op);
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_convert_to_ptrofftype (&gsi, false, GSI_CONTINUE_LINKING,
+                                      UNKNOWN_LOCATION, op);
+}
+
+extern tree gimple_build_vector_from_val (gimple_stmt_iterator *, bool,
+                                         enum gsi_iterator_update,
+                                         location_t, tree, tree);
+inline tree
+gimple_build_vector_from_val (gimple_seq *seq, location_t loc,
+                             tree type, tree op)
+{
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_build_vector_from_val (&gsi, false, GSI_CONTINUE_LINKING,
+                                      loc, type, op);
+}
+inline tree
+gimple_build_vector_from_val (gimple_seq *seq, tree type, tree op)
+{
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_build_vector_from_val (&gsi, false, GSI_CONTINUE_LINKING,
+                                      UNKNOWN_LOCATION, type, op);
+}
+
+class tree_vector_builder;
+extern tree gimple_build_vector (gimple_stmt_iterator *, bool,
+                                enum gsi_iterator_update,
+                                location_t, tree_vector_builder *);
+inline tree
+gimple_build_vector (gimple_seq *seq, location_t loc,
+                    tree_vector_builder *builder)
+{
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_build_vector (&gsi, false, GSI_CONTINUE_LINKING,
+                             loc, builder);
+}
+inline tree
+gimple_build_vector (gimple_seq *seq, tree_vector_builder *builder)
+{
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_build_vector (&gsi, false, GSI_CONTINUE_LINKING,
+                             UNKNOWN_LOCATION, builder);
+}
+
+extern tree gimple_build_round_up (gimple_stmt_iterator *, bool,
+                                  enum gsi_iterator_update,
+                                  location_t, tree, tree,
+                                  unsigned HOST_WIDE_INT);
+inline tree
+gimple_build_round_up (gimple_seq *seq, location_t loc,
+                      tree type, tree old_size, unsigned HOST_WIDE_INT align)
+{
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_build_round_up (&gsi, false, GSI_CONTINUE_LINKING,
+                               loc, type, old_size, align);
+}
+inline tree
+gimple_build_round_up (gimple_seq *seq, tree type, tree old_size,
+                      unsigned HOST_WIDE_INT align)
+{
+  gimple_stmt_iterator gsi = gsi_last (*seq);
+  return gimple_build_round_up (&gsi, false, GSI_CONTINUE_LINKING,
+                               UNKNOWN_LOCATION, type, old_size, align);
 }
 
 extern bool gimple_stmt_nonnegative_warnv_p (gimple *, bool *, int = 0);
 extern bool gimple_stmt_integer_valued_real_p (gimple *, int = 0);
 
-/* In gimple-match.c.  */
+/* In gimple-match.cc.  */
 extern tree gimple_simplify (enum tree_code, tree, tree,
                             gimple_seq *, tree (*)(tree));
 extern tree gimple_simplify (enum tree_code, tree, tree, tree,
                             gimple_seq *, tree (*)(tree));
 extern tree gimple_simplify (enum tree_code, tree, tree, tree, tree,
                             gimple_seq *, tree (*)(tree));
-extern tree gimple_simplify (enum built_in_function, tree, tree,
+extern tree gimple_simplify (combined_fn, tree, tree,
                             gimple_seq *, tree (*)(tree));
-extern tree gimple_simplify (enum built_in_function, tree, tree, tree,
+extern tree gimple_simplify (combined_fn, tree, tree, tree,
                             gimple_seq *, tree (*)(tree));
-extern tree gimple_simplify (enum built_in_function, tree, tree, tree, tree,
+extern tree gimple_simplify (combined_fn, tree, tree, tree, tree,
                             gimple_seq *, tree (*)(tree));
 
 #endif  /* GCC_GIMPLE_FOLD_H */