xref: /dragonfly/contrib/gcc-4.7/gcc/gimple.h (revision 95d28233)
1 /* Gimple IR definitions.
2 
3    Copyright 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
4    Contributed by Aldy Hernandez <aldyh@redhat.com>
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_H
23 #define GCC_GIMPLE_H
24 
25 #include "pointer-set.h"
26 #include "vec.h"
27 #include "vecprim.h"
28 #include "vecir.h"
29 #include "ggc.h"
30 #include "basic-block.h"
31 #include "tree-ssa-operands.h"
32 #include "tree-ssa-alias.h"
33 #include "internal-fn.h"
34 
35 struct gimple_seq_node_d;
36 typedef struct gimple_seq_node_d *gimple_seq_node;
37 typedef const struct gimple_seq_node_d *const_gimple_seq_node;
38 
39 /* For each block, the PHI nodes that need to be rewritten are stored into
40    these vectors.  */
41 typedef VEC(gimple, heap) *gimple_vec;
42 DEF_VEC_P (gimple_vec);
43 DEF_VEC_ALLOC_P (gimple_vec, heap);
44 
45 enum gimple_code {
46 #define DEFGSCODE(SYM, STRING, STRUCT)	SYM,
47 #include "gimple.def"
48 #undef DEFGSCODE
49     LAST_AND_UNUSED_GIMPLE_CODE
50 };
51 
52 extern const char *const gimple_code_name[];
53 extern const unsigned char gimple_rhs_class_table[];
54 
55 /* Error out if a gimple tuple is addressed incorrectly.  */
56 #if defined ENABLE_GIMPLE_CHECKING
57 #define gcc_gimple_checking_assert(EXPR) gcc_assert (EXPR)
58 extern void gimple_check_failed (const_gimple, const char *, int,          \
59                                  const char *, enum gimple_code,           \
60 				 enum tree_code) ATTRIBUTE_NORETURN;
61 
62 #define GIMPLE_CHECK(GS, CODE)						\
63   do {									\
64     const_gimple __gs = (GS);						\
65     if (gimple_code (__gs) != (CODE))					\
66       gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__,	\
67 	  		   (CODE), ERROR_MARK);				\
68   } while (0)
69 #else  /* not ENABLE_GIMPLE_CHECKING  */
70 #define gcc_gimple_checking_assert(EXPR) ((void)(0 && (EXPR)))
71 #define GIMPLE_CHECK(GS, CODE)			(void)0
72 #endif
73 
74 /* Class of GIMPLE expressions suitable for the RHS of assignments.  See
75    get_gimple_rhs_class.  */
76 enum gimple_rhs_class
77 {
78   GIMPLE_INVALID_RHS,	/* The expression cannot be used on the RHS.  */
79   GIMPLE_TERNARY_RHS,	/* The expression is a ternary operation.  */
80   GIMPLE_BINARY_RHS,	/* The expression is a binary operation.  */
81   GIMPLE_UNARY_RHS,	/* The expression is a unary operation.  */
82   GIMPLE_SINGLE_RHS	/* The expression is a single object (an SSA
83 			   name, a _DECL, a _REF, etc.  */
84 };
85 
86 /* Specific flags for individual GIMPLE statements.  These flags are
87    always stored in gimple_statement_base.subcode and they may only be
88    defined for statement codes that do not use sub-codes.
89 
90    Values for the masks can overlap as long as the overlapping values
91    are never used in the same statement class.
92 
93    The maximum mask value that can be defined is 1 << 15 (i.e., each
94    statement code can hold up to 16 bitflags).
95 
96    Keep this list sorted.  */
97 enum gf_mask {
98     GF_ASM_INPUT		= 1 << 0,
99     GF_ASM_VOLATILE		= 1 << 1,
100     GF_CALL_FROM_THUNK		= 1 << 0,
101     GF_CALL_RETURN_SLOT_OPT	= 1 << 1,
102     GF_CALL_TAILCALL		= 1 << 2,
103     GF_CALL_VA_ARG_PACK		= 1 << 3,
104     GF_CALL_NOTHROW		= 1 << 4,
105     GF_CALL_ALLOCA_FOR_VAR	= 1 << 5,
106     GF_CALL_INTERNAL		= 1 << 6,
107     GF_OMP_PARALLEL_COMBINED	= 1 << 0,
108 
109     /* True on an GIMPLE_OMP_RETURN statement if the return does not require
110        a thread synchronization via some sort of barrier.  The exact barrier
111        that would otherwise be emitted is dependent on the OMP statement with
112        which this return is associated.  */
113     GF_OMP_RETURN_NOWAIT	= 1 << 0,
114 
115     GF_OMP_SECTION_LAST		= 1 << 0,
116     GF_OMP_ATOMIC_NEED_VALUE	= 1 << 0,
117     GF_PREDICT_TAKEN		= 1 << 15
118 };
119 
120 /* Currently, there are only two types of gimple debug stmt.  Others are
121    envisioned, for example, to enable the generation of is_stmt notes
122    in line number information, to mark sequence points, etc.  This
123    subcode is to be used to tell them apart.  */
124 enum gimple_debug_subcode {
125   GIMPLE_DEBUG_BIND = 0,
126   GIMPLE_DEBUG_SOURCE_BIND = 1
127 };
128 
129 /* Masks for selecting a pass local flag (PLF) to work on.  These
130    masks are used by gimple_set_plf and gimple_plf.  */
131 enum plf_mask {
132     GF_PLF_1	= 1 << 0,
133     GF_PLF_2	= 1 << 1
134 };
135 
136 /* A node in a gimple_seq_d.  */
137 struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) gimple_seq_node_d {
138   gimple stmt;
139   struct gimple_seq_node_d *prev;
140   struct gimple_seq_node_d *next;
141 };
142 
143 /* A double-linked sequence of gimple statements.  */
144 struct GTY ((chain_next ("%h.next_free"))) gimple_seq_d {
145   /* First and last statements in the sequence.  */
146   gimple_seq_node first;
147   gimple_seq_node last;
148 
149   /* Sequences are created/destroyed frequently.  To minimize
150      allocation activity, deallocated sequences are kept in a pool of
151      available sequences.  This is the pointer to the next free
152      sequence in the pool.  */
153   gimple_seq next_free;
154 };
155 
156 
157 /* Return the first node in GIMPLE sequence S.  */
158 
159 static inline gimple_seq_node
gimple_seq_first(const_gimple_seq s)160 gimple_seq_first (const_gimple_seq s)
161 {
162   return s ? s->first : NULL;
163 }
164 
165 
166 /* Return the first statement in GIMPLE sequence S.  */
167 
168 static inline gimple
gimple_seq_first_stmt(const_gimple_seq s)169 gimple_seq_first_stmt (const_gimple_seq s)
170 {
171   gimple_seq_node n = gimple_seq_first (s);
172   return (n) ? n->stmt : NULL;
173 }
174 
175 
176 /* Return the last node in GIMPLE sequence S.  */
177 
178 static inline gimple_seq_node
gimple_seq_last(const_gimple_seq s)179 gimple_seq_last (const_gimple_seq s)
180 {
181   return s ? s->last : NULL;
182 }
183 
184 
185 /* Return the last statement in GIMPLE sequence S.  */
186 
187 static inline gimple
gimple_seq_last_stmt(const_gimple_seq s)188 gimple_seq_last_stmt (const_gimple_seq s)
189 {
190   gimple_seq_node n = gimple_seq_last (s);
191   return (n) ? n->stmt : NULL;
192 }
193 
194 
195 /* Set the last node in GIMPLE sequence S to LAST.  */
196 
197 static inline void
gimple_seq_set_last(gimple_seq s,gimple_seq_node last)198 gimple_seq_set_last (gimple_seq s, gimple_seq_node last)
199 {
200   s->last = last;
201 }
202 
203 
204 /* Set the first node in GIMPLE sequence S to FIRST.  */
205 
206 static inline void
gimple_seq_set_first(gimple_seq s,gimple_seq_node first)207 gimple_seq_set_first (gimple_seq s, gimple_seq_node first)
208 {
209   s->first = first;
210 }
211 
212 
213 /* Return true if GIMPLE sequence S is empty.  */
214 
215 static inline bool
gimple_seq_empty_p(const_gimple_seq s)216 gimple_seq_empty_p (const_gimple_seq s)
217 {
218   return s == NULL || s->first == NULL;
219 }
220 
221 
222 void gimple_seq_add_stmt (gimple_seq *, gimple);
223 
224 /* Link gimple statement GS to the end of the sequence *SEQ_P.  If
225    *SEQ_P is NULL, a new sequence is allocated.  This function is
226    similar to gimple_seq_add_stmt, but does not scan the operands.
227    During gimplification, we need to manipulate statement sequences
228    before the def/use vectors have been constructed.  */
229 void gimple_seq_add_stmt_without_update (gimple_seq *, gimple);
230 
231 /* Allocate a new sequence and initialize its first element with STMT.  */
232 
233 static inline gimple_seq
gimple_seq_alloc_with_stmt(gimple stmt)234 gimple_seq_alloc_with_stmt (gimple stmt)
235 {
236   gimple_seq seq = NULL;
237   gimple_seq_add_stmt (&seq, stmt);
238   return seq;
239 }
240 
241 
242 /* Returns the sequence of statements in BB.  */
243 
244 static inline gimple_seq
bb_seq(const_basic_block bb)245 bb_seq (const_basic_block bb)
246 {
247   return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL;
248 }
249 
250 
251 /* Sets the sequence of statements in BB to SEQ.  */
252 
253 static inline void
set_bb_seq(basic_block bb,gimple_seq seq)254 set_bb_seq (basic_block bb, gimple_seq seq)
255 {
256   gcc_checking_assert (!(bb->flags & BB_RTL));
257   bb->il.gimple->seq = seq;
258 }
259 
260 /* Iterator object for GIMPLE statement sequences.  */
261 
262 typedef struct
263 {
264   /* Sequence node holding the current statement.  */
265   gimple_seq_node ptr;
266 
267   /* Sequence and basic block holding the statement.  These fields
268      are necessary to handle edge cases such as when statement is
269      added to an empty basic block or when the last statement of a
270      block/sequence is removed.  */
271   gimple_seq seq;
272   basic_block bb;
273 } gimple_stmt_iterator;
274 
275 
276 /* Data structure definitions for GIMPLE tuples.  NOTE: word markers
277    are for 64 bit hosts.  */
278 
279 struct GTY(()) gimple_statement_base {
280   /* [ WORD 1 ]
281      Main identifying code for a tuple.  */
282   ENUM_BITFIELD(gimple_code) code : 8;
283 
284   /* Nonzero if a warning should not be emitted on this tuple.  */
285   unsigned int no_warning	: 1;
286 
287   /* Nonzero if this tuple has been visited.  Passes are responsible
288      for clearing this bit before using it.  */
289   unsigned int visited		: 1;
290 
291   /* Nonzero if this tuple represents a non-temporal move.  */
292   unsigned int nontemporal_move	: 1;
293 
294   /* Pass local flags.  These flags are free for any pass to use as
295      they see fit.  Passes should not assume that these flags contain
296      any useful value when the pass starts.  Any initial state that
297      the pass requires should be set on entry to the pass.  See
298      gimple_set_plf and gimple_plf for usage.  */
299   unsigned int plf		: 2;
300 
301   /* Nonzero if this statement has been modified and needs to have its
302      operands rescanned.  */
303   unsigned modified 		: 1;
304 
305   /* Nonzero if this statement contains volatile operands.  */
306   unsigned has_volatile_ops 	: 1;
307 
308   /* Padding to get subcode to 16 bit alignment.  */
309   unsigned pad			: 1;
310 
311   /* The SUBCODE field can be used for tuple-specific flags for tuples
312      that do not require subcodes.  Note that SUBCODE should be at
313      least as wide as tree codes, as several tuples store tree codes
314      in there.  */
315   unsigned int subcode		: 16;
316 
317   /* UID of this statement.  This is used by passes that want to
318      assign IDs to statements.  It must be assigned and used by each
319      pass.  By default it should be assumed to contain garbage.  */
320   unsigned uid;
321 
322   /* [ WORD 2 ]
323      Locus information for debug info.  */
324   location_t location;
325 
326   /* Number of operands in this tuple.  */
327   unsigned num_ops;
328 
329   /* [ WORD 3 ]
330      Basic block holding this statement.  */
331   struct basic_block_def *bb;
332 
333   /* [ WORD 4 ]
334      Lexical block holding this statement.  */
335   tree block;
336 };
337 
338 
339 /* Base structure for tuples with operands.  */
340 
341 struct GTY(()) gimple_statement_with_ops_base
342 {
343   /* [ WORD 1-4 ]  */
344   struct gimple_statement_base gsbase;
345 
346   /* [ WORD 5-6 ]
347      SSA operand vectors.  NOTE: It should be possible to
348      amalgamate these vectors with the operand vector OP.  However,
349      the SSA operand vectors are organized differently and contain
350      more information (like immediate use chaining).  */
351   struct def_optype_d GTY((skip (""))) *def_ops;
352   struct use_optype_d GTY((skip (""))) *use_ops;
353 };
354 
355 
356 /* Statements that take register operands.  */
357 
358 struct GTY(()) gimple_statement_with_ops
359 {
360   /* [ WORD 1-6 ]  */
361   struct gimple_statement_with_ops_base opbase;
362 
363   /* [ WORD 7 ]
364      Operand vector.  NOTE!  This must always be the last field
365      of this structure.  In particular, this means that this
366      structure cannot be embedded inside another one.  */
367   tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
368 };
369 
370 
371 /* Base for statements that take both memory and register operands.  */
372 
373 struct GTY(()) gimple_statement_with_memory_ops_base
374 {
375   /* [ WORD 1-6 ]  */
376   struct gimple_statement_with_ops_base opbase;
377 
378   /* [ WORD 7-8 ]
379      Virtual operands for this statement.  The GC will pick them
380      up via the ssa_names array.  */
381   tree GTY((skip (""))) vdef;
382   tree GTY((skip (""))) vuse;
383 };
384 
385 
386 /* Statements that take both memory and register operands.  */
387 
388 struct GTY(()) gimple_statement_with_memory_ops
389 {
390   /* [ WORD 1-8 ]  */
391   struct gimple_statement_with_memory_ops_base membase;
392 
393   /* [ WORD 9 ]
394      Operand vector.  NOTE!  This must always be the last field
395      of this structure.  In particular, this means that this
396      structure cannot be embedded inside another one.  */
397   tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
398 };
399 
400 
401 /* Call statements that take both memory and register operands.  */
402 
403 struct GTY(()) gimple_statement_call
404 {
405   /* [ WORD 1-8 ]  */
406   struct gimple_statement_with_memory_ops_base membase;
407 
408   /* [ WORD 9-12 ]  */
409   struct pt_solution call_used;
410   struct pt_solution call_clobbered;
411 
412   /* [ WORD 13 ]  */
413   union GTY ((desc ("%1.membase.opbase.gsbase.subcode & GF_CALL_INTERNAL"))) {
414     tree GTY ((tag ("0"))) fntype;
415     enum internal_fn GTY ((tag ("GF_CALL_INTERNAL"))) internal_fn;
416   } u;
417 
418   /* [ WORD 14 ]
419      Operand vector.  NOTE!  This must always be the last field
420      of this structure.  In particular, this means that this
421      structure cannot be embedded inside another one.  */
422   tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
423 };
424 
425 
426 /* OpenMP statements (#pragma omp).  */
427 
428 struct GTY(()) gimple_statement_omp {
429   /* [ WORD 1-4 ]  */
430   struct gimple_statement_base gsbase;
431 
432   /* [ WORD 5 ]  */
433   gimple_seq body;
434 };
435 
436 
437 /* GIMPLE_BIND */
438 
439 struct GTY(()) gimple_statement_bind {
440   /* [ WORD 1-4 ]  */
441   struct gimple_statement_base gsbase;
442 
443   /* [ WORD 5 ]
444      Variables declared in this scope.  */
445   tree vars;
446 
447   /* [ WORD 6 ]
448      This is different than the BLOCK field in gimple_statement_base,
449      which is analogous to TREE_BLOCK (i.e., the lexical block holding
450      this statement).  This field is the equivalent of BIND_EXPR_BLOCK
451      in tree land (i.e., the lexical scope defined by this bind).  See
452      gimple-low.c.  */
453   tree block;
454 
455   /* [ WORD 7 ]  */
456   gimple_seq body;
457 };
458 
459 
460 /* GIMPLE_CATCH */
461 
462 struct GTY(()) gimple_statement_catch {
463   /* [ WORD 1-4 ]  */
464   struct gimple_statement_base gsbase;
465 
466   /* [ WORD 5 ]  */
467   tree types;
468 
469   /* [ WORD 6 ]  */
470   gimple_seq handler;
471 };
472 
473 
474 /* GIMPLE_EH_FILTER */
475 
476 struct GTY(()) gimple_statement_eh_filter {
477   /* [ WORD 1-4 ]  */
478   struct gimple_statement_base gsbase;
479 
480   /* [ WORD 5 ]
481      Filter types.  */
482   tree types;
483 
484   /* [ WORD 6 ]
485      Failure actions.  */
486   gimple_seq failure;
487 };
488 
489 /* GIMPLE_EH_ELSE */
490 
491 struct GTY(()) gimple_statement_eh_else {
492   /* [ WORD 1-4 ]  */
493   struct gimple_statement_base gsbase;
494 
495   /* [ WORD 5,6 ] */
496   gimple_seq n_body, e_body;
497 };
498 
499 /* GIMPLE_EH_MUST_NOT_THROW */
500 
501 struct GTY(()) gimple_statement_eh_mnt {
502   /* [ WORD 1-4 ]  */
503   struct gimple_statement_base gsbase;
504 
505   /* [ WORD 5 ] Abort function decl.  */
506   tree fndecl;
507 };
508 
509 /* GIMPLE_PHI */
510 
511 struct GTY(()) gimple_statement_phi {
512   /* [ WORD 1-4 ]  */
513   struct gimple_statement_base gsbase;
514 
515   /* [ WORD 5 ]  */
516   unsigned capacity;
517   unsigned nargs;
518 
519   /* [ WORD 6 ]  */
520   tree result;
521 
522   /* [ WORD 7 ]  */
523   struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
524 };
525 
526 
527 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
528 
529 struct GTY(()) gimple_statement_eh_ctrl
530 {
531   /* [ WORD 1-4 ]  */
532   struct gimple_statement_base gsbase;
533 
534   /* [ WORD 5 ]
535      Exception region number.  */
536   int region;
537 };
538 
539 
540 /* GIMPLE_TRY */
541 
542 struct GTY(()) gimple_statement_try {
543   /* [ WORD 1-4 ]  */
544   struct gimple_statement_base gsbase;
545 
546   /* [ WORD 5 ]
547      Expression to evaluate.  */
548   gimple_seq eval;
549 
550   /* [ WORD 6 ]
551      Cleanup expression.  */
552   gimple_seq cleanup;
553 };
554 
555 /* Kind of GIMPLE_TRY statements.  */
556 enum gimple_try_flags
557 {
558   /* A try/catch.  */
559   GIMPLE_TRY_CATCH = 1 << 0,
560 
561   /* A try/finally.  */
562   GIMPLE_TRY_FINALLY = 1 << 1,
563   GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
564 
565   /* Analogous to TRY_CATCH_IS_CLEANUP.  */
566   GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
567 };
568 
569 /* GIMPLE_WITH_CLEANUP_EXPR */
570 
571 struct GTY(()) gimple_statement_wce {
572   /* [ WORD 1-4 ]  */
573   struct gimple_statement_base gsbase;
574 
575   /* Subcode: CLEANUP_EH_ONLY.  True if the cleanup should only be
576 	      executed if an exception is thrown, not on normal exit of its
577 	      scope.  This flag is analogous to the CLEANUP_EH_ONLY flag
578 	      in TARGET_EXPRs.  */
579 
580   /* [ WORD 5 ]
581      Cleanup expression.  */
582   gimple_seq cleanup;
583 };
584 
585 
586 /* GIMPLE_ASM  */
587 
588 struct GTY(()) gimple_statement_asm
589 {
590   /* [ WORD 1-8 ]  */
591   struct gimple_statement_with_memory_ops_base membase;
592 
593   /* [ WORD 9 ]
594      __asm__ statement.  */
595   const char *string;
596 
597   /* [ WORD 10 ]
598        Number of inputs, outputs, clobbers, labels.  */
599   unsigned char ni;
600   unsigned char no;
601   unsigned char nc;
602   unsigned char nl;
603 
604   /* [ WORD 11 ]
605      Operand vector.  NOTE!  This must always be the last field
606      of this structure.  In particular, this means that this
607      structure cannot be embedded inside another one.  */
608   tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
609 };
610 
611 /* GIMPLE_OMP_CRITICAL */
612 
613 struct GTY(()) gimple_statement_omp_critical {
614   /* [ WORD 1-5 ]  */
615   struct gimple_statement_omp omp;
616 
617   /* [ WORD 6 ]
618      Critical section name.  */
619   tree name;
620 };
621 
622 
623 struct GTY(()) gimple_omp_for_iter {
624   /* Condition code.  */
625   enum tree_code cond;
626 
627   /* Index variable.  */
628   tree index;
629 
630   /* Initial value.  */
631   tree initial;
632 
633   /* Final value.  */
634   tree final;
635 
636   /* Increment.  */
637   tree incr;
638 };
639 
640 /* GIMPLE_OMP_FOR */
641 
642 struct GTY(()) gimple_statement_omp_for {
643   /* [ WORD 1-5 ]  */
644   struct gimple_statement_omp omp;
645 
646   /* [ WORD 6 ]  */
647   tree clauses;
648 
649   /* [ WORD 7 ]
650      Number of elements in iter array.  */
651   size_t collapse;
652 
653   /* [ WORD 8 ]  */
654   struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
655 
656   /* [ WORD 9 ]
657      Pre-body evaluated before the loop body begins.  */
658   gimple_seq pre_body;
659 };
660 
661 
662 /* GIMPLE_OMP_PARALLEL */
663 
664 struct GTY(()) gimple_statement_omp_parallel {
665   /* [ WORD 1-5 ]  */
666   struct gimple_statement_omp omp;
667 
668   /* [ WORD 6 ]
669      Clauses.  */
670   tree clauses;
671 
672   /* [ WORD 7 ]
673      Child function holding the body of the parallel region.  */
674   tree child_fn;
675 
676   /* [ WORD 8 ]
677      Shared data argument.  */
678   tree data_arg;
679 };
680 
681 
682 /* GIMPLE_OMP_TASK */
683 
684 struct GTY(()) gimple_statement_omp_task {
685   /* [ WORD 1-8 ]  */
686   struct gimple_statement_omp_parallel par;
687 
688   /* [ WORD 9 ]
689      Child function holding firstprivate initialization if needed.  */
690   tree copy_fn;
691 
692   /* [ WORD 10-11 ]
693      Size and alignment in bytes of the argument data block.  */
694   tree arg_size;
695   tree arg_align;
696 };
697 
698 
699 /* GIMPLE_OMP_SECTION */
700 /* Uses struct gimple_statement_omp.  */
701 
702 
703 /* GIMPLE_OMP_SECTIONS */
704 
705 struct GTY(()) gimple_statement_omp_sections {
706   /* [ WORD 1-5 ]  */
707   struct gimple_statement_omp omp;
708 
709   /* [ WORD 6 ]  */
710   tree clauses;
711 
712   /* [ WORD 7 ]
713      The control variable used for deciding which of the sections to
714      execute.  */
715   tree control;
716 };
717 
718 /* GIMPLE_OMP_CONTINUE.
719 
720    Note: This does not inherit from gimple_statement_omp, because we
721          do not need the body field.  */
722 
723 struct GTY(()) gimple_statement_omp_continue {
724   /* [ WORD 1-4 ]  */
725   struct gimple_statement_base gsbase;
726 
727   /* [ WORD 5 ]  */
728   tree control_def;
729 
730   /* [ WORD 6 ]  */
731   tree control_use;
732 };
733 
734 /* GIMPLE_OMP_SINGLE */
735 
736 struct GTY(()) gimple_statement_omp_single {
737   /* [ WORD 1-5 ]  */
738   struct gimple_statement_omp omp;
739 
740   /* [ WORD 6 ]  */
741   tree clauses;
742 };
743 
744 
745 /* GIMPLE_OMP_ATOMIC_LOAD.
746    Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
747    contains a sequence, which we don't need here.  */
748 
749 struct GTY(()) gimple_statement_omp_atomic_load {
750   /* [ WORD 1-4 ]  */
751   struct gimple_statement_base gsbase;
752 
753   /* [ WORD 5-6 ]  */
754   tree rhs, lhs;
755 };
756 
757 /* GIMPLE_OMP_ATOMIC_STORE.
758    See note on GIMPLE_OMP_ATOMIC_LOAD.  */
759 
760 struct GTY(()) gimple_statement_omp_atomic_store {
761   /* [ WORD 1-4 ]  */
762   struct gimple_statement_base gsbase;
763 
764   /* [ WORD 5 ]  */
765   tree val;
766 };
767 
768 /* GIMPLE_TRANSACTION.  */
769 
770 /* Bits to be stored in the GIMPLE_TRANSACTION subcode.  */
771 
772 /* The __transaction_atomic was declared [[outer]] or it is
773    __transaction_relaxed.  */
774 #define GTMA_IS_OUTER			(1u << 0)
775 #define GTMA_IS_RELAXED			(1u << 1)
776 #define GTMA_DECLARATION_MASK		(GTMA_IS_OUTER | GTMA_IS_RELAXED)
777 
778 /* The transaction is seen to not have an abort.  */
779 #define GTMA_HAVE_ABORT			(1u << 2)
780 /* The transaction is seen to have loads or stores.  */
781 #define GTMA_HAVE_LOAD			(1u << 3)
782 #define GTMA_HAVE_STORE			(1u << 4)
783 /* The transaction MAY enter serial irrevocable mode in its dynamic scope.  */
784 #define GTMA_MAY_ENTER_IRREVOCABLE	(1u << 5)
785 /* The transaction WILL enter serial irrevocable mode.
786    An irrevocable block post-dominates the entire transaction, such
787    that all invocations of the transaction will go serial-irrevocable.
788    In such case, we don't bother instrumenting the transaction, and
789    tell the runtime that it should begin the transaction in
790    serial-irrevocable mode.  */
791 #define GTMA_DOES_GO_IRREVOCABLE	(1u << 6)
792 
793 struct GTY(()) gimple_statement_transaction
794 {
795   /* [ WORD 1-10 ]  */
796   struct gimple_statement_with_memory_ops_base gsbase;
797 
798   /* [ WORD 11 ] */
799   gimple_seq body;
800 
801   /* [ WORD 12 ] */
802   tree label;
803 };
804 
805 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP)	SYM,
806 enum gimple_statement_structure_enum {
807 #include "gsstruct.def"
808     LAST_GSS_ENUM
809 };
810 #undef DEFGSSTRUCT
811 
812 
813 /* Define the overall contents of a gimple tuple.  It may be any of the
814    structures declared above for various types of tuples.  */
815 
816 union GTY ((desc ("gimple_statement_structure (&%h)"), variable_size)) gimple_statement_d {
817   struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
818   struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
819   struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase;
820   struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
821   struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call;
822   struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
823   struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
824   struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
825   struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
826   struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
827   struct gimple_statement_eh_else GTY ((tag ("GSS_EH_ELSE"))) gimple_eh_else;
828   struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
829   struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
830   struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
831   struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
832   struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
833   struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
834   struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
835   struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
836   struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
837   struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
838   struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
839   struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
840   struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
841   struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
842   struct gimple_statement_transaction GTY((tag ("GSS_TRANSACTION"))) gimple_transaction;
843 };
844 
845 /* In gimple.c.  */
846 
847 /* Offset in bytes to the location of the operand vector.
848    Zero if there is no operand vector for this tuple structure.  */
849 extern size_t const gimple_ops_offset_[];
850 
851 /* Map GIMPLE codes to GSS codes.  */
852 extern enum gimple_statement_structure_enum const gss_for_code_[];
853 
854 /* This variable holds the currently expanded gimple statement for purposes
855    of comminucating the profile info to the builtin expanders.  */
856 extern gimple currently_expanding_gimple_stmt;
857 
858 gimple gimple_build_return (tree);
859 
860 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
861 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
862 
863 void extract_ops_from_tree_1 (tree, enum tree_code *, tree *, tree *, tree *);
864 
865 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
866 					  tree, tree MEM_STAT_DECL);
867 #define gimple_build_assign_with_ops(c,o1,o2,o3)			\
868   gimple_build_assign_with_ops_stat (c, o1, o2, o3, NULL_TREE MEM_STAT_INFO)
869 #define gimple_build_assign_with_ops3(c,o1,o2,o3,o4)			\
870   gimple_build_assign_with_ops_stat (c, o1, o2, o3, o4 MEM_STAT_INFO)
871 
872 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
873 #define gimple_build_debug_bind(var,val,stmt)			\
874   gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
875 gimple gimple_build_debug_source_bind_stat (tree, tree, gimple MEM_STAT_DECL);
876 #define gimple_build_debug_source_bind(var,val,stmt)			\
877   gimple_build_debug_source_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
878 
879 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
880 gimple gimple_build_call (tree, unsigned, ...);
881 gimple gimple_build_call_valist (tree, unsigned, va_list);
882 gimple gimple_build_call_internal (enum internal_fn, unsigned, ...);
883 gimple gimple_build_call_internal_vec (enum internal_fn, VEC(tree, heap) *);
884 gimple gimple_build_call_from_tree (tree);
885 gimple gimplify_assign (tree, tree, gimple_seq *);
886 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
887 gimple gimple_build_label (tree label);
888 gimple gimple_build_goto (tree dest);
889 gimple gimple_build_nop (void);
890 gimple gimple_build_bind (tree, gimple_seq, tree);
891 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
892                              VEC(tree,gc) *, VEC(tree,gc) *);
893 gimple gimple_build_catch (tree, gimple_seq);
894 gimple gimple_build_eh_filter (tree, gimple_seq);
895 gimple gimple_build_eh_must_not_throw (tree);
896 gimple gimple_build_eh_else (gimple_seq, gimple_seq);
897 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
898 gimple gimple_build_wce (gimple_seq);
899 gimple gimple_build_resx (int);
900 gimple gimple_build_eh_dispatch (int);
901 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
902 gimple gimple_build_switch (unsigned, tree, tree, ...);
903 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
904 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
905 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
906 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
907 gimple gimple_build_omp_critical (gimple_seq, tree);
908 gimple gimple_build_omp_section (gimple_seq);
909 gimple gimple_build_omp_continue (tree, tree);
910 gimple gimple_build_omp_master (gimple_seq);
911 gimple gimple_build_omp_return (bool);
912 gimple gimple_build_omp_ordered (gimple_seq);
913 gimple gimple_build_omp_sections (gimple_seq, tree);
914 gimple gimple_build_omp_sections_switch (void);
915 gimple gimple_build_omp_single (gimple_seq, tree);
916 gimple gimple_build_cdt (tree, tree);
917 gimple gimple_build_omp_atomic_load (tree, tree);
918 gimple gimple_build_omp_atomic_store (tree);
919 gimple gimple_build_transaction (gimple_seq, tree);
920 gimple gimple_build_predict (enum br_predictor, enum prediction);
921 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
922 void sort_case_labels (VEC(tree,heap) *);
923 void gimple_set_body (tree, gimple_seq);
924 gimple_seq gimple_body (tree);
925 bool gimple_has_body_p (tree);
926 gimple_seq gimple_seq_alloc (void);
927 void gimple_seq_free (gimple_seq);
928 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
929 gimple_seq gimple_seq_copy (gimple_seq);
930 bool gimple_call_same_target_p (const_gimple, const_gimple);
931 int gimple_call_flags (const_gimple);
932 int gimple_call_return_flags (const_gimple);
933 int gimple_call_arg_flags (const_gimple, unsigned);
934 void gimple_call_reset_alias_info (gimple);
935 bool gimple_assign_copy_p (gimple);
936 bool gimple_assign_ssa_name_copy_p (gimple);
937 bool gimple_assign_unary_nop_p (gimple);
938 void gimple_set_bb (gimple, struct basic_block_def *);
939 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
940 void gimple_assign_set_rhs_with_ops_1 (gimple_stmt_iterator *, enum tree_code,
941 				       tree, tree, tree);
942 tree gimple_get_lhs (const_gimple);
943 void gimple_set_lhs (gimple, tree);
944 void gimple_replace_lhs (gimple, tree);
945 gimple gimple_copy (gimple);
946 void gimple_set_modified (gimple, bool);
947 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
948 gimple gimple_build_cond_from_tree (tree, tree, tree);
949 void gimple_cond_set_condition_from_tree (gimple, tree);
950 bool gimple_has_side_effects (const_gimple);
951 bool gimple_could_trap_p (gimple);
952 bool gimple_could_trap_p_1 (gimple, bool, bool);
953 bool gimple_assign_rhs_could_trap_p (gimple);
954 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
955 bool empty_body_p (gimple_seq);
956 unsigned get_gimple_rhs_num_ops (enum tree_code);
957 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
958 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
959 const char *gimple_decl_printable_name (tree, int);
960 tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree);
961 void gimple_adjust_this_by_delta (gimple_stmt_iterator *, tree);
962 tree gimple_extract_devirt_binfo_from_cst (tree);
963 /* Returns true iff T is a valid GIMPLE statement.  */
964 extern bool is_gimple_stmt (tree);
965 
966 /* Returns true iff T is a scalar register variable.  */
967 extern bool is_gimple_reg (tree);
968 /* Returns true iff T is any sort of variable.  */
969 extern bool is_gimple_variable (tree);
970 /* Returns true iff T is any sort of symbol.  */
971 extern bool is_gimple_id (tree);
972 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable).  */
973 extern bool is_gimple_min_lval (tree);
974 /* Returns true iff T is something whose address can be taken.  */
975 extern bool is_gimple_addressable (tree);
976 /* Returns true iff T is any valid GIMPLE lvalue.  */
977 extern bool is_gimple_lvalue (tree);
978 
979 /* Returns true iff T is a GIMPLE address.  */
980 bool is_gimple_address (const_tree);
981 /* Returns true iff T is a GIMPLE invariant address.  */
982 bool is_gimple_invariant_address (const_tree);
983 /* Returns true iff T is a GIMPLE invariant address at interprocedural
984    level.  */
985 bool is_gimple_ip_invariant_address (const_tree);
986 /* Returns true iff T is a valid GIMPLE constant.  */
987 bool is_gimple_constant (const_tree);
988 /* Returns true iff T is a GIMPLE restricted function invariant.  */
989 extern bool is_gimple_min_invariant (const_tree);
990 /* Returns true iff T is a GIMPLE restricted interprecodural invariant.  */
991 extern bool is_gimple_ip_invariant (const_tree);
992 /* Returns true iff T is a GIMPLE rvalue.  */
993 extern bool is_gimple_val (tree);
994 /* Returns true iff T is a GIMPLE asm statement input.  */
995 extern bool is_gimple_asm_val (tree);
996 /* Returns true iff T is a valid address operand of a MEM_REF.  */
997 bool is_gimple_mem_ref_addr (tree);
998 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
999    GIMPLE temporary, a renamed user variable, or something else,
1000    respectively.  */
1001 extern bool is_gimple_reg_rhs (tree);
1002 extern bool is_gimple_mem_rhs (tree);
1003 
1004 /* Returns true iff T is a valid if-statement condition.  */
1005 extern bool is_gimple_condexpr (tree);
1006 
1007 /* Returns true iff T is a valid call address expression.  */
1008 extern bool is_gimple_call_addr (tree);
1009 
1010 extern void recalculate_side_effects (tree);
1011 extern bool gimple_compare_field_offset (tree, tree);
1012 extern tree gimple_register_type (tree);
1013 extern tree gimple_register_canonical_type (tree);
1014 extern void print_gimple_types_stats (void);
1015 extern void free_gimple_type_tables (void);
1016 extern tree gimple_unsigned_type (tree);
1017 extern tree gimple_signed_type (tree);
1018 extern alias_set_type gimple_get_alias_set (tree);
1019 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
1020 				   unsigned *);
1021 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
1022 					   bool (*)(gimple, tree, void *),
1023 					   bool (*)(gimple, tree, void *),
1024 					   bool (*)(gimple, tree, void *));
1025 extern bool walk_stmt_load_store_ops (gimple, void *,
1026 				      bool (*)(gimple, tree, void *),
1027 				      bool (*)(gimple, tree, void *));
1028 extern bool gimple_ior_addresses_taken (bitmap, gimple);
1029 extern bool gimple_call_builtin_class_p (gimple, enum built_in_class);
1030 extern bool gimple_call_builtin_p (gimple, enum built_in_function);
1031 extern bool gimple_asm_clobbers_memory_p (const_gimple);
1032 
1033 /* In gimplify.c  */
1034 extern tree create_tmp_var_raw (tree, const char *);
1035 extern tree create_tmp_var_name (const char *);
1036 extern tree create_tmp_var (tree, const char *);
1037 extern tree create_tmp_reg (tree, const char *);
1038 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
1039 extern tree get_formal_tmp_var (tree, gimple_seq *);
1040 extern void declare_vars (tree, gimple, bool);
1041 extern void annotate_all_with_location (gimple_seq, location_t);
1042 
1043 /* Validation of GIMPLE expressions.  Note that these predicates only check
1044    the basic form of the expression, they don't recurse to make sure that
1045    underlying nodes are also of the right form.  */
1046 typedef bool (*gimple_predicate)(tree);
1047 
1048 
1049 /* FIXME we should deduce this from the predicate.  */
1050 enum fallback {
1051   fb_none = 0,		/* Do not generate a temporary.  */
1052 
1053   fb_rvalue = 1,	/* Generate an rvalue to hold the result of a
1054 			   gimplified expression.  */
1055 
1056   fb_lvalue = 2,	/* Generate an lvalue to hold the result of a
1057 			   gimplified expression.  */
1058 
1059   fb_mayfail = 4,	/* Gimplification may fail.  Error issued
1060 			   afterwards.  */
1061   fb_either= fb_rvalue | fb_lvalue
1062 };
1063 
1064 typedef int fallback_t;
1065 
1066 enum gimplify_status {
1067   GS_ERROR	= -2,	/* Something Bad Seen.  */
1068   GS_UNHANDLED	= -1,	/* A langhook result for "I dunno".  */
1069   GS_OK		= 0,	/* We did something, maybe more to do.  */
1070   GS_ALL_DONE	= 1	/* The expression is fully gimplified.  */
1071 };
1072 
1073 struct gimplify_ctx
1074 {
1075   struct gimplify_ctx *prev_context;
1076 
1077   VEC(gimple,heap) *bind_expr_stack;
1078   tree temps;
1079   gimple_seq conditional_cleanups;
1080   tree exit_label;
1081   tree return_temp;
1082 
1083   VEC(tree,heap) *case_labels;
1084   /* The formal temporary table.  Should this be persistent?  */
1085   htab_t temp_htab;
1086 
1087   int conditions;
1088   bool save_stack;
1089   bool into_ssa;
1090   bool allow_rhs_cond_expr;
1091   bool in_cleanup_point_expr;
1092 };
1093 
1094 /* Return true if gimplify_one_sizepos doesn't need to gimplify
1095    expr (when in TYPE_SIZE{,_UNIT} and similar type/decl size/bitsize
1096    fields).  */
1097 static inline bool
is_gimple_sizepos(tree expr)1098 is_gimple_sizepos (tree expr)
1099 {
1100   /* gimplify_one_sizepos doesn't need to do anything if the value isn't there,
1101      is constant, or contains A PLACEHOLDER_EXPR.  We also don't want to do
1102      anything if it's already a VAR_DECL.  If it's a VAR_DECL from another
1103      function, the gimplifier will want to replace it with a new variable,
1104      but that will cause problems if this type is from outside the function.
1105      It's OK to have that here.  */
1106   return (expr == NULL_TREE
1107 	  || TREE_CONSTANT (expr)
1108 	  || TREE_CODE (expr) == VAR_DECL
1109 	  || CONTAINS_PLACEHOLDER_P (expr));
1110 }
1111 
1112 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
1113 					   bool (*) (tree), fallback_t);
1114 extern void gimplify_type_sizes (tree, gimple_seq *);
1115 extern void gimplify_one_sizepos (tree *, gimple_seq *);
1116 extern bool gimplify_stmt (tree *, gimple_seq *);
1117 extern gimple gimplify_body (tree, bool);
1118 extern void push_gimplify_context (struct gimplify_ctx *);
1119 extern void pop_gimplify_context (gimple);
1120 extern void gimplify_and_add (tree, gimple_seq *);
1121 
1122 /* Miscellaneous helpers.  */
1123 extern void gimple_add_tmp_var (tree);
1124 extern gimple gimple_current_bind_expr (void);
1125 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1126 extern tree voidify_wrapper_expr (tree, tree);
1127 extern tree build_and_jump (tree *);
1128 extern tree force_labels_r (tree *, int *, void *);
1129 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1130 						  gimple_seq *);
1131 struct gimplify_omp_ctx;
1132 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1133 extern tree gimple_boolify (tree);
1134 extern gimple_predicate rhs_predicate_for (tree);
1135 extern tree canonicalize_cond_expr_cond (tree);
1136 
1137 /* In omp-low.c.  */
1138 extern tree omp_reduction_init (tree, tree);
1139 
1140 /* In trans-mem.c.  */
1141 extern void diagnose_tm_safe_errors (tree);
1142 extern void compute_transaction_bits (void);
1143 
1144 /* In tree-nested.c.  */
1145 extern void lower_nested_functions (tree);
1146 extern void insert_field_into_struct (tree, tree);
1147 
1148 /* In gimplify.c.  */
1149 extern void gimplify_function_tree (tree);
1150 
1151 /* In cfgexpand.c.  */
1152 extern tree gimple_assign_rhs_to_tree (gimple);
1153 
1154 /* In builtins.c  */
1155 extern bool validate_gimple_arglist (const_gimple, ...);
1156 
1157 /* In tree-ssa.c  */
1158 extern bool tree_ssa_useless_type_conversion (tree);
1159 extern tree tree_ssa_strip_useless_type_conversions (tree);
1160 extern bool useless_type_conversion_p (tree, tree);
1161 extern bool types_compatible_p (tree, tree);
1162 
1163 /* Return the code for GIMPLE statement G.  */
1164 
1165 static inline enum gimple_code
gimple_code(const_gimple g)1166 gimple_code (const_gimple g)
1167 {
1168   return g->gsbase.code;
1169 }
1170 
1171 
1172 /* Return the GSS code used by a GIMPLE code.  */
1173 
1174 static inline enum gimple_statement_structure_enum
gss_for_code(enum gimple_code code)1175 gss_for_code (enum gimple_code code)
1176 {
1177   gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1178   return gss_for_code_[code];
1179 }
1180 
1181 
1182 /* Return which GSS code is used by GS.  */
1183 
1184 static inline enum gimple_statement_structure_enum
gimple_statement_structure(gimple gs)1185 gimple_statement_structure (gimple gs)
1186 {
1187   return gss_for_code (gimple_code (gs));
1188 }
1189 
1190 
1191 /* Return true if statement G has sub-statements.  This is only true for
1192    High GIMPLE statements.  */
1193 
1194 static inline bool
gimple_has_substatements(gimple g)1195 gimple_has_substatements (gimple g)
1196 {
1197   switch (gimple_code (g))
1198     {
1199     case GIMPLE_BIND:
1200     case GIMPLE_CATCH:
1201     case GIMPLE_EH_FILTER:
1202     case GIMPLE_EH_ELSE:
1203     case GIMPLE_TRY:
1204     case GIMPLE_OMP_FOR:
1205     case GIMPLE_OMP_MASTER:
1206     case GIMPLE_OMP_ORDERED:
1207     case GIMPLE_OMP_SECTION:
1208     case GIMPLE_OMP_PARALLEL:
1209     case GIMPLE_OMP_TASK:
1210     case GIMPLE_OMP_SECTIONS:
1211     case GIMPLE_OMP_SINGLE:
1212     case GIMPLE_OMP_CRITICAL:
1213     case GIMPLE_WITH_CLEANUP_EXPR:
1214     case GIMPLE_TRANSACTION:
1215       return true;
1216 
1217     default:
1218       return false;
1219     }
1220 }
1221 
1222 
1223 /* Return the basic block holding statement G.  */
1224 
1225 static inline struct basic_block_def *
gimple_bb(const_gimple g)1226 gimple_bb (const_gimple g)
1227 {
1228   return g->gsbase.bb;
1229 }
1230 
1231 
1232 /* Return the lexical scope block holding statement G.  */
1233 
1234 static inline tree
gimple_block(const_gimple g)1235 gimple_block (const_gimple g)
1236 {
1237   return g->gsbase.block;
1238 }
1239 
1240 
1241 /* Set BLOCK to be the lexical scope block holding statement G.  */
1242 
1243 static inline void
gimple_set_block(gimple g,tree block)1244 gimple_set_block (gimple g, tree block)
1245 {
1246   g->gsbase.block = block;
1247 }
1248 
1249 
1250 /* Return location information for statement G.  */
1251 
1252 static inline location_t
gimple_location(const_gimple g)1253 gimple_location (const_gimple g)
1254 {
1255   return g->gsbase.location;
1256 }
1257 
1258 /* Return pointer to location information for statement G.  */
1259 
1260 static inline const location_t *
gimple_location_ptr(const_gimple g)1261 gimple_location_ptr (const_gimple g)
1262 {
1263   return &g->gsbase.location;
1264 }
1265 
1266 
1267 /* Set location information for statement G.  */
1268 
1269 static inline void
gimple_set_location(gimple g,location_t location)1270 gimple_set_location (gimple g, location_t location)
1271 {
1272   g->gsbase.location = location;
1273 }
1274 
1275 
1276 /* Return true if G contains location information.  */
1277 
1278 static inline bool
gimple_has_location(const_gimple g)1279 gimple_has_location (const_gimple g)
1280 {
1281   return gimple_location (g) != UNKNOWN_LOCATION;
1282 }
1283 
1284 
1285 /* Return the file name of the location of STMT.  */
1286 
1287 static inline const char *
gimple_filename(const_gimple stmt)1288 gimple_filename (const_gimple stmt)
1289 {
1290   return LOCATION_FILE (gimple_location (stmt));
1291 }
1292 
1293 
1294 /* Return the line number of the location of STMT.  */
1295 
1296 static inline int
gimple_lineno(const_gimple stmt)1297 gimple_lineno (const_gimple stmt)
1298 {
1299   return LOCATION_LINE (gimple_location (stmt));
1300 }
1301 
1302 
1303 /* Determine whether SEQ is a singleton. */
1304 
1305 static inline bool
gimple_seq_singleton_p(gimple_seq seq)1306 gimple_seq_singleton_p (gimple_seq seq)
1307 {
1308   return ((gimple_seq_first (seq) != NULL)
1309 	  && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1310 }
1311 
1312 /* Return true if no warnings should be emitted for statement STMT.  */
1313 
1314 static inline bool
gimple_no_warning_p(const_gimple stmt)1315 gimple_no_warning_p (const_gimple stmt)
1316 {
1317   return stmt->gsbase.no_warning;
1318 }
1319 
1320 /* Set the no_warning flag of STMT to NO_WARNING.  */
1321 
1322 static inline void
gimple_set_no_warning(gimple stmt,bool no_warning)1323 gimple_set_no_warning (gimple stmt, bool no_warning)
1324 {
1325   stmt->gsbase.no_warning = (unsigned) no_warning;
1326 }
1327 
1328 /* Set the visited status on statement STMT to VISITED_P.  */
1329 
1330 static inline void
gimple_set_visited(gimple stmt,bool visited_p)1331 gimple_set_visited (gimple stmt, bool visited_p)
1332 {
1333   stmt->gsbase.visited = (unsigned) visited_p;
1334 }
1335 
1336 
1337 /* Return the visited status for statement STMT.  */
1338 
1339 static inline bool
gimple_visited_p(gimple stmt)1340 gimple_visited_p (gimple stmt)
1341 {
1342   return stmt->gsbase.visited;
1343 }
1344 
1345 
1346 /* Set pass local flag PLF on statement STMT to VAL_P.  */
1347 
1348 static inline void
gimple_set_plf(gimple stmt,enum plf_mask plf,bool val_p)1349 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1350 {
1351   if (val_p)
1352     stmt->gsbase.plf |= (unsigned int) plf;
1353   else
1354     stmt->gsbase.plf &= ~((unsigned int) plf);
1355 }
1356 
1357 
1358 /* Return the value of pass local flag PLF on statement STMT.  */
1359 
1360 static inline unsigned int
gimple_plf(gimple stmt,enum plf_mask plf)1361 gimple_plf (gimple stmt, enum plf_mask plf)
1362 {
1363   return stmt->gsbase.plf & ((unsigned int) plf);
1364 }
1365 
1366 
1367 /* Set the UID of statement.  */
1368 
1369 static inline void
gimple_set_uid(gimple g,unsigned uid)1370 gimple_set_uid (gimple g, unsigned uid)
1371 {
1372   g->gsbase.uid = uid;
1373 }
1374 
1375 
1376 /* Return the UID of statement.  */
1377 
1378 static inline unsigned
gimple_uid(const_gimple g)1379 gimple_uid (const_gimple g)
1380 {
1381   return g->gsbase.uid;
1382 }
1383 
1384 
1385 /* Return true if GIMPLE statement G has register or memory operands.  */
1386 
1387 static inline bool
gimple_has_ops(const_gimple g)1388 gimple_has_ops (const_gimple g)
1389 {
1390   return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1391 }
1392 
1393 
1394 /* Return true if GIMPLE statement G has memory operands.  */
1395 
1396 static inline bool
gimple_has_mem_ops(const_gimple g)1397 gimple_has_mem_ops (const_gimple g)
1398 {
1399   return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1400 }
1401 
1402 
1403 /* Return the set of DEF operands for statement G.  */
1404 
1405 static inline struct def_optype_d *
gimple_def_ops(const_gimple g)1406 gimple_def_ops (const_gimple g)
1407 {
1408   if (!gimple_has_ops (g))
1409     return NULL;
1410   return g->gsops.opbase.def_ops;
1411 }
1412 
1413 
1414 /* Set DEF to be the set of DEF operands for statement G.  */
1415 
1416 static inline void
gimple_set_def_ops(gimple g,struct def_optype_d * def)1417 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1418 {
1419   gcc_gimple_checking_assert (gimple_has_ops (g));
1420   g->gsops.opbase.def_ops = def;
1421 }
1422 
1423 
1424 /* Return the set of USE operands for statement G.  */
1425 
1426 static inline struct use_optype_d *
gimple_use_ops(const_gimple g)1427 gimple_use_ops (const_gimple g)
1428 {
1429   if (!gimple_has_ops (g))
1430     return NULL;
1431   return g->gsops.opbase.use_ops;
1432 }
1433 
1434 
1435 /* Set USE to be the set of USE operands for statement G.  */
1436 
1437 static inline void
gimple_set_use_ops(gimple g,struct use_optype_d * use)1438 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1439 {
1440   gcc_gimple_checking_assert (gimple_has_ops (g));
1441   g->gsops.opbase.use_ops = use;
1442 }
1443 
1444 
1445 /* Return the set of VUSE operand for statement G.  */
1446 
1447 static inline use_operand_p
gimple_vuse_op(const_gimple g)1448 gimple_vuse_op (const_gimple g)
1449 {
1450   struct use_optype_d *ops;
1451   if (!gimple_has_mem_ops (g))
1452     return NULL_USE_OPERAND_P;
1453   ops = g->gsops.opbase.use_ops;
1454   if (ops
1455       && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1456     return USE_OP_PTR (ops);
1457   return NULL_USE_OPERAND_P;
1458 }
1459 
1460 /* Return the set of VDEF operand for statement G.  */
1461 
1462 static inline def_operand_p
gimple_vdef_op(const_gimple g)1463 gimple_vdef_op (const_gimple g)
1464 {
1465   struct def_optype_d *ops;
1466   if (!gimple_has_mem_ops (g))
1467     return NULL_DEF_OPERAND_P;
1468   ops = g->gsops.opbase.def_ops;
1469   if (ops
1470       && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1471     return DEF_OP_PTR (ops);
1472   return NULL_DEF_OPERAND_P;
1473 }
1474 
1475 
1476 /* Return the single VUSE operand of the statement G.  */
1477 
1478 static inline tree
gimple_vuse(const_gimple g)1479 gimple_vuse (const_gimple g)
1480 {
1481   if (!gimple_has_mem_ops (g))
1482     return NULL_TREE;
1483   return g->gsmembase.vuse;
1484 }
1485 
1486 /* Return the single VDEF operand of the statement G.  */
1487 
1488 static inline tree
gimple_vdef(const_gimple g)1489 gimple_vdef (const_gimple g)
1490 {
1491   if (!gimple_has_mem_ops (g))
1492     return NULL_TREE;
1493   return g->gsmembase.vdef;
1494 }
1495 
1496 /* Return the single VUSE operand of the statement G.  */
1497 
1498 static inline tree *
gimple_vuse_ptr(gimple g)1499 gimple_vuse_ptr (gimple g)
1500 {
1501   if (!gimple_has_mem_ops (g))
1502     return NULL;
1503   return &g->gsmembase.vuse;
1504 }
1505 
1506 /* Return the single VDEF operand of the statement G.  */
1507 
1508 static inline tree *
gimple_vdef_ptr(gimple g)1509 gimple_vdef_ptr (gimple g)
1510 {
1511   if (!gimple_has_mem_ops (g))
1512     return NULL;
1513   return &g->gsmembase.vdef;
1514 }
1515 
1516 /* Set the single VUSE operand of the statement G.  */
1517 
1518 static inline void
gimple_set_vuse(gimple g,tree vuse)1519 gimple_set_vuse (gimple g, tree vuse)
1520 {
1521   gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1522   g->gsmembase.vuse = vuse;
1523 }
1524 
1525 /* Set the single VDEF operand of the statement G.  */
1526 
1527 static inline void
gimple_set_vdef(gimple g,tree vdef)1528 gimple_set_vdef (gimple g, tree vdef)
1529 {
1530   gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1531   g->gsmembase.vdef = vdef;
1532 }
1533 
1534 
1535 /* Return true if statement G has operands and the modified field has
1536    been set.  */
1537 
1538 static inline bool
gimple_modified_p(const_gimple g)1539 gimple_modified_p (const_gimple g)
1540 {
1541   return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1542 }
1543 
1544 
1545 /* Return the tree code for the expression computed by STMT.  This is
1546    only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN.  For
1547    GIMPLE_CALL, return CALL_EXPR as the expression code for
1548    consistency.  This is useful when the caller needs to deal with the
1549    three kinds of computation that GIMPLE supports.  */
1550 
1551 static inline enum tree_code
gimple_expr_code(const_gimple stmt)1552 gimple_expr_code (const_gimple stmt)
1553 {
1554   enum gimple_code code = gimple_code (stmt);
1555   if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1556     return (enum tree_code) stmt->gsbase.subcode;
1557   else
1558     {
1559       gcc_gimple_checking_assert (code == GIMPLE_CALL);
1560       return CALL_EXPR;
1561     }
1562 }
1563 
1564 
1565 /* Mark statement S as modified, and update it.  */
1566 
1567 static inline void
update_stmt(gimple s)1568 update_stmt (gimple s)
1569 {
1570   if (gimple_has_ops (s))
1571     {
1572       gimple_set_modified (s, true);
1573       update_stmt_operands (s);
1574     }
1575 }
1576 
1577 /* Update statement S if it has been optimized.  */
1578 
1579 static inline void
update_stmt_if_modified(gimple s)1580 update_stmt_if_modified (gimple s)
1581 {
1582   if (gimple_modified_p (s))
1583     update_stmt_operands (s);
1584 }
1585 
1586 /* Return true if statement STMT contains volatile operands.  */
1587 
1588 static inline bool
gimple_has_volatile_ops(const_gimple stmt)1589 gimple_has_volatile_ops (const_gimple stmt)
1590 {
1591   if (gimple_has_mem_ops (stmt))
1592     return stmt->gsbase.has_volatile_ops;
1593   else
1594     return false;
1595 }
1596 
1597 
1598 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP.  */
1599 
1600 static inline void
gimple_set_has_volatile_ops(gimple stmt,bool volatilep)1601 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1602 {
1603   if (gimple_has_mem_ops (stmt))
1604     stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1605 }
1606 
1607 /* Return true if BB is in a transaction.  */
1608 
1609 static inline bool
block_in_transaction(basic_block bb)1610 block_in_transaction (basic_block bb)
1611 {
1612   return flag_tm && bb->flags & BB_IN_TRANSACTION;
1613 }
1614 
1615 /* Return true if STMT is in a transaction.  */
1616 
1617 static inline bool
gimple_in_transaction(gimple stmt)1618 gimple_in_transaction (gimple stmt)
1619 {
1620   return block_in_transaction (gimple_bb (stmt));
1621 }
1622 
1623 /* Return true if statement STMT may access memory.  */
1624 
1625 static inline bool
gimple_references_memory_p(gimple stmt)1626 gimple_references_memory_p (gimple stmt)
1627 {
1628   return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1629 }
1630 
1631 
1632 /* Return the subcode for OMP statement S.  */
1633 
1634 static inline unsigned
gimple_omp_subcode(const_gimple s)1635 gimple_omp_subcode (const_gimple s)
1636 {
1637   gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1638 	      && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1639   return s->gsbase.subcode;
1640 }
1641 
1642 /* Set the subcode for OMP statement S to SUBCODE.  */
1643 
1644 static inline void
gimple_omp_set_subcode(gimple s,unsigned int subcode)1645 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1646 {
1647   /* We only have 16 bits for the subcode.  Assert that we are not
1648      overflowing it.  */
1649   gcc_gimple_checking_assert (subcode < (1 << 16));
1650   s->gsbase.subcode = subcode;
1651 }
1652 
1653 /* Set the nowait flag on OMP_RETURN statement S.  */
1654 
1655 static inline void
gimple_omp_return_set_nowait(gimple s)1656 gimple_omp_return_set_nowait (gimple s)
1657 {
1658   GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1659   s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1660 }
1661 
1662 
1663 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1664    flag set.  */
1665 
1666 static inline bool
gimple_omp_return_nowait_p(const_gimple g)1667 gimple_omp_return_nowait_p (const_gimple g)
1668 {
1669   GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1670   return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1671 }
1672 
1673 
1674 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1675    flag set.  */
1676 
1677 static inline bool
gimple_omp_section_last_p(const_gimple g)1678 gimple_omp_section_last_p (const_gimple g)
1679 {
1680   GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1681   return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1682 }
1683 
1684 
1685 /* Set the GF_OMP_SECTION_LAST flag on G.  */
1686 
1687 static inline void
gimple_omp_section_set_last(gimple g)1688 gimple_omp_section_set_last (gimple g)
1689 {
1690   GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1691   g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1692 }
1693 
1694 
1695 /* Return true if OMP parallel statement G has the
1696    GF_OMP_PARALLEL_COMBINED flag set.  */
1697 
1698 static inline bool
gimple_omp_parallel_combined_p(const_gimple g)1699 gimple_omp_parallel_combined_p (const_gimple g)
1700 {
1701   GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1702   return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1703 }
1704 
1705 
1706 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1707    value of COMBINED_P.  */
1708 
1709 static inline void
gimple_omp_parallel_set_combined_p(gimple g,bool combined_p)1710 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1711 {
1712   GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1713   if (combined_p)
1714     g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1715   else
1716     g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1717 }
1718 
1719 
1720 /* Return true if OMP atomic load/store statement G has the
1721    GF_OMP_ATOMIC_NEED_VALUE flag set.  */
1722 
1723 static inline bool
gimple_omp_atomic_need_value_p(const_gimple g)1724 gimple_omp_atomic_need_value_p (const_gimple g)
1725 {
1726   if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
1727     GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
1728   return (gimple_omp_subcode (g) & GF_OMP_ATOMIC_NEED_VALUE) != 0;
1729 }
1730 
1731 
1732 /* Set the GF_OMP_ATOMIC_NEED_VALUE flag on G.  */
1733 
1734 static inline void
gimple_omp_atomic_set_need_value(gimple g)1735 gimple_omp_atomic_set_need_value (gimple g)
1736 {
1737   if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
1738     GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
1739   g->gsbase.subcode |= GF_OMP_ATOMIC_NEED_VALUE;
1740 }
1741 
1742 
1743 /* Return the number of operands for statement GS.  */
1744 
1745 static inline unsigned
gimple_num_ops(const_gimple gs)1746 gimple_num_ops (const_gimple gs)
1747 {
1748   return gs->gsbase.num_ops;
1749 }
1750 
1751 
1752 /* Set the number of operands for statement GS.  */
1753 
1754 static inline void
gimple_set_num_ops(gimple gs,unsigned num_ops)1755 gimple_set_num_ops (gimple gs, unsigned num_ops)
1756 {
1757   gs->gsbase.num_ops = num_ops;
1758 }
1759 
1760 
1761 /* Return the array of operands for statement GS.  */
1762 
1763 static inline tree *
gimple_ops(gimple gs)1764 gimple_ops (gimple gs)
1765 {
1766   size_t off;
1767 
1768   /* All the tuples have their operand vector at the very bottom
1769      of the structure.  Note that those structures that do not
1770      have an operand vector have a zero offset.  */
1771   off = gimple_ops_offset_[gimple_statement_structure (gs)];
1772   gcc_gimple_checking_assert (off != 0);
1773 
1774   return (tree *) ((char *) gs + off);
1775 }
1776 
1777 
1778 /* Return operand I for statement GS.  */
1779 
1780 static inline tree
gimple_op(const_gimple gs,unsigned i)1781 gimple_op (const_gimple gs, unsigned i)
1782 {
1783   if (gimple_has_ops (gs))
1784     {
1785       gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1786       return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1787     }
1788   else
1789     return NULL_TREE;
1790 }
1791 
1792 /* Return a pointer to operand I for statement GS.  */
1793 
1794 static inline tree *
gimple_op_ptr(const_gimple gs,unsigned i)1795 gimple_op_ptr (const_gimple gs, unsigned i)
1796 {
1797   if (gimple_has_ops (gs))
1798     {
1799       gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1800       return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1801     }
1802   else
1803     return NULL;
1804 }
1805 
1806 /* Set operand I of statement GS to OP.  */
1807 
1808 static inline void
gimple_set_op(gimple gs,unsigned i,tree op)1809 gimple_set_op (gimple gs, unsigned i, tree op)
1810 {
1811   gcc_gimple_checking_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1812 
1813   /* Note.  It may be tempting to assert that OP matches
1814      is_gimple_operand, but that would be wrong.  Different tuples
1815      accept slightly different sets of tree operands.  Each caller
1816      should perform its own validation.  */
1817   gimple_ops (gs)[i] = op;
1818 }
1819 
1820 /* Return true if GS is a GIMPLE_ASSIGN.  */
1821 
1822 static inline bool
is_gimple_assign(const_gimple gs)1823 is_gimple_assign (const_gimple gs)
1824 {
1825   return gimple_code (gs) == GIMPLE_ASSIGN;
1826 }
1827 
1828 /* Determine if expression CODE is one of the valid expressions that can
1829    be used on the RHS of GIMPLE assignments.  */
1830 
1831 static inline enum gimple_rhs_class
get_gimple_rhs_class(enum tree_code code)1832 get_gimple_rhs_class (enum tree_code code)
1833 {
1834   return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1835 }
1836 
1837 /* Return the LHS of assignment statement GS.  */
1838 
1839 static inline tree
gimple_assign_lhs(const_gimple gs)1840 gimple_assign_lhs (const_gimple gs)
1841 {
1842   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1843   return gimple_op (gs, 0);
1844 }
1845 
1846 
1847 /* Return a pointer to the LHS of assignment statement GS.  */
1848 
1849 static inline tree *
gimple_assign_lhs_ptr(const_gimple gs)1850 gimple_assign_lhs_ptr (const_gimple gs)
1851 {
1852   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1853   return gimple_op_ptr (gs, 0);
1854 }
1855 
1856 
1857 /* Set LHS to be the LHS operand of assignment statement GS.  */
1858 
1859 static inline void
gimple_assign_set_lhs(gimple gs,tree lhs)1860 gimple_assign_set_lhs (gimple gs, tree lhs)
1861 {
1862   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1863   gimple_set_op (gs, 0, lhs);
1864 
1865   if (lhs && TREE_CODE (lhs) == SSA_NAME)
1866     SSA_NAME_DEF_STMT (lhs) = gs;
1867 }
1868 
1869 
1870 /* Return the first operand on the RHS of assignment statement GS.  */
1871 
1872 static inline tree
gimple_assign_rhs1(const_gimple gs)1873 gimple_assign_rhs1 (const_gimple gs)
1874 {
1875   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1876   return gimple_op (gs, 1);
1877 }
1878 
1879 
1880 /* Return a pointer to the first operand on the RHS of assignment
1881    statement GS.  */
1882 
1883 static inline tree *
gimple_assign_rhs1_ptr(const_gimple gs)1884 gimple_assign_rhs1_ptr (const_gimple gs)
1885 {
1886   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1887   return gimple_op_ptr (gs, 1);
1888 }
1889 
1890 /* Set RHS to be the first operand on the RHS of assignment statement GS.  */
1891 
1892 static inline void
gimple_assign_set_rhs1(gimple gs,tree rhs)1893 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1894 {
1895   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1896 
1897   gimple_set_op (gs, 1, rhs);
1898 }
1899 
1900 
1901 /* Return the second operand on the RHS of assignment statement GS.
1902    If GS does not have two operands, NULL is returned instead.  */
1903 
1904 static inline tree
gimple_assign_rhs2(const_gimple gs)1905 gimple_assign_rhs2 (const_gimple gs)
1906 {
1907   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1908 
1909   if (gimple_num_ops (gs) >= 3)
1910     return gimple_op (gs, 2);
1911   else
1912     return NULL_TREE;
1913 }
1914 
1915 
1916 /* Return a pointer to the second operand on the RHS of assignment
1917    statement GS.  */
1918 
1919 static inline tree *
gimple_assign_rhs2_ptr(const_gimple gs)1920 gimple_assign_rhs2_ptr (const_gimple gs)
1921 {
1922   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1923   return gimple_op_ptr (gs, 2);
1924 }
1925 
1926 
1927 /* Set RHS to be the second operand on the RHS of assignment statement GS.  */
1928 
1929 static inline void
gimple_assign_set_rhs2(gimple gs,tree rhs)1930 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1931 {
1932   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1933 
1934   gimple_set_op (gs, 2, rhs);
1935 }
1936 
1937 /* Return the third operand on the RHS of assignment statement GS.
1938    If GS does not have two operands, NULL is returned instead.  */
1939 
1940 static inline tree
gimple_assign_rhs3(const_gimple gs)1941 gimple_assign_rhs3 (const_gimple gs)
1942 {
1943   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1944 
1945   if (gimple_num_ops (gs) >= 4)
1946     return gimple_op (gs, 3);
1947   else
1948     return NULL_TREE;
1949 }
1950 
1951 /* Return a pointer to the third operand on the RHS of assignment
1952    statement GS.  */
1953 
1954 static inline tree *
gimple_assign_rhs3_ptr(const_gimple gs)1955 gimple_assign_rhs3_ptr (const_gimple gs)
1956 {
1957   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1958   return gimple_op_ptr (gs, 3);
1959 }
1960 
1961 
1962 /* Set RHS to be the third operand on the RHS of assignment statement GS.  */
1963 
1964 static inline void
gimple_assign_set_rhs3(gimple gs,tree rhs)1965 gimple_assign_set_rhs3 (gimple gs, tree rhs)
1966 {
1967   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1968 
1969   gimple_set_op (gs, 3, rhs);
1970 }
1971 
1972 /* A wrapper around gimple_assign_set_rhs_with_ops_1, for callers which expect
1973    to see only a maximum of two operands.  */
1974 
1975 static inline void
gimple_assign_set_rhs_with_ops(gimple_stmt_iterator * gsi,enum tree_code code,tree op1,tree op2)1976 gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code,
1977 				tree op1, tree op2)
1978 {
1979   gimple_assign_set_rhs_with_ops_1 (gsi, code, op1, op2, NULL);
1980 }
1981 
1982 /* A wrapper around extract_ops_from_tree_1, for callers which expect
1983    to see only a maximum of two operands.  */
1984 
1985 static inline void
extract_ops_from_tree(tree expr,enum tree_code * code,tree * op0,tree * op1)1986 extract_ops_from_tree (tree expr, enum tree_code *code, tree *op0,
1987 		       tree *op1)
1988 {
1989   tree op2;
1990   extract_ops_from_tree_1 (expr, code, op0, op1, &op2);
1991   gcc_assert (op2 == NULL_TREE);
1992 }
1993 
1994 /* Returns true if GS is a nontemporal move.  */
1995 
1996 static inline bool
gimple_assign_nontemporal_move_p(const_gimple gs)1997 gimple_assign_nontemporal_move_p (const_gimple gs)
1998 {
1999   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
2000   return gs->gsbase.nontemporal_move;
2001 }
2002 
2003 /* Sets nontemporal move flag of GS to NONTEMPORAL.  */
2004 
2005 static inline void
gimple_assign_set_nontemporal_move(gimple gs,bool nontemporal)2006 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
2007 {
2008   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
2009   gs->gsbase.nontemporal_move = nontemporal;
2010 }
2011 
2012 
2013 /* Return the code of the expression computed on the rhs of assignment
2014    statement GS.  In case that the RHS is a single object, returns the
2015    tree code of the object.  */
2016 
2017 static inline enum tree_code
gimple_assign_rhs_code(const_gimple gs)2018 gimple_assign_rhs_code (const_gimple gs)
2019 {
2020   enum tree_code code;
2021   GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
2022 
2023   code = (enum tree_code) gs->gsbase.subcode;
2024   /* While we initially set subcode to the TREE_CODE of the rhs for
2025      GIMPLE_SINGLE_RHS assigns we do not update that subcode to stay
2026      in sync when we rewrite stmts into SSA form or do SSA propagations.  */
2027   if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
2028     code = TREE_CODE (gimple_assign_rhs1 (gs));
2029 
2030   return code;
2031 }
2032 
2033 
2034 /* Set CODE to be the code for the expression computed on the RHS of
2035    assignment S.  */
2036 
2037 static inline void
gimple_assign_set_rhs_code(gimple s,enum tree_code code)2038 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
2039 {
2040   GIMPLE_CHECK (s, GIMPLE_ASSIGN);
2041   s->gsbase.subcode = code;
2042 }
2043 
2044 
2045 /* Return the gimple rhs class of the code of the expression computed on
2046    the rhs of assignment statement GS.
2047    This will never return GIMPLE_INVALID_RHS.  */
2048 
2049 static inline enum gimple_rhs_class
gimple_assign_rhs_class(const_gimple gs)2050 gimple_assign_rhs_class (const_gimple gs)
2051 {
2052   return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
2053 }
2054 
2055 /* Return true if GS is an assignment with a singleton RHS, i.e.,
2056    there is no operator associated with the assignment itself.
2057    Unlike gimple_assign_copy_p, this predicate returns true for
2058    any RHS operand, including those that perform an operation
2059    and do not have the semantics of a copy, such as COND_EXPR.  */
2060 
2061 static inline bool
gimple_assign_single_p(gimple gs)2062 gimple_assign_single_p (gimple gs)
2063 {
2064   return (is_gimple_assign (gs)
2065           && gimple_assign_rhs_class (gs) == GIMPLE_SINGLE_RHS);
2066 }
2067 
2068 
2069 /* Return true if S is a type-cast assignment.  */
2070 
2071 static inline bool
gimple_assign_cast_p(gimple s)2072 gimple_assign_cast_p (gimple s)
2073 {
2074   if (is_gimple_assign (s))
2075     {
2076       enum tree_code sc = gimple_assign_rhs_code (s);
2077       return CONVERT_EXPR_CODE_P (sc)
2078 	     || sc == VIEW_CONVERT_EXPR
2079 	     || sc == FIX_TRUNC_EXPR;
2080     }
2081 
2082   return false;
2083 }
2084 
2085 /* Return true if S is a clobber statement.  */
2086 
2087 static inline bool
gimple_clobber_p(gimple s)2088 gimple_clobber_p (gimple s)
2089 {
2090   return gimple_assign_single_p (s)
2091          && TREE_CLOBBER_P (gimple_assign_rhs1 (s));
2092 }
2093 
2094 /* Return true if GS is a GIMPLE_CALL.  */
2095 
2096 static inline bool
is_gimple_call(const_gimple gs)2097 is_gimple_call (const_gimple gs)
2098 {
2099   return gimple_code (gs) == GIMPLE_CALL;
2100 }
2101 
2102 /* Return the LHS of call statement GS.  */
2103 
2104 static inline tree
gimple_call_lhs(const_gimple gs)2105 gimple_call_lhs (const_gimple gs)
2106 {
2107   GIMPLE_CHECK (gs, GIMPLE_CALL);
2108   return gimple_op (gs, 0);
2109 }
2110 
2111 
2112 /* Return a pointer to the LHS of call statement GS.  */
2113 
2114 static inline tree *
gimple_call_lhs_ptr(const_gimple gs)2115 gimple_call_lhs_ptr (const_gimple gs)
2116 {
2117   GIMPLE_CHECK (gs, GIMPLE_CALL);
2118   return gimple_op_ptr (gs, 0);
2119 }
2120 
2121 
2122 /* Set LHS to be the LHS operand of call statement GS.  */
2123 
2124 static inline void
gimple_call_set_lhs(gimple gs,tree lhs)2125 gimple_call_set_lhs (gimple gs, tree lhs)
2126 {
2127   GIMPLE_CHECK (gs, GIMPLE_CALL);
2128   gimple_set_op (gs, 0, lhs);
2129   if (lhs && TREE_CODE (lhs) == SSA_NAME)
2130     SSA_NAME_DEF_STMT (lhs) = gs;
2131 }
2132 
2133 
2134 /* Return true if call GS calls an internal-only function, as enumerated
2135    by internal_fn.  */
2136 
2137 static inline bool
gimple_call_internal_p(const_gimple gs)2138 gimple_call_internal_p (const_gimple gs)
2139 {
2140   GIMPLE_CHECK (gs, GIMPLE_CALL);
2141   return (gs->gsbase.subcode & GF_CALL_INTERNAL) != 0;
2142 }
2143 
2144 
2145 /* Return the target of internal call GS.  */
2146 
2147 static inline enum internal_fn
gimple_call_internal_fn(const_gimple gs)2148 gimple_call_internal_fn (const_gimple gs)
2149 {
2150   gcc_gimple_checking_assert (gimple_call_internal_p (gs));
2151   return gs->gimple_call.u.internal_fn;
2152 }
2153 
2154 
2155 /* Return the function type of the function called by GS.  */
2156 
2157 static inline tree
gimple_call_fntype(const_gimple gs)2158 gimple_call_fntype (const_gimple gs)
2159 {
2160   GIMPLE_CHECK (gs, GIMPLE_CALL);
2161   if (gimple_call_internal_p (gs))
2162     return NULL_TREE;
2163   return gs->gimple_call.u.fntype;
2164 }
2165 
2166 /* Set the type of the function called by GS to FNTYPE.  */
2167 
2168 static inline void
gimple_call_set_fntype(gimple gs,tree fntype)2169 gimple_call_set_fntype (gimple gs, tree fntype)
2170 {
2171   GIMPLE_CHECK (gs, GIMPLE_CALL);
2172   gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2173   gs->gimple_call.u.fntype = fntype;
2174 }
2175 
2176 
2177 /* Return the tree node representing the function called by call
2178    statement GS.  */
2179 
2180 static inline tree
gimple_call_fn(const_gimple gs)2181 gimple_call_fn (const_gimple gs)
2182 {
2183   GIMPLE_CHECK (gs, GIMPLE_CALL);
2184   return gimple_op (gs, 1);
2185 }
2186 
2187 /* Return a pointer to the tree node representing the function called by call
2188    statement GS.  */
2189 
2190 static inline tree *
gimple_call_fn_ptr(const_gimple gs)2191 gimple_call_fn_ptr (const_gimple gs)
2192 {
2193   GIMPLE_CHECK (gs, GIMPLE_CALL);
2194   return gimple_op_ptr (gs, 1);
2195 }
2196 
2197 
2198 /* Set FN to be the function called by call statement GS.  */
2199 
2200 static inline void
gimple_call_set_fn(gimple gs,tree fn)2201 gimple_call_set_fn (gimple gs, tree fn)
2202 {
2203   GIMPLE_CHECK (gs, GIMPLE_CALL);
2204   gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2205   gimple_set_op (gs, 1, fn);
2206 }
2207 
2208 
2209 /* Set FNDECL to be the function called by call statement GS.  */
2210 
2211 static inline void
gimple_call_set_fndecl(gimple gs,tree decl)2212 gimple_call_set_fndecl (gimple gs, tree decl)
2213 {
2214   GIMPLE_CHECK (gs, GIMPLE_CALL);
2215   gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2216   gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
2217 }
2218 
2219 
2220 /* Set internal function FN to be the function called by call statement GS.  */
2221 
2222 static inline void
gimple_call_set_internal_fn(gimple gs,enum internal_fn fn)2223 gimple_call_set_internal_fn (gimple gs, enum internal_fn fn)
2224 {
2225   GIMPLE_CHECK (gs, GIMPLE_CALL);
2226   gcc_gimple_checking_assert (gimple_call_internal_p (gs));
2227   gs->gimple_call.u.internal_fn = fn;
2228 }
2229 
2230 
2231 /* Given a valid GIMPLE_CALL function address return the FUNCTION_DECL
2232    associated with the callee if known.  Otherwise return NULL_TREE.  */
2233 
2234 static inline tree
gimple_call_addr_fndecl(const_tree fn)2235 gimple_call_addr_fndecl (const_tree fn)
2236 {
2237   if (fn && TREE_CODE (fn) == ADDR_EXPR)
2238     {
2239       tree fndecl = TREE_OPERAND (fn, 0);
2240       if (TREE_CODE (fndecl) == MEM_REF
2241 	  && TREE_CODE (TREE_OPERAND (fndecl, 0)) == ADDR_EXPR
2242 	  && integer_zerop (TREE_OPERAND (fndecl, 1)))
2243 	fndecl = TREE_OPERAND (TREE_OPERAND (fndecl, 0), 0);
2244       if (TREE_CODE (fndecl) == FUNCTION_DECL)
2245 	return fndecl;
2246     }
2247   return NULL_TREE;
2248 }
2249 
2250 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
2251    Otherwise return NULL.  This function is analogous to
2252    get_callee_fndecl in tree land.  */
2253 
2254 static inline tree
gimple_call_fndecl(const_gimple gs)2255 gimple_call_fndecl (const_gimple gs)
2256 {
2257   return gimple_call_addr_fndecl (gimple_call_fn (gs));
2258 }
2259 
2260 
2261 /* Return the type returned by call statement GS.  */
2262 
2263 static inline tree
gimple_call_return_type(const_gimple gs)2264 gimple_call_return_type (const_gimple gs)
2265 {
2266   tree type = gimple_call_fntype (gs);
2267 
2268   if (type == NULL_TREE)
2269     return TREE_TYPE (gimple_call_lhs (gs));
2270 
2271   /* The type returned by a function is the type of its
2272      function type.  */
2273   return TREE_TYPE (type);
2274 }
2275 
2276 
2277 /* Return the static chain for call statement GS.  */
2278 
2279 static inline tree
gimple_call_chain(const_gimple gs)2280 gimple_call_chain (const_gimple gs)
2281 {
2282   GIMPLE_CHECK (gs, GIMPLE_CALL);
2283   return gimple_op (gs, 2);
2284 }
2285 
2286 
2287 /* Return a pointer to the static chain for call statement GS.  */
2288 
2289 static inline tree *
gimple_call_chain_ptr(const_gimple gs)2290 gimple_call_chain_ptr (const_gimple gs)
2291 {
2292   GIMPLE_CHECK (gs, GIMPLE_CALL);
2293   return gimple_op_ptr (gs, 2);
2294 }
2295 
2296 /* Set CHAIN to be the static chain for call statement GS.  */
2297 
2298 static inline void
gimple_call_set_chain(gimple gs,tree chain)2299 gimple_call_set_chain (gimple gs, tree chain)
2300 {
2301   GIMPLE_CHECK (gs, GIMPLE_CALL);
2302 
2303   gimple_set_op (gs, 2, chain);
2304 }
2305 
2306 
2307 /* Return the number of arguments used by call statement GS.  */
2308 
2309 static inline unsigned
gimple_call_num_args(const_gimple gs)2310 gimple_call_num_args (const_gimple gs)
2311 {
2312   unsigned num_ops;
2313   GIMPLE_CHECK (gs, GIMPLE_CALL);
2314   num_ops = gimple_num_ops (gs);
2315   return num_ops - 3;
2316 }
2317 
2318 
2319 /* Return the argument at position INDEX for call statement GS.  */
2320 
2321 static inline tree
gimple_call_arg(const_gimple gs,unsigned index)2322 gimple_call_arg (const_gimple gs, unsigned index)
2323 {
2324   GIMPLE_CHECK (gs, GIMPLE_CALL);
2325   return gimple_op (gs, index + 3);
2326 }
2327 
2328 
2329 /* Return a pointer to the argument at position INDEX for call
2330    statement GS.  */
2331 
2332 static inline tree *
gimple_call_arg_ptr(const_gimple gs,unsigned index)2333 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2334 {
2335   GIMPLE_CHECK (gs, GIMPLE_CALL);
2336   return gimple_op_ptr (gs, index + 3);
2337 }
2338 
2339 
2340 /* Set ARG to be the argument at position INDEX for call statement GS.  */
2341 
2342 static inline void
gimple_call_set_arg(gimple gs,unsigned index,tree arg)2343 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2344 {
2345   GIMPLE_CHECK (gs, GIMPLE_CALL);
2346   gimple_set_op (gs, index + 3, arg);
2347 }
2348 
2349 
2350 /* If TAIL_P is true, mark call statement S as being a tail call
2351    (i.e., a call just before the exit of a function).  These calls are
2352    candidate for tail call optimization.  */
2353 
2354 static inline void
gimple_call_set_tail(gimple s,bool tail_p)2355 gimple_call_set_tail (gimple s, bool tail_p)
2356 {
2357   GIMPLE_CHECK (s, GIMPLE_CALL);
2358   if (tail_p)
2359     s->gsbase.subcode |= GF_CALL_TAILCALL;
2360   else
2361     s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2362 }
2363 
2364 
2365 /* Return true if GIMPLE_CALL S is marked as a tail call.  */
2366 
2367 static inline bool
gimple_call_tail_p(gimple s)2368 gimple_call_tail_p (gimple s)
2369 {
2370   GIMPLE_CHECK (s, GIMPLE_CALL);
2371   return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2372 }
2373 
2374 
2375 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2376    slot optimization.  This transformation uses the target of the call
2377    expansion as the return slot for calls that return in memory.  */
2378 
2379 static inline void
gimple_call_set_return_slot_opt(gimple s,bool return_slot_opt_p)2380 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2381 {
2382   GIMPLE_CHECK (s, GIMPLE_CALL);
2383   if (return_slot_opt_p)
2384     s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2385   else
2386     s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2387 }
2388 
2389 
2390 /* Return true if S is marked for return slot optimization.  */
2391 
2392 static inline bool
gimple_call_return_slot_opt_p(gimple s)2393 gimple_call_return_slot_opt_p (gimple s)
2394 {
2395   GIMPLE_CHECK (s, GIMPLE_CALL);
2396   return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2397 }
2398 
2399 
2400 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2401    thunk to the thunked-to function.  */
2402 
2403 static inline void
gimple_call_set_from_thunk(gimple s,bool from_thunk_p)2404 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2405 {
2406   GIMPLE_CHECK (s, GIMPLE_CALL);
2407   if (from_thunk_p)
2408     s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2409   else
2410     s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2411 }
2412 
2413 
2414 /* Return true if GIMPLE_CALL S is a jump from a thunk.  */
2415 
2416 static inline bool
gimple_call_from_thunk_p(gimple s)2417 gimple_call_from_thunk_p (gimple s)
2418 {
2419   GIMPLE_CHECK (s, GIMPLE_CALL);
2420   return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2421 }
2422 
2423 
2424 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2425    argument pack in its argument list.  */
2426 
2427 static inline void
gimple_call_set_va_arg_pack(gimple s,bool pass_arg_pack_p)2428 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2429 {
2430   GIMPLE_CHECK (s, GIMPLE_CALL);
2431   if (pass_arg_pack_p)
2432     s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2433   else
2434     s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2435 }
2436 
2437 
2438 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2439    argument pack in its argument list.  */
2440 
2441 static inline bool
gimple_call_va_arg_pack_p(gimple s)2442 gimple_call_va_arg_pack_p (gimple s)
2443 {
2444   GIMPLE_CHECK (s, GIMPLE_CALL);
2445   return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2446 }
2447 
2448 
2449 /* Return true if S is a noreturn call.  */
2450 
2451 static inline bool
gimple_call_noreturn_p(gimple s)2452 gimple_call_noreturn_p (gimple s)
2453 {
2454   GIMPLE_CHECK (s, GIMPLE_CALL);
2455   return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2456 }
2457 
2458 
2459 /* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw
2460    even if the called function can throw in other cases.  */
2461 
2462 static inline void
gimple_call_set_nothrow(gimple s,bool nothrow_p)2463 gimple_call_set_nothrow (gimple s, bool nothrow_p)
2464 {
2465   GIMPLE_CHECK (s, GIMPLE_CALL);
2466   if (nothrow_p)
2467     s->gsbase.subcode |= GF_CALL_NOTHROW;
2468   else
2469     s->gsbase.subcode &= ~GF_CALL_NOTHROW;
2470 }
2471 
2472 /* Return true if S is a nothrow call.  */
2473 
2474 static inline bool
gimple_call_nothrow_p(gimple s)2475 gimple_call_nothrow_p (gimple s)
2476 {
2477   GIMPLE_CHECK (s, GIMPLE_CALL);
2478   return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2479 }
2480 
2481 /* If FOR_VAR is true, GIMPLE_CALL S is a call to builtin_alloca that
2482    is known to be emitted for VLA objects.  Those are wrapped by
2483    stack_save/stack_restore calls and hence can't lead to unbounded
2484    stack growth even when they occur in loops.  */
2485 
2486 static inline void
gimple_call_set_alloca_for_var(gimple s,bool for_var)2487 gimple_call_set_alloca_for_var (gimple s, bool for_var)
2488 {
2489   GIMPLE_CHECK (s, GIMPLE_CALL);
2490   if (for_var)
2491     s->gsbase.subcode |= GF_CALL_ALLOCA_FOR_VAR;
2492   else
2493     s->gsbase.subcode &= ~GF_CALL_ALLOCA_FOR_VAR;
2494 }
2495 
2496 /* Return true of S is a call to builtin_alloca emitted for VLA objects.  */
2497 
2498 static inline bool
gimple_call_alloca_for_var_p(gimple s)2499 gimple_call_alloca_for_var_p (gimple s)
2500 {
2501   GIMPLE_CHECK (s, GIMPLE_CALL);
2502   return (s->gsbase.subcode & GF_CALL_ALLOCA_FOR_VAR) != 0;
2503 }
2504 
2505 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL.  */
2506 
2507 static inline void
gimple_call_copy_flags(gimple dest_call,gimple orig_call)2508 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2509 {
2510   GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2511   GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2512   dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2513 }
2514 
2515 
2516 /* Return a pointer to the points-to solution for the set of call-used
2517    variables of the call CALL.  */
2518 
2519 static inline struct pt_solution *
gimple_call_use_set(gimple call)2520 gimple_call_use_set (gimple call)
2521 {
2522   GIMPLE_CHECK (call, GIMPLE_CALL);
2523   return &call->gimple_call.call_used;
2524 }
2525 
2526 
2527 /* Return a pointer to the points-to solution for the set of call-used
2528    variables of the call CALL.  */
2529 
2530 static inline struct pt_solution *
gimple_call_clobber_set(gimple call)2531 gimple_call_clobber_set (gimple call)
2532 {
2533   GIMPLE_CHECK (call, GIMPLE_CALL);
2534   return &call->gimple_call.call_clobbered;
2535 }
2536 
2537 
2538 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2539    non-NULL lhs.  */
2540 
2541 static inline bool
gimple_has_lhs(gimple stmt)2542 gimple_has_lhs (gimple stmt)
2543 {
2544   return (is_gimple_assign (stmt)
2545 	  || (is_gimple_call (stmt)
2546 	      && gimple_call_lhs (stmt) != NULL_TREE));
2547 }
2548 
2549 
2550 /* Return the code of the predicate computed by conditional statement GS.  */
2551 
2552 static inline enum tree_code
gimple_cond_code(const_gimple gs)2553 gimple_cond_code (const_gimple gs)
2554 {
2555   GIMPLE_CHECK (gs, GIMPLE_COND);
2556   return (enum tree_code) gs->gsbase.subcode;
2557 }
2558 
2559 
2560 /* Set CODE to be the predicate code for the conditional statement GS.  */
2561 
2562 static inline void
gimple_cond_set_code(gimple gs,enum tree_code code)2563 gimple_cond_set_code (gimple gs, enum tree_code code)
2564 {
2565   GIMPLE_CHECK (gs, GIMPLE_COND);
2566   gs->gsbase.subcode = code;
2567 }
2568 
2569 
2570 /* Return the LHS of the predicate computed by conditional statement GS.  */
2571 
2572 static inline tree
gimple_cond_lhs(const_gimple gs)2573 gimple_cond_lhs (const_gimple gs)
2574 {
2575   GIMPLE_CHECK (gs, GIMPLE_COND);
2576   return gimple_op (gs, 0);
2577 }
2578 
2579 /* Return the pointer to the LHS of the predicate computed by conditional
2580    statement GS.  */
2581 
2582 static inline tree *
gimple_cond_lhs_ptr(const_gimple gs)2583 gimple_cond_lhs_ptr (const_gimple gs)
2584 {
2585   GIMPLE_CHECK (gs, GIMPLE_COND);
2586   return gimple_op_ptr (gs, 0);
2587 }
2588 
2589 /* Set LHS to be the LHS operand of the predicate computed by
2590    conditional statement GS.  */
2591 
2592 static inline void
gimple_cond_set_lhs(gimple gs,tree lhs)2593 gimple_cond_set_lhs (gimple gs, tree lhs)
2594 {
2595   GIMPLE_CHECK (gs, GIMPLE_COND);
2596   gimple_set_op (gs, 0, lhs);
2597 }
2598 
2599 
2600 /* Return the RHS operand of the predicate computed by conditional GS.  */
2601 
2602 static inline tree
gimple_cond_rhs(const_gimple gs)2603 gimple_cond_rhs (const_gimple gs)
2604 {
2605   GIMPLE_CHECK (gs, GIMPLE_COND);
2606   return gimple_op (gs, 1);
2607 }
2608 
2609 /* Return the pointer to the RHS operand of the predicate computed by
2610    conditional GS.  */
2611 
2612 static inline tree *
gimple_cond_rhs_ptr(const_gimple gs)2613 gimple_cond_rhs_ptr (const_gimple gs)
2614 {
2615   GIMPLE_CHECK (gs, GIMPLE_COND);
2616   return gimple_op_ptr (gs, 1);
2617 }
2618 
2619 
2620 /* Set RHS to be the RHS operand of the predicate computed by
2621    conditional statement GS.  */
2622 
2623 static inline void
gimple_cond_set_rhs(gimple gs,tree rhs)2624 gimple_cond_set_rhs (gimple gs, tree rhs)
2625 {
2626   GIMPLE_CHECK (gs, GIMPLE_COND);
2627   gimple_set_op (gs, 1, rhs);
2628 }
2629 
2630 
2631 /* Return the label used by conditional statement GS when its
2632    predicate evaluates to true.  */
2633 
2634 static inline tree
gimple_cond_true_label(const_gimple gs)2635 gimple_cond_true_label (const_gimple gs)
2636 {
2637   GIMPLE_CHECK (gs, GIMPLE_COND);
2638   return gimple_op (gs, 2);
2639 }
2640 
2641 
2642 /* Set LABEL to be the label used by conditional statement GS when its
2643    predicate evaluates to true.  */
2644 
2645 static inline void
gimple_cond_set_true_label(gimple gs,tree label)2646 gimple_cond_set_true_label (gimple gs, tree label)
2647 {
2648   GIMPLE_CHECK (gs, GIMPLE_COND);
2649   gimple_set_op (gs, 2, label);
2650 }
2651 
2652 
2653 /* Set LABEL to be the label used by conditional statement GS when its
2654    predicate evaluates to false.  */
2655 
2656 static inline void
gimple_cond_set_false_label(gimple gs,tree label)2657 gimple_cond_set_false_label (gimple gs, tree label)
2658 {
2659   GIMPLE_CHECK (gs, GIMPLE_COND);
2660   gimple_set_op (gs, 3, label);
2661 }
2662 
2663 
2664 /* Return the label used by conditional statement GS when its
2665    predicate evaluates to false.  */
2666 
2667 static inline tree
gimple_cond_false_label(const_gimple gs)2668 gimple_cond_false_label (const_gimple gs)
2669 {
2670   GIMPLE_CHECK (gs, GIMPLE_COND);
2671   return gimple_op (gs, 3);
2672 }
2673 
2674 
2675 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'.  */
2676 
2677 static inline void
gimple_cond_make_false(gimple gs)2678 gimple_cond_make_false (gimple gs)
2679 {
2680   gimple_cond_set_lhs (gs, boolean_true_node);
2681   gimple_cond_set_rhs (gs, boolean_false_node);
2682   gs->gsbase.subcode = EQ_EXPR;
2683 }
2684 
2685 
2686 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'.  */
2687 
2688 static inline void
gimple_cond_make_true(gimple gs)2689 gimple_cond_make_true (gimple gs)
2690 {
2691   gimple_cond_set_lhs (gs, boolean_true_node);
2692   gimple_cond_set_rhs (gs, boolean_true_node);
2693   gs->gsbase.subcode = EQ_EXPR;
2694 }
2695 
2696 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2697   'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2698 
2699 static inline bool
gimple_cond_true_p(const_gimple gs)2700 gimple_cond_true_p (const_gimple gs)
2701 {
2702   tree lhs = gimple_cond_lhs (gs);
2703   tree rhs = gimple_cond_rhs (gs);
2704   enum tree_code code = gimple_cond_code (gs);
2705 
2706   if (lhs != boolean_true_node && lhs != boolean_false_node)
2707     return false;
2708 
2709   if (rhs != boolean_true_node && rhs != boolean_false_node)
2710     return false;
2711 
2712   if (code == NE_EXPR && lhs != rhs)
2713     return true;
2714 
2715   if (code == EQ_EXPR && lhs == rhs)
2716       return true;
2717 
2718   return false;
2719 }
2720 
2721 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2722    'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2723 
2724 static inline bool
gimple_cond_false_p(const_gimple gs)2725 gimple_cond_false_p (const_gimple gs)
2726 {
2727   tree lhs = gimple_cond_lhs (gs);
2728   tree rhs = gimple_cond_rhs (gs);
2729   enum tree_code code = gimple_cond_code (gs);
2730 
2731   if (lhs != boolean_true_node && lhs != boolean_false_node)
2732     return false;
2733 
2734   if (rhs != boolean_true_node && rhs != boolean_false_node)
2735     return false;
2736 
2737   if (code == NE_EXPR && lhs == rhs)
2738     return true;
2739 
2740   if (code == EQ_EXPR && lhs != rhs)
2741       return true;
2742 
2743   return false;
2744 }
2745 
2746 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2747    'if (var == 1)' */
2748 
2749 static inline bool
gimple_cond_single_var_p(gimple gs)2750 gimple_cond_single_var_p (gimple gs)
2751 {
2752   if (gimple_cond_code (gs) == NE_EXPR
2753       && gimple_cond_rhs (gs) == boolean_false_node)
2754     return true;
2755 
2756   if (gimple_cond_code (gs) == EQ_EXPR
2757       && gimple_cond_rhs (gs) == boolean_true_node)
2758     return true;
2759 
2760   return false;
2761 }
2762 
2763 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS.  */
2764 
2765 static inline void
gimple_cond_set_condition(gimple stmt,enum tree_code code,tree lhs,tree rhs)2766 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2767 {
2768   gimple_cond_set_code (stmt, code);
2769   gimple_cond_set_lhs (stmt, lhs);
2770   gimple_cond_set_rhs (stmt, rhs);
2771 }
2772 
2773 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS.  */
2774 
2775 static inline tree
gimple_label_label(const_gimple gs)2776 gimple_label_label (const_gimple gs)
2777 {
2778   GIMPLE_CHECK (gs, GIMPLE_LABEL);
2779   return gimple_op (gs, 0);
2780 }
2781 
2782 
2783 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2784    GS.  */
2785 
2786 static inline void
gimple_label_set_label(gimple gs,tree label)2787 gimple_label_set_label (gimple gs, tree label)
2788 {
2789   GIMPLE_CHECK (gs, GIMPLE_LABEL);
2790   gimple_set_op (gs, 0, label);
2791 }
2792 
2793 
2794 /* Return the destination of the unconditional jump GS.  */
2795 
2796 static inline tree
gimple_goto_dest(const_gimple gs)2797 gimple_goto_dest (const_gimple gs)
2798 {
2799   GIMPLE_CHECK (gs, GIMPLE_GOTO);
2800   return gimple_op (gs, 0);
2801 }
2802 
2803 
2804 /* Set DEST to be the destination of the unconditonal jump GS.  */
2805 
2806 static inline void
gimple_goto_set_dest(gimple gs,tree dest)2807 gimple_goto_set_dest (gimple gs, tree dest)
2808 {
2809   GIMPLE_CHECK (gs, GIMPLE_GOTO);
2810   gimple_set_op (gs, 0, dest);
2811 }
2812 
2813 
2814 /* Return the variables declared in the GIMPLE_BIND statement GS.  */
2815 
2816 static inline tree
gimple_bind_vars(const_gimple gs)2817 gimple_bind_vars (const_gimple gs)
2818 {
2819   GIMPLE_CHECK (gs, GIMPLE_BIND);
2820   return gs->gimple_bind.vars;
2821 }
2822 
2823 
2824 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2825    statement GS.  */
2826 
2827 static inline void
gimple_bind_set_vars(gimple gs,tree vars)2828 gimple_bind_set_vars (gimple gs, tree vars)
2829 {
2830   GIMPLE_CHECK (gs, GIMPLE_BIND);
2831   gs->gimple_bind.vars = vars;
2832 }
2833 
2834 
2835 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2836    statement GS.  */
2837 
2838 static inline void
gimple_bind_append_vars(gimple gs,tree vars)2839 gimple_bind_append_vars (gimple gs, tree vars)
2840 {
2841   GIMPLE_CHECK (gs, GIMPLE_BIND);
2842   gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2843 }
2844 
2845 
2846 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS.  */
2847 
2848 static inline gimple_seq
gimple_bind_body(gimple gs)2849 gimple_bind_body (gimple gs)
2850 {
2851   GIMPLE_CHECK (gs, GIMPLE_BIND);
2852   return gs->gimple_bind.body;
2853 }
2854 
2855 
2856 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2857    statement GS.  */
2858 
2859 static inline void
gimple_bind_set_body(gimple gs,gimple_seq seq)2860 gimple_bind_set_body (gimple gs, gimple_seq seq)
2861 {
2862   GIMPLE_CHECK (gs, GIMPLE_BIND);
2863   gs->gimple_bind.body = seq;
2864 }
2865 
2866 
2867 /* Append a statement to the end of a GIMPLE_BIND's body.  */
2868 
2869 static inline void
gimple_bind_add_stmt(gimple gs,gimple stmt)2870 gimple_bind_add_stmt (gimple gs, gimple stmt)
2871 {
2872   GIMPLE_CHECK (gs, GIMPLE_BIND);
2873   gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2874 }
2875 
2876 
2877 /* Append a sequence of statements to the end of a GIMPLE_BIND's body.  */
2878 
2879 static inline void
gimple_bind_add_seq(gimple gs,gimple_seq seq)2880 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2881 {
2882   GIMPLE_CHECK (gs, GIMPLE_BIND);
2883   gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2884 }
2885 
2886 
2887 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2888    GS.  This is analogous to the BIND_EXPR_BLOCK field in trees.  */
2889 
2890 static inline tree
gimple_bind_block(const_gimple gs)2891 gimple_bind_block (const_gimple gs)
2892 {
2893   GIMPLE_CHECK (gs, GIMPLE_BIND);
2894   return gs->gimple_bind.block;
2895 }
2896 
2897 
2898 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2899    statement GS.  */
2900 
2901 static inline void
gimple_bind_set_block(gimple gs,tree block)2902 gimple_bind_set_block (gimple gs, tree block)
2903 {
2904   GIMPLE_CHECK (gs, GIMPLE_BIND);
2905   gcc_gimple_checking_assert (block == NULL_TREE
2906 			      || TREE_CODE (block) == BLOCK);
2907   gs->gimple_bind.block = block;
2908 }
2909 
2910 
2911 /* Return the number of input operands for GIMPLE_ASM GS.  */
2912 
2913 static inline unsigned
gimple_asm_ninputs(const_gimple gs)2914 gimple_asm_ninputs (const_gimple gs)
2915 {
2916   GIMPLE_CHECK (gs, GIMPLE_ASM);
2917   return gs->gimple_asm.ni;
2918 }
2919 
2920 
2921 /* Return the number of output operands for GIMPLE_ASM GS.  */
2922 
2923 static inline unsigned
gimple_asm_noutputs(const_gimple gs)2924 gimple_asm_noutputs (const_gimple gs)
2925 {
2926   GIMPLE_CHECK (gs, GIMPLE_ASM);
2927   return gs->gimple_asm.no;
2928 }
2929 
2930 
2931 /* Return the number of clobber operands for GIMPLE_ASM GS.  */
2932 
2933 static inline unsigned
gimple_asm_nclobbers(const_gimple gs)2934 gimple_asm_nclobbers (const_gimple gs)
2935 {
2936   GIMPLE_CHECK (gs, GIMPLE_ASM);
2937   return gs->gimple_asm.nc;
2938 }
2939 
2940 /* Return the number of label operands for GIMPLE_ASM GS.  */
2941 
2942 static inline unsigned
gimple_asm_nlabels(const_gimple gs)2943 gimple_asm_nlabels (const_gimple gs)
2944 {
2945   GIMPLE_CHECK (gs, GIMPLE_ASM);
2946   return gs->gimple_asm.nl;
2947 }
2948 
2949 /* Return input operand INDEX of GIMPLE_ASM GS.  */
2950 
2951 static inline tree
gimple_asm_input_op(const_gimple gs,unsigned index)2952 gimple_asm_input_op (const_gimple gs, unsigned index)
2953 {
2954   GIMPLE_CHECK (gs, GIMPLE_ASM);
2955   gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2956   return gimple_op (gs, index);
2957 }
2958 
2959 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS.  */
2960 
2961 static inline tree *
gimple_asm_input_op_ptr(const_gimple gs,unsigned index)2962 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2963 {
2964   GIMPLE_CHECK (gs, GIMPLE_ASM);
2965   gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2966   return gimple_op_ptr (gs, index);
2967 }
2968 
2969 
2970 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS.  */
2971 
2972 static inline void
gimple_asm_set_input_op(gimple gs,unsigned index,tree in_op)2973 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2974 {
2975   GIMPLE_CHECK (gs, GIMPLE_ASM);
2976   gcc_gimple_checking_assert (index <= gs->gimple_asm.ni
2977 			      && TREE_CODE (in_op) == TREE_LIST);
2978   gimple_set_op (gs, index, in_op);
2979 }
2980 
2981 
2982 /* Return output operand INDEX of GIMPLE_ASM GS.  */
2983 
2984 static inline tree
gimple_asm_output_op(const_gimple gs,unsigned index)2985 gimple_asm_output_op (const_gimple gs, unsigned index)
2986 {
2987   GIMPLE_CHECK (gs, GIMPLE_ASM);
2988   gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2989   return gimple_op (gs, index + gs->gimple_asm.ni);
2990 }
2991 
2992 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS.  */
2993 
2994 static inline tree *
gimple_asm_output_op_ptr(const_gimple gs,unsigned index)2995 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2996 {
2997   GIMPLE_CHECK (gs, GIMPLE_ASM);
2998   gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2999   return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
3000 }
3001 
3002 
3003 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS.  */
3004 
3005 static inline void
gimple_asm_set_output_op(gimple gs,unsigned index,tree out_op)3006 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
3007 {
3008   GIMPLE_CHECK (gs, GIMPLE_ASM);
3009   gcc_gimple_checking_assert (index <= gs->gimple_asm.no
3010 			      && TREE_CODE (out_op) == TREE_LIST);
3011   gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
3012 }
3013 
3014 
3015 /* Return clobber operand INDEX of GIMPLE_ASM GS.  */
3016 
3017 static inline tree
gimple_asm_clobber_op(const_gimple gs,unsigned index)3018 gimple_asm_clobber_op (const_gimple gs, unsigned index)
3019 {
3020   GIMPLE_CHECK (gs, GIMPLE_ASM);
3021   gcc_gimple_checking_assert (index <= gs->gimple_asm.nc);
3022   return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
3023 }
3024 
3025 
3026 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS.  */
3027 
3028 static inline void
gimple_asm_set_clobber_op(gimple gs,unsigned index,tree clobber_op)3029 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
3030 {
3031   GIMPLE_CHECK (gs, GIMPLE_ASM);
3032   gcc_gimple_checking_assert (index <= gs->gimple_asm.nc
3033 			      && TREE_CODE (clobber_op) == TREE_LIST);
3034   gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
3035 }
3036 
3037 /* Return label operand INDEX of GIMPLE_ASM GS.  */
3038 
3039 static inline tree
gimple_asm_label_op(const_gimple gs,unsigned index)3040 gimple_asm_label_op (const_gimple gs, unsigned index)
3041 {
3042   GIMPLE_CHECK (gs, GIMPLE_ASM);
3043   gcc_gimple_checking_assert (index <= gs->gimple_asm.nl);
3044   return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
3045 }
3046 
3047 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS.  */
3048 
3049 static inline void
gimple_asm_set_label_op(gimple gs,unsigned index,tree label_op)3050 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
3051 {
3052   GIMPLE_CHECK (gs, GIMPLE_ASM);
3053   gcc_gimple_checking_assert (index <= gs->gimple_asm.nl
3054 			      && TREE_CODE (label_op) == TREE_LIST);
3055   gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
3056 }
3057 
3058 /* Return the string representing the assembly instruction in
3059    GIMPLE_ASM GS.  */
3060 
3061 static inline const char *
gimple_asm_string(const_gimple gs)3062 gimple_asm_string (const_gimple gs)
3063 {
3064   GIMPLE_CHECK (gs, GIMPLE_ASM);
3065   return gs->gimple_asm.string;
3066 }
3067 
3068 
3069 /* Return true if GS is an asm statement marked volatile.  */
3070 
3071 static inline bool
gimple_asm_volatile_p(const_gimple gs)3072 gimple_asm_volatile_p (const_gimple gs)
3073 {
3074   GIMPLE_CHECK (gs, GIMPLE_ASM);
3075   return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
3076 }
3077 
3078 
3079 /* If VOLATLE_P is true, mark asm statement GS as volatile.  */
3080 
3081 static inline void
gimple_asm_set_volatile(gimple gs,bool volatile_p)3082 gimple_asm_set_volatile (gimple gs, bool volatile_p)
3083 {
3084   GIMPLE_CHECK (gs, GIMPLE_ASM);
3085   if (volatile_p)
3086     gs->gsbase.subcode |= GF_ASM_VOLATILE;
3087   else
3088     gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
3089 }
3090 
3091 
3092 /* If INPUT_P is true, mark asm GS as an ASM_INPUT.  */
3093 
3094 static inline void
gimple_asm_set_input(gimple gs,bool input_p)3095 gimple_asm_set_input (gimple gs, bool input_p)
3096 {
3097   GIMPLE_CHECK (gs, GIMPLE_ASM);
3098   if (input_p)
3099     gs->gsbase.subcode |= GF_ASM_INPUT;
3100   else
3101     gs->gsbase.subcode &= ~GF_ASM_INPUT;
3102 }
3103 
3104 
3105 /* Return true if asm GS is an ASM_INPUT.  */
3106 
3107 static inline bool
gimple_asm_input_p(const_gimple gs)3108 gimple_asm_input_p (const_gimple gs)
3109 {
3110   GIMPLE_CHECK (gs, GIMPLE_ASM);
3111   return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
3112 }
3113 
3114 
3115 /* Return the types handled by GIMPLE_CATCH statement GS.  */
3116 
3117 static inline tree
gimple_catch_types(const_gimple gs)3118 gimple_catch_types (const_gimple gs)
3119 {
3120   GIMPLE_CHECK (gs, GIMPLE_CATCH);
3121   return gs->gimple_catch.types;
3122 }
3123 
3124 
3125 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS.  */
3126 
3127 static inline tree *
gimple_catch_types_ptr(gimple gs)3128 gimple_catch_types_ptr (gimple gs)
3129 {
3130   GIMPLE_CHECK (gs, GIMPLE_CATCH);
3131   return &gs->gimple_catch.types;
3132 }
3133 
3134 
3135 /* Return the GIMPLE sequence representing the body of the handler of
3136    GIMPLE_CATCH statement GS.  */
3137 
3138 static inline gimple_seq
gimple_catch_handler(gimple gs)3139 gimple_catch_handler (gimple gs)
3140 {
3141   GIMPLE_CHECK (gs, GIMPLE_CATCH);
3142   return gs->gimple_catch.handler;
3143 }
3144 
3145 
3146 /* Return a pointer to the GIMPLE sequence representing the body of
3147    the handler of GIMPLE_CATCH statement GS.  */
3148 
3149 static inline gimple_seq *
gimple_catch_handler_ptr(gimple gs)3150 gimple_catch_handler_ptr (gimple gs)
3151 {
3152   GIMPLE_CHECK (gs, GIMPLE_CATCH);
3153   return &gs->gimple_catch.handler;
3154 }
3155 
3156 
3157 /* Set T to be the set of types handled by GIMPLE_CATCH GS.  */
3158 
3159 static inline void
gimple_catch_set_types(gimple gs,tree t)3160 gimple_catch_set_types (gimple gs, tree t)
3161 {
3162   GIMPLE_CHECK (gs, GIMPLE_CATCH);
3163   gs->gimple_catch.types = t;
3164 }
3165 
3166 
3167 /* Set HANDLER to be the body of GIMPLE_CATCH GS.  */
3168 
3169 static inline void
gimple_catch_set_handler(gimple gs,gimple_seq handler)3170 gimple_catch_set_handler (gimple gs, gimple_seq handler)
3171 {
3172   GIMPLE_CHECK (gs, GIMPLE_CATCH);
3173   gs->gimple_catch.handler = handler;
3174 }
3175 
3176 
3177 /* Return the types handled by GIMPLE_EH_FILTER statement GS.  */
3178 
3179 static inline tree
gimple_eh_filter_types(const_gimple gs)3180 gimple_eh_filter_types (const_gimple gs)
3181 {
3182   GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3183   return gs->gimple_eh_filter.types;
3184 }
3185 
3186 
3187 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
3188    GS.  */
3189 
3190 static inline tree *
gimple_eh_filter_types_ptr(gimple gs)3191 gimple_eh_filter_types_ptr (gimple gs)
3192 {
3193   GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3194   return &gs->gimple_eh_filter.types;
3195 }
3196 
3197 
3198 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
3199    statement fails.  */
3200 
3201 static inline gimple_seq
gimple_eh_filter_failure(gimple gs)3202 gimple_eh_filter_failure (gimple gs)
3203 {
3204   GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3205   return gs->gimple_eh_filter.failure;
3206 }
3207 
3208 
3209 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS.  */
3210 
3211 static inline void
gimple_eh_filter_set_types(gimple gs,tree types)3212 gimple_eh_filter_set_types (gimple gs, tree types)
3213 {
3214   GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3215   gs->gimple_eh_filter.types = types;
3216 }
3217 
3218 
3219 /* Set FAILURE to be the sequence of statements to execute on failure
3220    for GIMPLE_EH_FILTER GS.  */
3221 
3222 static inline void
gimple_eh_filter_set_failure(gimple gs,gimple_seq failure)3223 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
3224 {
3225   GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3226   gs->gimple_eh_filter.failure = failure;
3227 }
3228 
3229 /* Get the function decl to be called by the MUST_NOT_THROW region.  */
3230 
3231 static inline tree
gimple_eh_must_not_throw_fndecl(gimple gs)3232 gimple_eh_must_not_throw_fndecl (gimple gs)
3233 {
3234   GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3235   return gs->gimple_eh_mnt.fndecl;
3236 }
3237 
3238 /* Set the function decl to be called by GS to DECL.  */
3239 
3240 static inline void
gimple_eh_must_not_throw_set_fndecl(gimple gs,tree decl)3241 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
3242 {
3243   GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3244   gs->gimple_eh_mnt.fndecl = decl;
3245 }
3246 
3247 /* GIMPLE_EH_ELSE accessors.  */
3248 
3249 static inline gimple_seq
gimple_eh_else_n_body(gimple gs)3250 gimple_eh_else_n_body (gimple gs)
3251 {
3252   GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3253   return gs->gimple_eh_else.n_body;
3254 }
3255 
3256 static inline gimple_seq
gimple_eh_else_e_body(gimple gs)3257 gimple_eh_else_e_body (gimple gs)
3258 {
3259   GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3260   return gs->gimple_eh_else.e_body;
3261 }
3262 
3263 static inline void
gimple_eh_else_set_n_body(gimple gs,gimple_seq seq)3264 gimple_eh_else_set_n_body (gimple gs, gimple_seq seq)
3265 {
3266   GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3267   gs->gimple_eh_else.n_body = seq;
3268 }
3269 
3270 static inline void
gimple_eh_else_set_e_body(gimple gs,gimple_seq seq)3271 gimple_eh_else_set_e_body (gimple gs, gimple_seq seq)
3272 {
3273   GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3274   gs->gimple_eh_else.e_body = seq;
3275 }
3276 
3277 /* GIMPLE_TRY accessors. */
3278 
3279 /* Return the kind of try block represented by GIMPLE_TRY GS.  This is
3280    either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY.  */
3281 
3282 static inline enum gimple_try_flags
gimple_try_kind(const_gimple gs)3283 gimple_try_kind (const_gimple gs)
3284 {
3285   GIMPLE_CHECK (gs, GIMPLE_TRY);
3286   return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
3287 }
3288 
3289 
3290 /* Set the kind of try block represented by GIMPLE_TRY GS.  */
3291 
3292 static inline void
gimple_try_set_kind(gimple gs,enum gimple_try_flags kind)3293 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
3294 {
3295   GIMPLE_CHECK (gs, GIMPLE_TRY);
3296   gcc_gimple_checking_assert (kind == GIMPLE_TRY_CATCH
3297 			      || kind == GIMPLE_TRY_FINALLY);
3298   if (gimple_try_kind (gs) != kind)
3299     gs->gsbase.subcode = (unsigned int) kind;
3300 }
3301 
3302 
3303 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag.  */
3304 
3305 static inline bool
gimple_try_catch_is_cleanup(const_gimple gs)3306 gimple_try_catch_is_cleanup (const_gimple gs)
3307 {
3308   gcc_gimple_checking_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
3309   return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
3310 }
3311 
3312 
3313 /* Return the sequence of statements used as the body for GIMPLE_TRY GS.  */
3314 
3315 static inline gimple_seq
gimple_try_eval(gimple gs)3316 gimple_try_eval (gimple gs)
3317 {
3318   GIMPLE_CHECK (gs, GIMPLE_TRY);
3319   return gs->gimple_try.eval;
3320 }
3321 
3322 
3323 /* Return the sequence of statements used as the cleanup body for
3324    GIMPLE_TRY GS.  */
3325 
3326 static inline gimple_seq
gimple_try_cleanup(gimple gs)3327 gimple_try_cleanup (gimple gs)
3328 {
3329   GIMPLE_CHECK (gs, GIMPLE_TRY);
3330   return gs->gimple_try.cleanup;
3331 }
3332 
3333 
3334 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag.  */
3335 
3336 static inline void
gimple_try_set_catch_is_cleanup(gimple g,bool catch_is_cleanup)3337 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
3338 {
3339   gcc_gimple_checking_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
3340   if (catch_is_cleanup)
3341     g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
3342   else
3343     g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3344 }
3345 
3346 
3347 /* Set EVAL to be the sequence of statements to use as the body for
3348    GIMPLE_TRY GS.  */
3349 
3350 static inline void
gimple_try_set_eval(gimple gs,gimple_seq eval)3351 gimple_try_set_eval (gimple gs, gimple_seq eval)
3352 {
3353   GIMPLE_CHECK (gs, GIMPLE_TRY);
3354   gs->gimple_try.eval = eval;
3355 }
3356 
3357 
3358 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3359    body for GIMPLE_TRY GS.  */
3360 
3361 static inline void
gimple_try_set_cleanup(gimple gs,gimple_seq cleanup)3362 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3363 {
3364   GIMPLE_CHECK (gs, GIMPLE_TRY);
3365   gs->gimple_try.cleanup = cleanup;
3366 }
3367 
3368 
3369 /* Return the cleanup sequence for cleanup statement GS.  */
3370 
3371 static inline gimple_seq
gimple_wce_cleanup(gimple gs)3372 gimple_wce_cleanup (gimple gs)
3373 {
3374   GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3375   return gs->gimple_wce.cleanup;
3376 }
3377 
3378 
3379 /* Set CLEANUP to be the cleanup sequence for GS.  */
3380 
3381 static inline void
gimple_wce_set_cleanup(gimple gs,gimple_seq cleanup)3382 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3383 {
3384   GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3385   gs->gimple_wce.cleanup = cleanup;
3386 }
3387 
3388 
3389 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple.  */
3390 
3391 static inline bool
gimple_wce_cleanup_eh_only(const_gimple gs)3392 gimple_wce_cleanup_eh_only (const_gimple gs)
3393 {
3394   GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3395   return gs->gsbase.subcode != 0;
3396 }
3397 
3398 
3399 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple.  */
3400 
3401 static inline void
gimple_wce_set_cleanup_eh_only(gimple gs,bool eh_only_p)3402 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3403 {
3404   GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3405   gs->gsbase.subcode = (unsigned int) eh_only_p;
3406 }
3407 
3408 
3409 /* Return the maximum number of arguments supported by GIMPLE_PHI GS.  */
3410 
3411 static inline unsigned
gimple_phi_capacity(const_gimple gs)3412 gimple_phi_capacity (const_gimple gs)
3413 {
3414   GIMPLE_CHECK (gs, GIMPLE_PHI);
3415   return gs->gimple_phi.capacity;
3416 }
3417 
3418 
3419 /* Return the number of arguments in GIMPLE_PHI GS.  This must always
3420    be exactly the number of incoming edges for the basic block holding
3421    GS.  */
3422 
3423 static inline unsigned
gimple_phi_num_args(const_gimple gs)3424 gimple_phi_num_args (const_gimple gs)
3425 {
3426   GIMPLE_CHECK (gs, GIMPLE_PHI);
3427   return gs->gimple_phi.nargs;
3428 }
3429 
3430 
3431 /* Return the SSA name created by GIMPLE_PHI GS.  */
3432 
3433 static inline tree
gimple_phi_result(const_gimple gs)3434 gimple_phi_result (const_gimple gs)
3435 {
3436   GIMPLE_CHECK (gs, GIMPLE_PHI);
3437   return gs->gimple_phi.result;
3438 }
3439 
3440 /* Return a pointer to the SSA name created by GIMPLE_PHI GS.  */
3441 
3442 static inline tree *
gimple_phi_result_ptr(gimple gs)3443 gimple_phi_result_ptr (gimple gs)
3444 {
3445   GIMPLE_CHECK (gs, GIMPLE_PHI);
3446   return &gs->gimple_phi.result;
3447 }
3448 
3449 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS.  */
3450 
3451 static inline void
gimple_phi_set_result(gimple gs,tree result)3452 gimple_phi_set_result (gimple gs, tree result)
3453 {
3454   GIMPLE_CHECK (gs, GIMPLE_PHI);
3455   gs->gimple_phi.result = result;
3456 }
3457 
3458 
3459 /* Return the PHI argument corresponding to incoming edge INDEX for
3460    GIMPLE_PHI GS.  */
3461 
3462 static inline struct phi_arg_d *
gimple_phi_arg(gimple gs,unsigned index)3463 gimple_phi_arg (gimple gs, unsigned index)
3464 {
3465   GIMPLE_CHECK (gs, GIMPLE_PHI);
3466   gcc_gimple_checking_assert (index <= gs->gimple_phi.capacity);
3467   return &(gs->gimple_phi.args[index]);
3468 }
3469 
3470 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3471    for GIMPLE_PHI GS.  */
3472 
3473 static inline void
gimple_phi_set_arg(gimple gs,unsigned index,struct phi_arg_d * phiarg)3474 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3475 {
3476   GIMPLE_CHECK (gs, GIMPLE_PHI);
3477   gcc_gimple_checking_assert (index <= gs->gimple_phi.nargs);
3478   gs->gimple_phi.args[index] = *phiarg;
3479 }
3480 
3481 /* Return the region number for GIMPLE_RESX GS.  */
3482 
3483 static inline int
gimple_resx_region(const_gimple gs)3484 gimple_resx_region (const_gimple gs)
3485 {
3486   GIMPLE_CHECK (gs, GIMPLE_RESX);
3487   return gs->gimple_eh_ctrl.region;
3488 }
3489 
3490 /* Set REGION to be the region number for GIMPLE_RESX GS.  */
3491 
3492 static inline void
gimple_resx_set_region(gimple gs,int region)3493 gimple_resx_set_region (gimple gs, int region)
3494 {
3495   GIMPLE_CHECK (gs, GIMPLE_RESX);
3496   gs->gimple_eh_ctrl.region = region;
3497 }
3498 
3499 /* Return the region number for GIMPLE_EH_DISPATCH GS.  */
3500 
3501 static inline int
gimple_eh_dispatch_region(const_gimple gs)3502 gimple_eh_dispatch_region (const_gimple gs)
3503 {
3504   GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3505   return gs->gimple_eh_ctrl.region;
3506 }
3507 
3508 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS.  */
3509 
3510 static inline void
gimple_eh_dispatch_set_region(gimple gs,int region)3511 gimple_eh_dispatch_set_region (gimple gs, int region)
3512 {
3513   GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3514   gs->gimple_eh_ctrl.region = region;
3515 }
3516 
3517 /* Return the number of labels associated with the switch statement GS.  */
3518 
3519 static inline unsigned
gimple_switch_num_labels(const_gimple gs)3520 gimple_switch_num_labels (const_gimple gs)
3521 {
3522   unsigned num_ops;
3523   GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3524   num_ops = gimple_num_ops (gs);
3525   gcc_gimple_checking_assert (num_ops > 1);
3526   return num_ops - 1;
3527 }
3528 
3529 
3530 /* Set NLABELS to be the number of labels for the switch statement GS.  */
3531 
3532 static inline void
gimple_switch_set_num_labels(gimple g,unsigned nlabels)3533 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3534 {
3535   GIMPLE_CHECK (g, GIMPLE_SWITCH);
3536   gimple_set_num_ops (g, nlabels + 1);
3537 }
3538 
3539 
3540 /* Return the index variable used by the switch statement GS.  */
3541 
3542 static inline tree
gimple_switch_index(const_gimple gs)3543 gimple_switch_index (const_gimple gs)
3544 {
3545   GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3546   return gimple_op (gs, 0);
3547 }
3548 
3549 
3550 /* Return a pointer to the index variable for the switch statement GS.  */
3551 
3552 static inline tree *
gimple_switch_index_ptr(const_gimple gs)3553 gimple_switch_index_ptr (const_gimple gs)
3554 {
3555   GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3556   return gimple_op_ptr (gs, 0);
3557 }
3558 
3559 
3560 /* Set INDEX to be the index variable for switch statement GS.  */
3561 
3562 static inline void
gimple_switch_set_index(gimple gs,tree index)3563 gimple_switch_set_index (gimple gs, tree index)
3564 {
3565   GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3566   gcc_gimple_checking_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3567   gimple_set_op (gs, 0, index);
3568 }
3569 
3570 
3571 /* Return the label numbered INDEX.  The default label is 0, followed by any
3572    labels in a switch statement.  */
3573 
3574 static inline tree
gimple_switch_label(const_gimple gs,unsigned index)3575 gimple_switch_label (const_gimple gs, unsigned index)
3576 {
3577   GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3578   gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1);
3579   return gimple_op (gs, index + 1);
3580 }
3581 
3582 /* Set the label number INDEX to LABEL.  0 is always the default label.  */
3583 
3584 static inline void
gimple_switch_set_label(gimple gs,unsigned index,tree label)3585 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3586 {
3587   GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3588   gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1
3589 			      && (label == NULL_TREE
3590 			          || TREE_CODE (label) == CASE_LABEL_EXPR));
3591   gimple_set_op (gs, index + 1, label);
3592 }
3593 
3594 /* Return the default label for a switch statement.  */
3595 
3596 static inline tree
gimple_switch_default_label(const_gimple gs)3597 gimple_switch_default_label (const_gimple gs)
3598 {
3599   return gimple_switch_label (gs, 0);
3600 }
3601 
3602 /* Set the default label for a switch statement.  */
3603 
3604 static inline void
gimple_switch_set_default_label(gimple gs,tree label)3605 gimple_switch_set_default_label (gimple gs, tree label)
3606 {
3607   gimple_switch_set_label (gs, 0, label);
3608 }
3609 
3610 /* Return true if GS is a GIMPLE_DEBUG statement.  */
3611 
3612 static inline bool
is_gimple_debug(const_gimple gs)3613 is_gimple_debug (const_gimple gs)
3614 {
3615   return gimple_code (gs) == GIMPLE_DEBUG;
3616 }
3617 
3618 /* Return true if S is a GIMPLE_DEBUG BIND statement.  */
3619 
3620 static inline bool
gimple_debug_bind_p(const_gimple s)3621 gimple_debug_bind_p (const_gimple s)
3622 {
3623   if (is_gimple_debug (s))
3624     return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3625 
3626   return false;
3627 }
3628 
3629 /* Return the variable bound in a GIMPLE_DEBUG bind statement.  */
3630 
3631 static inline tree
gimple_debug_bind_get_var(gimple dbg)3632 gimple_debug_bind_get_var (gimple dbg)
3633 {
3634   GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3635   gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3636   return gimple_op (dbg, 0);
3637 }
3638 
3639 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3640    statement.  */
3641 
3642 static inline tree
gimple_debug_bind_get_value(gimple dbg)3643 gimple_debug_bind_get_value (gimple dbg)
3644 {
3645   GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3646   gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3647   return gimple_op (dbg, 1);
3648 }
3649 
3650 /* Return a pointer to the value bound to the variable in a
3651    GIMPLE_DEBUG bind statement.  */
3652 
3653 static inline tree *
gimple_debug_bind_get_value_ptr(gimple dbg)3654 gimple_debug_bind_get_value_ptr (gimple dbg)
3655 {
3656   GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3657   gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3658   return gimple_op_ptr (dbg, 1);
3659 }
3660 
3661 /* Set the variable bound in a GIMPLE_DEBUG bind statement.  */
3662 
3663 static inline void
gimple_debug_bind_set_var(gimple dbg,tree var)3664 gimple_debug_bind_set_var (gimple dbg, tree var)
3665 {
3666   GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3667   gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3668   gimple_set_op (dbg, 0, var);
3669 }
3670 
3671 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3672    statement.  */
3673 
3674 static inline void
gimple_debug_bind_set_value(gimple dbg,tree value)3675 gimple_debug_bind_set_value (gimple dbg, tree value)
3676 {
3677   GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3678   gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3679   gimple_set_op (dbg, 1, value);
3680 }
3681 
3682 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3683    optimized away.  */
3684 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3685 
3686 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3687    statement.  */
3688 
3689 static inline void
gimple_debug_bind_reset_value(gimple dbg)3690 gimple_debug_bind_reset_value (gimple dbg)
3691 {
3692   GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3693   gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3694   gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3695 }
3696 
3697 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3698    value.  */
3699 
3700 static inline bool
gimple_debug_bind_has_value_p(gimple dbg)3701 gimple_debug_bind_has_value_p (gimple dbg)
3702 {
3703   GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3704   gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3705   return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3706 }
3707 
3708 #undef GIMPLE_DEBUG_BIND_NOVALUE
3709 
3710 /* Return true if S is a GIMPLE_DEBUG SOURCE BIND statement.  */
3711 
3712 static inline bool
gimple_debug_source_bind_p(const_gimple s)3713 gimple_debug_source_bind_p (const_gimple s)
3714 {
3715   if (is_gimple_debug (s))
3716     return s->gsbase.subcode == GIMPLE_DEBUG_SOURCE_BIND;
3717 
3718   return false;
3719 }
3720 
3721 /* Return the variable bound in a GIMPLE_DEBUG source bind statement.  */
3722 
3723 static inline tree
gimple_debug_source_bind_get_var(gimple dbg)3724 gimple_debug_source_bind_get_var (gimple dbg)
3725 {
3726   GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3727   gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3728   return gimple_op (dbg, 0);
3729 }
3730 
3731 /* Return the value bound to the variable in a GIMPLE_DEBUG source bind
3732    statement.  */
3733 
3734 static inline tree
gimple_debug_source_bind_get_value(gimple dbg)3735 gimple_debug_source_bind_get_value (gimple dbg)
3736 {
3737   GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3738   gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3739   return gimple_op (dbg, 1);
3740 }
3741 
3742 /* Return a pointer to the value bound to the variable in a
3743    GIMPLE_DEBUG source bind statement.  */
3744 
3745 static inline tree *
gimple_debug_source_bind_get_value_ptr(gimple dbg)3746 gimple_debug_source_bind_get_value_ptr (gimple dbg)
3747 {
3748   GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3749   gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3750   return gimple_op_ptr (dbg, 1);
3751 }
3752 
3753 /* Set the variable bound in a GIMPLE_DEBUG source bind statement.  */
3754 
3755 static inline void
gimple_debug_source_bind_set_var(gimple dbg,tree var)3756 gimple_debug_source_bind_set_var (gimple dbg, tree var)
3757 {
3758   GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3759   gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3760   gimple_set_op (dbg, 0, var);
3761 }
3762 
3763 /* Set the value bound to the variable in a GIMPLE_DEBUG source bind
3764    statement.  */
3765 
3766 static inline void
gimple_debug_source_bind_set_value(gimple dbg,tree value)3767 gimple_debug_source_bind_set_value (gimple dbg, tree value)
3768 {
3769   GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3770   gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3771   gimple_set_op (dbg, 1, value);
3772 }
3773 
3774 /* Return the body for the OMP statement GS.  */
3775 
3776 static inline gimple_seq
gimple_omp_body(gimple gs)3777 gimple_omp_body (gimple gs)
3778 {
3779   return gs->omp.body;
3780 }
3781 
3782 /* Set BODY to be the body for the OMP statement GS.  */
3783 
3784 static inline void
gimple_omp_set_body(gimple gs,gimple_seq body)3785 gimple_omp_set_body (gimple gs, gimple_seq body)
3786 {
3787   gs->omp.body = body;
3788 }
3789 
3790 
3791 /* Return the name associated with OMP_CRITICAL statement GS.  */
3792 
3793 static inline tree
gimple_omp_critical_name(const_gimple gs)3794 gimple_omp_critical_name (const_gimple gs)
3795 {
3796   GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3797   return gs->gimple_omp_critical.name;
3798 }
3799 
3800 
3801 /* Return a pointer to the name associated with OMP critical statement GS.  */
3802 
3803 static inline tree *
gimple_omp_critical_name_ptr(gimple gs)3804 gimple_omp_critical_name_ptr (gimple gs)
3805 {
3806   GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3807   return &gs->gimple_omp_critical.name;
3808 }
3809 
3810 
3811 /* Set NAME to be the name associated with OMP critical statement GS.  */
3812 
3813 static inline void
gimple_omp_critical_set_name(gimple gs,tree name)3814 gimple_omp_critical_set_name (gimple gs, tree name)
3815 {
3816   GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3817   gs->gimple_omp_critical.name = name;
3818 }
3819 
3820 
3821 /* Return the clauses associated with OMP_FOR GS.  */
3822 
3823 static inline tree
gimple_omp_for_clauses(const_gimple gs)3824 gimple_omp_for_clauses (const_gimple gs)
3825 {
3826   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3827   return gs->gimple_omp_for.clauses;
3828 }
3829 
3830 
3831 /* Return a pointer to the OMP_FOR GS.  */
3832 
3833 static inline tree *
gimple_omp_for_clauses_ptr(gimple gs)3834 gimple_omp_for_clauses_ptr (gimple gs)
3835 {
3836   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3837   return &gs->gimple_omp_for.clauses;
3838 }
3839 
3840 
3841 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS.  */
3842 
3843 static inline void
gimple_omp_for_set_clauses(gimple gs,tree clauses)3844 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3845 {
3846   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3847   gs->gimple_omp_for.clauses = clauses;
3848 }
3849 
3850 
3851 /* Get the collapse count of OMP_FOR GS.  */
3852 
3853 static inline size_t
gimple_omp_for_collapse(gimple gs)3854 gimple_omp_for_collapse (gimple gs)
3855 {
3856   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3857   return gs->gimple_omp_for.collapse;
3858 }
3859 
3860 
3861 /* Return the index variable for OMP_FOR GS.  */
3862 
3863 static inline tree
gimple_omp_for_index(const_gimple gs,size_t i)3864 gimple_omp_for_index (const_gimple gs, size_t i)
3865 {
3866   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3867   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3868   return gs->gimple_omp_for.iter[i].index;
3869 }
3870 
3871 
3872 /* Return a pointer to the index variable for OMP_FOR GS.  */
3873 
3874 static inline tree *
gimple_omp_for_index_ptr(gimple gs,size_t i)3875 gimple_omp_for_index_ptr (gimple gs, size_t i)
3876 {
3877   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3878   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3879   return &gs->gimple_omp_for.iter[i].index;
3880 }
3881 
3882 
3883 /* Set INDEX to be the index variable for OMP_FOR GS.  */
3884 
3885 static inline void
gimple_omp_for_set_index(gimple gs,size_t i,tree index)3886 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3887 {
3888   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3889   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3890   gs->gimple_omp_for.iter[i].index = index;
3891 }
3892 
3893 
3894 /* Return the initial value for OMP_FOR GS.  */
3895 
3896 static inline tree
gimple_omp_for_initial(const_gimple gs,size_t i)3897 gimple_omp_for_initial (const_gimple gs, size_t i)
3898 {
3899   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3900   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3901   return gs->gimple_omp_for.iter[i].initial;
3902 }
3903 
3904 
3905 /* Return a pointer to the initial value for OMP_FOR GS.  */
3906 
3907 static inline tree *
gimple_omp_for_initial_ptr(gimple gs,size_t i)3908 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3909 {
3910   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3911   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3912   return &gs->gimple_omp_for.iter[i].initial;
3913 }
3914 
3915 
3916 /* Set INITIAL to be the initial value for OMP_FOR GS.  */
3917 
3918 static inline void
gimple_omp_for_set_initial(gimple gs,size_t i,tree initial)3919 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3920 {
3921   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3922   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3923   gs->gimple_omp_for.iter[i].initial = initial;
3924 }
3925 
3926 
3927 /* Return the final value for OMP_FOR GS.  */
3928 
3929 static inline tree
gimple_omp_for_final(const_gimple gs,size_t i)3930 gimple_omp_for_final (const_gimple gs, size_t i)
3931 {
3932   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3933   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3934   return gs->gimple_omp_for.iter[i].final;
3935 }
3936 
3937 
3938 /* Return a pointer to the final value for OMP_FOR GS.  */
3939 
3940 static inline tree *
gimple_omp_for_final_ptr(gimple gs,size_t i)3941 gimple_omp_for_final_ptr (gimple gs, size_t i)
3942 {
3943   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3944   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3945   return &gs->gimple_omp_for.iter[i].final;
3946 }
3947 
3948 
3949 /* Set FINAL to be the final value for OMP_FOR GS.  */
3950 
3951 static inline void
gimple_omp_for_set_final(gimple gs,size_t i,tree final)3952 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3953 {
3954   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3955   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3956   gs->gimple_omp_for.iter[i].final = final;
3957 }
3958 
3959 
3960 /* Return the increment value for OMP_FOR GS.  */
3961 
3962 static inline tree
gimple_omp_for_incr(const_gimple gs,size_t i)3963 gimple_omp_for_incr (const_gimple gs, size_t i)
3964 {
3965   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3966   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3967   return gs->gimple_omp_for.iter[i].incr;
3968 }
3969 
3970 
3971 /* Return a pointer to the increment value for OMP_FOR GS.  */
3972 
3973 static inline tree *
gimple_omp_for_incr_ptr(gimple gs,size_t i)3974 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3975 {
3976   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3977   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3978   return &gs->gimple_omp_for.iter[i].incr;
3979 }
3980 
3981 
3982 /* Set INCR to be the increment value for OMP_FOR GS.  */
3983 
3984 static inline void
gimple_omp_for_set_incr(gimple gs,size_t i,tree incr)3985 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3986 {
3987   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3988   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3989   gs->gimple_omp_for.iter[i].incr = incr;
3990 }
3991 
3992 
3993 /* Return the sequence of statements to execute before the OMP_FOR
3994    statement GS starts.  */
3995 
3996 static inline gimple_seq
gimple_omp_for_pre_body(gimple gs)3997 gimple_omp_for_pre_body (gimple gs)
3998 {
3999   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4000   return gs->gimple_omp_for.pre_body;
4001 }
4002 
4003 
4004 /* Set PRE_BODY to be the sequence of statements to execute before the
4005    OMP_FOR statement GS starts.  */
4006 
4007 static inline void
gimple_omp_for_set_pre_body(gimple gs,gimple_seq pre_body)4008 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
4009 {
4010   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4011   gs->gimple_omp_for.pre_body = pre_body;
4012 }
4013 
4014 
4015 /* Return the clauses associated with OMP_PARALLEL GS.  */
4016 
4017 static inline tree
gimple_omp_parallel_clauses(const_gimple gs)4018 gimple_omp_parallel_clauses (const_gimple gs)
4019 {
4020   GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4021   return gs->gimple_omp_parallel.clauses;
4022 }
4023 
4024 
4025 /* Return a pointer to the clauses associated with OMP_PARALLEL GS.  */
4026 
4027 static inline tree *
gimple_omp_parallel_clauses_ptr(gimple gs)4028 gimple_omp_parallel_clauses_ptr (gimple gs)
4029 {
4030   GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4031   return &gs->gimple_omp_parallel.clauses;
4032 }
4033 
4034 
4035 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
4036    GS.  */
4037 
4038 static inline void
gimple_omp_parallel_set_clauses(gimple gs,tree clauses)4039 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
4040 {
4041   GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4042   gs->gimple_omp_parallel.clauses = clauses;
4043 }
4044 
4045 
4046 /* Return the child function used to hold the body of OMP_PARALLEL GS.  */
4047 
4048 static inline tree
gimple_omp_parallel_child_fn(const_gimple gs)4049 gimple_omp_parallel_child_fn (const_gimple gs)
4050 {
4051   GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4052   return gs->gimple_omp_parallel.child_fn;
4053 }
4054 
4055 /* Return a pointer to the child function used to hold the body of
4056    OMP_PARALLEL GS.  */
4057 
4058 static inline tree *
gimple_omp_parallel_child_fn_ptr(gimple gs)4059 gimple_omp_parallel_child_fn_ptr (gimple gs)
4060 {
4061   GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4062   return &gs->gimple_omp_parallel.child_fn;
4063 }
4064 
4065 
4066 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS.  */
4067 
4068 static inline void
gimple_omp_parallel_set_child_fn(gimple gs,tree child_fn)4069 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
4070 {
4071   GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4072   gs->gimple_omp_parallel.child_fn = child_fn;
4073 }
4074 
4075 
4076 /* Return the artificial argument used to send variables and values
4077    from the parent to the children threads in OMP_PARALLEL GS.  */
4078 
4079 static inline tree
gimple_omp_parallel_data_arg(const_gimple gs)4080 gimple_omp_parallel_data_arg (const_gimple gs)
4081 {
4082   GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4083   return gs->gimple_omp_parallel.data_arg;
4084 }
4085 
4086 
4087 /* Return a pointer to the data argument for OMP_PARALLEL GS.  */
4088 
4089 static inline tree *
gimple_omp_parallel_data_arg_ptr(gimple gs)4090 gimple_omp_parallel_data_arg_ptr (gimple gs)
4091 {
4092   GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4093   return &gs->gimple_omp_parallel.data_arg;
4094 }
4095 
4096 
4097 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS.  */
4098 
4099 static inline void
gimple_omp_parallel_set_data_arg(gimple gs,tree data_arg)4100 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
4101 {
4102   GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4103   gs->gimple_omp_parallel.data_arg = data_arg;
4104 }
4105 
4106 
4107 /* Return the clauses associated with OMP_TASK GS.  */
4108 
4109 static inline tree
gimple_omp_task_clauses(const_gimple gs)4110 gimple_omp_task_clauses (const_gimple gs)
4111 {
4112   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4113   return gs->gimple_omp_parallel.clauses;
4114 }
4115 
4116 
4117 /* Return a pointer to the clauses associated with OMP_TASK GS.  */
4118 
4119 static inline tree *
gimple_omp_task_clauses_ptr(gimple gs)4120 gimple_omp_task_clauses_ptr (gimple gs)
4121 {
4122   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4123   return &gs->gimple_omp_parallel.clauses;
4124 }
4125 
4126 
4127 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
4128    GS.  */
4129 
4130 static inline void
gimple_omp_task_set_clauses(gimple gs,tree clauses)4131 gimple_omp_task_set_clauses (gimple gs, tree clauses)
4132 {
4133   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4134   gs->gimple_omp_parallel.clauses = clauses;
4135 }
4136 
4137 
4138 /* Return the child function used to hold the body of OMP_TASK GS.  */
4139 
4140 static inline tree
gimple_omp_task_child_fn(const_gimple gs)4141 gimple_omp_task_child_fn (const_gimple gs)
4142 {
4143   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4144   return gs->gimple_omp_parallel.child_fn;
4145 }
4146 
4147 /* Return a pointer to the child function used to hold the body of
4148    OMP_TASK GS.  */
4149 
4150 static inline tree *
gimple_omp_task_child_fn_ptr(gimple gs)4151 gimple_omp_task_child_fn_ptr (gimple gs)
4152 {
4153   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4154   return &gs->gimple_omp_parallel.child_fn;
4155 }
4156 
4157 
4158 /* Set CHILD_FN to be the child function for OMP_TASK GS.  */
4159 
4160 static inline void
gimple_omp_task_set_child_fn(gimple gs,tree child_fn)4161 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
4162 {
4163   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4164   gs->gimple_omp_parallel.child_fn = child_fn;
4165 }
4166 
4167 
4168 /* Return the artificial argument used to send variables and values
4169    from the parent to the children threads in OMP_TASK GS.  */
4170 
4171 static inline tree
gimple_omp_task_data_arg(const_gimple gs)4172 gimple_omp_task_data_arg (const_gimple gs)
4173 {
4174   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4175   return gs->gimple_omp_parallel.data_arg;
4176 }
4177 
4178 
4179 /* Return a pointer to the data argument for OMP_TASK GS.  */
4180 
4181 static inline tree *
gimple_omp_task_data_arg_ptr(gimple gs)4182 gimple_omp_task_data_arg_ptr (gimple gs)
4183 {
4184   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4185   return &gs->gimple_omp_parallel.data_arg;
4186 }
4187 
4188 
4189 /* Set DATA_ARG to be the data argument for OMP_TASK GS.  */
4190 
4191 static inline void
gimple_omp_task_set_data_arg(gimple gs,tree data_arg)4192 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
4193 {
4194   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4195   gs->gimple_omp_parallel.data_arg = data_arg;
4196 }
4197 
4198 
4199 /* Return the clauses associated with OMP_TASK GS.  */
4200 
4201 static inline tree
gimple_omp_taskreg_clauses(const_gimple gs)4202 gimple_omp_taskreg_clauses (const_gimple gs)
4203 {
4204   if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4205     GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4206   return gs->gimple_omp_parallel.clauses;
4207 }
4208 
4209 
4210 /* Return a pointer to the clauses associated with OMP_TASK GS.  */
4211 
4212 static inline tree *
gimple_omp_taskreg_clauses_ptr(gimple gs)4213 gimple_omp_taskreg_clauses_ptr (gimple gs)
4214 {
4215   if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4216     GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4217   return &gs->gimple_omp_parallel.clauses;
4218 }
4219 
4220 
4221 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
4222    GS.  */
4223 
4224 static inline void
gimple_omp_taskreg_set_clauses(gimple gs,tree clauses)4225 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
4226 {
4227   if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4228     GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4229   gs->gimple_omp_parallel.clauses = clauses;
4230 }
4231 
4232 
4233 /* Return the child function used to hold the body of OMP_TASK GS.  */
4234 
4235 static inline tree
gimple_omp_taskreg_child_fn(const_gimple gs)4236 gimple_omp_taskreg_child_fn (const_gimple gs)
4237 {
4238   if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4239     GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4240   return gs->gimple_omp_parallel.child_fn;
4241 }
4242 
4243 /* Return a pointer to the child function used to hold the body of
4244    OMP_TASK GS.  */
4245 
4246 static inline tree *
gimple_omp_taskreg_child_fn_ptr(gimple gs)4247 gimple_omp_taskreg_child_fn_ptr (gimple gs)
4248 {
4249   if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4250     GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4251   return &gs->gimple_omp_parallel.child_fn;
4252 }
4253 
4254 
4255 /* Set CHILD_FN to be the child function for OMP_TASK GS.  */
4256 
4257 static inline void
gimple_omp_taskreg_set_child_fn(gimple gs,tree child_fn)4258 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
4259 {
4260   if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4261     GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4262   gs->gimple_omp_parallel.child_fn = child_fn;
4263 }
4264 
4265 
4266 /* Return the artificial argument used to send variables and values
4267    from the parent to the children threads in OMP_TASK GS.  */
4268 
4269 static inline tree
gimple_omp_taskreg_data_arg(const_gimple gs)4270 gimple_omp_taskreg_data_arg (const_gimple gs)
4271 {
4272   if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4273     GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4274   return gs->gimple_omp_parallel.data_arg;
4275 }
4276 
4277 
4278 /* Return a pointer to the data argument for OMP_TASK GS.  */
4279 
4280 static inline tree *
gimple_omp_taskreg_data_arg_ptr(gimple gs)4281 gimple_omp_taskreg_data_arg_ptr (gimple gs)
4282 {
4283   if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4284     GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4285   return &gs->gimple_omp_parallel.data_arg;
4286 }
4287 
4288 
4289 /* Set DATA_ARG to be the data argument for OMP_TASK GS.  */
4290 
4291 static inline void
gimple_omp_taskreg_set_data_arg(gimple gs,tree data_arg)4292 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
4293 {
4294   if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4295     GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4296   gs->gimple_omp_parallel.data_arg = data_arg;
4297 }
4298 
4299 
4300 /* Return the copy function used to hold the body of OMP_TASK GS.  */
4301 
4302 static inline tree
gimple_omp_task_copy_fn(const_gimple gs)4303 gimple_omp_task_copy_fn (const_gimple gs)
4304 {
4305   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4306   return gs->gimple_omp_task.copy_fn;
4307 }
4308 
4309 /* Return a pointer to the copy function used to hold the body of
4310    OMP_TASK GS.  */
4311 
4312 static inline tree *
gimple_omp_task_copy_fn_ptr(gimple gs)4313 gimple_omp_task_copy_fn_ptr (gimple gs)
4314 {
4315   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4316   return &gs->gimple_omp_task.copy_fn;
4317 }
4318 
4319 
4320 /* Set CHILD_FN to be the copy function for OMP_TASK GS.  */
4321 
4322 static inline void
gimple_omp_task_set_copy_fn(gimple gs,tree copy_fn)4323 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
4324 {
4325   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4326   gs->gimple_omp_task.copy_fn = copy_fn;
4327 }
4328 
4329 
4330 /* Return size of the data block in bytes in OMP_TASK GS.  */
4331 
4332 static inline tree
gimple_omp_task_arg_size(const_gimple gs)4333 gimple_omp_task_arg_size (const_gimple gs)
4334 {
4335   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4336   return gs->gimple_omp_task.arg_size;
4337 }
4338 
4339 
4340 /* Return a pointer to the data block size for OMP_TASK GS.  */
4341 
4342 static inline tree *
gimple_omp_task_arg_size_ptr(gimple gs)4343 gimple_omp_task_arg_size_ptr (gimple gs)
4344 {
4345   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4346   return &gs->gimple_omp_task.arg_size;
4347 }
4348 
4349 
4350 /* Set ARG_SIZE to be the data block size for OMP_TASK GS.  */
4351 
4352 static inline void
gimple_omp_task_set_arg_size(gimple gs,tree arg_size)4353 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
4354 {
4355   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4356   gs->gimple_omp_task.arg_size = arg_size;
4357 }
4358 
4359 
4360 /* Return align of the data block in bytes in OMP_TASK GS.  */
4361 
4362 static inline tree
gimple_omp_task_arg_align(const_gimple gs)4363 gimple_omp_task_arg_align (const_gimple gs)
4364 {
4365   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4366   return gs->gimple_omp_task.arg_align;
4367 }
4368 
4369 
4370 /* Return a pointer to the data block align for OMP_TASK GS.  */
4371 
4372 static inline tree *
gimple_omp_task_arg_align_ptr(gimple gs)4373 gimple_omp_task_arg_align_ptr (gimple gs)
4374 {
4375   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4376   return &gs->gimple_omp_task.arg_align;
4377 }
4378 
4379 
4380 /* Set ARG_SIZE to be the data block align for OMP_TASK GS.  */
4381 
4382 static inline void
gimple_omp_task_set_arg_align(gimple gs,tree arg_align)4383 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
4384 {
4385   GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4386   gs->gimple_omp_task.arg_align = arg_align;
4387 }
4388 
4389 
4390 /* Return the clauses associated with OMP_SINGLE GS.  */
4391 
4392 static inline tree
gimple_omp_single_clauses(const_gimple gs)4393 gimple_omp_single_clauses (const_gimple gs)
4394 {
4395   GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4396   return gs->gimple_omp_single.clauses;
4397 }
4398 
4399 
4400 /* Return a pointer to the clauses associated with OMP_SINGLE GS.  */
4401 
4402 static inline tree *
gimple_omp_single_clauses_ptr(gimple gs)4403 gimple_omp_single_clauses_ptr (gimple gs)
4404 {
4405   GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4406   return &gs->gimple_omp_single.clauses;
4407 }
4408 
4409 
4410 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS.  */
4411 
4412 static inline void
gimple_omp_single_set_clauses(gimple gs,tree clauses)4413 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4414 {
4415   GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4416   gs->gimple_omp_single.clauses = clauses;
4417 }
4418 
4419 
4420 /* Return the clauses associated with OMP_SECTIONS GS.  */
4421 
4422 static inline tree
gimple_omp_sections_clauses(const_gimple gs)4423 gimple_omp_sections_clauses (const_gimple gs)
4424 {
4425   GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4426   return gs->gimple_omp_sections.clauses;
4427 }
4428 
4429 
4430 /* Return a pointer to the clauses associated with OMP_SECTIONS GS.  */
4431 
4432 static inline tree *
gimple_omp_sections_clauses_ptr(gimple gs)4433 gimple_omp_sections_clauses_ptr (gimple gs)
4434 {
4435   GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4436   return &gs->gimple_omp_sections.clauses;
4437 }
4438 
4439 
4440 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4441    GS.  */
4442 
4443 static inline void
gimple_omp_sections_set_clauses(gimple gs,tree clauses)4444 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4445 {
4446   GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4447   gs->gimple_omp_sections.clauses = clauses;
4448 }
4449 
4450 
4451 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4452    in GS.  */
4453 
4454 static inline tree
gimple_omp_sections_control(const_gimple gs)4455 gimple_omp_sections_control (const_gimple gs)
4456 {
4457   GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4458   return gs->gimple_omp_sections.control;
4459 }
4460 
4461 
4462 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4463    GS.  */
4464 
4465 static inline tree *
gimple_omp_sections_control_ptr(gimple gs)4466 gimple_omp_sections_control_ptr (gimple gs)
4467 {
4468   GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4469   return &gs->gimple_omp_sections.control;
4470 }
4471 
4472 
4473 /* Set CONTROL to be the set of clauses associated with the
4474    GIMPLE_OMP_SECTIONS in GS.  */
4475 
4476 static inline void
gimple_omp_sections_set_control(gimple gs,tree control)4477 gimple_omp_sections_set_control (gimple gs, tree control)
4478 {
4479   GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4480   gs->gimple_omp_sections.control = control;
4481 }
4482 
4483 
4484 /* Set COND to be the condition code for OMP_FOR GS.  */
4485 
4486 static inline void
gimple_omp_for_set_cond(gimple gs,size_t i,enum tree_code cond)4487 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4488 {
4489   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4490   gcc_gimple_checking_assert (TREE_CODE_CLASS (cond) == tcc_comparison
4491 			      && i < gs->gimple_omp_for.collapse);
4492   gs->gimple_omp_for.iter[i].cond = cond;
4493 }
4494 
4495 
4496 /* Return the condition code associated with OMP_FOR GS.  */
4497 
4498 static inline enum tree_code
gimple_omp_for_cond(const_gimple gs,size_t i)4499 gimple_omp_for_cond (const_gimple gs, size_t i)
4500 {
4501   GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4502   gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4503   return gs->gimple_omp_for.iter[i].cond;
4504 }
4505 
4506 
4507 /* Set the value being stored in an atomic store.  */
4508 
4509 static inline void
gimple_omp_atomic_store_set_val(gimple g,tree val)4510 gimple_omp_atomic_store_set_val (gimple g, tree val)
4511 {
4512   GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4513   g->gimple_omp_atomic_store.val = val;
4514 }
4515 
4516 
4517 /* Return the value being stored in an atomic store.  */
4518 
4519 static inline tree
gimple_omp_atomic_store_val(const_gimple g)4520 gimple_omp_atomic_store_val (const_gimple g)
4521 {
4522   GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4523   return g->gimple_omp_atomic_store.val;
4524 }
4525 
4526 
4527 /* Return a pointer to the value being stored in an atomic store.  */
4528 
4529 static inline tree *
gimple_omp_atomic_store_val_ptr(gimple g)4530 gimple_omp_atomic_store_val_ptr (gimple g)
4531 {
4532   GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4533   return &g->gimple_omp_atomic_store.val;
4534 }
4535 
4536 
4537 /* Set the LHS of an atomic load.  */
4538 
4539 static inline void
gimple_omp_atomic_load_set_lhs(gimple g,tree lhs)4540 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4541 {
4542   GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4543   g->gimple_omp_atomic_load.lhs = lhs;
4544 }
4545 
4546 
4547 /* Get the LHS of an atomic load.  */
4548 
4549 static inline tree
gimple_omp_atomic_load_lhs(const_gimple g)4550 gimple_omp_atomic_load_lhs (const_gimple g)
4551 {
4552   GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4553   return g->gimple_omp_atomic_load.lhs;
4554 }
4555 
4556 
4557 /* Return a pointer to the LHS of an atomic load.  */
4558 
4559 static inline tree *
gimple_omp_atomic_load_lhs_ptr(gimple g)4560 gimple_omp_atomic_load_lhs_ptr (gimple g)
4561 {
4562   GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4563   return &g->gimple_omp_atomic_load.lhs;
4564 }
4565 
4566 
4567 /* Set the RHS of an atomic load.  */
4568 
4569 static inline void
gimple_omp_atomic_load_set_rhs(gimple g,tree rhs)4570 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4571 {
4572   GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4573   g->gimple_omp_atomic_load.rhs = rhs;
4574 }
4575 
4576 
4577 /* Get the RHS of an atomic load.  */
4578 
4579 static inline tree
gimple_omp_atomic_load_rhs(const_gimple g)4580 gimple_omp_atomic_load_rhs (const_gimple g)
4581 {
4582   GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4583   return g->gimple_omp_atomic_load.rhs;
4584 }
4585 
4586 
4587 /* Return a pointer to the RHS of an atomic load.  */
4588 
4589 static inline tree *
gimple_omp_atomic_load_rhs_ptr(gimple g)4590 gimple_omp_atomic_load_rhs_ptr (gimple g)
4591 {
4592   GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4593   return &g->gimple_omp_atomic_load.rhs;
4594 }
4595 
4596 
4597 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE.  */
4598 
4599 static inline tree
gimple_omp_continue_control_def(const_gimple g)4600 gimple_omp_continue_control_def (const_gimple g)
4601 {
4602   GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4603   return g->gimple_omp_continue.control_def;
4604 }
4605 
4606 /* The same as above, but return the address.  */
4607 
4608 static inline tree *
gimple_omp_continue_control_def_ptr(gimple g)4609 gimple_omp_continue_control_def_ptr (gimple g)
4610 {
4611   GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4612   return &g->gimple_omp_continue.control_def;
4613 }
4614 
4615 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE.  */
4616 
4617 static inline void
gimple_omp_continue_set_control_def(gimple g,tree def)4618 gimple_omp_continue_set_control_def (gimple g, tree def)
4619 {
4620   GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4621   g->gimple_omp_continue.control_def = def;
4622 }
4623 
4624 
4625 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE.  */
4626 
4627 static inline tree
gimple_omp_continue_control_use(const_gimple g)4628 gimple_omp_continue_control_use (const_gimple g)
4629 {
4630   GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4631   return g->gimple_omp_continue.control_use;
4632 }
4633 
4634 
4635 /* The same as above, but return the address.  */
4636 
4637 static inline tree *
gimple_omp_continue_control_use_ptr(gimple g)4638 gimple_omp_continue_control_use_ptr (gimple g)
4639 {
4640   GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4641   return &g->gimple_omp_continue.control_use;
4642 }
4643 
4644 
4645 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE.  */
4646 
4647 static inline void
gimple_omp_continue_set_control_use(gimple g,tree use)4648 gimple_omp_continue_set_control_use (gimple g, tree use)
4649 {
4650   GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4651   g->gimple_omp_continue.control_use = use;
4652 }
4653 
4654 /* Return the body for the GIMPLE_TRANSACTION statement GS.  */
4655 
4656 static inline gimple_seq
gimple_transaction_body(gimple gs)4657 gimple_transaction_body (gimple gs)
4658 {
4659   GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4660   return gs->gimple_transaction.body;
4661 }
4662 
4663 /* Return the label associated with a GIMPLE_TRANSACTION.  */
4664 
4665 static inline tree
gimple_transaction_label(const_gimple gs)4666 gimple_transaction_label (const_gimple gs)
4667 {
4668   GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4669   return gs->gimple_transaction.label;
4670 }
4671 
4672 static inline tree *
gimple_transaction_label_ptr(gimple gs)4673 gimple_transaction_label_ptr (gimple gs)
4674 {
4675   GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4676   return &gs->gimple_transaction.label;
4677 }
4678 
4679 /* Return the subcode associated with a GIMPLE_TRANSACTION.  */
4680 
4681 static inline unsigned int
gimple_transaction_subcode(const_gimple gs)4682 gimple_transaction_subcode (const_gimple gs)
4683 {
4684   GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4685   return gs->gsbase.subcode;
4686 }
4687 
4688 /* Set BODY to be the body for the GIMPLE_TRANSACTION statement GS.  */
4689 
4690 static inline void
gimple_transaction_set_body(gimple gs,gimple_seq body)4691 gimple_transaction_set_body (gimple gs, gimple_seq body)
4692 {
4693   GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4694   gs->gimple_transaction.body = body;
4695 }
4696 
4697 /* Set the label associated with a GIMPLE_TRANSACTION.  */
4698 
4699 static inline void
gimple_transaction_set_label(gimple gs,tree label)4700 gimple_transaction_set_label (gimple gs, tree label)
4701 {
4702   GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4703   gs->gimple_transaction.label = label;
4704 }
4705 
4706 /* Set the subcode associated with a GIMPLE_TRANSACTION.  */
4707 
4708 static inline void
gimple_transaction_set_subcode(gimple gs,unsigned int subcode)4709 gimple_transaction_set_subcode (gimple gs, unsigned int subcode)
4710 {
4711   GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4712   gs->gsbase.subcode = subcode;
4713 }
4714 
4715 
4716 /* Return a pointer to the return value for GIMPLE_RETURN GS.  */
4717 
4718 static inline tree *
gimple_return_retval_ptr(const_gimple gs)4719 gimple_return_retval_ptr (const_gimple gs)
4720 {
4721   GIMPLE_CHECK (gs, GIMPLE_RETURN);
4722   return gimple_op_ptr (gs, 0);
4723 }
4724 
4725 /* Return the return value for GIMPLE_RETURN GS.  */
4726 
4727 static inline tree
gimple_return_retval(const_gimple gs)4728 gimple_return_retval (const_gimple gs)
4729 {
4730   GIMPLE_CHECK (gs, GIMPLE_RETURN);
4731   return gimple_op (gs, 0);
4732 }
4733 
4734 
4735 /* Set RETVAL to be the return value for GIMPLE_RETURN GS.  */
4736 
4737 static inline void
gimple_return_set_retval(gimple gs,tree retval)4738 gimple_return_set_retval (gimple gs, tree retval)
4739 {
4740   GIMPLE_CHECK (gs, GIMPLE_RETURN);
4741   gimple_set_op (gs, 0, retval);
4742 }
4743 
4744 
4745 /* Returns true when the gimple statment STMT is any of the OpenMP types.  */
4746 
4747 #define CASE_GIMPLE_OMP				\
4748     case GIMPLE_OMP_PARALLEL:			\
4749     case GIMPLE_OMP_TASK:			\
4750     case GIMPLE_OMP_FOR:			\
4751     case GIMPLE_OMP_SECTIONS:			\
4752     case GIMPLE_OMP_SECTIONS_SWITCH:		\
4753     case GIMPLE_OMP_SINGLE:			\
4754     case GIMPLE_OMP_SECTION:			\
4755     case GIMPLE_OMP_MASTER:			\
4756     case GIMPLE_OMP_ORDERED:			\
4757     case GIMPLE_OMP_CRITICAL:			\
4758     case GIMPLE_OMP_RETURN:			\
4759     case GIMPLE_OMP_ATOMIC_LOAD:		\
4760     case GIMPLE_OMP_ATOMIC_STORE:		\
4761     case GIMPLE_OMP_CONTINUE
4762 
4763 static inline bool
is_gimple_omp(const_gimple stmt)4764 is_gimple_omp (const_gimple stmt)
4765 {
4766   switch (gimple_code (stmt))
4767     {
4768     CASE_GIMPLE_OMP:
4769       return true;
4770     default:
4771       return false;
4772     }
4773 }
4774 
4775 
4776 /* Returns TRUE if statement G is a GIMPLE_NOP.  */
4777 
4778 static inline bool
gimple_nop_p(const_gimple g)4779 gimple_nop_p (const_gimple g)
4780 {
4781   return gimple_code (g) == GIMPLE_NOP;
4782 }
4783 
4784 
4785 /* Return true if GS is a GIMPLE_RESX.  */
4786 
4787 static inline bool
is_gimple_resx(const_gimple gs)4788 is_gimple_resx (const_gimple gs)
4789 {
4790   return gimple_code (gs) == GIMPLE_RESX;
4791 }
4792 
4793 /* Return the predictor of GIMPLE_PREDICT statement GS.  */
4794 
4795 static inline enum br_predictor
gimple_predict_predictor(gimple gs)4796 gimple_predict_predictor (gimple gs)
4797 {
4798   GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4799   return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4800 }
4801 
4802 
4803 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT.  */
4804 
4805 static inline void
gimple_predict_set_predictor(gimple gs,enum br_predictor predictor)4806 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4807 {
4808   GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4809   gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4810 		       | (unsigned) predictor;
4811 }
4812 
4813 
4814 /* Return the outcome of GIMPLE_PREDICT statement GS.  */
4815 
4816 static inline enum prediction
gimple_predict_outcome(gimple gs)4817 gimple_predict_outcome (gimple gs)
4818 {
4819   GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4820   return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4821 }
4822 
4823 
4824 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME.  */
4825 
4826 static inline void
gimple_predict_set_outcome(gimple gs,enum prediction outcome)4827 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4828 {
4829   GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4830   if (outcome == TAKEN)
4831     gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4832   else
4833     gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4834 }
4835 
4836 
4837 /* Return the type of the main expression computed by STMT.  Return
4838    void_type_node if the statement computes nothing.  */
4839 
4840 static inline tree
gimple_expr_type(const_gimple stmt)4841 gimple_expr_type (const_gimple stmt)
4842 {
4843   enum gimple_code code = gimple_code (stmt);
4844 
4845   if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4846     {
4847       tree type;
4848       /* In general we want to pass out a type that can be substituted
4849          for both the RHS and the LHS types if there is a possibly
4850 	 useless conversion involved.  That means returning the
4851 	 original RHS type as far as we can reconstruct it.  */
4852       if (code == GIMPLE_CALL)
4853 	type = gimple_call_return_type (stmt);
4854       else
4855 	switch (gimple_assign_rhs_code (stmt))
4856 	  {
4857 	  case POINTER_PLUS_EXPR:
4858 	    type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4859 	    break;
4860 
4861 	  default:
4862 	    /* As fallback use the type of the LHS.  */
4863 	    type = TREE_TYPE (gimple_get_lhs (stmt));
4864 	    break;
4865 	  }
4866       return type;
4867     }
4868   else if (code == GIMPLE_COND)
4869     return boolean_type_node;
4870   else
4871     return void_type_node;
4872 }
4873 
4874 /* Return true if TYPE is a suitable type for a scalar register variable.  */
4875 
4876 static inline bool
is_gimple_reg_type(tree type)4877 is_gimple_reg_type (tree type)
4878 {
4879   return !AGGREGATE_TYPE_P (type);
4880 }
4881 
4882 /* Return a new iterator pointing to GIMPLE_SEQ's first statement.  */
4883 
4884 static inline gimple_stmt_iterator
gsi_start(gimple_seq seq)4885 gsi_start (gimple_seq seq)
4886 {
4887   gimple_stmt_iterator i;
4888 
4889   i.ptr = gimple_seq_first (seq);
4890   i.seq = seq;
4891   i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4892 
4893   return i;
4894 }
4895 
4896 
4897 /* Return a new iterator pointing to the first statement in basic block BB.  */
4898 
4899 static inline gimple_stmt_iterator
gsi_start_bb(basic_block bb)4900 gsi_start_bb (basic_block bb)
4901 {
4902   gimple_stmt_iterator i;
4903   gimple_seq seq;
4904 
4905   seq = bb_seq (bb);
4906   i.ptr = gimple_seq_first (seq);
4907   i.seq = seq;
4908   i.bb = bb;
4909 
4910   return i;
4911 }
4912 
4913 
4914 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement.  */
4915 
4916 static inline gimple_stmt_iterator
gsi_last(gimple_seq seq)4917 gsi_last (gimple_seq seq)
4918 {
4919   gimple_stmt_iterator i;
4920 
4921   i.ptr = gimple_seq_last (seq);
4922   i.seq = seq;
4923   i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4924 
4925   return i;
4926 }
4927 
4928 
4929 /* Return a new iterator pointing to the last statement in basic block BB.  */
4930 
4931 static inline gimple_stmt_iterator
gsi_last_bb(basic_block bb)4932 gsi_last_bb (basic_block bb)
4933 {
4934   gimple_stmt_iterator i;
4935   gimple_seq seq;
4936 
4937   seq = bb_seq (bb);
4938   i.ptr = gimple_seq_last (seq);
4939   i.seq = seq;
4940   i.bb = bb;
4941 
4942   return i;
4943 }
4944 
4945 
4946 /* Return true if I is at the end of its sequence.  */
4947 
4948 static inline bool
gsi_end_p(gimple_stmt_iterator i)4949 gsi_end_p (gimple_stmt_iterator i)
4950 {
4951   return i.ptr == NULL;
4952 }
4953 
4954 
4955 /* Return true if I is one statement before the end of its sequence.  */
4956 
4957 static inline bool
gsi_one_before_end_p(gimple_stmt_iterator i)4958 gsi_one_before_end_p (gimple_stmt_iterator i)
4959 {
4960   return i.ptr != NULL && i.ptr->next == NULL;
4961 }
4962 
4963 
4964 /* Advance the iterator to the next gimple statement.  */
4965 
4966 static inline void
gsi_next(gimple_stmt_iterator * i)4967 gsi_next (gimple_stmt_iterator *i)
4968 {
4969   i->ptr = i->ptr->next;
4970 }
4971 
4972 /* Advance the iterator to the previous gimple statement.  */
4973 
4974 static inline void
gsi_prev(gimple_stmt_iterator * i)4975 gsi_prev (gimple_stmt_iterator *i)
4976 {
4977   i->ptr = i->ptr->prev;
4978 }
4979 
4980 /* Return the current stmt.  */
4981 
4982 static inline gimple
gsi_stmt(gimple_stmt_iterator i)4983 gsi_stmt (gimple_stmt_iterator i)
4984 {
4985   return i.ptr->stmt;
4986 }
4987 
4988 /* Return a block statement iterator that points to the first non-label
4989    statement in block BB.  */
4990 
4991 static inline gimple_stmt_iterator
gsi_after_labels(basic_block bb)4992 gsi_after_labels (basic_block bb)
4993 {
4994   gimple_stmt_iterator gsi = gsi_start_bb (bb);
4995 
4996   while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4997     gsi_next (&gsi);
4998 
4999   return gsi;
5000 }
5001 
5002 /* Advance the iterator to the next non-debug gimple statement.  */
5003 
5004 static inline void
gsi_next_nondebug(gimple_stmt_iterator * i)5005 gsi_next_nondebug (gimple_stmt_iterator *i)
5006 {
5007   do
5008     {
5009       gsi_next (i);
5010     }
5011   while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
5012 }
5013 
5014 /* Advance the iterator to the next non-debug gimple statement.  */
5015 
5016 static inline void
gsi_prev_nondebug(gimple_stmt_iterator * i)5017 gsi_prev_nondebug (gimple_stmt_iterator *i)
5018 {
5019   do
5020     {
5021       gsi_prev (i);
5022     }
5023   while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
5024 }
5025 
5026 /* Return a new iterator pointing to the first non-debug statement in
5027    basic block BB.  */
5028 
5029 static inline gimple_stmt_iterator
gsi_start_nondebug_bb(basic_block bb)5030 gsi_start_nondebug_bb (basic_block bb)
5031 {
5032   gimple_stmt_iterator i = gsi_start_bb (bb);
5033 
5034   if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
5035     gsi_next_nondebug (&i);
5036 
5037   return i;
5038 }
5039 
5040 /* Return a new iterator pointing to the last non-debug statement in
5041    basic block BB.  */
5042 
5043 static inline gimple_stmt_iterator
gsi_last_nondebug_bb(basic_block bb)5044 gsi_last_nondebug_bb (basic_block bb)
5045 {
5046   gimple_stmt_iterator i = gsi_last_bb (bb);
5047 
5048   if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
5049     gsi_prev_nondebug (&i);
5050 
5051   return i;
5052 }
5053 
5054 /* Return a pointer to the current stmt.
5055 
5056   NOTE: You may want to use gsi_replace on the iterator itself,
5057   as this performs additional bookkeeping that will not be done
5058   if you simply assign through a pointer returned by gsi_stmt_ptr.  */
5059 
5060 static inline gimple *
gsi_stmt_ptr(gimple_stmt_iterator * i)5061 gsi_stmt_ptr (gimple_stmt_iterator *i)
5062 {
5063   return &i->ptr->stmt;
5064 }
5065 
5066 
5067 /* Return the basic block associated with this iterator.  */
5068 
5069 static inline basic_block
gsi_bb(gimple_stmt_iterator i)5070 gsi_bb (gimple_stmt_iterator i)
5071 {
5072   return i.bb;
5073 }
5074 
5075 
5076 /* Return the sequence associated with this iterator.  */
5077 
5078 static inline gimple_seq
gsi_seq(gimple_stmt_iterator i)5079 gsi_seq (gimple_stmt_iterator i)
5080 {
5081   return i.seq;
5082 }
5083 
5084 
5085 enum gsi_iterator_update
5086 {
5087   GSI_NEW_STMT,		/* Only valid when single statement is added, move
5088 			   iterator to it.  */
5089   GSI_SAME_STMT,	/* Leave the iterator at the same statement.  */
5090   GSI_CONTINUE_LINKING	/* Move iterator to whatever position is suitable
5091 			   for linking other statements in the same
5092 			   direction.  */
5093 };
5094 
5095 /* In gimple-iterator.c  */
5096 gimple_stmt_iterator gsi_start_phis (basic_block);
5097 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
5098 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
5099 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
5100 void gsi_insert_before (gimple_stmt_iterator *, gimple,
5101 			enum gsi_iterator_update);
5102 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
5103                                        enum gsi_iterator_update);
5104 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
5105                             enum gsi_iterator_update);
5106 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
5107                                            enum gsi_iterator_update);
5108 void gsi_insert_after (gimple_stmt_iterator *, gimple,
5109 		       enum gsi_iterator_update);
5110 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
5111                                       enum gsi_iterator_update);
5112 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
5113 			   enum gsi_iterator_update);
5114 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
5115                                           enum gsi_iterator_update);
5116 void gsi_remove (gimple_stmt_iterator *, bool);
5117 gimple_stmt_iterator gsi_for_stmt (gimple);
5118 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
5119 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
5120 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
5121 void gsi_insert_on_edge (edge, gimple);
5122 void gsi_insert_seq_on_edge (edge, gimple_seq);
5123 basic_block gsi_insert_on_edge_immediate (edge, gimple);
5124 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
5125 void gsi_commit_one_edge_insert (edge, basic_block *);
5126 void gsi_commit_edge_inserts (void);
5127 gimple gimple_call_copy_skip_args (gimple, bitmap);
5128 
5129 
5130 /* Convenience routines to walk all statements of a gimple function.
5131    Note that this is useful exclusively before the code is converted
5132    into SSA form.  Once the program is in SSA form, the standard
5133    operand interface should be used to analyze/modify statements.  */
5134 struct walk_stmt_info
5135 {
5136   /* Points to the current statement being walked.  */
5137   gimple_stmt_iterator gsi;
5138 
5139   /* Additional data that the callback functions may want to carry
5140      through the recursion.  */
5141   void *info;
5142 
5143   /* Pointer map used to mark visited tree nodes when calling
5144      walk_tree on each operand.  If set to NULL, duplicate tree nodes
5145      will be visited more than once.  */
5146   struct pointer_set_t *pset;
5147 
5148   /* Operand returned by the callbacks.  This is set when calling
5149      walk_gimple_seq.  If the walk_stmt_fn or walk_tree_fn callback
5150      returns non-NULL, this field will contain the tree returned by
5151      the last callback.  */
5152   tree callback_result;
5153 
5154   /* Indicates whether the operand being examined may be replaced
5155      with something that matches is_gimple_val (if true) or something
5156      slightly more complicated (if false).  "Something" technically
5157      means the common subset of is_gimple_lvalue and is_gimple_rhs,
5158      but we never try to form anything more complicated than that, so
5159      we don't bother checking.
5160 
5161      Also note that CALLBACK should update this flag while walking the
5162      sub-expressions of a statement.  For instance, when walking the
5163      statement 'foo (&var)', the flag VAL_ONLY will initially be set
5164      to true, however, when walking &var, the operand of that
5165      ADDR_EXPR does not need to be a GIMPLE value.  */
5166   BOOL_BITFIELD val_only : 1;
5167 
5168   /* True if we are currently walking the LHS of an assignment.  */
5169   BOOL_BITFIELD is_lhs : 1;
5170 
5171   /* Optional.  Set to true by the callback functions if they made any
5172      changes.  */
5173   BOOL_BITFIELD changed : 1;
5174 
5175   /* True if we're interested in location information.  */
5176   BOOL_BITFIELD want_locations : 1;
5177 
5178   /* True if we've removed the statement that was processed.  */
5179   BOOL_BITFIELD removed_stmt : 1;
5180 };
5181 
5182 /* Callback for walk_gimple_stmt.  Called for every statement found
5183    during traversal.  The first argument points to the statement to
5184    walk.  The second argument is a flag that the callback sets to
5185    'true' if it the callback handled all the operands and
5186    sub-statements of the statement (the default value of this flag is
5187    'false').  The third argument is an anonymous pointer to data
5188    to be used by the callback.  */
5189 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
5190 			      struct walk_stmt_info *);
5191 
5192 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
5193 		        struct walk_stmt_info *);
5194 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
5195 		       struct walk_stmt_info *);
5196 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
5197 
5198 #ifdef GATHER_STATISTICS
5199 /* Enum and arrays used for allocation stats.  Keep in sync with
5200    gimple.c:gimple_alloc_kind_names.  */
5201 enum gimple_alloc_kind
5202 {
5203   gimple_alloc_kind_assign,	/* Assignments.  */
5204   gimple_alloc_kind_phi,	/* PHI nodes.  */
5205   gimple_alloc_kind_cond,	/* Conditionals.  */
5206   gimple_alloc_kind_seq,	/* Sequences.  */
5207   gimple_alloc_kind_rest,	/* Everything else.  */
5208   gimple_alloc_kind_all
5209 };
5210 
5211 extern int gimple_alloc_counts[];
5212 extern int gimple_alloc_sizes[];
5213 
5214 /* Return the allocation kind for a given stmt CODE.  */
5215 static inline enum gimple_alloc_kind
gimple_alloc_kind(enum gimple_code code)5216 gimple_alloc_kind (enum gimple_code code)
5217 {
5218   switch (code)
5219     {
5220       case GIMPLE_ASSIGN:
5221 	return gimple_alloc_kind_assign;
5222       case GIMPLE_PHI:
5223 	return gimple_alloc_kind_phi;
5224       case GIMPLE_COND:
5225 	return gimple_alloc_kind_cond;
5226       default:
5227 	return gimple_alloc_kind_rest;
5228     }
5229 }
5230 #endif /* GATHER_STATISTICS */
5231 
5232 extern void dump_gimple_statistics (void);
5233 
5234 /* In gimple-fold.c.  */
5235 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
5236 tree gimple_fold_builtin (gimple);
5237 bool fold_stmt (gimple_stmt_iterator *);
5238 bool fold_stmt_inplace (gimple_stmt_iterator *);
5239 tree get_symbol_constant_value (tree);
5240 tree canonicalize_constructor_val (tree);
5241 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
5242 					enum tree_code, tree, tree);
5243 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
5244 				       enum tree_code, tree, tree);
5245 
5246 bool gimple_val_nonnegative_real_p (tree);
5247 #endif  /* GCC_GIMPLE_H */
5248