1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef GCC_COMMON_H_INCLUDED
3 #define GCC_COMMON_H_INCLUDED
4 
5 #include "bversion.h"
6 #if BUILDING_GCC_VERSION >= 6000
7 #include "gcc-plugin.h"
8 #else
9 #include "plugin.h"
10 #endif
11 #include "plugin-version.h"
12 #include "config.h"
13 #include "system.h"
14 #include "coretypes.h"
15 #include "tm.h"
16 #include "line-map.h"
17 #include "input.h"
18 #include "tree.h"
19 
20 #include "tree-inline.h"
21 #include "version.h"
22 #include "rtl.h"
23 #include "tm_p.h"
24 #include "flags.h"
25 #include "hard-reg-set.h"
26 #include "output.h"
27 #include "except.h"
28 #include "function.h"
29 #include "toplev.h"
30 #if BUILDING_GCC_VERSION >= 5000
31 #include "expr.h"
32 #endif
33 #include "basic-block.h"
34 #include "intl.h"
35 #include "ggc.h"
36 #include "timevar.h"
37 
38 #include "params.h"
39 
40 #if BUILDING_GCC_VERSION <= 4009
41 #include "pointer-set.h"
42 #else
43 #include "hash-map.h"
44 #endif
45 
46 #if BUILDING_GCC_VERSION >= 7000
47 #include "memmodel.h"
48 #endif
49 #include "emit-rtl.h"
50 #include "debug.h"
51 #include "target.h"
52 #include "langhooks.h"
53 #include "cfgloop.h"
54 #include "cgraph.h"
55 #include "opts.h"
56 
57 #if BUILDING_GCC_VERSION == 4005
58 #include <sys/mman.h>
59 #endif
60 
61 #if BUILDING_GCC_VERSION >= 4007
62 #include "tree-pretty-print.h"
63 #include "gimple-pretty-print.h"
64 #endif
65 
66 #if BUILDING_GCC_VERSION >= 4006
67 /*
68  * The c-family headers were moved into a subdirectory in GCC version
69  * 4.7, but most plugin-building users of GCC 4.6 are using the Debian
70  * or Ubuntu package, which has an out-of-tree patch to move this to the
71  * same location as found in 4.7 and later:
72  * https://sources.debian.net/src/gcc-4.6/4.6.3-14/debian/patches/pr45078.diff/
73  */
74 #include "c-family/c-common.h"
75 #else
76 #include "c-common.h"
77 #endif
78 
79 #if BUILDING_GCC_VERSION <= 4008
80 #include "tree-flow.h"
81 #else
82 #include "tree-cfgcleanup.h"
83 #include "tree-ssa-operands.h"
84 #include "tree-into-ssa.h"
85 #endif
86 
87 #if BUILDING_GCC_VERSION >= 4008
88 #include "is-a.h"
89 #endif
90 
91 #include "diagnostic.h"
92 #include "tree-dump.h"
93 #include "tree-pass.h"
94 #if BUILDING_GCC_VERSION >= 4009
95 #include "pass_manager.h"
96 #endif
97 #include "predict.h"
98 #include "ipa-utils.h"
99 
100 #if BUILDING_GCC_VERSION >= 8000
101 #include "stringpool.h"
102 #endif
103 
104 #if BUILDING_GCC_VERSION >= 4009
105 #include "attribs.h"
106 #include "varasm.h"
107 #include "stor-layout.h"
108 #include "internal-fn.h"
109 #include "gimple-expr.h"
110 #include "gimple-fold.h"
111 #include "context.h"
112 #include "tree-ssa-alias.h"
113 #include "tree-ssa.h"
114 #include "stringpool.h"
115 #if BUILDING_GCC_VERSION >= 7000
116 #include "tree-vrp.h"
117 #endif
118 #include "tree-ssanames.h"
119 #include "print-tree.h"
120 #include "tree-eh.h"
121 #include "stmt.h"
122 #include "gimplify.h"
123 #endif
124 
125 #include "gimple.h"
126 
127 #if BUILDING_GCC_VERSION >= 4009
128 #include "tree-ssa-operands.h"
129 #include "tree-phinodes.h"
130 #include "tree-cfg.h"
131 #include "gimple-iterator.h"
132 #include "gimple-ssa.h"
133 #include "ssa-iterators.h"
134 #endif
135 
136 #if BUILDING_GCC_VERSION >= 5000
137 #include "builtins.h"
138 #endif
139 
140 /* missing from basic_block.h... */
141 void debug_dominance_info(enum cdi_direction dir);
142 void debug_dominance_tree(enum cdi_direction dir, basic_block root);
143 
144 #if BUILDING_GCC_VERSION == 4006
145 void debug_gimple_stmt(gimple);
146 void debug_gimple_seq(gimple_seq);
147 void print_gimple_seq(FILE *, gimple_seq, int, int);
148 void print_gimple_stmt(FILE *, gimple, int, int);
149 void print_gimple_expr(FILE *, gimple, int, int);
150 void dump_gimple_stmt(pretty_printer *, gimple, int, int);
151 #endif
152 
153 #define __unused __attribute__((__unused__))
154 #define __visible __attribute__((visibility("default")))
155 
156 #define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node))
157 #define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node))
158 #define TYPE_NAME_POINTER(node) IDENTIFIER_POINTER(TYPE_NAME(node))
159 #define TYPE_NAME_LENGTH(node) IDENTIFIER_LENGTH(TYPE_NAME(node))
160 
161 /* should come from c-tree.h if only it were installed for gcc 4.5... */
162 #define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1(TYPE)
163 
164 static inline tree build_const_char_string(int len, const char *str)
165 {
166 	tree cstr, elem, index, type;
167 
168 	cstr = build_string(len, str);
169 	elem = build_type_variant(char_type_node, 1, 0);
170 	index = build_index_type(size_int(len - 1));
171 	type = build_array_type(elem, index);
172 	TREE_TYPE(cstr) = type;
173 	TREE_CONSTANT(cstr) = 1;
174 	TREE_READONLY(cstr) = 1;
175 	TREE_STATIC(cstr) = 1;
176 	return cstr;
177 }
178 
179 #define PASS_INFO(NAME, REF, ID, POS)		\
180 struct register_pass_info NAME##_pass_info = {	\
181 	.pass = make_##NAME##_pass(),		\
182 	.reference_pass_name = REF,		\
183 	.ref_pass_instance_number = ID,		\
184 	.pos_op = POS,				\
185 }
186 
187 #if BUILDING_GCC_VERSION == 4005
188 #define FOR_EACH_LOCAL_DECL(FUN, I, D)			\
189 	for (tree vars = (FUN)->local_decls, (I) = 0;	\
190 		vars && ((D) = TREE_VALUE(vars));	\
191 		vars = TREE_CHAIN(vars), (I)++)
192 #define DECL_CHAIN(NODE) (TREE_CHAIN(DECL_MINIMAL_CHECK(NODE)))
193 #define FOR_EACH_VEC_ELT(T, V, I, P) \
194 	for (I = 0; VEC_iterate(T, (V), (I), (P)); ++(I))
195 #define TODO_rebuild_cgraph_edges 0
196 #define SCOPE_FILE_SCOPE_P(EXP) (!(EXP))
197 
198 #ifndef O_BINARY
199 #define O_BINARY 0
200 #endif
201 
202 typedef struct varpool_node *varpool_node_ptr;
203 
204 static inline bool gimple_call_builtin_p(gimple stmt, enum built_in_function code)
205 {
206 	tree fndecl;
207 
208 	if (!is_gimple_call(stmt))
209 		return false;
210 	fndecl = gimple_call_fndecl(stmt);
211 	if (!fndecl || DECL_BUILT_IN_CLASS(fndecl) != BUILT_IN_NORMAL)
212 		return false;
213 	return DECL_FUNCTION_CODE(fndecl) == code;
214 }
215 
216 static inline bool is_simple_builtin(tree decl)
217 {
218 	if (decl && DECL_BUILT_IN_CLASS(decl) != BUILT_IN_NORMAL)
219 		return false;
220 
221 	switch (DECL_FUNCTION_CODE(decl)) {
222 	/* Builtins that expand to constants. */
223 	case BUILT_IN_CONSTANT_P:
224 	case BUILT_IN_EXPECT:
225 	case BUILT_IN_OBJECT_SIZE:
226 	case BUILT_IN_UNREACHABLE:
227 	/* Simple register moves or loads from stack. */
228 	case BUILT_IN_RETURN_ADDRESS:
229 	case BUILT_IN_EXTRACT_RETURN_ADDR:
230 	case BUILT_IN_FROB_RETURN_ADDR:
231 	case BUILT_IN_RETURN:
232 	case BUILT_IN_AGGREGATE_INCOMING_ADDRESS:
233 	case BUILT_IN_FRAME_ADDRESS:
234 	case BUILT_IN_VA_END:
235 	case BUILT_IN_STACK_SAVE:
236 	case BUILT_IN_STACK_RESTORE:
237 	/* Exception state returns or moves registers around. */
238 	case BUILT_IN_EH_FILTER:
239 	case BUILT_IN_EH_POINTER:
240 	case BUILT_IN_EH_COPY_VALUES:
241 	return true;
242 
243 	default:
244 	return false;
245 	}
246 }
247 
248 static inline void add_local_decl(struct function *fun, tree d)
249 {
250 	gcc_assert(TREE_CODE(d) == VAR_DECL);
251 	fun->local_decls = tree_cons(NULL_TREE, d, fun->local_decls);
252 }
253 #endif
254 
255 #if BUILDING_GCC_VERSION <= 4006
256 #define ANY_RETURN_P(rtx) (GET_CODE(rtx) == RETURN)
257 #define C_DECL_REGISTER(EXP) DECL_LANG_FLAG_4(EXP)
258 #define EDGE_PRESERVE 0ULL
259 #define HOST_WIDE_INT_PRINT_HEX_PURE "%" HOST_WIDE_INT_PRINT "x"
260 #define flag_fat_lto_objects true
261 
262 #define get_random_seed(noinit) ({						\
263 	unsigned HOST_WIDE_INT seed;						\
264 	sscanf(get_random_seed(noinit), "%" HOST_WIDE_INT_PRINT "x", &seed);	\
265 	seed * seed; })
266 
267 #define int_const_binop(code, arg1, arg2)	\
268 	int_const_binop((code), (arg1), (arg2), 0)
269 
270 static inline bool gimple_clobber_p(gimple s __unused)
271 {
272 	return false;
273 }
274 
275 static inline bool gimple_asm_clobbers_memory_p(const_gimple stmt)
276 {
277 	unsigned i;
278 
279 	for (i = 0; i < gimple_asm_nclobbers(stmt); i++) {
280 		tree op = gimple_asm_clobber_op(stmt, i);
281 
282 		if (!strcmp(TREE_STRING_POINTER(TREE_VALUE(op)), "memory"))
283 			return true;
284 	}
285 
286 	return false;
287 }
288 
289 static inline tree builtin_decl_implicit(enum built_in_function fncode)
290 {
291 	return implicit_built_in_decls[fncode];
292 }
293 
294 static inline int ipa_reverse_postorder(struct cgraph_node **order)
295 {
296 	return cgraph_postorder(order);
297 }
298 
299 static inline struct cgraph_node *cgraph_create_node(tree decl)
300 {
301 	return cgraph_node(decl);
302 }
303 
304 static inline struct cgraph_node *cgraph_get_create_node(tree decl)
305 {
306 	struct cgraph_node *node = cgraph_get_node(decl);
307 
308 	return node ? node : cgraph_node(decl);
309 }
310 
311 static inline bool cgraph_function_with_gimple_body_p(struct cgraph_node *node)
312 {
313 	return node->analyzed && !node->thunk.thunk_p && !node->alias;
314 }
315 
316 static inline struct cgraph_node *cgraph_first_function_with_gimple_body(void)
317 {
318 	struct cgraph_node *node;
319 
320 	for (node = cgraph_nodes; node; node = node->next)
321 		if (cgraph_function_with_gimple_body_p(node))
322 			return node;
323 	return NULL;
324 }
325 
326 static inline struct cgraph_node *cgraph_next_function_with_gimple_body(struct cgraph_node *node)
327 {
328 	for (node = node->next; node; node = node->next)
329 		if (cgraph_function_with_gimple_body_p(node))
330 			return node;
331 	return NULL;
332 }
333 
334 static inline bool cgraph_for_node_and_aliases(cgraph_node_ptr node, bool (*callback)(cgraph_node_ptr, void *), void *data, bool include_overwritable)
335 {
336 	cgraph_node_ptr alias;
337 
338 	if (callback(node, data))
339 		return true;
340 
341 	for (alias = node->same_body; alias; alias = alias->next) {
342 		if (include_overwritable || cgraph_function_body_availability(alias) > AVAIL_OVERWRITABLE)
343 			if (cgraph_for_node_and_aliases(alias, callback, data, include_overwritable))
344 				return true;
345 	}
346 
347 	return false;
348 }
349 
350 #define FOR_EACH_FUNCTION_WITH_GIMPLE_BODY(node) \
351 	for ((node) = cgraph_first_function_with_gimple_body(); (node); \
352 		(node) = cgraph_next_function_with_gimple_body(node))
353 
354 static inline void varpool_add_new_variable(tree decl)
355 {
356 	varpool_finalize_decl(decl);
357 }
358 #endif
359 
360 #if BUILDING_GCC_VERSION <= 4007
361 #define FOR_EACH_FUNCTION(node)	\
362 	for (node = cgraph_nodes; node; node = node->next)
363 #define FOR_EACH_VARIABLE(node)	\
364 	for (node = varpool_nodes; node; node = node->next)
365 #define PROP_loops 0
366 #define NODE_SYMBOL(node) (node)
367 #define NODE_DECL(node) (node)->decl
368 #define INSN_LOCATION(INSN) RTL_LOCATION(INSN)
369 #define vNULL NULL
370 
371 static inline int bb_loop_depth(const_basic_block bb)
372 {
373 	return bb->loop_father ? loop_depth(bb->loop_father) : 0;
374 }
375 
376 static inline bool gimple_store_p(gimple gs)
377 {
378 	tree lhs = gimple_get_lhs(gs);
379 
380 	return lhs && !is_gimple_reg(lhs);
381 }
382 
383 static inline void gimple_init_singleton(gimple g __unused)
384 {
385 }
386 #endif
387 
388 #if BUILDING_GCC_VERSION == 4007 || BUILDING_GCC_VERSION == 4008
389 static inline struct cgraph_node *cgraph_alias_target(struct cgraph_node *n)
390 {
391 	return cgraph_alias_aliased_node(n);
392 }
393 #endif
394 
395 #if BUILDING_GCC_VERSION >= 4007 && BUILDING_GCC_VERSION <= 4009
396 #define cgraph_create_edge(caller, callee, call_stmt, count, freq, nest) \
397 	cgraph_create_edge((caller), (callee), (call_stmt), (count), (freq))
398 #define cgraph_create_edge_including_clones(caller, callee, old_call_stmt, call_stmt, count, freq, nest, reason) \
399 	cgraph_create_edge_including_clones((caller), (callee), (old_call_stmt), (call_stmt), (count), (freq), (reason))
400 #endif
401 
402 #if BUILDING_GCC_VERSION <= 4008
403 #define ENTRY_BLOCK_PTR_FOR_FN(FN)	ENTRY_BLOCK_PTR_FOR_FUNCTION(FN)
404 #define EXIT_BLOCK_PTR_FOR_FN(FN)	EXIT_BLOCK_PTR_FOR_FUNCTION(FN)
405 #define basic_block_info_for_fn(FN)	((FN)->cfg->x_basic_block_info)
406 #define n_basic_blocks_for_fn(FN)	((FN)->cfg->x_n_basic_blocks)
407 #define n_edges_for_fn(FN)		((FN)->cfg->x_n_edges)
408 #define last_basic_block_for_fn(FN)	((FN)->cfg->x_last_basic_block)
409 #define label_to_block_map_for_fn(FN)	((FN)->cfg->x_label_to_block_map)
410 #define profile_status_for_fn(FN)	((FN)->cfg->x_profile_status)
411 #define BASIC_BLOCK_FOR_FN(FN, N)	BASIC_BLOCK_FOR_FUNCTION((FN), (N))
412 #define NODE_IMPLICIT_ALIAS(node)	(node)->same_body_alias
413 #define VAR_P(NODE)			(TREE_CODE(NODE) == VAR_DECL)
414 
415 static inline bool tree_fits_shwi_p(const_tree t)
416 {
417 	if (t == NULL_TREE || TREE_CODE(t) != INTEGER_CST)
418 		return false;
419 
420 	if (TREE_INT_CST_HIGH(t) == 0 && (HOST_WIDE_INT)TREE_INT_CST_LOW(t) >= 0)
421 		return true;
422 
423 	if (TREE_INT_CST_HIGH(t) == -1 && (HOST_WIDE_INT)TREE_INT_CST_LOW(t) < 0 && !TYPE_UNSIGNED(TREE_TYPE(t)))
424 		return true;
425 
426 	return false;
427 }
428 
429 static inline bool tree_fits_uhwi_p(const_tree t)
430 {
431 	if (t == NULL_TREE || TREE_CODE(t) != INTEGER_CST)
432 		return false;
433 
434 	return TREE_INT_CST_HIGH(t) == 0;
435 }
436 
437 static inline HOST_WIDE_INT tree_to_shwi(const_tree t)
438 {
439 	gcc_assert(tree_fits_shwi_p(t));
440 	return TREE_INT_CST_LOW(t);
441 }
442 
443 static inline unsigned HOST_WIDE_INT tree_to_uhwi(const_tree t)
444 {
445 	gcc_assert(tree_fits_uhwi_p(t));
446 	return TREE_INT_CST_LOW(t);
447 }
448 
449 static inline const char *get_tree_code_name(enum tree_code code)
450 {
451 	gcc_assert(code < MAX_TREE_CODES);
452 	return tree_code_name[code];
453 }
454 
455 #define ipa_remove_stmt_references(cnode, stmt)
456 
457 typedef union gimple_statement_d gasm;
458 typedef union gimple_statement_d gassign;
459 typedef union gimple_statement_d gcall;
460 typedef union gimple_statement_d gcond;
461 typedef union gimple_statement_d gdebug;
462 typedef union gimple_statement_d ggoto;
463 typedef union gimple_statement_d gphi;
464 typedef union gimple_statement_d greturn;
465 
466 static inline gasm *as_a_gasm(gimple stmt)
467 {
468 	return stmt;
469 }
470 
471 static inline const gasm *as_a_const_gasm(const_gimple stmt)
472 {
473 	return stmt;
474 }
475 
476 static inline gassign *as_a_gassign(gimple stmt)
477 {
478 	return stmt;
479 }
480 
481 static inline const gassign *as_a_const_gassign(const_gimple stmt)
482 {
483 	return stmt;
484 }
485 
486 static inline gcall *as_a_gcall(gimple stmt)
487 {
488 	return stmt;
489 }
490 
491 static inline const gcall *as_a_const_gcall(const_gimple stmt)
492 {
493 	return stmt;
494 }
495 
496 static inline gcond *as_a_gcond(gimple stmt)
497 {
498 	return stmt;
499 }
500 
501 static inline const gcond *as_a_const_gcond(const_gimple stmt)
502 {
503 	return stmt;
504 }
505 
506 static inline gdebug *as_a_gdebug(gimple stmt)
507 {
508 	return stmt;
509 }
510 
511 static inline const gdebug *as_a_const_gdebug(const_gimple stmt)
512 {
513 	return stmt;
514 }
515 
516 static inline ggoto *as_a_ggoto(gimple stmt)
517 {
518 	return stmt;
519 }
520 
521 static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
522 {
523 	return stmt;
524 }
525 
526 static inline gphi *as_a_gphi(gimple stmt)
527 {
528 	return stmt;
529 }
530 
531 static inline const gphi *as_a_const_gphi(const_gimple stmt)
532 {
533 	return stmt;
534 }
535 
536 static inline greturn *as_a_greturn(gimple stmt)
537 {
538 	return stmt;
539 }
540 
541 static inline const greturn *as_a_const_greturn(const_gimple stmt)
542 {
543 	return stmt;
544 }
545 #endif
546 
547 #if BUILDING_GCC_VERSION == 4008
548 #define NODE_SYMBOL(node) (&(node)->symbol)
549 #define NODE_DECL(node) (node)->symbol.decl
550 #endif
551 
552 #if BUILDING_GCC_VERSION >= 4008
553 #define add_referenced_var(var)
554 #define mark_sym_for_renaming(var)
555 #define varpool_mark_needed_node(node)
556 #define create_var_ann(var)
557 #define TODO_dump_func 0
558 #define TODO_dump_cgraph 0
559 #endif
560 
561 #if BUILDING_GCC_VERSION <= 4009
562 #define TODO_verify_il 0
563 #define AVAIL_INTERPOSABLE AVAIL_OVERWRITABLE
564 
565 #define section_name_prefix LTO_SECTION_NAME_PREFIX
566 #define fatal_error(loc, gmsgid, ...) fatal_error((gmsgid), __VA_ARGS__)
567 
568 rtx emit_move_insn(rtx x, rtx y);
569 
570 typedef struct rtx_def rtx_insn;
571 
572 static inline const char *get_decl_section_name(const_tree decl)
573 {
574 	if (DECL_SECTION_NAME(decl) == NULL_TREE)
575 		return NULL;
576 
577 	return TREE_STRING_POINTER(DECL_SECTION_NAME(decl));
578 }
579 
580 static inline void set_decl_section_name(tree node, const char *value)
581 {
582 	if (value)
583 		DECL_SECTION_NAME(node) = build_string(strlen(value) + 1, value);
584 	else
585 		DECL_SECTION_NAME(node) = NULL;
586 }
587 #endif
588 
589 #if BUILDING_GCC_VERSION == 4009
590 typedef struct gimple_statement_asm gasm;
591 typedef struct gimple_statement_base gassign;
592 typedef struct gimple_statement_call gcall;
593 typedef struct gimple_statement_base gcond;
594 typedef struct gimple_statement_base gdebug;
595 typedef struct gimple_statement_base ggoto;
596 typedef struct gimple_statement_phi gphi;
597 typedef struct gimple_statement_base greturn;
598 
599 static inline gasm *as_a_gasm(gimple stmt)
600 {
601 	return as_a<gasm>(stmt);
602 }
603 
604 static inline const gasm *as_a_const_gasm(const_gimple stmt)
605 {
606 	return as_a<const gasm>(stmt);
607 }
608 
609 static inline gassign *as_a_gassign(gimple stmt)
610 {
611 	return stmt;
612 }
613 
614 static inline const gassign *as_a_const_gassign(const_gimple stmt)
615 {
616 	return stmt;
617 }
618 
619 static inline gcall *as_a_gcall(gimple stmt)
620 {
621 	return as_a<gcall>(stmt);
622 }
623 
624 static inline const gcall *as_a_const_gcall(const_gimple stmt)
625 {
626 	return as_a<const gcall>(stmt);
627 }
628 
629 static inline gcond *as_a_gcond(gimple stmt)
630 {
631 	return stmt;
632 }
633 
634 static inline const gcond *as_a_const_gcond(const_gimple stmt)
635 {
636 	return stmt;
637 }
638 
639 static inline gdebug *as_a_gdebug(gimple stmt)
640 {
641 	return stmt;
642 }
643 
644 static inline const gdebug *as_a_const_gdebug(const_gimple stmt)
645 {
646 	return stmt;
647 }
648 
649 static inline ggoto *as_a_ggoto(gimple stmt)
650 {
651 	return stmt;
652 }
653 
654 static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
655 {
656 	return stmt;
657 }
658 
659 static inline gphi *as_a_gphi(gimple stmt)
660 {
661 	return as_a<gphi>(stmt);
662 }
663 
664 static inline const gphi *as_a_const_gphi(const_gimple stmt)
665 {
666 	return as_a<const gphi>(stmt);
667 }
668 
669 static inline greturn *as_a_greturn(gimple stmt)
670 {
671 	return stmt;
672 }
673 
674 static inline const greturn *as_a_const_greturn(const_gimple stmt)
675 {
676 	return stmt;
677 }
678 #endif
679 
680 #if BUILDING_GCC_VERSION >= 4009
681 #define TODO_ggc_collect 0
682 #define NODE_SYMBOL(node) (node)
683 #define NODE_DECL(node) (node)->decl
684 #define cgraph_node_name(node) (node)->name()
685 #define NODE_IMPLICIT_ALIAS(node) (node)->cpp_implicit_alias
686 
687 static inline opt_pass *get_pass_for_id(int id)
688 {
689 	return g->get_passes()->get_pass_for_id(id);
690 }
691 #endif
692 
693 #if BUILDING_GCC_VERSION >= 5000 && BUILDING_GCC_VERSION < 6000
694 /* gimple related */
695 template <>
696 template <>
697 inline bool is_a_helper<const gassign *>::test(const_gimple gs)
698 {
699 	return gs->code == GIMPLE_ASSIGN;
700 }
701 #endif
702 
703 #if BUILDING_GCC_VERSION >= 5000
704 #define TODO_verify_ssa TODO_verify_il
705 #define TODO_verify_flow TODO_verify_il
706 #define TODO_verify_stmts TODO_verify_il
707 #define TODO_verify_rtl_sharing TODO_verify_il
708 
709 #define INSN_DELETED_P(insn) (insn)->deleted()
710 
711 static inline const char *get_decl_section_name(const_tree decl)
712 {
713 	return DECL_SECTION_NAME(decl);
714 }
715 
716 /* symtab/cgraph related */
717 #define debug_cgraph_node(node) (node)->debug()
718 #define cgraph_get_node(decl) cgraph_node::get(decl)
719 #define cgraph_get_create_node(decl) cgraph_node::get_create(decl)
720 #define cgraph_create_node(decl) cgraph_node::create(decl)
721 #define cgraph_n_nodes symtab->cgraph_count
722 #define cgraph_max_uid symtab->cgraph_max_uid
723 #define varpool_get_node(decl) varpool_node::get(decl)
724 #define dump_varpool_node(file, node) (node)->dump(file)
725 
726 #define cgraph_create_edge(caller, callee, call_stmt, count, freq, nest) \
727 	(caller)->create_edge((callee), (call_stmt), (count), (freq))
728 #define cgraph_create_edge_including_clones(caller, callee, old_call_stmt, call_stmt, count, freq, nest, reason) \
729 	(caller)->create_edge_including_clones((callee), (old_call_stmt), (call_stmt), (count), (freq), (reason))
730 
731 typedef struct cgraph_node *cgraph_node_ptr;
732 typedef struct cgraph_edge *cgraph_edge_p;
733 typedef struct varpool_node *varpool_node_ptr;
734 
735 static inline void change_decl_assembler_name(tree decl, tree name)
736 {
737 	symtab->change_decl_assembler_name(decl, name);
738 }
739 
740 static inline void varpool_finalize_decl(tree decl)
741 {
742 	varpool_node::finalize_decl(decl);
743 }
744 
745 static inline void varpool_add_new_variable(tree decl)
746 {
747 	varpool_node::add(decl);
748 }
749 
750 static inline unsigned int rebuild_cgraph_edges(void)
751 {
752 	return cgraph_edge::rebuild_edges();
753 }
754 
755 static inline cgraph_node_ptr cgraph_function_node(cgraph_node_ptr node, enum availability *availability)
756 {
757 	return node->function_symbol(availability);
758 }
759 
760 static inline cgraph_node_ptr cgraph_function_or_thunk_node(cgraph_node_ptr node, enum availability *availability = NULL)
761 {
762 	return node->ultimate_alias_target(availability);
763 }
764 
765 static inline bool cgraph_only_called_directly_p(cgraph_node_ptr node)
766 {
767 	return node->only_called_directly_p();
768 }
769 
770 static inline enum availability cgraph_function_body_availability(cgraph_node_ptr node)
771 {
772 	return node->get_availability();
773 }
774 
775 static inline cgraph_node_ptr cgraph_alias_target(cgraph_node_ptr node)
776 {
777 	return node->get_alias_target();
778 }
779 
780 static inline bool cgraph_for_node_and_aliases(cgraph_node_ptr node, bool (*callback)(cgraph_node_ptr, void *), void *data, bool include_overwritable)
781 {
782 	return node->call_for_symbol_thunks_and_aliases(callback, data, include_overwritable);
783 }
784 
785 static inline struct cgraph_node_hook_list *cgraph_add_function_insertion_hook(cgraph_node_hook hook, void *data)
786 {
787 	return symtab->add_cgraph_insertion_hook(hook, data);
788 }
789 
790 static inline void cgraph_remove_function_insertion_hook(struct cgraph_node_hook_list *entry)
791 {
792 	symtab->remove_cgraph_insertion_hook(entry);
793 }
794 
795 static inline struct cgraph_node_hook_list *cgraph_add_node_removal_hook(cgraph_node_hook hook, void *data)
796 {
797 	return symtab->add_cgraph_removal_hook(hook, data);
798 }
799 
800 static inline void cgraph_remove_node_removal_hook(struct cgraph_node_hook_list *entry)
801 {
802 	symtab->remove_cgraph_removal_hook(entry);
803 }
804 
805 static inline struct cgraph_2node_hook_list *cgraph_add_node_duplication_hook(cgraph_2node_hook hook, void *data)
806 {
807 	return symtab->add_cgraph_duplication_hook(hook, data);
808 }
809 
810 static inline void cgraph_remove_node_duplication_hook(struct cgraph_2node_hook_list *entry)
811 {
812 	symtab->remove_cgraph_duplication_hook(entry);
813 }
814 
815 static inline void cgraph_call_node_duplication_hooks(cgraph_node_ptr node, cgraph_node_ptr node2)
816 {
817 	symtab->call_cgraph_duplication_hooks(node, node2);
818 }
819 
820 static inline void cgraph_call_edge_duplication_hooks(cgraph_edge *cs1, cgraph_edge *cs2)
821 {
822 	symtab->call_edge_duplication_hooks(cs1, cs2);
823 }
824 
825 #if BUILDING_GCC_VERSION >= 6000
826 typedef gimple *gimple_ptr;
827 typedef const gimple *const_gimple_ptr;
828 #define gimple gimple_ptr
829 #define const_gimple const_gimple_ptr
830 #undef CONST_CAST_GIMPLE
831 #define CONST_CAST_GIMPLE(X) CONST_CAST(gimple, (X))
832 #endif
833 
834 /* gimple related */
835 static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree lhs, tree op1, tree op2 MEM_STAT_DECL)
836 {
837 	return gimple_build_assign(lhs, subcode, op1, op2 PASS_MEM_STAT);
838 }
839 
840 template <>
841 template <>
842 inline bool is_a_helper<const ggoto *>::test(const_gimple gs)
843 {
844 	return gs->code == GIMPLE_GOTO;
845 }
846 
847 template <>
848 template <>
849 inline bool is_a_helper<const greturn *>::test(const_gimple gs)
850 {
851 	return gs->code == GIMPLE_RETURN;
852 }
853 
854 static inline gasm *as_a_gasm(gimple stmt)
855 {
856 	return as_a<gasm *>(stmt);
857 }
858 
859 static inline const gasm *as_a_const_gasm(const_gimple stmt)
860 {
861 	return as_a<const gasm *>(stmt);
862 }
863 
864 static inline gassign *as_a_gassign(gimple stmt)
865 {
866 	return as_a<gassign *>(stmt);
867 }
868 
869 static inline const gassign *as_a_const_gassign(const_gimple stmt)
870 {
871 	return as_a<const gassign *>(stmt);
872 }
873 
874 static inline gcall *as_a_gcall(gimple stmt)
875 {
876 	return as_a<gcall *>(stmt);
877 }
878 
879 static inline const gcall *as_a_const_gcall(const_gimple stmt)
880 {
881 	return as_a<const gcall *>(stmt);
882 }
883 
884 static inline ggoto *as_a_ggoto(gimple stmt)
885 {
886 	return as_a<ggoto *>(stmt);
887 }
888 
889 static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
890 {
891 	return as_a<const ggoto *>(stmt);
892 }
893 
894 static inline gphi *as_a_gphi(gimple stmt)
895 {
896 	return as_a<gphi *>(stmt);
897 }
898 
899 static inline const gphi *as_a_const_gphi(const_gimple stmt)
900 {
901 	return as_a<const gphi *>(stmt);
902 }
903 
904 static inline greturn *as_a_greturn(gimple stmt)
905 {
906 	return as_a<greturn *>(stmt);
907 }
908 
909 static inline const greturn *as_a_const_greturn(const_gimple stmt)
910 {
911 	return as_a<const greturn *>(stmt);
912 }
913 
914 /* IPA/LTO related */
915 #define ipa_ref_list_referring_iterate(L, I, P)	\
916 	(L)->referring.iterate((I), &(P))
917 #define ipa_ref_list_reference_iterate(L, I, P)	\
918 	(L)->reference.iterate((I), &(P))
919 
920 static inline cgraph_node_ptr ipa_ref_referring_node(struct ipa_ref *ref)
921 {
922 	return dyn_cast<cgraph_node_ptr>(ref->referring);
923 }
924 
925 static inline void ipa_remove_stmt_references(symtab_node *referring_node, gimple stmt)
926 {
927 	referring_node->remove_stmt_references(stmt);
928 }
929 #endif
930 
931 #if BUILDING_GCC_VERSION < 6000
932 #define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning)	\
933 	get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, pvolatilep, keep_aligning)
934 #define gen_rtx_set(ARG0, ARG1) gen_rtx_SET(VOIDmode, (ARG0), (ARG1))
935 #endif
936 
937 #if BUILDING_GCC_VERSION >= 6000
938 #define gen_rtx_set(ARG0, ARG1) gen_rtx_SET((ARG0), (ARG1))
939 #endif
940 
941 #ifdef __cplusplus
942 static inline void debug_tree(const_tree t)
943 {
944 	debug_tree(CONST_CAST_TREE(t));
945 }
946 
947 static inline void debug_gimple_stmt(const_gimple s)
948 {
949 	debug_gimple_stmt(CONST_CAST_GIMPLE(s));
950 }
951 #else
952 #define debug_tree(t) debug_tree(CONST_CAST_TREE(t))
953 #define debug_gimple_stmt(s) debug_gimple_stmt(CONST_CAST_GIMPLE(s))
954 #endif
955 
956 #if BUILDING_GCC_VERSION >= 7000
957 #define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning)	\
958 	get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep)
959 #endif
960 
961 #if BUILDING_GCC_VERSION < 7000
962 #define SET_DECL_ALIGN(decl, align)	DECL_ALIGN(decl) = (align)
963 #define SET_DECL_MODE(decl, mode)	DECL_MODE(decl) = (mode)
964 #endif
965 
966 #endif
967