1 | /* Gimple folding definitions. |
2 | |
3 | Copyright (C) 2011-2023 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 create_tmp_reg_or_ssa_name (tree, gimple *stmt = NULL); |
26 | extern tree canonicalize_constructor_val (tree, tree); |
27 | extern tree get_symbol_constant_value (tree); |
28 | struct c_strlen_data; |
29 | extern bool get_range_strlen (tree, c_strlen_data *, unsigned eltsize); |
30 | extern void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree); |
31 | extern bool update_gimple_call (gimple_stmt_iterator *, tree, int, ...); |
32 | extern bool fold_stmt (gimple_stmt_iterator *); |
33 | extern bool fold_stmt (gimple_stmt_iterator *, tree (*) (tree)); |
34 | extern bool fold_stmt_inplace (gimple_stmt_iterator *); |
35 | extern tree maybe_fold_and_comparisons (tree, enum tree_code, tree, tree, |
36 | enum tree_code, tree, tree, |
37 | basic_block = nullptr); |
38 | extern tree maybe_fold_or_comparisons (tree, enum tree_code, tree, tree, |
39 | enum tree_code, tree, tree, |
40 | basic_block = nullptr); |
41 | extern bool optimize_atomic_compare_exchange_p (gimple *); |
42 | extern void fold_builtin_atomic_compare_exchange (gimple_stmt_iterator *); |
43 | extern tree no_follow_ssa_edges (tree); |
44 | extern tree follow_single_use_edges (tree); |
45 | extern tree follow_all_ssa_edges (tree); |
46 | extern tree gimple_fold_stmt_to_constant_1 (gimple *, tree (*) (tree), |
47 | tree (*) (tree) = no_follow_ssa_edges); |
48 | extern tree gimple_fold_stmt_to_constant (gimple *, tree (*) (tree)); |
49 | extern tree fold_ctor_reference (tree, tree, const poly_uint64&, |
50 | const poly_uint64&, tree, |
51 | unsigned HOST_WIDE_INT * = NULL); |
52 | extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree)); |
53 | extern tree fold_const_aggregate_ref (tree); |
54 | extern tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree, |
55 | bool *can_refer = NULL); |
56 | extern tree gimple_get_virt_method_for_vtable (HOST_WIDE_INT, tree, |
57 | unsigned HOST_WIDE_INT, |
58 | bool *can_refer = NULL); |
59 | extern tree gimple_fold_indirect_ref (tree); |
60 | extern bool gimple_fold_builtin_sprintf (gimple_stmt_iterator *); |
61 | extern bool gimple_fold_builtin_snprintf (gimple_stmt_iterator *); |
62 | extern bool arith_code_with_undefined_signed_overflow (tree_code); |
63 | extern void rewrite_to_defined_overflow (gimple_stmt_iterator *); |
64 | extern gimple_seq rewrite_to_defined_overflow (gimple *); |
65 | extern void replace_call_with_value (gimple_stmt_iterator *, tree); |
66 | extern tree (gimple_stmt_iterator *, tree, tree, tree, tree); |
67 | extern void gsi_replace_with_seq_vops (gimple_stmt_iterator *, gimple_seq); |
68 | |
69 | /* gimple_build, functionally matching fold_buildN, outputs stmts |
70 | int the provided sequence, matching and simplifying them on-the-fly. |
71 | Supposed to replace force_gimple_operand (fold_buildN (...), ...). */ |
72 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
73 | enum gsi_iterator_update, |
74 | location_t, enum tree_code, tree, tree); |
75 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
76 | enum gsi_iterator_update, |
77 | location_t, enum tree_code, tree, tree, tree); |
78 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
79 | enum gsi_iterator_update, |
80 | location_t, enum tree_code, tree, tree, tree, tree); |
81 | template<class ...Args> |
82 | inline tree |
83 | gimple_build (gimple_seq *seq, location_t loc, |
84 | enum tree_code code, tree type, Args ...ops) |
85 | { |
86 | static_assert (sizeof...(ops) > 0 && sizeof...(ops) <= 3, |
87 | "Number of operands must be from one to three" ); |
88 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
89 | return gimple_build (&gsi, false, GSI_CONTINUE_LINKING, |
90 | loc, code, type, ops...); |
91 | } |
92 | template<class ...Args> |
93 | inline tree |
94 | gimple_build (gimple_seq *seq, enum tree_code code, tree type, Args ...ops) |
95 | { |
96 | static_assert (sizeof...(ops) > 0 && sizeof...(ops) <= 3, |
97 | "Number of operands must be from one to three" ); |
98 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
99 | return gimple_build (&gsi, false, GSI_CONTINUE_LINKING, |
100 | UNKNOWN_LOCATION, code, type, ops...); |
101 | } |
102 | |
103 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
104 | enum gsi_iterator_update, |
105 | location_t, combined_fn, tree); |
106 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
107 | enum gsi_iterator_update, |
108 | location_t, combined_fn, tree, tree); |
109 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
110 | enum gsi_iterator_update, |
111 | location_t, combined_fn, tree, tree, tree); |
112 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
113 | enum gsi_iterator_update, |
114 | location_t, combined_fn, tree, tree, tree, tree); |
115 | template<class ...Args> |
116 | inline tree |
117 | gimple_build (gimple_seq *seq, location_t loc, |
118 | combined_fn fn, tree type, Args ...args) |
119 | { |
120 | static_assert (sizeof...(args) < 4, |
121 | "Number of arguments must be less than four" ); |
122 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
123 | return gimple_build (&gsi, false, GSI_CONTINUE_LINKING, |
124 | loc, fn, type, args...); |
125 | } |
126 | template<class ...Args> |
127 | inline tree |
128 | gimple_build (gimple_seq *seq, combined_fn fn, tree type, Args ...args) |
129 | { |
130 | static_assert (sizeof...(args) < 4, |
131 | "Number of arguments must be less than four" ); |
132 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
133 | return gimple_build (&gsi, false, GSI_CONTINUE_LINKING, |
134 | UNKNOWN_LOCATION, fn, type, args...); |
135 | } |
136 | |
137 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
138 | enum gsi_iterator_update, |
139 | location_t, code_helper, tree, tree); |
140 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
141 | enum gsi_iterator_update, |
142 | location_t, code_helper, tree, tree, tree); |
143 | extern tree gimple_build (gimple_stmt_iterator *, bool, |
144 | enum gsi_iterator_update, |
145 | location_t, code_helper, tree, tree, tree, tree); |
146 | |
147 | template<class ...Args> |
148 | inline tree |
149 | gimple_build (gimple_seq *seq, location_t loc, |
150 | code_helper code, tree type, Args ...ops) |
151 | { |
152 | static_assert (sizeof...(ops) < 4, |
153 | "Number of operands must be less than four" ); |
154 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
155 | return gimple_build (&gsi, false, GSI_CONTINUE_LINKING, |
156 | loc, code, type, ops...); |
157 | } |
158 | template<class ...Args> |
159 | inline tree |
160 | gimple_build (gimple_seq *seq, |
161 | code_helper code, tree type, Args ...ops) |
162 | { |
163 | static_assert (sizeof...(ops) < 4, |
164 | "Number of operands must be less than four" ); |
165 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
166 | return gimple_build (&gsi, false, GSI_CONTINUE_LINKING, |
167 | UNKNOWN_LOCATION, code, type, ops...); |
168 | } |
169 | |
170 | extern tree gimple_convert (gimple_stmt_iterator *, bool, |
171 | enum gsi_iterator_update, |
172 | location_t, tree, tree); |
173 | inline tree |
174 | gimple_convert (gimple_seq *seq, location_t loc, tree type, tree op) |
175 | { |
176 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
177 | return gimple_convert (&gsi, false, GSI_CONTINUE_LINKING, loc, type, op); |
178 | } |
179 | inline tree |
180 | gimple_convert (gimple_seq *seq, tree type, tree op) |
181 | { |
182 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
183 | return gimple_convert (&gsi, false, GSI_CONTINUE_LINKING, |
184 | UNKNOWN_LOCATION, type, op); |
185 | } |
186 | |
187 | extern tree gimple_convert_to_ptrofftype (gimple_stmt_iterator *, bool, |
188 | enum gsi_iterator_update, |
189 | location_t, tree); |
190 | inline tree |
191 | gimple_convert_to_ptrofftype (gimple_seq *seq, location_t loc, tree op) |
192 | { |
193 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
194 | return gimple_convert_to_ptrofftype (&gsi, false, GSI_CONTINUE_LINKING, |
195 | loc, op); |
196 | } |
197 | inline tree |
198 | gimple_convert_to_ptrofftype (gimple_seq *seq, tree op) |
199 | { |
200 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
201 | return gimple_convert_to_ptrofftype (&gsi, false, GSI_CONTINUE_LINKING, |
202 | UNKNOWN_LOCATION, op); |
203 | } |
204 | |
205 | extern tree gimple_build_vector_from_val (gimple_stmt_iterator *, bool, |
206 | enum gsi_iterator_update, |
207 | location_t, tree, tree); |
208 | inline tree |
209 | gimple_build_vector_from_val (gimple_seq *seq, location_t loc, |
210 | tree type, tree op) |
211 | { |
212 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
213 | return gimple_build_vector_from_val (&gsi, false, GSI_CONTINUE_LINKING, |
214 | loc, type, op); |
215 | } |
216 | inline tree |
217 | gimple_build_vector_from_val (gimple_seq *seq, tree type, tree op) |
218 | { |
219 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
220 | return gimple_build_vector_from_val (&gsi, false, GSI_CONTINUE_LINKING, |
221 | UNKNOWN_LOCATION, type, op); |
222 | } |
223 | |
224 | class tree_vector_builder; |
225 | extern tree gimple_build_vector (gimple_stmt_iterator *, bool, |
226 | enum gsi_iterator_update, |
227 | location_t, tree_vector_builder *); |
228 | inline tree |
229 | gimple_build_vector (gimple_seq *seq, location_t loc, |
230 | tree_vector_builder *builder) |
231 | { |
232 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
233 | return gimple_build_vector (&gsi, false, GSI_CONTINUE_LINKING, |
234 | loc, builder); |
235 | } |
236 | inline tree |
237 | gimple_build_vector (gimple_seq *seq, tree_vector_builder *builder) |
238 | { |
239 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
240 | return gimple_build_vector (&gsi, false, GSI_CONTINUE_LINKING, |
241 | UNKNOWN_LOCATION, builder); |
242 | } |
243 | |
244 | extern tree gimple_build_round_up (gimple_stmt_iterator *, bool, |
245 | enum gsi_iterator_update, |
246 | location_t, tree, tree, |
247 | unsigned HOST_WIDE_INT); |
248 | inline tree |
249 | gimple_build_round_up (gimple_seq *seq, location_t loc, |
250 | tree type, tree old_size, unsigned HOST_WIDE_INT align) |
251 | { |
252 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
253 | return gimple_build_round_up (&gsi, false, GSI_CONTINUE_LINKING, |
254 | loc, type, old_size, align); |
255 | } |
256 | inline tree |
257 | gimple_build_round_up (gimple_seq *seq, tree type, tree old_size, |
258 | unsigned HOST_WIDE_INT align) |
259 | { |
260 | gimple_stmt_iterator gsi = gsi_last (seq&: *seq); |
261 | return gimple_build_round_up (&gsi, false, GSI_CONTINUE_LINKING, |
262 | UNKNOWN_LOCATION, type, old_size, align); |
263 | } |
264 | |
265 | extern bool gimple_stmt_nonnegative_warnv_p (gimple *, bool *, int = 0); |
266 | extern bool gimple_stmt_integer_valued_real_p (gimple *, int = 0); |
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 | |