xref: /linux/scripts/gcc-plugins/gcc-common.h (revision e5c86679d5e864947a52fb31e45a425dea3e7fa9)
1 #ifndef GCC_COMMON_H_INCLUDED
2 #define GCC_COMMON_H_INCLUDED
3 
4 #include "bversion.h"
5 #if BUILDING_GCC_VERSION >= 6000
6 #include "gcc-plugin.h"
7 #else
8 #include "plugin.h"
9 #endif
10 #include "plugin-version.h"
11 #include "config.h"
12 #include "system.h"
13 #include "coretypes.h"
14 #include "tm.h"
15 #include "line-map.h"
16 #include "input.h"
17 #include "tree.h"
18 
19 #include "tree-inline.h"
20 #include "version.h"
21 #include "rtl.h"
22 #include "tm_p.h"
23 #include "flags.h"
24 #include "hard-reg-set.h"
25 #include "output.h"
26 #include "except.h"
27 #include "function.h"
28 #include "toplev.h"
29 #if BUILDING_GCC_VERSION >= 5000
30 #include "expr.h"
31 #endif
32 #include "basic-block.h"
33 #include "intl.h"
34 #include "ggc.h"
35 #include "timevar.h"
36 
37 #include "params.h"
38 
39 #if BUILDING_GCC_VERSION <= 4009
40 #include "pointer-set.h"
41 #else
42 #include "hash-map.h"
43 #endif
44 
45 #if BUILDING_GCC_VERSION >= 7000
46 #include "memmodel.h"
47 #endif
48 #include "emit-rtl.h"
49 #include "debug.h"
50 #include "target.h"
51 #include "langhooks.h"
52 #include "cfgloop.h"
53 #include "cgraph.h"
54 #include "opts.h"
55 
56 #if BUILDING_GCC_VERSION == 4005
57 #include <sys/mman.h>
58 #endif
59 
60 #if BUILDING_GCC_VERSION >= 4007
61 #include "tree-pretty-print.h"
62 #include "gimple-pretty-print.h"
63 #endif
64 
65 #if BUILDING_GCC_VERSION >= 4006
66 #include "c-family/c-common.h"
67 #else
68 #include "c-common.h"
69 #endif
70 
71 #if BUILDING_GCC_VERSION <= 4008
72 #include "tree-flow.h"
73 #else
74 #include "tree-cfgcleanup.h"
75 #include "tree-ssa-operands.h"
76 #include "tree-into-ssa.h"
77 #endif
78 
79 #if BUILDING_GCC_VERSION >= 4008
80 #include "is-a.h"
81 #endif
82 
83 #include "diagnostic.h"
84 #include "tree-dump.h"
85 #include "tree-pass.h"
86 #if BUILDING_GCC_VERSION >= 4009
87 #include "pass_manager.h"
88 #endif
89 #include "predict.h"
90 #include "ipa-utils.h"
91 
92 #if BUILDING_GCC_VERSION >= 4009
93 #include "attribs.h"
94 #include "varasm.h"
95 #include "stor-layout.h"
96 #include "internal-fn.h"
97 #include "gimple-expr.h"
98 #include "gimple-fold.h"
99 #include "context.h"
100 #include "tree-ssa-alias.h"
101 #include "tree-ssa.h"
102 #include "stringpool.h"
103 #if BUILDING_GCC_VERSION >= 7000
104 #include "tree-vrp.h"
105 #endif
106 #include "tree-ssanames.h"
107 #include "print-tree.h"
108 #include "tree-eh.h"
109 #include "stmt.h"
110 #include "gimplify.h"
111 #endif
112 
113 #include "gimple.h"
114 
115 #if BUILDING_GCC_VERSION >= 4009
116 #include "tree-ssa-operands.h"
117 #include "tree-phinodes.h"
118 #include "tree-cfg.h"
119 #include "gimple-iterator.h"
120 #include "gimple-ssa.h"
121 #include "ssa-iterators.h"
122 #endif
123 
124 #if BUILDING_GCC_VERSION >= 5000
125 #include "builtins.h"
126 #endif
127 
128 /* missing from basic_block.h... */
129 void debug_dominance_info(enum cdi_direction dir);
130 void debug_dominance_tree(enum cdi_direction dir, basic_block root);
131 
132 #if BUILDING_GCC_VERSION == 4006
133 void debug_gimple_stmt(gimple);
134 void debug_gimple_seq(gimple_seq);
135 void print_gimple_seq(FILE *, gimple_seq, int, int);
136 void print_gimple_stmt(FILE *, gimple, int, int);
137 void print_gimple_expr(FILE *, gimple, int, int);
138 void dump_gimple_stmt(pretty_printer *, gimple, int, int);
139 #endif
140 
141 #define __unused __attribute__((__unused__))
142 #define __visible __attribute__((visibility("default")))
143 
144 #define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node))
145 #define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node))
146 #define TYPE_NAME_POINTER(node) IDENTIFIER_POINTER(TYPE_NAME(node))
147 #define TYPE_NAME_LENGTH(node) IDENTIFIER_LENGTH(TYPE_NAME(node))
148 
149 /* should come from c-tree.h if only it were installed for gcc 4.5... */
150 #define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1(TYPE)
151 
152 static inline tree build_const_char_string(int len, const char *str)
153 {
154 	tree cstr, elem, index, type;
155 
156 	cstr = build_string(len, str);
157 	elem = build_type_variant(char_type_node, 1, 0);
158 	index = build_index_type(size_int(len - 1));
159 	type = build_array_type(elem, index);
160 	TREE_TYPE(cstr) = type;
161 	TREE_CONSTANT(cstr) = 1;
162 	TREE_READONLY(cstr) = 1;
163 	TREE_STATIC(cstr) = 1;
164 	return cstr;
165 }
166 
167 #define PASS_INFO(NAME, REF, ID, POS)		\
168 struct register_pass_info NAME##_pass_info = {	\
169 	.pass = make_##NAME##_pass(),		\
170 	.reference_pass_name = REF,		\
171 	.ref_pass_instance_number = ID,		\
172 	.pos_op = POS,				\
173 }
174 
175 #if BUILDING_GCC_VERSION == 4005
176 #define FOR_EACH_LOCAL_DECL(FUN, I, D)			\
177 	for (tree vars = (FUN)->local_decls, (I) = 0;	\
178 		vars && ((D) = TREE_VALUE(vars));	\
179 		vars = TREE_CHAIN(vars), (I)++)
180 #define DECL_CHAIN(NODE) (TREE_CHAIN(DECL_MINIMAL_CHECK(NODE)))
181 #define FOR_EACH_VEC_ELT(T, V, I, P) \
182 	for (I = 0; VEC_iterate(T, (V), (I), (P)); ++(I))
183 #define TODO_rebuild_cgraph_edges 0
184 #define SCOPE_FILE_SCOPE_P(EXP) (!(EXP))
185 
186 #ifndef O_BINARY
187 #define O_BINARY 0
188 #endif
189 
190 typedef struct varpool_node *varpool_node_ptr;
191 
192 static inline bool gimple_call_builtin_p(gimple stmt, enum built_in_function code)
193 {
194 	tree fndecl;
195 
196 	if (!is_gimple_call(stmt))
197 		return false;
198 	fndecl = gimple_call_fndecl(stmt);
199 	if (!fndecl || DECL_BUILT_IN_CLASS(fndecl) != BUILT_IN_NORMAL)
200 		return false;
201 	return DECL_FUNCTION_CODE(fndecl) == code;
202 }
203 
204 static inline bool is_simple_builtin(tree decl)
205 {
206 	if (decl && DECL_BUILT_IN_CLASS(decl) != BUILT_IN_NORMAL)
207 		return false;
208 
209 	switch (DECL_FUNCTION_CODE(decl)) {
210 	/* Builtins that expand to constants. */
211 	case BUILT_IN_CONSTANT_P:
212 	case BUILT_IN_EXPECT:
213 	case BUILT_IN_OBJECT_SIZE:
214 	case BUILT_IN_UNREACHABLE:
215 	/* Simple register moves or loads from stack. */
216 	case BUILT_IN_RETURN_ADDRESS:
217 	case BUILT_IN_EXTRACT_RETURN_ADDR:
218 	case BUILT_IN_FROB_RETURN_ADDR:
219 	case BUILT_IN_RETURN:
220 	case BUILT_IN_AGGREGATE_INCOMING_ADDRESS:
221 	case BUILT_IN_FRAME_ADDRESS:
222 	case BUILT_IN_VA_END:
223 	case BUILT_IN_STACK_SAVE:
224 	case BUILT_IN_STACK_RESTORE:
225 	/* Exception state returns or moves registers around. */
226 	case BUILT_IN_EH_FILTER:
227 	case BUILT_IN_EH_POINTER:
228 	case BUILT_IN_EH_COPY_VALUES:
229 	return true;
230 
231 	default:
232 	return false;
233 	}
234 }
235 
236 static inline void add_local_decl(struct function *fun, tree d)
237 {
238 	gcc_assert(TREE_CODE(d) == VAR_DECL);
239 	fun->local_decls = tree_cons(NULL_TREE, d, fun->local_decls);
240 }
241 #endif
242 
243 #if BUILDING_GCC_VERSION <= 4006
244 #define ANY_RETURN_P(rtx) (GET_CODE(rtx) == RETURN)
245 #define C_DECL_REGISTER(EXP) DECL_LANG_FLAG_4(EXP)
246 #define EDGE_PRESERVE 0ULL
247 #define HOST_WIDE_INT_PRINT_HEX_PURE "%" HOST_WIDE_INT_PRINT "x"
248 #define flag_fat_lto_objects true
249 
250 #define get_random_seed(noinit) ({						\
251 	unsigned HOST_WIDE_INT seed;						\
252 	sscanf(get_random_seed(noinit), "%" HOST_WIDE_INT_PRINT "x", &seed);	\
253 	seed * seed; })
254 
255 #define int_const_binop(code, arg1, arg2)	\
256 	int_const_binop((code), (arg1), (arg2), 0)
257 
258 static inline bool gimple_clobber_p(gimple s __unused)
259 {
260 	return false;
261 }
262 
263 static inline bool gimple_asm_clobbers_memory_p(const_gimple stmt)
264 {
265 	unsigned i;
266 
267 	for (i = 0; i < gimple_asm_nclobbers(stmt); i++) {
268 		tree op = gimple_asm_clobber_op(stmt, i);
269 
270 		if (!strcmp(TREE_STRING_POINTER(TREE_VALUE(op)), "memory"))
271 			return true;
272 	}
273 
274 	return false;
275 }
276 
277 static inline tree builtin_decl_implicit(enum built_in_function fncode)
278 {
279 	return implicit_built_in_decls[fncode];
280 }
281 
282 static inline int ipa_reverse_postorder(struct cgraph_node **order)
283 {
284 	return cgraph_postorder(order);
285 }
286 
287 static inline struct cgraph_node *cgraph_create_node(tree decl)
288 {
289 	return cgraph_node(decl);
290 }
291 
292 static inline struct cgraph_node *cgraph_get_create_node(tree decl)
293 {
294 	struct cgraph_node *node = cgraph_get_node(decl);
295 
296 	return node ? node : cgraph_node(decl);
297 }
298 
299 static inline bool cgraph_function_with_gimple_body_p(struct cgraph_node *node)
300 {
301 	return node->analyzed && !node->thunk.thunk_p && !node->alias;
302 }
303 
304 static inline struct cgraph_node *cgraph_first_function_with_gimple_body(void)
305 {
306 	struct cgraph_node *node;
307 
308 	for (node = cgraph_nodes; node; node = node->next)
309 		if (cgraph_function_with_gimple_body_p(node))
310 			return node;
311 	return NULL;
312 }
313 
314 static inline struct cgraph_node *cgraph_next_function_with_gimple_body(struct cgraph_node *node)
315 {
316 	for (node = node->next; node; node = node->next)
317 		if (cgraph_function_with_gimple_body_p(node))
318 			return node;
319 	return NULL;
320 }
321 
322 static inline bool cgraph_for_node_and_aliases(cgraph_node_ptr node, bool (*callback)(cgraph_node_ptr, void *), void *data, bool include_overwritable)
323 {
324 	cgraph_node_ptr alias;
325 
326 	if (callback(node, data))
327 		return true;
328 
329 	for (alias = node->same_body; alias; alias = alias->next) {
330 		if (include_overwritable || cgraph_function_body_availability(alias) > AVAIL_OVERWRITABLE)
331 			if (cgraph_for_node_and_aliases(alias, callback, data, include_overwritable))
332 				return true;
333 	}
334 
335 	return false;
336 }
337 
338 #define FOR_EACH_FUNCTION_WITH_GIMPLE_BODY(node) \
339 	for ((node) = cgraph_first_function_with_gimple_body(); (node); \
340 		(node) = cgraph_next_function_with_gimple_body(node))
341 
342 static inline void varpool_add_new_variable(tree decl)
343 {
344 	varpool_finalize_decl(decl);
345 }
346 #endif
347 
348 #if BUILDING_GCC_VERSION <= 4007
349 #define FOR_EACH_FUNCTION(node)	\
350 	for (node = cgraph_nodes; node; node = node->next)
351 #define FOR_EACH_VARIABLE(node)	\
352 	for (node = varpool_nodes; node; node = node->next)
353 #define PROP_loops 0
354 #define NODE_SYMBOL(node) (node)
355 #define NODE_DECL(node) (node)->decl
356 #define INSN_LOCATION(INSN) RTL_LOCATION(INSN)
357 #define vNULL NULL
358 
359 static inline int bb_loop_depth(const_basic_block bb)
360 {
361 	return bb->loop_father ? loop_depth(bb->loop_father) : 0;
362 }
363 
364 static inline bool gimple_store_p(gimple gs)
365 {
366 	tree lhs = gimple_get_lhs(gs);
367 
368 	return lhs && !is_gimple_reg(lhs);
369 }
370 
371 static inline void gimple_init_singleton(gimple g __unused)
372 {
373 }
374 #endif
375 
376 #if BUILDING_GCC_VERSION == 4007 || BUILDING_GCC_VERSION == 4008
377 static inline struct cgraph_node *cgraph_alias_target(struct cgraph_node *n)
378 {
379 	return cgraph_alias_aliased_node(n);
380 }
381 #endif
382 
383 #if BUILDING_GCC_VERSION >= 4007 && BUILDING_GCC_VERSION <= 4009
384 #define cgraph_create_edge(caller, callee, call_stmt, count, freq, nest) \
385 	cgraph_create_edge((caller), (callee), (call_stmt), (count), (freq))
386 #define cgraph_create_edge_including_clones(caller, callee, old_call_stmt, call_stmt, count, freq, nest, reason) \
387 	cgraph_create_edge_including_clones((caller), (callee), (old_call_stmt), (call_stmt), (count), (freq), (reason))
388 #endif
389 
390 #if BUILDING_GCC_VERSION <= 4008
391 #define ENTRY_BLOCK_PTR_FOR_FN(FN)	ENTRY_BLOCK_PTR_FOR_FUNCTION(FN)
392 #define EXIT_BLOCK_PTR_FOR_FN(FN)	EXIT_BLOCK_PTR_FOR_FUNCTION(FN)
393 #define basic_block_info_for_fn(FN)	((FN)->cfg->x_basic_block_info)
394 #define n_basic_blocks_for_fn(FN)	((FN)->cfg->x_n_basic_blocks)
395 #define n_edges_for_fn(FN)		((FN)->cfg->x_n_edges)
396 #define last_basic_block_for_fn(FN)	((FN)->cfg->x_last_basic_block)
397 #define label_to_block_map_for_fn(FN)	((FN)->cfg->x_label_to_block_map)
398 #define profile_status_for_fn(FN)	((FN)->cfg->x_profile_status)
399 #define BASIC_BLOCK_FOR_FN(FN, N)	BASIC_BLOCK_FOR_FUNCTION((FN), (N))
400 #define NODE_IMPLICIT_ALIAS(node)	(node)->same_body_alias
401 #define VAR_P(NODE)			(TREE_CODE(NODE) == VAR_DECL)
402 
403 static inline bool tree_fits_shwi_p(const_tree t)
404 {
405 	if (t == NULL_TREE || TREE_CODE(t) != INTEGER_CST)
406 		return false;
407 
408 	if (TREE_INT_CST_HIGH(t) == 0 && (HOST_WIDE_INT)TREE_INT_CST_LOW(t) >= 0)
409 		return true;
410 
411 	if (TREE_INT_CST_HIGH(t) == -1 && (HOST_WIDE_INT)TREE_INT_CST_LOW(t) < 0 && !TYPE_UNSIGNED(TREE_TYPE(t)))
412 		return true;
413 
414 	return false;
415 }
416 
417 static inline bool tree_fits_uhwi_p(const_tree t)
418 {
419 	if (t == NULL_TREE || TREE_CODE(t) != INTEGER_CST)
420 		return false;
421 
422 	return TREE_INT_CST_HIGH(t) == 0;
423 }
424 
425 static inline HOST_WIDE_INT tree_to_shwi(const_tree t)
426 {
427 	gcc_assert(tree_fits_shwi_p(t));
428 	return TREE_INT_CST_LOW(t);
429 }
430 
431 static inline unsigned HOST_WIDE_INT tree_to_uhwi(const_tree t)
432 {
433 	gcc_assert(tree_fits_uhwi_p(t));
434 	return TREE_INT_CST_LOW(t);
435 }
436 
437 static inline const char *get_tree_code_name(enum tree_code code)
438 {
439 	gcc_assert(code < MAX_TREE_CODES);
440 	return tree_code_name[code];
441 }
442 
443 #define ipa_remove_stmt_references(cnode, stmt)
444 
445 typedef union gimple_statement_d gasm;
446 typedef union gimple_statement_d gassign;
447 typedef union gimple_statement_d gcall;
448 typedef union gimple_statement_d gcond;
449 typedef union gimple_statement_d gdebug;
450 typedef union gimple_statement_d ggoto;
451 typedef union gimple_statement_d gphi;
452 typedef union gimple_statement_d greturn;
453 
454 static inline gasm *as_a_gasm(gimple stmt)
455 {
456 	return stmt;
457 }
458 
459 static inline const gasm *as_a_const_gasm(const_gimple stmt)
460 {
461 	return stmt;
462 }
463 
464 static inline gassign *as_a_gassign(gimple stmt)
465 {
466 	return stmt;
467 }
468 
469 static inline const gassign *as_a_const_gassign(const_gimple stmt)
470 {
471 	return stmt;
472 }
473 
474 static inline gcall *as_a_gcall(gimple stmt)
475 {
476 	return stmt;
477 }
478 
479 static inline const gcall *as_a_const_gcall(const_gimple stmt)
480 {
481 	return stmt;
482 }
483 
484 static inline gcond *as_a_gcond(gimple stmt)
485 {
486 	return stmt;
487 }
488 
489 static inline const gcond *as_a_const_gcond(const_gimple stmt)
490 {
491 	return stmt;
492 }
493 
494 static inline gdebug *as_a_gdebug(gimple stmt)
495 {
496 	return stmt;
497 }
498 
499 static inline const gdebug *as_a_const_gdebug(const_gimple stmt)
500 {
501 	return stmt;
502 }
503 
504 static inline ggoto *as_a_ggoto(gimple stmt)
505 {
506 	return stmt;
507 }
508 
509 static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
510 {
511 	return stmt;
512 }
513 
514 static inline gphi *as_a_gphi(gimple stmt)
515 {
516 	return stmt;
517 }
518 
519 static inline const gphi *as_a_const_gphi(const_gimple stmt)
520 {
521 	return stmt;
522 }
523 
524 static inline greturn *as_a_greturn(gimple stmt)
525 {
526 	return stmt;
527 }
528 
529 static inline const greturn *as_a_const_greturn(const_gimple stmt)
530 {
531 	return stmt;
532 }
533 #endif
534 
535 #if BUILDING_GCC_VERSION == 4008
536 #define NODE_SYMBOL(node) (&(node)->symbol)
537 #define NODE_DECL(node) (node)->symbol.decl
538 #endif
539 
540 #if BUILDING_GCC_VERSION >= 4008
541 #define add_referenced_var(var)
542 #define mark_sym_for_renaming(var)
543 #define varpool_mark_needed_node(node)
544 #define create_var_ann(var)
545 #define TODO_dump_func 0
546 #define TODO_dump_cgraph 0
547 #endif
548 
549 #if BUILDING_GCC_VERSION <= 4009
550 #define TODO_verify_il 0
551 #define AVAIL_INTERPOSABLE AVAIL_OVERWRITABLE
552 
553 #define section_name_prefix LTO_SECTION_NAME_PREFIX
554 #define fatal_error(loc, gmsgid, ...) fatal_error((gmsgid), __VA_ARGS__)
555 
556 rtx emit_move_insn(rtx x, rtx y);
557 
558 typedef struct rtx_def rtx_insn;
559 
560 static inline const char *get_decl_section_name(const_tree decl)
561 {
562 	if (DECL_SECTION_NAME(decl) == NULL_TREE)
563 		return NULL;
564 
565 	return TREE_STRING_POINTER(DECL_SECTION_NAME(decl));
566 }
567 
568 static inline void set_decl_section_name(tree node, const char *value)
569 {
570 	if (value)
571 		DECL_SECTION_NAME(node) = build_string(strlen(value) + 1, value);
572 	else
573 		DECL_SECTION_NAME(node) = NULL;
574 }
575 #endif
576 
577 #if BUILDING_GCC_VERSION == 4009
578 typedef struct gimple_statement_asm gasm;
579 typedef struct gimple_statement_base gassign;
580 typedef struct gimple_statement_call gcall;
581 typedef struct gimple_statement_base gcond;
582 typedef struct gimple_statement_base gdebug;
583 typedef struct gimple_statement_base ggoto;
584 typedef struct gimple_statement_phi gphi;
585 typedef struct gimple_statement_base greturn;
586 
587 static inline gasm *as_a_gasm(gimple stmt)
588 {
589 	return as_a<gasm>(stmt);
590 }
591 
592 static inline const gasm *as_a_const_gasm(const_gimple stmt)
593 {
594 	return as_a<const gasm>(stmt);
595 }
596 
597 static inline gassign *as_a_gassign(gimple stmt)
598 {
599 	return stmt;
600 }
601 
602 static inline const gassign *as_a_const_gassign(const_gimple stmt)
603 {
604 	return stmt;
605 }
606 
607 static inline gcall *as_a_gcall(gimple stmt)
608 {
609 	return as_a<gcall>(stmt);
610 }
611 
612 static inline const gcall *as_a_const_gcall(const_gimple stmt)
613 {
614 	return as_a<const gcall>(stmt);
615 }
616 
617 static inline gcond *as_a_gcond(gimple stmt)
618 {
619 	return stmt;
620 }
621 
622 static inline const gcond *as_a_const_gcond(const_gimple stmt)
623 {
624 	return stmt;
625 }
626 
627 static inline gdebug *as_a_gdebug(gimple stmt)
628 {
629 	return stmt;
630 }
631 
632 static inline const gdebug *as_a_const_gdebug(const_gimple stmt)
633 {
634 	return stmt;
635 }
636 
637 static inline ggoto *as_a_ggoto(gimple stmt)
638 {
639 	return stmt;
640 }
641 
642 static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
643 {
644 	return stmt;
645 }
646 
647 static inline gphi *as_a_gphi(gimple stmt)
648 {
649 	return as_a<gphi>(stmt);
650 }
651 
652 static inline const gphi *as_a_const_gphi(const_gimple stmt)
653 {
654 	return as_a<const gphi>(stmt);
655 }
656 
657 static inline greturn *as_a_greturn(gimple stmt)
658 {
659 	return stmt;
660 }
661 
662 static inline const greturn *as_a_const_greturn(const_gimple stmt)
663 {
664 	return stmt;
665 }
666 #endif
667 
668 #if BUILDING_GCC_VERSION >= 4009
669 #define TODO_ggc_collect 0
670 #define NODE_SYMBOL(node) (node)
671 #define NODE_DECL(node) (node)->decl
672 #define cgraph_node_name(node) (node)->name()
673 #define NODE_IMPLICIT_ALIAS(node) (node)->cpp_implicit_alias
674 
675 static inline opt_pass *get_pass_for_id(int id)
676 {
677 	return g->get_passes()->get_pass_for_id(id);
678 }
679 #endif
680 
681 #if BUILDING_GCC_VERSION >= 5000 && BUILDING_GCC_VERSION < 6000
682 /* gimple related */
683 template <>
684 template <>
685 inline bool is_a_helper<const gassign *>::test(const_gimple gs)
686 {
687 	return gs->code == GIMPLE_ASSIGN;
688 }
689 #endif
690 
691 #if BUILDING_GCC_VERSION >= 5000
692 #define TODO_verify_ssa TODO_verify_il
693 #define TODO_verify_flow TODO_verify_il
694 #define TODO_verify_stmts TODO_verify_il
695 #define TODO_verify_rtl_sharing TODO_verify_il
696 
697 #define INSN_DELETED_P(insn) (insn)->deleted()
698 
699 static inline const char *get_decl_section_name(const_tree decl)
700 {
701 	return DECL_SECTION_NAME(decl);
702 }
703 
704 /* symtab/cgraph related */
705 #define debug_cgraph_node(node) (node)->debug()
706 #define cgraph_get_node(decl) cgraph_node::get(decl)
707 #define cgraph_get_create_node(decl) cgraph_node::get_create(decl)
708 #define cgraph_create_node(decl) cgraph_node::create(decl)
709 #define cgraph_n_nodes symtab->cgraph_count
710 #define cgraph_max_uid symtab->cgraph_max_uid
711 #define varpool_get_node(decl) varpool_node::get(decl)
712 #define dump_varpool_node(file, node) (node)->dump(file)
713 
714 #define cgraph_create_edge(caller, callee, call_stmt, count, freq, nest) \
715 	(caller)->create_edge((callee), (call_stmt), (count), (freq))
716 #define cgraph_create_edge_including_clones(caller, callee, old_call_stmt, call_stmt, count, freq, nest, reason) \
717 	(caller)->create_edge_including_clones((callee), (old_call_stmt), (call_stmt), (count), (freq), (reason))
718 
719 typedef struct cgraph_node *cgraph_node_ptr;
720 typedef struct cgraph_edge *cgraph_edge_p;
721 typedef struct varpool_node *varpool_node_ptr;
722 
723 static inline void change_decl_assembler_name(tree decl, tree name)
724 {
725 	symtab->change_decl_assembler_name(decl, name);
726 }
727 
728 static inline void varpool_finalize_decl(tree decl)
729 {
730 	varpool_node::finalize_decl(decl);
731 }
732 
733 static inline void varpool_add_new_variable(tree decl)
734 {
735 	varpool_node::add(decl);
736 }
737 
738 static inline unsigned int rebuild_cgraph_edges(void)
739 {
740 	return cgraph_edge::rebuild_edges();
741 }
742 
743 static inline cgraph_node_ptr cgraph_function_node(cgraph_node_ptr node, enum availability *availability)
744 {
745 	return node->function_symbol(availability);
746 }
747 
748 static inline cgraph_node_ptr cgraph_function_or_thunk_node(cgraph_node_ptr node, enum availability *availability = NULL)
749 {
750 	return node->ultimate_alias_target(availability);
751 }
752 
753 static inline bool cgraph_only_called_directly_p(cgraph_node_ptr node)
754 {
755 	return node->only_called_directly_p();
756 }
757 
758 static inline enum availability cgraph_function_body_availability(cgraph_node_ptr node)
759 {
760 	return node->get_availability();
761 }
762 
763 static inline cgraph_node_ptr cgraph_alias_target(cgraph_node_ptr node)
764 {
765 	return node->get_alias_target();
766 }
767 
768 static inline bool cgraph_for_node_and_aliases(cgraph_node_ptr node, bool (*callback)(cgraph_node_ptr, void *), void *data, bool include_overwritable)
769 {
770 	return node->call_for_symbol_thunks_and_aliases(callback, data, include_overwritable);
771 }
772 
773 static inline struct cgraph_node_hook_list *cgraph_add_function_insertion_hook(cgraph_node_hook hook, void *data)
774 {
775 	return symtab->add_cgraph_insertion_hook(hook, data);
776 }
777 
778 static inline void cgraph_remove_function_insertion_hook(struct cgraph_node_hook_list *entry)
779 {
780 	symtab->remove_cgraph_insertion_hook(entry);
781 }
782 
783 static inline struct cgraph_node_hook_list *cgraph_add_node_removal_hook(cgraph_node_hook hook, void *data)
784 {
785 	return symtab->add_cgraph_removal_hook(hook, data);
786 }
787 
788 static inline void cgraph_remove_node_removal_hook(struct cgraph_node_hook_list *entry)
789 {
790 	symtab->remove_cgraph_removal_hook(entry);
791 }
792 
793 static inline struct cgraph_2node_hook_list *cgraph_add_node_duplication_hook(cgraph_2node_hook hook, void *data)
794 {
795 	return symtab->add_cgraph_duplication_hook(hook, data);
796 }
797 
798 static inline void cgraph_remove_node_duplication_hook(struct cgraph_2node_hook_list *entry)
799 {
800 	symtab->remove_cgraph_duplication_hook(entry);
801 }
802 
803 static inline void cgraph_call_node_duplication_hooks(cgraph_node_ptr node, cgraph_node_ptr node2)
804 {
805 	symtab->call_cgraph_duplication_hooks(node, node2);
806 }
807 
808 static inline void cgraph_call_edge_duplication_hooks(cgraph_edge *cs1, cgraph_edge *cs2)
809 {
810 	symtab->call_edge_duplication_hooks(cs1, cs2);
811 }
812 
813 #if BUILDING_GCC_VERSION >= 6000
814 typedef gimple *gimple_ptr;
815 typedef const gimple *const_gimple_ptr;
816 #define gimple gimple_ptr
817 #define const_gimple const_gimple_ptr
818 #undef CONST_CAST_GIMPLE
819 #define CONST_CAST_GIMPLE(X) CONST_CAST(gimple, (X))
820 #endif
821 
822 /* gimple related */
823 static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree lhs, tree op1, tree op2 MEM_STAT_DECL)
824 {
825 	return gimple_build_assign(lhs, subcode, op1, op2 PASS_MEM_STAT);
826 }
827 
828 template <>
829 template <>
830 inline bool is_a_helper<const ggoto *>::test(const_gimple gs)
831 {
832 	return gs->code == GIMPLE_GOTO;
833 }
834 
835 template <>
836 template <>
837 inline bool is_a_helper<const greturn *>::test(const_gimple gs)
838 {
839 	return gs->code == GIMPLE_RETURN;
840 }
841 
842 static inline gasm *as_a_gasm(gimple stmt)
843 {
844 	return as_a<gasm *>(stmt);
845 }
846 
847 static inline const gasm *as_a_const_gasm(const_gimple stmt)
848 {
849 	return as_a<const gasm *>(stmt);
850 }
851 
852 static inline gassign *as_a_gassign(gimple stmt)
853 {
854 	return as_a<gassign *>(stmt);
855 }
856 
857 static inline const gassign *as_a_const_gassign(const_gimple stmt)
858 {
859 	return as_a<const gassign *>(stmt);
860 }
861 
862 static inline gcall *as_a_gcall(gimple stmt)
863 {
864 	return as_a<gcall *>(stmt);
865 }
866 
867 static inline const gcall *as_a_const_gcall(const_gimple stmt)
868 {
869 	return as_a<const gcall *>(stmt);
870 }
871 
872 static inline ggoto *as_a_ggoto(gimple stmt)
873 {
874 	return as_a<ggoto *>(stmt);
875 }
876 
877 static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
878 {
879 	return as_a<const ggoto *>(stmt);
880 }
881 
882 static inline gphi *as_a_gphi(gimple stmt)
883 {
884 	return as_a<gphi *>(stmt);
885 }
886 
887 static inline const gphi *as_a_const_gphi(const_gimple stmt)
888 {
889 	return as_a<const gphi *>(stmt);
890 }
891 
892 static inline greturn *as_a_greturn(gimple stmt)
893 {
894 	return as_a<greturn *>(stmt);
895 }
896 
897 static inline const greturn *as_a_const_greturn(const_gimple stmt)
898 {
899 	return as_a<const greturn *>(stmt);
900 }
901 
902 /* IPA/LTO related */
903 #define ipa_ref_list_referring_iterate(L, I, P)	\
904 	(L)->referring.iterate((I), &(P))
905 #define ipa_ref_list_reference_iterate(L, I, P)	\
906 	(L)->reference.iterate((I), &(P))
907 
908 static inline cgraph_node_ptr ipa_ref_referring_node(struct ipa_ref *ref)
909 {
910 	return dyn_cast<cgraph_node_ptr>(ref->referring);
911 }
912 
913 static inline void ipa_remove_stmt_references(symtab_node *referring_node, gimple stmt)
914 {
915 	referring_node->remove_stmt_references(stmt);
916 }
917 #endif
918 
919 #if BUILDING_GCC_VERSION < 6000
920 #define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning)	\
921 	get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, pvolatilep, keep_aligning)
922 #define gen_rtx_set(ARG0, ARG1) gen_rtx_SET(VOIDmode, (ARG0), (ARG1))
923 #endif
924 
925 #if BUILDING_GCC_VERSION >= 6000
926 #define gen_rtx_set(ARG0, ARG1) gen_rtx_SET((ARG0), (ARG1))
927 #endif
928 
929 #ifdef __cplusplus
930 static inline void debug_tree(const_tree t)
931 {
932 	debug_tree(CONST_CAST_TREE(t));
933 }
934 
935 static inline void debug_gimple_stmt(const_gimple s)
936 {
937 	debug_gimple_stmt(CONST_CAST_GIMPLE(s));
938 }
939 #else
940 #define debug_tree(t) debug_tree(CONST_CAST_TREE(t))
941 #define debug_gimple_stmt(s) debug_gimple_stmt(CONST_CAST_GIMPLE(s))
942 #endif
943 
944 #if BUILDING_GCC_VERSION >= 7000
945 #define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning)	\
946 	get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep)
947 #endif
948 
949 #endif
950