1 | /* Gimple folding definitions. |
2 | |
3 | Copyright (C) 2011-2025 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 | struct c_strlen_data; |
28 | extern bool get_range_strlen (tree, c_strlen_data *, unsigned eltsize); |
29 | extern void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree); |
30 | extern bool update_gimple_call (gimple_stmt_iterator *, tree, int, ...); |
31 | extern bool fold_stmt (gimple_stmt_iterator *, bitmap = nullptr); |
32 | extern bool fold_stmt (gimple_stmt_iterator *, tree (*) (tree), bitmap = nullptr); |
33 | extern bool fold_stmt_inplace (gimple_stmt_iterator *); |
34 | extern tree maybe_fold_and_comparisons (tree, enum tree_code, tree, tree, |
35 | enum tree_code, tree, tree, |
36 | basic_block = nullptr); |
37 | extern tree maybe_fold_or_comparisons (tree, enum tree_code, tree, tree, |
38 | enum tree_code, tree, tree, |
39 | basic_block = nullptr); |
40 | extern bool optimize_atomic_compare_exchange_p (gimple *); |
41 | extern void fold_builtin_atomic_compare_exchange (gimple_stmt_iterator *); |
42 | extern tree no_follow_ssa_edges (tree); |
43 | extern tree follow_single_use_edges (tree); |
44 | extern tree follow_all_ssa_edges (tree); |
45 | extern tree gimple_fold_stmt_to_constant_1 (gimple *, tree (*) (tree), |
46 | tree (*) (tree) = no_follow_ssa_edges); |
47 | extern tree gimple_fold_stmt_to_constant (gimple *, tree (*) (tree)); |
48 | extern tree fold_ctor_reference (tree, tree, const poly_uint64&, |
49 | const poly_uint64&, tree, |
50 | unsigned HOST_WIDE_INT * = NULL); |
51 | extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree)); |
52 | extern tree fold_const_aggregate_ref (tree); |
53 | extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree, |
54 | bool *can_refer = NULL); |
55 | extern tree gimple_get_virt_method_for_vtable (HOST_WIDE_INT, tree, |
56 | unsigned HOST_WIDE_INT, |
57 | bool *can_refer = NULL); |
58 | extern tree gimple_fold_indirect_ref (tree); |
59 | extern bool gimple_fold_builtin_sprintf (gimple_stmt_iterator *); |
60 | extern bool gimple_fold_builtin_snprintf (gimple_stmt_iterator *); |
61 | extern bool gimple_needing_rewrite_undefined (gimple *); |
62 | extern void rewrite_to_defined_unconditional (gimple_stmt_iterator *); |
63 | extern gimple_seq rewrite_to_defined_unconditional (gimple *); |
64 | extern void replace_call_with_value (gimple_stmt_iterator *, tree); |
65 | extern tree (gimple_stmt_iterator *, tree, tree, tree, tree); |
66 | extern void gsi_replace_with_seq_vops (gimple_stmt_iterator *, gimple_seq); |
67 | |
68 | /* gimple_build, functionally matching fold_buildN, outputs stmts |
69 | int the provided sequence, matching and simplifying them on-the-fly. |
70 | Supposed to replace force_gimple_operand (fold_buildN (...), ...). */ |
71 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
72 | enum gsi_iterator_update, |
73 | location_t, enum tree_code, tree, tree); |
74 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
75 | enum gsi_iterator_update, |
76 | location_t, enum tree_code, tree, tree, tree); |
77 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
78 | enum gsi_iterator_update, |
79 | location_t, enum tree_code, tree, tree, tree, tree); |
80 | template<class ...Args> |
81 | inline tree |
82 | gimple_build (gimple_seq *seq, location_t loc, |
83 | enum tree_code code, tree type, Args ...ops) |
84 | { |
85 | static_assert (sizeof...(ops) > 0 && sizeof...(ops) <= 3, |
86 | "Number of operands must be from one to three" ); |
87 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
88 | return gimple_build (&gsi, false, GSI_CONTINUE_LINKING, |
89 | loc, code, type, ops...); |
90 | } |
91 | template<class ...Args> |
92 | inline tree |
93 | gimple_build (gimple_seq *seq, enum tree_code code, tree type, Args ...ops) |
94 | { |
95 | static_assert (sizeof...(ops) > 0 && sizeof...(ops) <= 3, |
96 | "Number of operands must be from one to three" ); |
97 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
98 | return gimple_build (&gsi, false, GSI_CONTINUE_LINKING, |
99 | UNKNOWN_LOCATION, code, type, ops...); |
100 | } |
101 | |
102 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
103 | enum gsi_iterator_update, |
104 | location_t, combined_fn, tree); |
105 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
106 | enum gsi_iterator_update, |
107 | location_t, combined_fn, tree, tree); |
108 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
109 | enum gsi_iterator_update, |
110 | location_t, combined_fn, tree, tree, tree); |
111 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
112 | enum gsi_iterator_update, |
113 | location_t, combined_fn, tree, tree, tree, tree); |
114 | template<class ...Args> |
115 | inline tree |
116 | gimple_build (gimple_seq *seq, location_t loc, |
117 | combined_fn fn, tree type, Args ...args) |
118 | { |
119 | static_assert (sizeof...(args) < 4, |
120 | "Number of arguments must be less than four" ); |
121 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
122 | return gimple_build (&gsi, false, GSI_CONTINUE_LINKING, |
123 | loc, fn, type, args...); |
124 | } |
125 | template<class ...Args> |
126 | inline tree |
127 | gimple_build (gimple_seq *seq, combined_fn fn, tree type, Args ...args) |
128 | { |
129 | static_assert (sizeof...(args) < 4, |
130 | "Number of arguments must be less than four" ); |
131 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
132 | return gimple_build (&gsi, false, GSI_CONTINUE_LINKING, |
133 | UNKNOWN_LOCATION, fn, type, args...); |
134 | } |
135 | |
136 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
137 | enum gsi_iterator_update, |
138 | location_t, code_helper, tree, tree); |
139 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
140 | enum gsi_iterator_update, |
141 | location_t, code_helper, tree, tree, tree); |
142 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
143 | enum gsi_iterator_update, |
144 | location_t, code_helper, tree, tree, tree, tree); |
145 | |
146 | template<class ...Args> |
147 | inline tree |
148 | gimple_build (gimple_seq *seq, location_t loc, |
149 | code_helper code, tree type, Args ...ops) |
150 | { |
151 | static_assert (sizeof...(ops) < 4, |
152 | "Number of operands must be less than four" ); |
153 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
154 | return gimple_build (&gsi, false, GSI_CONTINUE_LINKING, |
155 | loc, code, type, ops...); |
156 | } |
157 | template<class ...Args> |
158 | inline tree |
159 | gimple_build (gimple_seq *seq, |
160 | code_helper code, tree type, Args ...ops) |
161 | { |
162 | static_assert (sizeof...(ops) < 4, |
163 | "Number of operands must be less than four" ); |
164 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
165 | return gimple_build (&gsi, false, GSI_CONTINUE_LINKING, |
166 | UNKNOWN_LOCATION, code, type, ops...); |
167 | } |
168 | |
169 | extern tree gimple_convert (gimple_stmt_iterator *, bool, |
170 | enum gsi_iterator_update, |
171 | location_t, tree, tree); |
172 | inline tree |
173 | gimple_convert (gimple_seq *seq, location_t loc, tree type, tree op) |
174 | { |
175 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
176 | return gimple_convert (&gsi, false, GSI_CONTINUE_LINKING, loc, type, op); |
177 | } |
178 | inline tree |
179 | gimple_convert (gimple_seq *seq, tree type, tree op) |
180 | { |
181 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
182 | return gimple_convert (&gsi, false, GSI_CONTINUE_LINKING, |
183 | UNKNOWN_LOCATION, type, op); |
184 | } |
185 | |
186 | extern tree gimple_convert_to_ptrofftype (gimple_stmt_iterator *, bool, |
187 | enum gsi_iterator_update, |
188 | location_t, tree); |
189 | inline tree |
190 | gimple_convert_to_ptrofftype (gimple_seq *seq, location_t loc, tree op) |
191 | { |
192 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
193 | return gimple_convert_to_ptrofftype (&gsi, false, GSI_CONTINUE_LINKING, |
194 | loc, op); |
195 | } |
196 | inline tree |
197 | gimple_convert_to_ptrofftype (gimple_seq *seq, tree op) |
198 | { |
199 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
200 | return gimple_convert_to_ptrofftype (&gsi, false, GSI_CONTINUE_LINKING, |
201 | UNKNOWN_LOCATION, op); |
202 | } |
203 | |
204 | extern tree gimple_build_vector_from_val (gimple_stmt_iterator *, bool, |
205 | enum gsi_iterator_update, |
206 | location_t, tree, tree); |
207 | inline tree |
208 | gimple_build_vector_from_val (gimple_seq *seq, location_t loc, |
209 | tree type, tree op) |
210 | { |
211 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
212 | return gimple_build_vector_from_val (&gsi, false, GSI_CONTINUE_LINKING, |
213 | loc, type, op); |
214 | } |
215 | inline tree |
216 | gimple_build_vector_from_val (gimple_seq *seq, tree type, tree op) |
217 | { |
218 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
219 | return gimple_build_vector_from_val (&gsi, false, GSI_CONTINUE_LINKING, |
220 | UNKNOWN_LOCATION, type, op); |
221 | } |
222 | |
223 | class tree_vector_builder; |
224 | extern tree gimple_build_vector (gimple_stmt_iterator *, bool, |
225 | enum gsi_iterator_update, |
226 | location_t, tree_vector_builder *); |
227 | inline tree |
228 | gimple_build_vector (gimple_seq *seq, location_t loc, |
229 | tree_vector_builder *builder) |
230 | { |
231 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
232 | return gimple_build_vector (&gsi, false, GSI_CONTINUE_LINKING, |
233 | loc, builder); |
234 | } |
235 | inline tree |
236 | gimple_build_vector (gimple_seq *seq, tree_vector_builder *builder) |
237 | { |
238 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
239 | return gimple_build_vector (&gsi, false, GSI_CONTINUE_LINKING, |
240 | UNKNOWN_LOCATION, builder); |
241 | } |
242 | |
243 | extern tree gimple_build_round_up (gimple_stmt_iterator *, bool, |
244 | enum gsi_iterator_update, |
245 | location_t, tree, tree, |
246 | unsigned HOST_WIDE_INT); |
247 | inline tree |
248 | gimple_build_round_up (gimple_seq *seq, location_t loc, |
249 | tree type, tree old_size, unsigned HOST_WIDE_INT align) |
250 | { |
251 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
252 | return gimple_build_round_up (&gsi, false, GSI_CONTINUE_LINKING, |
253 | loc, type, old_size, align); |
254 | } |
255 | inline tree |
256 | gimple_build_round_up (gimple_seq *seq, tree type, tree old_size, |
257 | unsigned HOST_WIDE_INT align) |
258 | { |
259 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
260 | return gimple_build_round_up (&gsi, false, GSI_CONTINUE_LINKING, |
261 | UNKNOWN_LOCATION, type, old_size, align); |
262 | } |
263 | |
264 | extern bool gimple_stmt_nonnegative_warnv_p (gimple *, bool *, int = 0); |
265 | extern bool gimple_stmt_integer_valued_real_p (gimple *, int = 0); |
266 | extern void mark_lhs_in_seq_for_dce (bitmap, gimple_seq); |
267 | |
268 | /* In gimple-match.cc. */ |
269 | extern tree gimple_simplify (enum tree_code, tree, tree, |
270 | gimple_seq *, tree (*)(tree)); |
271 | extern tree gimple_simplify (enum tree_code, tree, tree, tree, |
272 | gimple_seq *, tree (*)(tree)); |
273 | extern tree gimple_simplify (enum tree_code, tree, tree, tree, tree, |
274 | gimple_seq *, tree (*)(tree)); |
275 | extern tree gimple_simplify (combined_fn, tree, tree, |
276 | gimple_seq *, tree (*)(tree)); |
277 | extern tree gimple_simplify (combined_fn, tree, tree, tree, |
278 | gimple_seq *, tree (*)(tree)); |
279 | extern tree gimple_simplify (combined_fn, tree, tree, tree, tree, |
280 | gimple_seq *, tree (*)(tree)); |
281 | |
282 | #endif /* GCC_GIMPLE_FOLD_H */ |
283 | |