/* Gimple folding definitions.
- Copyright (C) 2011-2013 Free Software Foundation, Inc.
+ Copyright (C) 2011-2021 Free Software Foundation, Inc.
Contributed by Richard Guenther <rguenther@suse.de>
This file is part of GCC.
#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);
+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 tree gimple_fold_builtin (gimple);
-extern tree gimple_extract_devirt_binfo_from_cst (tree, 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,
+extern tree maybe_fold_and_comparisons (tree, enum tree_code, tree, tree,
enum tree_code, tree, tree);
-extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
+extern tree maybe_fold_or_comparisons (tree, enum tree_code, tree, tree,
enum tree_code, tree, tree);
-extern tree gimple_fold_stmt_to_constant_1 (gimple, tree (*) (tree));
-extern tree gimple_fold_stmt_to_constant (gimple, tree (*) (tree));
+extern void clear_type_padding_in_mask (tree, unsigned char *);
+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, 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);
-extern bool gimple_val_nonnegative_real_p (tree);
+extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree,
+ bool *can_refer = NULL);
+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 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);
+
+/* 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);
+inline tree
+gimple_build (gimple_seq *seq,
+ enum tree_code code, tree type, tree op0)
+{
+ return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0);
+}
+extern tree gimple_build (gimple_seq *, location_t,
+ enum tree_code, tree, tree, tree);
+inline tree
+gimple_build (gimple_seq *seq,
+ enum tree_code code, tree type, tree op0, tree op1)
+{
+ return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1);
+}
+extern tree gimple_build (gimple_seq *, location_t,
+ enum tree_code, tree, tree, tree, tree);
+inline tree
+gimple_build (gimple_seq *seq,
+ enum tree_code code, tree type, tree op0, tree op1, tree op2)
+{
+ return gimple_build (seq, UNKNOWN_LOCATION, code, type, op0, op1, op2);
+}
+extern tree gimple_build (gimple_seq *, location_t, combined_fn, tree);
+inline tree
+gimple_build (gimple_seq *seq, combined_fn fn, tree type)
+{
+ return gimple_build (seq, UNKNOWN_LOCATION, fn, type);
+}
+extern tree gimple_build (gimple_seq *, location_t, combined_fn, tree, tree);
+inline tree
+gimple_build (gimple_seq *seq, combined_fn fn, tree type, tree arg0)
+{
+ return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0);
+}
+extern tree gimple_build (gimple_seq *, location_t, combined_fn,
+ tree, tree, tree);
+inline tree
+gimple_build (gimple_seq *seq, combined_fn fn,
+ tree type, tree arg0, tree arg1)
+{
+ return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1);
+}
+extern tree gimple_build (gimple_seq *, location_t, combined_fn,
+ tree, tree, tree, tree);
+inline tree
+gimple_build (gimple_seq *seq, combined_fn fn,
+ tree type, tree arg0, tree arg1, tree arg2)
+{
+ return gimple_build (seq, UNKNOWN_LOCATION, fn, type, arg0, arg1, arg2);
+}
+
+extern tree gimple_convert (gimple_seq *, location_t, tree, tree);
+inline tree
+gimple_convert (gimple_seq *seq, tree type, tree op)
+{
+ return gimple_convert (seq, UNKNOWN_LOCATION, type, op);
+}
+
+extern tree gimple_convert_to_ptrofftype (gimple_seq *, location_t, tree);
+inline tree
+gimple_convert_to_ptrofftype (gimple_seq *seq, tree op)
+{
+ return gimple_convert_to_ptrofftype (seq, UNKNOWN_LOCATION, op);
+}
+
+extern tree gimple_build_vector_from_val (gimple_seq *, location_t, tree,
+ tree);
+inline tree
+gimple_build_vector_from_val (gimple_seq *seq, tree type, tree op)
+{
+ return gimple_build_vector_from_val (seq, UNKNOWN_LOCATION, type, op);
+}
+
+class tree_vector_builder;
+extern tree gimple_build_vector (gimple_seq *, location_t,
+ tree_vector_builder *);
+inline tree
+gimple_build_vector (gimple_seq *seq, tree_vector_builder *builder)
+{
+ return gimple_build_vector (seq, UNKNOWN_LOCATION, builder);
+}
+
+extern tree gimple_build_round_up (gimple_seq *, location_t, tree, tree,
+ unsigned HOST_WIDE_INT);
+inline tree
+gimple_build_round_up (gimple_seq *seq, tree type, tree old_size,
+ unsigned HOST_WIDE_INT align)
+{
+ return gimple_build_round_up (seq, 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. */
+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 (combined_fn, tree, tree,
+ gimple_seq *, tree (*)(tree));
+extern tree gimple_simplify (combined_fn, tree, tree, tree,
+ gimple_seq *, tree (*)(tree));
+extern tree gimple_simplify (combined_fn, tree, tree, tree, tree,
+ gimple_seq *, tree (*)(tree));
#endif /* GCC_GIMPLE_FOLD_H */
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