| /* Gimple folding definitions. |
| |
| Copyright (C) 2011-2022 Free Software Foundation, Inc. |
| Contributed by Richard Guenther <rguenther@suse.de> |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #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 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 (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 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, |
| 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 *, bool = false); |
| 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_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, location_t loc, |
| enum tree_code code, tree type, Args ...ops) |
| { |
| 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...); |
| } |
| template<class ...Args> |
| inline tree |
| gimple_build (gimple_seq *seq, enum tree_code code, tree type, Args ...ops) |
| { |
| 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_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, location_t loc, |
| combined_fn fn, tree type, Args ...args) |
| { |
| 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...); |
| } |
| template<class ...Args> |
| inline tree |
| gimple_build (gimple_seq *seq, combined_fn fn, tree type, Args ...args) |
| { |
| 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_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, location_t loc, |
| code_helper code, tree type, Args ...ops) |
| { |
| 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...); |
| } |
| template<class ...Args> |
| inline tree |
| gimple_build (gimple_seq *seq, |
| code_helper code, tree type, Args ...ops) |
| { |
| 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_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) |
| { |
| 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_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) |
| { |
| 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.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 (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 */ |