use a hook to dump vrp info instead of polluting irdump.c
[libfirm] / ir / ir / irdump.c
1 /*
2  * Copyright (C) 1995-2011 University of Karlsruhe.  All right reserved.
3  *
4  * This file is part of libFirm.
5  *
6  * This file may be distributed and/or modified under the terms of the
7  * GNU General Public License version 2 as published by the Free Software
8  * Foundation and appearing in the file LICENSE.GPL included in the
9  * packaging of this file.
10  *
11  * Licensees holding valid libFirm Professional Edition licenses may use
12  * this file in accordance with the libFirm Commercial License.
13  * Agreement provided with the Software.
14  *
15  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE.
18  */
19
20 /**
21  * @file
22  * @brief   Write vcg representation of firm to file.
23  * @author  Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Hubert Schmidt,
24  *          Matthias Braun
25  * @version $Id$
26  */
27 #include "config.h"
28
29 #include <string.h>
30 #include <stdlib.h>
31 #include <stdarg.h>
32 #include <stdbool.h>
33 #include <errno.h>
34
35 #include "list.h"
36
37 #include "irnode_t.h"
38 #include "irgraph_t.h"
39 #include "irprog_t.h"
40 #include "entity_t.h"
41 #include "irop.h"
42
43 #include "irdump_t.h"
44 #include "irpass_t.h"
45
46 #include "irgwalk.h"
47 #include "tv_t.h"
48 #include "irouts.h"
49 #include "iredges.h"
50 #include "irdom.h"
51 #include "irloop_t.h"
52 #include "callgraph.h"
53 #include "irextbb_t.h"
54 #include "irhooks.h"
55 #include "dbginfo_t.h"
56 #include "irtools.h"
57 #include "irprintf.h"
58
59 #include "irverify.h"
60
61 #include "error.h"
62 #include "array.h"
63 #include "pmap.h"
64 #include "obst.h"
65 #include "eset.h"
66 #include "pset.h"
67 #include "util.h"
68
69 /** Dump only irgs with names that start with this prefix. */
70 static ident *dump_file_filter_id = NULL;
71
72 static ir_dump_flags_t flags =
73         ir_dump_flag_blocks_as_subgraphs |
74         ir_dump_flag_keepalive_edges |
75         ir_dump_flag_ld_names |
76         ir_dump_flag_back_edges |
77         ir_dump_flag_consts_local |
78         ir_dump_flag_analysed_types |
79         ir_dump_flag_entities_in_hierarchy |
80         ir_dump_flag_number_label;
81
82 static ird_color_t overrule_nodecolor = ird_color_default_node;
83
84 /** The vcg node attribute hook. */
85 static dump_node_vcgattr_func dump_node_vcgattr_hook = NULL;
86 /** The vcg edge attribute hook. */
87 static dump_edge_vcgattr_func dump_edge_vcgattr_hook = NULL;
88 /** The vcg dump block edge hook */
89 static dump_node_edge_func dump_block_edge_hook = NULL;
90 /** The vcg dump node edge hook. */
91 static dump_node_edge_func dump_node_edge_hook = NULL;
92
93 void set_dump_node_edge_hook(dump_node_edge_func func)
94 {
95         dump_node_edge_hook = func;
96 }
97
98 dump_node_edge_func get_dump_node_edge_hook(void)
99 {
100         return dump_node_edge_hook;
101 }
102
103 void set_dump_block_edge_hook(dump_node_edge_func func)
104 {
105         dump_block_edge_hook = func;
106 }
107
108 dump_node_edge_func get_dump_block_edge_hook(void)
109 {
110         return dump_node_edge_hook;
111 }
112
113 void set_dump_node_vcgattr_hook(dump_node_vcgattr_func hook)
114 {
115         dump_node_vcgattr_hook = hook;
116 }
117
118 void set_dump_edge_vcgattr_hook(dump_edge_vcgattr_func hook)
119 {
120         dump_edge_vcgattr_hook = hook;
121 }
122
123 void ir_set_dump_flags(ir_dump_flags_t new_flags)
124 {
125         flags = new_flags;
126 }
127
128 void ir_add_dump_flags(ir_dump_flags_t new_flags)
129 {
130         flags |= new_flags;
131 }
132
133 void ir_remove_dump_flags(ir_dump_flags_t to_remove)
134 {
135         flags &= ~to_remove;
136 }
137
138 ir_dump_flags_t ir_get_dump_flags(void)
139 {
140         return flags;
141 }
142
143 /** Returns 0 if dump_out_edge_flag or dump_loop_information_flag
144  * are set, else returns dump_const_local_flag.
145  */
146 static bool get_opt_dump_const_local(void)
147 {
148         return (flags & ir_dump_flag_out_edges)
149                 || (flags & ir_dump_flag_loops)
150                 || (flags & ir_dump_flag_consts_local)
151                 || (flags & ir_dump_flag_iredges);
152 }
153
154 static char *dump_filter;
155
156 void ir_set_dump_filter(const char *new_filter)
157 {
158         xfree(dump_filter);
159         dump_filter = xstrdup(new_filter);
160 }
161
162 const char *ir_get_dump_filter(void)
163 {
164         return dump_filter;
165 }
166
167 int ir_should_dump(const char *name)
168 {
169         const char *f, *n;
170
171         if (dump_filter == NULL || dump_filter[0] == '\0')
172                 return 1;
173
174         for (n = name, f = dump_filter; *f != '\0' && *n != '\0';
175                         ++n, ++f) {
176                 if (*n != *f)
177                         return 0;
178         }
179         return 1;
180 }
181
182 /* -------------- some extended helper functions ----------------- */
183
184 const char *get_mode_name_ex(const ir_mode *mode, int *bad)
185 {
186         if (is_mode(mode))
187                 return get_mode_name(mode);
188         if (bad != NULL)
189                 *bad |= 1;
190         return "<ERROR>";
191 }
192
193 #define CUSTOM_COLOR_BASE    100
194 static const char *color_names[ird_color_count];
195 static const char *color_rgb[ird_color_count];
196 static struct obstack color_obst;
197
198 /** define a custom color. */
199 static void custom_color(int num, const char *rgb_def)
200 {
201         assert(num < ird_color_count);
202         obstack_printf(&color_obst, "%d", CUSTOM_COLOR_BASE + num);
203         obstack_1grow(&color_obst, '\0');
204
205         color_rgb[num]   = rgb_def;
206         color_names[num] = (const char*)obstack_finish(&color_obst);
207 }
208
209 /** Define a named color. */
210 static void named_color(int num, const char *name)
211 {
212         assert(num < ird_color_count);
213         color_rgb[num]   = NULL;
214         color_names[num] = name;
215 }
216
217 /** Initializes the used colors. */
218 static void init_colors(void)
219 {
220         static int initialized = 0;
221         if (initialized)
222                 return;
223
224         obstack_init(&color_obst);
225
226         custom_color(ird_color_prog_background,       "204 204 204");
227         custom_color(ird_color_block_background,      "255 255 0");
228         custom_color(ird_color_dead_block_background, "190 150 150");
229         named_color(ird_color_block_inout,            "lightblue");
230         named_color(ird_color_default_node,           "white");
231         custom_color(ird_color_memory,                "153 153 255");
232         custom_color(ird_color_controlflow,           "255 153 153");
233         custom_color(ird_color_const,                 "204 255 255");
234         custom_color(ird_color_proj,                  "255 255 153");
235         custom_color(ird_color_uses_memory,           "153 153 255");
236         custom_color(ird_color_phi,                   "105 255 105");
237         custom_color(ird_color_anchor,                "100 100 255");
238         named_color(ird_color_error,                  "red");
239         custom_color(ird_color_entity,                "204 204 255");
240
241         initialized = 1;
242 }
243
244 /**
245  * Prints the VCG color to a file.
246  */
247 static void print_vcg_color(FILE *out, ird_color_t color)
248 {
249         assert(color < ird_color_count);
250         fprintf(out, "color:%s", color_names[color]);
251 }
252
253 /**
254  * Prints the edge kind of a given IR node.
255  *
256  * Projs should be dumped near their predecessor, so they get "nearedge".
257  */
258 static void print_node_edge_kind(FILE *out, ir_node *node)
259 {
260         if (is_Proj(node)) {
261                 fprintf(out, "nearedge: ");
262         } else {
263                 fprintf(out, "edge: ");
264         }
265 }
266
267 /**
268  * Prints the edge from a type S to a type T with additional info fmt, ...
269  * to the file F.
270  */
271 static void print_type_type_edge(FILE *F, const ir_type *S, const ir_type *T, const char *fmt, ...)
272 {
273         va_list ap;
274
275         va_start(ap, fmt);
276         fprintf(F, "edge: { sourcename: "); PRINT_TYPEID(S);
277         fprintf(F, " targetname: "); PRINT_TYPEID(T);
278         ir_vfprintf(F, fmt, ap);
279         fprintf(F,"}\n");
280         va_end(ap);
281 }
282
283 /**
284  * Prints the edge from a type tp to an entity ent with additional info fmt, ...
285  * to the file F.
286  */
287 static void print_type_ent_edge(FILE *F, const ir_type *tp, const ir_entity *ent, const char *fmt, ...)
288 {
289         va_list ap;
290
291         va_start(ap, fmt);
292         fprintf(F, "edge: { sourcename: "); PRINT_TYPEID(tp);
293         fprintf(F, " targetname: \""); PRINT_ENTID(ent); fprintf(F, "\"");
294         ir_vfprintf(F, fmt, ap);
295         fprintf(F, "}\n");
296         va_end(ap);
297 }
298
299 /**
300  * Prints the edge from an entity ent1 to an entity ent2 with additional info fmt, ...
301  * to the file F.
302  */
303 static void print_ent_ent_edge(FILE *F, const ir_entity *ent1, const ir_entity *ent2, int backedge, ird_color_t color, const char *fmt, ...)
304 {
305         va_list ap;
306
307         va_start(ap, fmt);
308         if (backedge)
309                 fprintf(F, "backedge: { sourcename: \"");
310         else
311                 fprintf(F, "edge: { sourcename: \"");
312         PRINT_ENTID(ent1);
313         fprintf(F, "\" targetname: \""); PRINT_ENTID(ent2);  fprintf(F, "\"");
314         ir_vfprintf(F, fmt, ap);
315         fprintf(F, " ");
316         if (color != ird_color_none)
317                 print_vcg_color(F, color);
318         fprintf(F, "}\n");
319         va_end(ap);
320 }
321
322 /**
323  * Prints the edge from an entity ent to a type tp with additional info fmt, ...
324  * to the file F.
325  */
326 static void print_ent_type_edge(FILE *F, const ir_entity *ent, const ir_type *tp, const char *fmt, ...)
327 {
328         va_list ap;
329
330         va_start(ap, fmt);
331         fprintf(F, "edge: { sourcename: \""); PRINT_ENTID(ent);
332         fprintf(F, "\" targetname: "); PRINT_TYPEID(tp);
333         ir_vfprintf(F, fmt, ap);
334         fprintf(F,"}\n");
335         va_end(ap);
336 }
337
338 /**
339  * Prints the edge from a node irn to a type tp with additional info fmt, ...
340  * to the file F.
341  */
342 static void print_node_type_edge(FILE *F, const ir_node *irn, ir_type *tp, const char *fmt, ...)
343 {
344         va_list ap;
345
346         va_start(ap, fmt);
347         fprintf(F, "edge: { sourcename: \""); PRINT_NODEID(irn);
348         fprintf(F, "\" targetname: "); PRINT_TYPEID(tp);
349         ir_vfprintf(F, fmt, ap);
350         fprintf(F,"}\n");
351         va_end(ap);
352 }
353
354 /**
355  * Prints the edge from a node irn to an entity ent with additional info fmt, ...
356  * to the file F.
357  */
358 static void print_node_ent_edge(FILE *F, const ir_node *irn, const ir_entity *ent, const char *fmt, ...)
359 {
360         va_list ap;
361
362         va_start(ap, fmt);
363         fprintf(F, "edge: { sourcename: \""); PRINT_NODEID(irn);
364         fprintf(F, "\" targetname: \""); PRINT_ENTID(ent);
365         fprintf(F, "\"");
366         ir_vfprintf(F, fmt, ap);
367         fprintf(F,"}\n");
368         va_end(ap);
369 }
370
371 /**
372  * Prints the edge from an entity ent to a node irn with additional info fmt, ...
373  * to the file F.
374  */
375 static void print_ent_node_edge(FILE *F, const ir_entity *ent, const ir_node *irn, const char *fmt, ...)
376 {
377         va_list ap;
378
379         va_start(ap, fmt);
380         fprintf(F, "edge: { sourcename: \""); PRINT_ENTID(ent);
381         fprintf(F, "\" targetname: \""); PRINT_NODEID(irn); fprintf(F, "\"");
382         ir_vfprintf(F, fmt, ap);
383         fprintf(F,"}\n");
384         va_end(ap);
385 }
386
387 /**
388  * Prints the edge from a type tp to an enumeration item item with additional info fmt, ...
389  * to the file F.
390  */
391 static void print_enum_item_edge(FILE *F, const ir_type *tp, size_t item, const char *fmt, ...)
392 {
393         va_list ap;
394
395         va_start(ap, fmt);
396         fprintf(F, "edge: { sourcename: "); PRINT_TYPEID(tp);
397         fprintf(F, " targetname: \""); PRINT_ITEMID(tp, item); fprintf(F, "\" ");
398         ir_vfprintf(F, fmt, ap);
399         fprintf(F,"}\n");
400         va_end(ap);
401 }
402
403 /*-----------------------------------------------------------------*/
404 /* global and ahead declarations                                   */
405 /*-----------------------------------------------------------------*/
406
407 static void dump_loop_nodes_into_graph(FILE *F, ir_graph *irg);
408
409 /*-----------------------------------------------------------------*/
410 /* Helper functions.                                                */
411 /*-----------------------------------------------------------------*/
412
413 /**
414  * This map is used as a private link attr to be able to call dumper
415  * anywhere without destroying link fields.
416  */
417 static pmap *irdump_link_map = NULL;
418
419 /** NOT A STANDARD LIBFIRM INIT METHOD
420  *
421  * We do not want to integrate dumping into libfirm, i.e., if the dumpers
422  * are off, we want to have as few interferences as possible.  Therefore the
423  * initialization is performed lazily and not called from within init_firm.
424  *
425  * Creates the link attribute map. */
426 static void init_irdump(void)
427 {
428         /* We need a new, empty map. */
429         if (irdump_link_map) pmap_destroy(irdump_link_map);
430         irdump_link_map = pmap_create();
431         if (!dump_file_filter_id)
432                 dump_file_filter_id = new_id_from_str("");
433 }
434
435 /**
436  * Returns the private link field.
437  */
438 static void *ird_get_irn_link(const ir_node *n)
439 {
440         void *res = NULL;
441         if (irdump_link_map == NULL)
442                 return NULL;
443
444         if (pmap_contains(irdump_link_map, n))
445                 res = pmap_get(irdump_link_map, n);
446         return res;
447 }
448
449 /**
450  * Sets the private link field.
451  */
452 static void ird_set_irn_link(const ir_node *n, void *x)
453 {
454         if (irdump_link_map == NULL)
455                 init_irdump();
456         pmap_insert(irdump_link_map, n, x);
457 }
458
459 /**
460  * Gets the private link field of an irg.
461  */
462 static void *ird_get_irg_link(const ir_graph *irg)
463 {
464         void *res = NULL;
465         if (irdump_link_map == NULL)
466                 return NULL;
467
468         if (pmap_contains(irdump_link_map, irg))
469                 res = pmap_get(irdump_link_map, irg);
470         return res;
471 }
472
473 /**
474  * Sets the private link field of an irg.
475  */
476 static void ird_set_irg_link(const ir_graph *irg, void *x)
477 {
478         if (irdump_link_map == NULL)
479                 init_irdump();
480         pmap_insert(irdump_link_map, irg, x);
481 }
482
483 /**
484  * Walker, clears the private link field.
485  */
486 static void clear_link(ir_node *node, void *env)
487 {
488         (void) env;
489         ird_set_irn_link(node, NULL);
490 }
491
492 /**
493  * If the entity has a ld_name, returns it if the dump_ld_name is set,
494  * else returns the name of the entity.
495  */
496 static const char *_get_ent_dump_name(const ir_entity *ent, bool dump_ld_name)
497 {
498         if (ent == NULL)
499                 return "<NULL entity>";
500         if (dump_ld_name) {
501                 /* Don't use get_entity_ld_ident (ent) as it computes the mangled name! */
502                 if (ent->ld_name != NULL)
503                         return get_id_str(ent->ld_name);
504         }
505         return get_id_str(ent->name);
506 }
507
508 const char *get_ent_dump_name(const ir_entity *ent)
509 {
510         return _get_ent_dump_name(ent, flags & ir_dump_flag_ld_names);
511 }
512
513 const char *get_irg_dump_name(const ir_graph *irg)
514 {
515         /* Don't use get_entity_ld_ident (ent) as it computes the mangled name! */
516         return _get_ent_dump_name(get_irg_entity(irg), true);
517 }
518
519 /**
520  * Returns non-zero if a node is in floating state.
521  */
522 static int node_floats(const ir_node *n)
523 {
524         return ((get_irn_pinned(n) == op_pin_state_floats) &&
525                 (get_irg_pinned(current_ir_graph) == op_pin_state_floats));
526 }
527
528 /**
529  *  Walker that visits the anchors
530  */
531 static void ird_walk_graph(ir_graph *irg, irg_walk_func *pre, irg_walk_func *post, void *env)
532 {
533         if ((flags & ir_dump_flag_all_anchors)
534                         || ((flags & ir_dump_flag_iredges) && edges_activated(irg))) {
535                 irg_walk_anchors(irg, pre, post, env);
536         } else {
537                 irg_walk_graph(irg, pre, post, env);
538         }
539 }
540
541 /**
542  * Walker, allocates an array for all blocks and puts their non-floating
543  * nodes into this array.
544  */
545 static void collect_node(ir_node *node, void *env)
546 {
547         (void) env;
548         if (is_Block(node)
549             || node_floats(node)
550             || (get_op_flags(get_irn_op(node)) & irop_flag_dump_noblock)) {
551                 ir_node ** arr = (ir_node **) ird_get_irg_link(get_irn_irg(node));
552                 if (!arr) arr = NEW_ARR_F(ir_node *, 0);
553                 ARR_APP1(ir_node *, arr, node);
554                 ird_set_irg_link(get_irn_irg(node), arr);    /* arr is an l-value, APP_ARR might change it! */
555         } else {
556                 ir_node * block = get_nodes_block(node);
557
558                 if (is_Bad(block)) {
559                         /* this node is in a Bad block, so we must place it into the graph's list */
560                         ir_node ** arr = (ir_node **) ird_get_irg_link(get_irn_irg(node));
561                         if (!arr) arr = NEW_ARR_F(ir_node *, 0);
562                         ARR_APP1(ir_node *, arr, node);
563                         ird_set_irg_link(get_irn_irg(node), arr);    /* arr is an l-value, APP_ARR might change it! */
564                 } else {
565                         ird_set_irn_link(node, ird_get_irn_link(block));
566                         ird_set_irn_link(block, node);
567                 }
568         }
569 }
570
571 /** Construct lists to walk ir block-wise.
572  *
573  * Collects all blocks, nodes not op_pin_state_pinned,
574  * Bad, NoMem and Unknown into a flexible array in link field of
575  * irg they belong to.  Sets the irg link field to NULL in all
576  * graphs not visited.
577  * Free the list with DEL_ARR_F().
578  */
579 static ir_node **construct_block_lists(ir_graph *irg)
580 {
581         size_t   i;
582         int      walk_flag = ir_resources_reserved(irg) & IR_RESOURCE_IRN_VISITED;
583         ir_graph *rem      = current_ir_graph;
584
585         current_ir_graph = irg;
586
587         if (walk_flag) {
588                 ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
589         }
590
591         for (i = get_irp_n_irgs(); i > 0;)
592                 ird_set_irg_link(get_irp_irg(--i), NULL);
593
594         ird_walk_graph(current_ir_graph, clear_link, collect_node, current_ir_graph);
595
596         if (walk_flag) {
597                 ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
598         }
599
600         current_ir_graph = rem;
601         return (ir_node**)ird_get_irg_link(irg);
602 }
603
604 typedef struct list_tuple {
605         ir_node **blk_list;
606         ir_extblk **extbb_list;
607 } list_tuple;
608
609 /** Construct lists to walk IR extended block-wise.
610  * Free the lists in the tuple with DEL_ARR_F(). Sets the irg link field to
611  * NULL in all graphs not visited.
612  */
613 static list_tuple *construct_extblock_lists(ir_graph *irg)
614 {
615         ir_node **blk_list = construct_block_lists(irg);
616         size_t i, n;
617         ir_graph *rem = current_ir_graph;
618         list_tuple *lists = XMALLOC(list_tuple);
619
620         current_ir_graph = irg;
621
622         lists->blk_list   = NEW_ARR_F(ir_node *, 0);
623         lists->extbb_list = NEW_ARR_F(ir_extblk *, 0);
624
625         inc_irg_block_visited(irg);
626         for (i = 0, n = ARR_LEN(blk_list); i < n; ++i) {
627                 ir_extblk *ext;
628
629                 if (is_Block(blk_list[i])) {
630                         ext = get_Block_extbb(blk_list[i]);
631
632                         if (extbb_not_visited(ext)) {
633                                 ARR_APP1(ir_extblk *, lists->extbb_list, ext);
634                                 mark_extbb_visited(ext);
635                         }
636                 } else
637                         ARR_APP1(ir_node *, lists->blk_list, blk_list[i]);
638         }
639         DEL_ARR_F(blk_list);
640
641         current_ir_graph = rem;
642         ird_set_irg_link(irg, lists);
643         return lists;
644 }
645
646 void dump_node_opcode(FILE *F, ir_node *n)
647 {
648         const ir_op_ops *ops = get_op_ops(get_irn_op(n));
649
650         /* call the dump_node operation if available */
651         if (ops->dump_node) {
652                 ops->dump_node(F, n, dump_node_opcode_txt);
653                 return;
654         }
655
656         /* implementation for default nodes */
657         switch (get_irn_opcode(n)) {
658         case iro_SymConst:
659                 switch (get_SymConst_kind(n)) {
660                 case symconst_addr_ent:
661                         fprintf(F, "SymC &%s", get_entity_name(get_SymConst_entity(n)));
662                         break;
663                 case symconst_ofs_ent:
664                         fprintf(F, "SymC %s offset", get_entity_name(get_SymConst_entity(n)));
665                         break;
666                 case symconst_type_tag:
667                         ir_fprintf(F, "SymC %+F tag", get_SymConst_type(n));
668                         break;
669                 case symconst_type_size:
670                         ir_fprintf(F, "SymC %+F size", get_SymConst_type(n));
671                         break;
672                 case symconst_type_align:
673                         ir_fprintf(F, "SymC %+F align", get_SymConst_type(n));
674                         break;
675                 case symconst_enum_const:
676                         fprintf(F, "SymC %s enum", get_enumeration_const_name(get_SymConst_enum(n)));
677                         break;
678                 }
679                 break;
680
681         case iro_Proj: {
682                 ir_node *pred = get_Proj_pred(n);
683
684                 if (get_irn_opcode(pred) == iro_Cond
685                         && get_Proj_proj(n) == get_Cond_default_proj(pred)
686                         && get_irn_mode(get_Cond_selector(pred)) != mode_b)
687                         fprintf(F, "defProj");
688                 else
689                         goto default_case;
690         } break;
691
692         case iro_Load:
693                 if (get_Load_unaligned(n) == align_non_aligned)
694                         fprintf(F, "ua");
695                 fprintf(F, "%s[%s]", get_irn_opname(n), get_mode_name_ex(get_Load_mode(n), NULL));
696                 break;
697         case iro_Store:
698                 if (get_Store_unaligned(n) == align_non_aligned)
699                         fprintf(F, "ua");
700                 fprintf(F, "%s", get_irn_opname(n));
701                 break;
702         case iro_Block:
703                 if (n == get_irg_start_block(get_irn_irg(n)))
704                         fputs("Start ", F);
705                 if (n == get_irg_end_block(get_irn_irg(n)))
706                         fputs("End ", F);
707                 fprintf(F, "%s%s", get_irn_opname(n),
708                         (flags & ir_dump_flag_show_marks) ? (get_Block_mark(n) ? "*" : "") : "");
709                 break;
710         case iro_Conv:
711                 if (get_Conv_strict(n))
712                         fprintf(F, "strict");
713                 fprintf(F, "%s", get_irn_opname(n));
714                 break;
715         case iro_Div:
716                 fprintf(F, "%s", get_irn_opname(n));
717                 if (get_Div_no_remainder(n))
718                         fprintf(F, "RL");
719                 fprintf(F, "[%s]", get_mode_name_ex(get_Div_resmode(n), NULL));
720                 break;
721         case iro_Mod:
722                 fprintf(F, "%s[%s]", get_irn_opname(n), get_mode_name_ex(get_Mod_resmode(n), NULL));
723                 break;
724         case iro_Builtin:
725                 fprintf(F, "%s[%s]", get_irn_opname(n), get_builtin_kind_name(get_Builtin_kind(n)));
726                 break;
727
728         default:
729 default_case:
730                 fprintf(F, "%s", get_irn_opname(n));
731         }
732 }
733
734 /**
735  * Dump the mode of a node n to a file F.
736  * Ignore modes that are "always known".
737  */
738 static void dump_node_mode(FILE *F, ir_node *n)
739 {
740         const ir_op_ops *ops = get_op_ops(get_irn_op(n));
741         unsigned         iro;
742         ir_mode         *mode;
743
744         /* call the dump_node operation if available */
745         if (ops->dump_node) {
746                 ops->dump_node(F, n, dump_node_mode_txt);
747                 return;
748         }
749
750         /* default implementation */
751         iro = get_irn_opcode(n);
752         switch (iro) {
753         case iro_SymConst:
754         case iro_Sel:
755         case iro_End:
756         case iro_Return:
757         case iro_Free:
758         case iro_Sync:
759         case iro_Jmp:
760         case iro_NoMem:
761                 break;
762         default:
763                 mode = get_irn_mode(n);
764
765                 if (mode != NULL && mode != mode_BB && mode != mode_ANY && mode != mode_BAD &&
766                         (mode != mode_T || iro == iro_Proj))
767                         fprintf(F, "%s", get_mode_name_ex(mode, NULL));
768         }
769 }
770
771 /**
772  * Dump the type of a node n to a file F if it's known.
773  */
774 static int dump_node_typeinfo(FILE *F, ir_node *n)
775 {
776         int bad = 0;
777
778         if (ir_get_dump_flags() & ir_dump_flag_analysed_types) {
779                 if (get_irg_typeinfo_state(current_ir_graph) == ir_typeinfo_consistent  ||
780                         get_irg_typeinfo_state(current_ir_graph) == ir_typeinfo_inconsistent) {
781                         ir_type *tp = get_irn_typeinfo_type(n);
782                         if (tp != firm_none_type) {
783                                 ir_fprintf(F, "[%+F]", tp);
784                         } else {
785                                 fprintf(F, "[] ");
786                         }
787                 }
788         }
789         return bad;
790 }
791
792 typedef struct pns_lookup {
793         long       nr;      /**< the proj number */
794         const char *name;   /**< the name of the Proj */
795 } pns_lookup_t;
796
797 typedef struct proj_lookup {
798         unsigned           code;      /**< the opcode of the Proj predecessor */
799         unsigned           num_data;  /**< number of data entries */
800         const pns_lookup_t *data;     /**< the data */
801 } proj_lookup_t;
802
803 /** the lookup table for Proj(Start) names */
804 static const pns_lookup_t start_lut[] = {
805 #define X(a)    { pn_Start_##a, #a }
806         X(X_initial_exec),
807         X(M),
808         X(P_frame_base),
809         X(T_args),
810 #undef X
811 };
812
813 /** the lookup table for Proj(Cond) names */
814 static const pns_lookup_t cond_lut[] = {
815 #define X(a)    { pn_Cond_##a, #a }
816         X(false),
817         X(true)
818 #undef X
819 };
820
821 /** the lookup table for Proj(Call) names */
822 static const pns_lookup_t call_lut[] = {
823 #define X(a)    { pn_Call_##a, #a }
824         X(M),
825         X(X_regular),
826         X(X_except),
827         X(T_result),
828 #undef X
829 };
830
831 /** the lookup table for Proj(Div) names */
832 static const pns_lookup_t div_lut[] = {
833 #define X(a)    { pn_Div_##a, #a }
834         X(M),
835         X(X_regular),
836         X(X_except),
837         X(res)
838 #undef X
839 };
840
841 /** the lookup table for Proj(Mod) names */
842 static const pns_lookup_t mod_lut[] = {
843 #define X(a)    { pn_Mod_##a, #a }
844         X(M),
845         X(X_regular),
846         X(X_except),
847         X(res)
848 #undef X
849 };
850
851 /** the lookup table for Proj(Load) names */
852 static const pns_lookup_t load_lut[] = {
853 #define X(a)    { pn_Load_##a, #a }
854         X(M),
855         X(X_regular),
856         X(X_except),
857         X(res)
858 #undef X
859 };
860
861 /** the lookup table for Proj(Store) names */
862 static const pns_lookup_t store_lut[] = {
863 #define X(a)    { pn_Store_##a, #a }
864         X(M),
865         X(X_regular),
866         X(X_except)
867 #undef X
868 };
869
870 /** the lookup table for Proj(Alloc) names */
871 static const pns_lookup_t alloc_lut[] = {
872 #define X(a)    { pn_Alloc_##a, #a }
873         X(M),
874         X(X_regular),
875         X(X_except),
876         X(res)
877 #undef X
878 };
879
880 /** the lookup table for Proj(CopyB) names */
881 static const pns_lookup_t copyb_lut[] = {
882 #define X(a)    { pn_CopyB_##a, #a }
883         X(M),
884         X(X_regular),
885         X(X_except),
886 #undef X
887 };
888
889 /** the lookup table for Proj(InstOf) names */
890 static const pns_lookup_t instof_lut[] = {
891 #define X(a)    { pn_InstOf_##a, #a }
892         X(M),
893         X(X_regular),
894         X(X_except),
895         X(res),
896 #undef X
897 };
898
899 /** the lookup table for Proj(Raise) names */
900 static const pns_lookup_t raise_lut[] = {
901 #define X(a)    { pn_Raise_##a, #a }
902         X(M),
903         X(X),
904 #undef X
905 };
906
907 /** the lookup table for Proj(Bound) names */
908 static const pns_lookup_t bound_lut[] = {
909 #define X(a)    { pn_Bound_##a, #a }
910         X(M),
911         X(X_regular),
912         X(X_except),
913         X(res),
914 #undef X
915 };
916
917 /** the Proj lookup table */
918 static const proj_lookup_t proj_lut[] = {
919 #define E(a)  ARRAY_SIZE(a), a
920         { iro_Start,   E(start_lut) },
921         { iro_Cond,    E(cond_lut) },
922         { iro_Call,    E(call_lut) },
923         { iro_Div,     E(div_lut) },
924         { iro_Mod,     E(mod_lut) },
925         { iro_Load,    E(load_lut) },
926         { iro_Store,   E(store_lut) },
927         { iro_Alloc,   E(alloc_lut) },
928         { iro_CopyB,   E(copyb_lut) },
929         { iro_InstOf,  E(instof_lut) },
930         { iro_Raise,   E(raise_lut) },
931         { iro_Bound,   E(bound_lut) }
932 #undef E
933 };
934
935 /**
936  * Dump additional node attributes of some nodes to a file F.
937  */
938 static void dump_node_nodeattr(FILE *F, ir_node *n)
939 {
940         ir_node *pred;
941         unsigned code;
942         long proj_nr;
943         const ir_op_ops *ops = get_op_ops(get_irn_op(n));
944
945         /* call the dump_node operation if available */
946         if (ops->dump_node) {
947                 ops->dump_node(F, n, dump_node_nodeattr_txt);
948                 return;
949         }
950
951         switch (get_irn_opcode(n)) {
952         case iro_Const:
953                 ir_fprintf(F, "%T ", get_Const_tarval(n));
954                 break;
955
956         case iro_Proj:
957                 pred    = get_Proj_pred(n);
958                 proj_nr = get_Proj_proj(n);
959                 code    = get_irn_opcode(pred);
960
961                 if (code == iro_Proj && get_irn_opcode(get_Proj_pred(pred)) == iro_Start)
962                         fprintf(F, "Arg %ld ", proj_nr);
963                 else if (code == iro_Cond && get_irn_mode(get_Cond_selector(pred)) != mode_b)
964                         fprintf(F, "%ld ", proj_nr);
965                 else {
966                         unsigned i, j, f = 0;
967
968                         for (i = 0; i < ARRAY_SIZE(proj_lut); ++i) {
969                                 if (code == proj_lut[i].code) {
970                                         for (j = 0; j < proj_lut[i].num_data; ++j) {
971                                                 if (proj_nr == proj_lut[i].data[j].nr) {
972                                                         fprintf(F, "%s ", proj_lut[i].data[j].name);
973                                                         f = 1;
974                                                         break;
975                                                 }
976                                         }
977                                         break;
978                                 }
979                         }
980                         if (! f)
981                                 fprintf(F, "%ld ", proj_nr);
982                         if (code == iro_Cond && get_Cond_jmp_pred(pred) != COND_JMP_PRED_NONE) {
983                                 if (proj_nr == pn_Cond_false && get_Cond_jmp_pred(pred) == COND_JMP_PRED_FALSE)
984                                         fprintf(F, "PRED ");
985                                 if (proj_nr == pn_Cond_true && get_Cond_jmp_pred(pred) == COND_JMP_PRED_TRUE)
986                                         fprintf(F, "PRED ");
987                         }
988                 }
989                 break;
990         case iro_Sel:
991                 fprintf(F, "%s ", get_ent_dump_name(get_Sel_entity(n)));
992                 break;
993         case iro_Cast:
994                 ir_fprintf(F, "(%+F)", get_Cast_type(n));
995                 break;
996         case iro_Cmp:
997                 fprintf(F, "%s ", get_relation_string(get_Cmp_relation(n)));
998                 break;
999         case iro_Confirm:
1000                 fprintf(F, "%s ", get_relation_string(get_Confirm_relation(n)));
1001                 break;
1002         case iro_CopyB:
1003                 ir_fprintf(F, "(%+F)", get_CopyB_type(n));
1004                 break;
1005
1006         default:
1007                 break;
1008         } /* end switch */
1009 }
1010
1011 static void dump_node_ana_vals(FILE *F, ir_node *n)
1012 {
1013         (void) F;
1014         (void) n;
1015         return;
1016 }
1017
1018 void dump_node_label(FILE *F, ir_node *n)
1019 {
1020         dump_node_opcode(F, n);
1021         fputs(" ", F);
1022         dump_node_mode(F, n);
1023         fprintf(F, " ");
1024         dump_node_typeinfo(F, n);
1025         dump_node_nodeattr(F, n);
1026         if (flags & ir_dump_flag_number_label) {
1027                 fprintf(F, "%ld", get_irn_node_nr(n));
1028         }
1029         if (flags & ir_dump_flag_idx_label) {
1030                 fprintf(F, ":%u", get_irn_idx(n));
1031         }
1032 }
1033
1034 /**
1035  * Dumps the attributes of a node n into the file F.
1036  * Currently this is only the color of a node.
1037  */
1038 static void dump_node_vcgattr(FILE *F, ir_node *node, ir_node *local, int bad)
1039 {
1040         ir_mode *mode;
1041         ir_node *n;
1042
1043         if (bad) {
1044                 print_vcg_color(F, ird_color_error);
1045                 return;
1046         }
1047
1048         if (dump_node_vcgattr_hook != NULL) {
1049                 dump_node_vcgattr_hook(F, node, local);
1050                 return;
1051         }
1052
1053         n = local ? local : node;
1054
1055         if (overrule_nodecolor != ird_color_default_node) {
1056                 print_vcg_color(F, overrule_nodecolor);
1057                 return;
1058         }
1059
1060         mode = get_irn_mode(n);
1061         if (mode == mode_M) {
1062                 print_vcg_color(F, ird_color_memory);
1063                 return;
1064         }
1065         if (mode == mode_X) {
1066                 print_vcg_color(F, ird_color_controlflow);
1067                 return;
1068         }
1069
1070         switch (get_irn_opcode(n)) {
1071         case iro_Start:
1072         case iro_End:
1073                 print_vcg_color(F, ird_color_anchor);
1074                 break;
1075         case iro_Bad:
1076                 print_vcg_color(F, ird_color_error);
1077                 break;
1078         case iro_Block:
1079                 print_vcg_color(F, ird_color_block_background);
1080                 break;
1081         case iro_Phi:
1082                 print_vcg_color(F, ird_color_phi);
1083                 break;
1084         case iro_Pin:
1085                 print_vcg_color(F, ird_color_memory);
1086                 break;
1087         case iro_SymConst:
1088         case iro_Const:
1089                 print_vcg_color(F, ird_color_const);
1090                 break;
1091         case iro_Proj:
1092                 print_vcg_color(F, ird_color_proj);
1093                 break;
1094         default: {
1095                 ir_op *op = get_irn_op(node);
1096
1097                 if (is_op_constlike(op)) {
1098                         print_vcg_color(F, ird_color_const);
1099                 } else if (is_op_uses_memory(op)) {
1100                         print_vcg_color(F, ird_color_uses_memory);
1101                 } else if (is_op_cfopcode(op) || is_op_forking(op)) {
1102                         print_vcg_color(F, ird_color_controlflow);
1103                 }
1104         }
1105         }
1106 }
1107
1108 void *dump_add_node_info_callback(dump_node_info_cb_t *cb, void *data)
1109 {
1110         hook_entry_t *info = XMALLOCZ(hook_entry_t);
1111
1112         info->hook._hook_node_info = cb;
1113         info->context              = data;
1114         register_hook(hook_node_info, info);
1115
1116         return info;
1117 }
1118
1119 void dump_remove_node_info_callback(void *handle)
1120 {
1121         hook_entry_t *info = (hook_entry_t*)handle;
1122         unregister_hook(hook_node_info, info);
1123         xfree(info);
1124 }
1125
1126 /**
1127  * Dump the node information of a node n to a file F.
1128  */
1129 static void dump_node_info(FILE *F, ir_node *n)
1130 {
1131         const ir_op_ops *ops = get_op_ops(get_irn_op(n));
1132
1133         fprintf(F, " info1: \"");
1134         dump_irnode_to_file(F, n);
1135         /* call the dump_node operation if available */
1136         if (ops->dump_node)
1137                 ops->dump_node(F, n, dump_node_info_txt);
1138
1139         /* allow additional info to be added */
1140         hook_node_info(F, n);
1141         fprintf(F, "\"\n");
1142 }
1143
1144 static int is_constlike_node(const ir_node *node)
1145 {
1146         const ir_op *op = get_irn_op(node);
1147         return is_op_constlike(op);
1148 }
1149
1150
1151 /** outputs the predecessors of n, that are constants, local.  I.e.,
1152    generates a copy of the constant predecessors for each node called with. */
1153 static void dump_const_node_local(FILE *F, ir_node *n)
1154 {
1155         int i;
1156         if (!get_opt_dump_const_local()) return;
1157
1158         /* Use visited flag to avoid outputting nodes twice.
1159         initialize it first. */
1160         for (i = 0; i < get_irn_arity(n); i++) {
1161                 ir_node *con = get_irn_n(n, i);
1162                 if (is_constlike_node(con)) {
1163                         set_irn_visited(con, get_irg_visited(current_ir_graph) - 1);
1164                 }
1165         }
1166
1167         for (i = 0; i < get_irn_arity(n); i++) {
1168                 ir_node *con = get_irn_n(n, i);
1169                 if (is_constlike_node(con) && !irn_visited_else_mark(con)) {
1170                         /* Generate a new name for the node by appending the names of
1171                         n and const. */
1172                         fprintf(F, "node: {title: "); PRINT_CONSTID(n, con);
1173                         fprintf(F, " label: \"");
1174                         dump_node_label(F, con);
1175                         fprintf(F, "\" ");
1176                         dump_node_info(F, con);
1177                         dump_node_vcgattr(F, n, con, 0);
1178                         fprintf(F, "}\n");
1179                 }
1180         }
1181 }
1182
1183 /** If the block of an edge is a const_like node, dump it local with an edge */
1184 static void dump_const_block_local(FILE *F, ir_node *n)
1185 {
1186         ir_node *blk;
1187
1188         if (!get_opt_dump_const_local()) return;
1189
1190         blk = get_nodes_block(n);
1191         if (is_constlike_node(blk)) {
1192                 /* Generate a new name for the node by appending the names of
1193                 n and blk. */
1194                 fprintf(F, "node: {title: \""); PRINT_CONSTBLKID(n, blk);
1195                 fprintf(F, "\" label: \"");
1196                 dump_node_label(F, blk);
1197                 fprintf(F, "\" ");
1198                 dump_node_info(F, blk);
1199                 dump_node_vcgattr(F, n, blk, 0);
1200                 fprintf(F, "}\n");
1201
1202                 fprintf(F, "edge: { sourcename: \"");
1203                 PRINT_NODEID(n);
1204                 fprintf(F, "\" targetname: \""); PRINT_CONSTBLKID(n,blk);
1205
1206                 if (dump_edge_vcgattr_hook) {
1207                         fprintf(F, "\" ");
1208                         if (dump_edge_vcgattr_hook(F, n, -1)) {
1209                                 fprintf(F, "}\n");
1210                                 return;
1211                         } else {
1212                                 fprintf(F, " " BLOCK_EDGE_ATTR "}\n");
1213                                 return;
1214                         }
1215                 }
1216
1217                 fprintf(F, "\" "   BLOCK_EDGE_ATTR "}\n");
1218         }
1219 }
1220
1221 /**
1222  * prints the error message of a node to a file F as info2.
1223  */
1224 static void print_node_error(FILE *F, const char *err_msg)
1225 {
1226         if (! err_msg)
1227                 return;
1228
1229         fprintf(F, " info2: \"%s\"", err_msg);
1230 }
1231
1232 /**
1233  * prints debug messages of a node to file F as info3.
1234  */
1235 static void print_dbg_info(FILE *F, dbg_info *dbg)
1236 {
1237         char buf[1024];
1238
1239         ir_dbg_info_snprint(buf, sizeof(buf), dbg);
1240         if (buf[0] != 0) {
1241                 fprintf(F, " info3: \"%s\"\n", buf);
1242         }
1243 }
1244
1245 static void print_type_dbg_info(FILE *F, type_dbg_info *dbg)
1246 {
1247         (void) F;
1248         (void) dbg;
1249         /* TODO */
1250 }
1251
1252 /**
1253  * Dump a node
1254  */
1255 static void dump_node(FILE *F, ir_node *n)
1256 {
1257         int bad = 0;
1258         const char *p;
1259
1260         if (get_opt_dump_const_local() && is_constlike_node(n))
1261                 return;
1262
1263         /* dump this node */
1264         fputs("node: {title: \"", F);
1265         PRINT_NODEID(n);
1266         fputs("\"", F);
1267
1268         fputs(" label: \"", F);
1269         bad = ! irn_verify_irg_dump(n, current_ir_graph, &p);
1270         dump_node_label(F, n);
1271         dump_node_ana_vals(F, n);
1272         //dump_node_ana_info(F, n);
1273         fputs("\" ", F);
1274
1275         if (get_op_flags(get_irn_op(n)) & irop_flag_dump_noinput) {
1276                 //fputs(" node_class:23", F);
1277         }
1278
1279         dump_node_info(F, n);
1280         print_node_error(F, p);
1281         print_dbg_info(F, get_irn_dbg_info(n));
1282         dump_node_vcgattr(F, n, NULL, bad);
1283         fputs("}\n", F);
1284         dump_const_node_local(F, n);
1285
1286         if (dump_node_edge_hook)
1287                 dump_node_edge_hook(F, n);
1288 }
1289
1290 /** dump the edge to the block this node belongs to */
1291 static void dump_ir_block_edge(FILE *F, ir_node *n)
1292 {
1293         if (get_opt_dump_const_local() && is_constlike_node(n)) return;
1294         if (!is_Block(n)) {
1295                 ir_node *block = get_nodes_block(n);
1296
1297                 if (get_opt_dump_const_local() && is_constlike_node(block)) {
1298                         dump_const_block_local(F, n);
1299                 } else {
1300                         fprintf(F, "edge: { sourcename: \"");
1301                         PRINT_NODEID(n);
1302                         fprintf(F, "\" targetname: ");
1303                         fprintf(F, "\""); PRINT_NODEID(block); fprintf(F, "\"");
1304
1305                         if (dump_edge_vcgattr_hook) {
1306                                 fprintf(F, " ");
1307                                 if (dump_edge_vcgattr_hook(F, n, -1)) {
1308                                         fprintf(F, "}\n");
1309                                         return;
1310                                 } else {
1311                                         fprintf(F, " "  BLOCK_EDGE_ATTR "}\n");
1312                                         return;
1313                                 }
1314                         }
1315
1316                         fprintf(F, " "   BLOCK_EDGE_ATTR "}\n");
1317                 }
1318         }
1319 }
1320
1321 static void print_data_edge_vcgattr(FILE *F, ir_node *from, int to)
1322 {
1323         /*
1324          * do not use get_nodes_block() here, will fail
1325          * if the irg is not pinned.
1326          */
1327         if (get_irn_n(from, -1) == get_irn_n(get_irn_n(from, to), -1))
1328                 fprintf(F, INTRA_DATA_EDGE_ATTR);
1329         else
1330                 fprintf(F, INTER_DATA_EDGE_ATTR);
1331 }
1332
1333 static void print_mem_edge_vcgattr(FILE *F, ir_node *from, int to)
1334 {
1335         /*
1336          * do not use get_nodes_block() here, will fail
1337          * if the irg is not pinned.
1338          */
1339         if (get_irn_n(from, -1) == get_irn_n(get_irn_n(from, to), -1))
1340                 fprintf(F, INTRA_MEM_EDGE_ATTR);
1341         else
1342                 fprintf(F, INTER_MEM_EDGE_ATTR);
1343 }
1344
1345 /** Print the vcg attributes for the edge from node "from" to its "to"th input */
1346 static void print_edge_vcgattr(FILE *F, ir_node *from, int to)
1347 {
1348         assert(from);
1349
1350         if (dump_edge_vcgattr_hook)
1351                 if (dump_edge_vcgattr_hook(F, from, to))
1352                         return;
1353
1354         if ((flags & ir_dump_flag_back_edges) && is_backedge(from, to))
1355                 fprintf(F, BACK_EDGE_ATTR);
1356
1357         switch (get_irn_opcode(from)) {
1358         case iro_Block:
1359                 fprintf(F, CF_EDGE_ATTR);
1360                 break;
1361         case iro_Start:  break;
1362         case iro_End:
1363                 if (to >= 0) {
1364                         if (get_irn_mode(get_End_keepalive(from, to)) == mode_BB)
1365                                 fprintf(F, KEEP_ALIVE_CF_EDGE_ATTR);
1366                         else
1367                                 fprintf(F, KEEP_ALIVE_DF_EDGE_ATTR);
1368                 }
1369                 break;
1370         default:
1371                 if (is_Proj(from)) {
1372                         if (get_irn_mode(from) == mode_M)
1373                                 print_mem_edge_vcgattr(F, from, to);
1374                         else if (get_irn_mode(from) == mode_X)
1375                                 fprintf(F, CF_EDGE_ATTR);
1376                         else
1377                                 print_data_edge_vcgattr(F, from, to);
1378                 }
1379                 else if (get_irn_mode(get_irn_n(from, to)) == mode_M)
1380                         print_mem_edge_vcgattr(F, from, to);
1381                 else if (get_irn_mode(get_irn_n(from, to)) == mode_X)
1382                         fprintf(F, CF_EDGE_ATTR);
1383                 else
1384                         print_data_edge_vcgattr(F, from, to);
1385         }
1386 }
1387
1388 /** dump edges to our inputs */
1389 static void dump_ir_data_edges(FILE *F, ir_node *n)
1390 {
1391         int i, num;
1392
1393         if (!(flags & ir_dump_flag_keepalive_edges) && is_End(n)) {
1394                 /* the End node has only keep-alive edges */
1395                 return;
1396         }
1397
1398         /* dump the dependency edges. */
1399         num = get_irn_deps(n);
1400         for (i = 0; i < num; ++i) {
1401                 ir_node *dep = get_irn_dep(n, i);
1402
1403                 if (dep) {
1404                         print_node_edge_kind(F, n);
1405                         fprintf(F, "{sourcename: \"");
1406                         PRINT_NODEID(n);
1407                         fprintf(F, "\" targetname: ");
1408                         if ((get_opt_dump_const_local()) && is_constlike_node(dep)) {
1409                                 PRINT_CONSTID(n, dep);
1410                         } else {
1411                                 fprintf(F, "\"");
1412                                 PRINT_NODEID(dep);
1413                                 fprintf(F, "\"");
1414                         }
1415                         fprintf(F, " label: \"%d\" ", i);
1416                         fprintf(F, " color: darkgreen}\n");
1417                 }
1418         }
1419
1420         num = get_irn_arity(n);
1421         for (i = 0; i < num; i++) {
1422                 ir_node *pred = get_irn_n(n, i);
1423                 assert(pred);
1424
1425                 if ((flags & ir_dump_flag_back_edges) && is_backedge(n, i)) {
1426                         fprintf(F, "backedge: {sourcename: \"");
1427                 } else {
1428                         print_node_edge_kind(F, n);
1429                         fprintf(F, "{sourcename: \"");
1430                 }
1431                 PRINT_NODEID(n);
1432                 fprintf(F, "\" targetname: ");
1433                 if ((get_opt_dump_const_local()) && is_constlike_node(pred)) {
1434                         PRINT_CONSTID(n, pred);
1435                 } else {
1436                         fprintf(F, "\""); PRINT_NODEID(pred); fprintf(F, "\"");
1437                 }
1438                 fprintf(F, " label: \"%d\" ", i);
1439                 print_edge_vcgattr(F, n, i);
1440                 fprintf(F, "}\n");
1441         }
1442 }
1443
1444 /**
1445  * Dump the ir_edges
1446  */
1447 static void dump_ir_edges(ir_node *node, void *env)
1448 {
1449         int              i = 0;
1450         FILE            *F = (FILE*)env;
1451         const ir_edge_t *edge;
1452
1453         foreach_out_edge(node, edge) {
1454                 ir_node *succ = get_edge_src_irn(edge);
1455
1456                 print_node_edge_kind(F, succ);
1457                 fprintf(F, "{sourcename: \"");
1458                 PRINT_NODEID(node);
1459                 fprintf(F, "\" targetname: \"");
1460                 PRINT_NODEID(succ);
1461                 fprintf(F, "\"");
1462
1463                 fprintf(F, " label: \"%d\" ", i);
1464                 fprintf(F, OUT_EDGE_ATTR);
1465                 fprintf(F, "}\n");
1466                 ++i;
1467         }
1468 }
1469
1470
1471 /** Dumps a node and its edges but not the block edge  */
1472 static void dump_node_wo_blockedge(ir_node *n, void *env)
1473 {
1474         FILE *F = (FILE*)env;
1475         dump_node(F, n);
1476         dump_ir_data_edges(F, n);
1477 }
1478
1479 /** Dumps a node and its edges. */
1480 static void dump_node_with_edges(ir_node *n, void *env)
1481 {
1482         FILE *F = (FILE*)env;
1483         dump_node_wo_blockedge(n, env);
1484         if (!node_floats(n))
1485                 dump_ir_block_edge(F, n);
1486 }
1487
1488 /** Dumps a const-like node. */
1489 static void dump_const_node(ir_node *n, void *env)
1490 {
1491         if (is_Block(n)) return;
1492         dump_node_wo_blockedge(n, env);
1493 }
1494
1495 /***********************************************************************/
1496 /* the following routines dump the nodes/irgs bracketed to graphs.     */
1497 /***********************************************************************/
1498
1499 /** Dumps a constant expression as entity initializer, array bound ... */
1500 static void dump_const_expression(FILE *F, ir_node *value)
1501 {
1502         ir_graph *rem = current_ir_graph;
1503         ir_dump_flags_t old_flags = ir_get_dump_flags();
1504         ir_remove_dump_flags(ir_dump_flag_consts_local);
1505
1506         current_ir_graph = get_const_code_irg();
1507         irg_walk(value, dump_const_node, NULL, F);
1508         /* Decrease visited flag so that we walk with the same flag for the next
1509            expression.  This guarantees that we don't dump the same node twice,
1510            as for const expressions cse is performed to save memory. */
1511         set_irg_visited(current_ir_graph, get_irg_visited(current_ir_graph) -1);
1512
1513         ir_set_dump_flags(old_flags);
1514         current_ir_graph = rem;
1515 }
1516
1517 /** Dump a block as graph containing its nodes.
1518  *
1519  *  Expects to find nodes belonging to the block as list in its
1520  *  link field.
1521  *  Dumps the edges of all nodes including itself. */
1522 static void dump_whole_block(FILE *F, ir_node *block)
1523 {
1524         ir_node *node;
1525         ird_color_t color = ird_color_block_background;
1526
1527         assert(is_Block(block));
1528
1529         fprintf(F, "graph: { title: \"");
1530         PRINT_NODEID(block);
1531         fprintf(F, "\"  label: \"");
1532         dump_node_label(F, block);
1533
1534         /* colorize blocks */
1535         if (! get_Block_matured(block))
1536                 color = ird_color_block_background;
1537
1538         fprintf(F, "\" status:clustered ");
1539         print_vcg_color(F, color);
1540         fprintf(F, "\n");
1541
1542         /* yComp can show attributes for blocks, XVCG parses but ignores them */
1543         dump_node_info(F, block);
1544         print_dbg_info(F, get_irn_dbg_info(block));
1545
1546         /* dump the blocks edges */
1547         dump_ir_data_edges(F, block);
1548
1549         if (dump_block_edge_hook)
1550                 dump_block_edge_hook(F, block);
1551
1552         /* dump the nodes that go into the block */
1553         for (node = (ir_node*)ird_get_irn_link(block); node; node = (ir_node*)ird_get_irn_link(node)) {
1554                 dump_node(F, node);
1555                 dump_ir_data_edges(F, node);
1556         }
1557
1558         /* Close the vcg information for the block */
1559         fprintf(F, "}\n");
1560         dump_const_node_local(F, block);
1561         fprintf(F, "\n");
1562 }
1563
1564 /** dumps a graph block-wise. Expects all blockless nodes in arr in irgs link.
1565  *  The outermost nodes: blocks and nodes not op_pin_state_pinned, Bad, Unknown. */
1566 static void dump_block_graph(FILE *F, ir_graph *irg)
1567 {
1568         size_t i, n;
1569         ir_graph *rem = current_ir_graph;
1570         ir_node **arr = (ir_node**)ird_get_irg_link(irg);
1571         current_ir_graph = irg;
1572
1573         for (i = 0, n = ARR_LEN(arr); i < n; ++i) {
1574                 ir_node *node = arr[i];
1575                 if (is_Block(node)) {
1576                 /* Dumps the block and all the nodes in the block, which are to
1577                         be found in Block->link. */
1578                         dump_whole_block(F, node);
1579                 } else {
1580                         /* Nodes that are not in a Block. */
1581                         dump_node(F, node);
1582                         if (!node_floats(node) && is_Bad(get_nodes_block(node))) {
1583                                 dump_const_block_local(F, node);
1584                         }
1585                         dump_ir_data_edges(F, node);
1586                 }
1587                 if ((flags & ir_dump_flag_iredges) && edges_activated(irg))
1588                         dump_ir_edges(node, F);
1589         }
1590
1591         if ((flags & ir_dump_flag_loops)
1592              && is_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_LOOPINFO))
1593                 dump_loop_nodes_into_graph(F, irg);
1594
1595         current_ir_graph = rem;
1596 }
1597
1598 /**
1599  * Dump the info for an irg.
1600  * Parsed by XVCG but not shown. use yComp.
1601  */
1602 static void dump_graph_info(FILE *F, ir_graph *irg)
1603 {
1604         fprintf(F, "info1: \"");
1605         dump_entity_to_file(F, get_irg_entity(irg));
1606         fprintf(F, "\n");
1607
1608         /* dump graph state */
1609         fprintf(F, "state:");
1610         if (is_irg_state(irg, IR_GRAPH_STATE_ARCH_DEP))
1611                 fprintf(F, " arch_dep");
1612         if (is_irg_state(irg, IR_GRAPH_STATE_MODEB_LOWERED))
1613                 fprintf(F, " modeb_lowered");
1614         if (is_irg_state(irg, IR_GRAPH_STATE_NORMALISATION2))
1615                 fprintf(F, " normalisation2");
1616         if (is_irg_state(irg, IR_GRAPH_STATE_IMPLICIT_BITFIELD_MASKING))
1617                 fprintf(F, " implicit_bitfield_masking");
1618         if (is_irg_state(irg, IR_GRAPH_STATE_OPTIMIZE_UNREACHABLE_CODE))
1619                 fprintf(F, " optimize_unreachable_code");
1620         if (is_irg_state(irg, IR_GRAPH_STATE_NO_CRITICAL_EDGES))
1621                 fprintf(F, " no_critical_edges");
1622         if (is_irg_state(irg, IR_GRAPH_STATE_NO_BADS))
1623                 fprintf(F, " no_bads");
1624         if (is_irg_state(irg, IR_GRAPH_STATE_NO_UNREACHABLE_CODE))
1625                 fprintf(F, " no_unreachable_code");
1626         if (is_irg_state(irg, IR_GRAPH_STATE_ONE_RETURN))
1627                 fprintf(F, " one_return");
1628         if (is_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_DOMINANCE))
1629                 fprintf(F, " consistent_dominance");
1630         if (is_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_POSTDOMINANCE))
1631                 fprintf(F, " consistent_postdominance");
1632         if (is_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_OUT_EDGES))
1633                 fprintf(F, " consistent_out_edges");
1634         if (is_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_OUTS))
1635                 fprintf(F, " consistent_outs");
1636         if (is_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_LOOPINFO))
1637                 fprintf(F, " consistent_loopinfo");
1638         if (is_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_ENTITY_USAGE))
1639                 fprintf(F, " consistent_entity_usage");
1640         if (is_irg_state(irg, IR_GRAPH_STATE_VALID_EXTENDED_BLOCKS))
1641                 fprintf(F, " valid_exended_blocks");
1642         fprintf(F, "\"\n");
1643 }
1644
1645 /** Dumps an irg as a graph clustered by block nodes.
1646  *  If interprocedural view edges can point to nodes out of this graph.
1647  */
1648 static void dump_graph_from_list(FILE *F, ir_graph *irg)
1649 {
1650         ir_entity *ent = get_irg_entity(irg);
1651
1652         fprintf(F, "graph: { title: \"");
1653         PRINT_IRGID(irg);
1654         fprintf(F, "\" label: \"%s\" status:clustered color:%s \n",
1655           get_ent_dump_name(ent), color_names[ird_color_prog_background]);
1656
1657         dump_graph_info(F, irg);
1658         print_dbg_info(F, get_entity_dbg_info(ent));
1659
1660         dump_block_graph(F, irg);
1661
1662         /* Close the vcg information for the irg */
1663         fprintf(F, "}\n\n");
1664 }
1665
1666 /*******************************************************************/
1667 /* Basic type and entity nodes and edges.                          */
1668 /*******************************************************************/
1669
1670 /** dumps the edges between nodes and their type or entity attributes. */
1671 static void dump_node2type_edges(ir_node *n, void *env)
1672 {
1673         FILE *F = (FILE*)env;
1674         assert(n);
1675
1676         switch (get_irn_opcode(n)) {
1677         case iro_Const :
1678                 /* @@@ some consts have an entity */
1679                 break;
1680         case iro_SymConst:
1681                 if (SYMCONST_HAS_TYPE(get_SymConst_kind(n)))
1682                         print_node_type_edge(F,n,get_SymConst_type(n),NODE2TYPE_EDGE_ATTR);
1683                 break;
1684         case iro_Sel:
1685                 print_node_ent_edge(F,n,get_Sel_entity(n),NODE2TYPE_EDGE_ATTR);
1686                 break;
1687         case iro_Call:
1688                 print_node_type_edge(F,n,get_Call_type(n),NODE2TYPE_EDGE_ATTR);
1689                 break;
1690         case iro_Alloc:
1691                 print_node_type_edge(F,n,get_Alloc_type(n),NODE2TYPE_EDGE_ATTR);
1692                 break;
1693         case iro_Free:
1694                 print_node_type_edge(F,n,get_Free_type(n),NODE2TYPE_EDGE_ATTR);
1695                 break;
1696         case iro_Cast:
1697                 print_node_type_edge(F,n,get_Cast_type(n),NODE2TYPE_EDGE_ATTR);
1698                 break;
1699         default:
1700                 break;
1701         }
1702 }
1703
1704 #if 0
1705 static int print_type_info(FILE *F, ir_type *tp)
1706 {
1707         int bad = 0;
1708
1709         if (get_type_state(tp) == layout_undefined) {
1710                 fprintf(F, "state: layout_undefined\n");
1711         } else {
1712                 fprintf(F, "state: layout_fixed,\n");
1713         }
1714         if (get_type_mode(tp))
1715                 fprintf(F, "mode: %s,\n", get_mode_name_ex(get_type_mode(tp), &bad));
1716         fprintf(F, "size: %db,\n", get_type_size_bits(tp));
1717
1718         return bad;
1719 }
1720
1721 static void print_typespecific_info(FILE *F, ir_type *tp)
1722 {
1723         switch (get_type_tpop_code(tp)) {
1724         case tpo_class:
1725                 fprintf(F, "peculiarity: %s\n", get_peculiarity_string(get_class_peculiarity(tp)));
1726                 break;
1727         case tpo_struct:
1728                 break;
1729         case tpo_method:
1730                 fprintf(F, "variadicity: %s\n", get_variadicity_name(get_method_variadicity(tp)));
1731                 fprintf(F, "params: %d\n", get_method_n_params(tp));
1732                 fprintf(F, "results: %d\n", get_method_n_ress(tp));
1733                 break;
1734         case tpo_union:
1735                 break;
1736         case tpo_array:
1737                 break;
1738         case tpo_enumeration:
1739                 break;
1740         case tpo_pointer:
1741                 break;
1742         case tpo_primitive:
1743                 break;
1744         default:
1745                 break;
1746         } /* switch type */
1747 }
1748 #endif
1749
1750 static void print_typespecific_vcgattr(FILE *F, ir_type *tp)
1751 {
1752         switch (get_type_tpop_code(tp)) {
1753         case tpo_class:
1754                 fprintf(F, " " TYPE_CLASS_NODE_ATTR);
1755                 break;
1756         case tpo_struct:
1757                 fprintf(F, " " TYPE_METH_NODE_ATTR);
1758                 break;
1759         case tpo_method:
1760                 break;
1761         case tpo_union:
1762                 break;
1763         case tpo_array:
1764                 break;
1765         case tpo_enumeration:
1766                 break;
1767         case tpo_pointer:
1768                 break;
1769         case tpo_primitive:
1770                 break;
1771         default:
1772                 break;
1773         } /* switch type */
1774 }
1775
1776 void dump_type_node(FILE *F, ir_type *tp)
1777 {
1778         fprintf(F, "node: {title: ");
1779         PRINT_TYPEID(tp);
1780         fprintf(F, " label: \"");
1781         if (tp->dbi != NULL) {
1782                 char buf[1024];
1783                 ir_print_type(buf, sizeof(buf), tp);
1784                 fprintf(F, "%s '%s'", get_type_tpop_name(tp), buf);
1785         } else {
1786                 ir_fprintf(F, "%+F", tp);
1787         }
1788         fputs("\" info1: \"", F);
1789         dump_type_to_file(F, tp);
1790         fprintf(F, "\"\n");
1791         print_type_dbg_info(F, get_type_dbg_info(tp));
1792         print_typespecific_vcgattr(F, tp);
1793         fprintf(F, "}\n");
1794 }
1795
1796 static void dump_entity_node(FILE *F, ir_entity *ent)
1797 {
1798         fprintf(F, "node: {title: \"");
1799         PRINT_ENTID(ent); fprintf(F, "\"");
1800         fprintf(F, " label: ");
1801         fprintf(F, "\"%s\" ", get_ent_dump_name(ent));
1802
1803         print_vcg_color(F, ird_color_entity);
1804         fprintf(F, "\n info1: \"");
1805
1806         dump_entity_to_file(F, ent);
1807
1808         fprintf(F, "\"\n");
1809         print_dbg_info(F, get_entity_dbg_info(ent));
1810         fprintf(F, "}\n");
1811 }
1812
1813 static void dump_enum_item(FILE *F, ir_type *tp, size_t pos)
1814 {
1815         char buf[1024];
1816         ir_enum_const *ec = get_enumeration_const(tp, pos);
1817         ident         *id = get_enumeration_const_nameid(ec);
1818         ir_tarval     *tv = get_enumeration_value(ec);
1819
1820         if (tv)
1821                 tarval_snprintf(buf, sizeof(buf), tv);
1822         else
1823                 strncpy(buf, "<not set>", sizeof(buf));
1824         fprintf(F, "node: {title: \"");
1825         PRINT_ITEMID(tp, pos); fprintf(F, "\"");
1826         fprintf(F, " label: ");
1827         fprintf(F, "\"enum item %s\" " ENUM_ITEM_NODE_ATTR, get_id_str(id));
1828         fprintf(F, "\n info1: \"value: %s\"}\n", buf);
1829 }
1830
1831 /**
1832  * Dumps a new style initializer.
1833  */
1834 static void dump_entity_initializer(FILE *F, const ir_entity *ent)
1835 {
1836         /* TODO */
1837         (void) F;
1838         (void) ent;
1839 }
1840
1841 /**
1842  * type-walker: Dumps a type or entity and its edges.
1843  */
1844 static void dump_type_info(type_or_ent tore, void *env)
1845 {
1846         FILE *F = (FILE*)env;
1847         size_t i = 0;  /* to shutup gcc */
1848
1849         /* dump this type or entity */
1850
1851         switch (get_kind(tore.ent)) {
1852         case k_entity: {
1853                 ir_entity *ent = tore.ent;
1854                 ir_node *value;
1855                 /* The node */
1856                 dump_entity_node(F, ent);
1857                 /* The Edges */
1858                 /* skip this to reduce graph.  Member edge of type is parallel to this edge. *
1859                 fprintf(F, "edge: { sourcename: \"%p\" targetname: \"%p\" "
1860                 ENT_OWN_EDGE_ATTR "}\n", ent, get_entity_owner(ent));*/
1861                 print_ent_type_edge(F,ent, get_entity_type(ent), ENT_TYPE_EDGE_ATTR);
1862                 if (is_Class_type(get_entity_owner(ent))) {
1863                         for (i = get_entity_n_overwrites(ent); i > 0;)
1864                                 print_ent_ent_edge(F, ent, get_entity_overwrites(ent, --i), 0, ird_color_none, ENT_OVERWRITES_EDGE_ATTR);
1865                 }
1866                 /* attached subgraphs */
1867                 if (! (flags & ir_dump_flag_no_entity_values)) {
1868                         if (ent->initializer != NULL) {
1869                                 /* new style initializers */
1870                                 dump_entity_initializer(F, ent);
1871                         } else if (entity_has_compound_ent_values(ent)) {
1872                                 /* old style compound entity values */
1873                                 for (i = get_compound_ent_n_values(ent); i > 0;) {
1874                                         value = get_compound_ent_value(ent, --i);
1875                                         if (value) {
1876                                                 print_ent_node_edge(F, ent, value, ENT_VALUE_EDGE_ATTR, i);
1877                                                 dump_const_expression(F, value);
1878                                                 print_ent_ent_edge(F, ent, get_compound_ent_value_member(ent, i), 0, ird_color_none, ENT_CORR_EDGE_ATTR, i);
1879                                                 /*
1880                                                 fprintf(F, "edge: { sourcename: \"%p\" targetname: \"%p\" "
1881                                                 ENT_CORR_EDGE_ATTR  "}\n", GET_ENTID(ent),
1882                                                 get_compound_ent_value_member(ent, i), i);
1883                                                 */
1884                                         }
1885                                 }
1886                         }
1887                 }
1888                 break;
1889         }
1890         case k_type: {
1891                 ir_type *tp = tore.typ;
1892                 dump_type_node(F, tp);
1893                 /* and now the edges */
1894                 switch (get_type_tpop_code(tp)) {
1895                 case tpo_class:
1896                         for (i = get_class_n_supertypes(tp); i > 0;) {
1897                                 --i;
1898                                 print_type_type_edge(F, tp, get_class_supertype(tp, i), TYPE_SUPER_EDGE_ATTR);
1899                         }
1900                         for (i = get_class_n_members(tp); i > 0;) {
1901                                 --i;
1902                                 print_type_ent_edge(F, tp, get_class_member(tp, i), TYPE_MEMBER_EDGE_ATTR);
1903                         }
1904                         break;
1905                 case tpo_struct:
1906                         for (i = get_struct_n_members(tp); i > 0;) {
1907                                 --i;
1908                                 print_type_ent_edge(F, tp, get_struct_member(tp, i), TYPE_MEMBER_EDGE_ATTR);
1909                         }
1910                         break;
1911                 case tpo_method:
1912                         for (i = get_method_n_params(tp); i > 0;) {
1913                                 --i;
1914                                 print_type_type_edge(F, tp, get_method_param_type(tp, i), METH_PAR_EDGE_ATTR,i);
1915                         }
1916                         for (i = get_method_n_ress(tp); i > 0;) {
1917                                  --i;
1918                                 print_type_type_edge(F, tp, get_method_res_type(tp, i), METH_RES_EDGE_ATTR,i);
1919                         }
1920                         break;
1921                 case tpo_union:
1922                         for (i = get_union_n_members(tp); i > 0;) {
1923                                  --i;
1924                                 print_type_ent_edge(F, tp, get_union_member(tp, i), UNION_EDGE_ATTR);
1925                         }
1926                         break;
1927                 case tpo_array:
1928                         print_type_type_edge(F, tp, get_array_element_type(tp), ARR_ELT_TYPE_EDGE_ATTR);
1929                         print_type_ent_edge(F, tp, get_array_element_entity(tp), ARR_ENT_EDGE_ATTR);
1930                         for (i = get_array_n_dimensions(tp); i > 0;) {
1931                                 ir_node *upper, *lower;
1932
1933                                  --i;
1934                                 upper = get_array_upper_bound(tp, i);
1935                                 lower = get_array_lower_bound(tp, i);
1936                                 print_node_type_edge(F, upper, tp, "label: \"upper %zu\"", get_array_order(tp, i));
1937                                 print_node_type_edge(F, lower, tp, "label: \"lower %zu\"", get_array_order(tp, i));
1938                                 dump_const_expression(F, upper);
1939                                 dump_const_expression(F, lower);
1940                         }
1941                         break;
1942                 case tpo_enumeration:
1943                         for (i = get_enumeration_n_enums(tp); i > 0;) {
1944                                  --i;
1945                                 dump_enum_item(F, tp, i);
1946                                 print_enum_item_edge(F, tp, i, "label: \"item %zu\"", i);
1947                         }
1948                         break;
1949                 case tpo_pointer:
1950                         print_type_type_edge(F, tp, get_pointer_points_to_type(tp), PTR_PTS_TO_EDGE_ATTR);
1951                         break;
1952                 case tpo_primitive:
1953                         break;
1954                 default:
1955                         break;
1956                 } /* switch type */
1957                 break; /* case k_type */
1958         }
1959         default:
1960                 printf(" *** irdump,  dump_type_info(l.%i), faulty type.\n", __LINE__);
1961         } /* switch kind_or_entity */
1962 }
1963
1964 /** For dumping class hierarchies.
1965  * Dumps a class type node and a superclass edge.
1966  */
1967 static void dump_class_hierarchy_node(type_or_ent tore, void *ctx)
1968 {
1969         FILE *F = (FILE*)ctx;
1970         size_t i = 0;  /* to shutup gcc */
1971
1972         /* dump this type or entity */
1973         switch (get_kind(tore.ent)) {
1974         case k_entity: {
1975                 ir_entity *ent = tore.ent;
1976                 if (get_entity_owner(ent) == get_glob_type()) break;
1977                 if (!is_Method_type(get_entity_type(ent)))
1978                         break;  /* GL */
1979                 if (flags & ir_dump_flag_entities_in_hierarchy
1980                                 && is_Class_type(get_entity_owner(ent))) {
1981                         /* The node */
1982                         dump_entity_node(F, ent);
1983                         /* The edges */
1984                         print_type_ent_edge(F, get_entity_owner(ent), ent, TYPE_MEMBER_EDGE_ATTR);
1985                         for (i = get_entity_n_overwrites(ent); i > 0;) {
1986                                  --i;
1987                                 print_ent_ent_edge(F, get_entity_overwrites(ent, i), ent, 0, ird_color_none, ENT_OVERWRITES_EDGE_ATTR);
1988                         }
1989                 }
1990                 break;
1991         }
1992         case k_type: {
1993                 ir_type *tp = tore.typ;
1994                 if (tp == get_glob_type())
1995                         break;
1996                 switch (get_type_tpop_code(tp)) {
1997                 case tpo_class:
1998                         dump_type_node(F, tp);
1999                         /* and now the edges */
2000                         for (i = get_class_n_supertypes(tp); i > 0;) {
2001                                  --i;
2002                                 print_type_type_edge(F,tp,get_class_supertype(tp, i),TYPE_SUPER_EDGE_ATTR);
2003                         }
2004                         break;
2005                 default: break;
2006                 } /* switch type */
2007                 break; /* case k_type */
2008         }
2009         default:
2010                 printf(" *** irdump,  dump_class_hierarchy_node(l.%i), faulty type.\n", __LINE__);
2011         } /* switch kind_or_entity */
2012 }
2013
2014 /*******************************************************************/
2015 /* dump analysis information that is expressed in graph terms.     */
2016 /*******************************************************************/
2017
2018 /* dump out edges */
2019 static void dump_out_edge(ir_node *n, void *env)
2020 {
2021         FILE *F = (FILE*)env;
2022         int i;
2023         for (i = get_irn_n_outs(n) - 1; i >= 0; --i) {
2024                 ir_node *succ = get_irn_out(n, i);
2025                 assert(succ);
2026                 print_node_edge_kind(F, succ);
2027                 fprintf(F, "{sourcename: \"");
2028                 PRINT_NODEID(n);
2029                 fprintf(F, "\" targetname: \"");
2030                 PRINT_NODEID(succ);
2031                 fprintf(F, "\" color: red linestyle: dashed");
2032                 fprintf(F, "}\n");
2033         }
2034 }
2035
2036 static void dump_loop_label(FILE *F, ir_loop *loop)
2037 {
2038         fprintf(F, "loop %u, %lu sons, %lu nodes",
2039                 get_loop_depth(loop), (unsigned long) get_loop_n_sons(loop),
2040                 (unsigned long) get_loop_n_nodes(loop));
2041 }
2042
2043 static void dump_loop_info(FILE *F, ir_loop *loop)
2044 {
2045         fprintf(F, " info1: \"");
2046         fprintf(F, " loop nr: %ld", get_loop_loop_nr(loop));
2047 #ifdef DEBUG_libfirm   /* GL @@@ debug analyses */
2048         fprintf(F, "\n The loop was analyzed %ld times.", (long int) PTR_TO_INT(get_loop_link(loop)));
2049 #endif
2050         fprintf(F, "\"");
2051 }
2052
2053 static void dump_loop_node(FILE *F, ir_loop *loop)
2054 {
2055         fprintf(F, "node: {title: \"");
2056         PRINT_LOOPID(loop);
2057         fprintf(F, "\" label: \"");
2058         dump_loop_label(F, loop);
2059         fprintf(F, "\" ");
2060         dump_loop_info(F, loop);
2061         fprintf(F, "}\n");
2062 }
2063
2064 static void dump_loop_node_edge(FILE *F, ir_loop *loop, size_t i)
2065 {
2066         assert(loop);
2067         fprintf(F, "edge: {sourcename: \"");
2068         PRINT_LOOPID(loop);
2069         fprintf(F, "\" targetname: \"");
2070         PRINT_NODEID(get_loop_node(loop, i));
2071         fprintf(F, "\" color: green");
2072         fprintf(F, "}\n");
2073 }
2074
2075 static void dump_loop_son_edge(FILE *F, ir_loop *loop, size_t i)
2076 {
2077         assert(loop);
2078         fprintf(F, "edge: {sourcename: \"");
2079         PRINT_LOOPID(loop);
2080         fprintf(F, "\" targetname: \"");
2081         PRINT_LOOPID(get_loop_son(loop, i));
2082         ir_fprintf(F, "\" color: darkgreen label: \"%zu\"}\n",
2083                 get_loop_element_pos(loop, get_loop_son(loop, i)));
2084 }
2085
2086 static void dump_loops(FILE *F, ir_loop *loop)
2087 {
2088         size_t i;
2089         /* dump this loop node */
2090         dump_loop_node(F, loop);
2091
2092         /* dump edges to nodes in loop -- only if it is a real loop */
2093         if (get_loop_depth(loop) != 0) {
2094                 for (i = get_loop_n_nodes(loop); i > 0;) {
2095                         --i;
2096                         dump_loop_node_edge(F, loop, i);
2097                 }
2098         }
2099         for (i = get_loop_n_sons(loop); i > 0;) {
2100                  --i;
2101                 dump_loops(F, get_loop_son(loop, i));
2102                 dump_loop_son_edge(F, loop, i);
2103         }
2104 }
2105
2106 static void dump_loop_nodes_into_graph(FILE *F, ir_graph *irg)
2107 {
2108         ir_loop *loop = get_irg_loop(irg);
2109
2110         if (loop != NULL) {
2111                 ir_graph *rem = current_ir_graph;
2112                 current_ir_graph = irg;
2113
2114                 dump_loops(F, loop);
2115
2116                 current_ir_graph = rem;
2117         }
2118 }
2119
2120
2121 /**
2122  * dumps the VCG header
2123  */
2124 void dump_vcg_header(FILE *F, const char *name, const char *layout, const char *orientation)
2125 {
2126         int   i;
2127         const char *label
2128                 = (flags & ir_dump_flag_disable_edge_labels) ? "no" : "yes";
2129
2130         init_colors();
2131
2132         if (! layout)     layout = "Compilergraph";
2133         if (!orientation) orientation = "bottom_to_top";
2134
2135         /* print header */
2136         fprintf(F,
2137                 "graph: { title: \"ir graph of %s\"\n"
2138                 "display_edge_labels: %s\n"
2139                 "layoutalgorithm: mindepth //$ \"%s\"\n"
2140                 "manhattan_edges: yes\n"
2141                 "port_sharing: no\n"
2142                 "orientation: %s\n"
2143                 "classname 1:  \"intrablock Data\"\n"
2144                 "classname 2:  \"Block\"\n"
2145                 "classname 3:  \"Entity type\"\n"
2146                 "classname 4:  \"Entity owner\"\n"
2147                 "classname 5:  \"Method Param\"\n"
2148                 "classname 6:  \"Method Res\"\n"
2149                 "classname 7:  \"Super\"\n"
2150                 "classname 8:  \"Union\"\n"
2151                 "classname 9:  \"Points-to\"\n"
2152                 "classname 10: \"Array Element Type\"\n"
2153                 "classname 11: \"Overwrites\"\n"
2154                 "classname 12: \"Member\"\n"
2155                 "classname 13: \"Control Flow\"\n"
2156                 "classname 14: \"intrablock Memory\"\n"
2157                 "classname 15: \"Dominators\"\n"
2158                 "classname 16: \"interblock Data\"\n"
2159                 "classname 17: \"interblock Memory\"\n"
2160                 "classname 18: \"Exception Control Flow for Interval Analysis\"\n"
2161                 "classname 19: \"Postdominators\"\n"
2162                 "classname 20: \"Keep Alive\"\n"
2163                 "classname 21: \"Out Edges\"\n"
2164                 "classname 22: \"Macro Block Edges\"\n"
2165                 //"classname 23: \"NoInput Nodes\"\n"
2166                 "infoname 1: \"Attribute\"\n"
2167                 "infoname 2: \"Verification errors\"\n"
2168                 "infoname 3: \"Debug info\"\n",
2169                 name, label, layout, orientation);
2170
2171         for (i = 0; i < ird_color_count; ++i) {
2172                 if (color_rgb[i] != NULL) {
2173                         fprintf(F, "colorentry %s: %s\n", color_names[i], color_rgb[i]);
2174                 }
2175         }
2176         fprintf(F, "\n");
2177 }
2178
2179 /**
2180  * Dumps the vcg file footer
2181  */
2182 void dump_vcg_footer(FILE *F)
2183 {
2184         fprintf(F, "}\n");
2185 }
2186
2187
2188
2189 static void dump_blocks_as_subgraphs(FILE *out, ir_graph *irg)
2190 {
2191         size_t i;
2192
2193         construct_block_lists(irg);
2194
2195         /*
2196          * If we are in the interprocedural view, we dump not
2197          * only the requested irg but also all irgs that can be reached
2198          * from irg.
2199          */
2200         for (i = get_irp_n_irgs(); i > 0;) {
2201                 ir_graph *other_irg = get_irp_irg(--i);
2202                 ir_node **arr = (ir_node**)ird_get_irg_link(other_irg);
2203                 if (arr == NULL)
2204                         continue;
2205
2206                 dump_graph_from_list(out, other_irg);
2207                 DEL_ARR_F(arr);
2208         }
2209 }
2210
2211 /** dumps a graph extended block-wise. Expects all blockless nodes in arr in irgs link.
2212  *  The outermost nodes: blocks and nodes not op_pin_state_pinned, Bad, Unknown. */
2213 static void dump_extblock_graph(FILE *F, ir_graph *irg)
2214 {
2215         size_t i, arr_len;
2216         ir_graph *rem = current_ir_graph;
2217         ir_extblk **arr = (ir_extblk**)ird_get_irg_link(irg);
2218         current_ir_graph = irg;
2219
2220         for (i = 0, arr_len = ARR_LEN(arr); i < arr_len; ++i) {
2221                 ir_extblk *extbb = arr[i];
2222                 ir_node *leader = get_extbb_leader(extbb);
2223                 size_t j, n_blks;
2224
2225                 fprintf(F, "graph: { title: \"");
2226                 PRINT_EXTBBID(leader);
2227                 fprintf(F, "\"  label: \"ExtBB %ld\" status:clustered color:lightgreen\n",
2228                         get_irn_node_nr(leader));
2229
2230                 for (j = 0, n_blks = ARR_LEN(extbb->blks); j < n_blks; ++j) {
2231                         ir_node *node = extbb->blks[j];
2232                         if (is_Block(node)) {
2233                         /* Dumps the block and all the nodes in the block, which are to
2234                                 be found in Block->link. */
2235                                 dump_whole_block(F, node);
2236                         } else {
2237                                 /* Nodes that are not in a Block. */
2238                                 dump_node(F, node);
2239                                 if (is_Bad(get_nodes_block(node)) && !node_floats(node)) {
2240                                         dump_const_block_local(F, node);
2241                                 }
2242                                 dump_ir_data_edges(F, node);
2243                         }
2244                 }
2245                 fprintf(F, "}\n");
2246         }
2247
2248         if ((flags & ir_dump_flag_loops)
2249                         && (is_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_LOOPINFO)))
2250                 dump_loop_nodes_into_graph(F, irg);
2251
2252         current_ir_graph = rem;
2253         free_extbb(irg);
2254 }
2255
2256 static void dump_blocks_extbb_grouped(FILE *F, ir_graph *irg)
2257 {
2258         size_t    i;
2259         ir_entity *ent = get_irg_entity(irg);
2260
2261         if (!is_irg_state(irg, IR_GRAPH_STATE_VALID_EXTENDED_BLOCKS))
2262                 compute_extbb(irg);
2263
2264         construct_extblock_lists(irg);
2265
2266         fprintf(F, "graph: { title: \"");
2267         PRINT_IRGID(irg);
2268         fprintf(F, "\" label: \"%s\" status:clustered color: white \n",
2269                 get_ent_dump_name(ent));
2270
2271         dump_graph_info(F, irg);
2272         print_dbg_info(F, get_entity_dbg_info(ent));
2273
2274         for (i = get_irp_n_irgs(); i > 0;) {
2275                 ir_graph   *other_irg = get_irp_irg(--i);
2276                 list_tuple *lists     = (list_tuple*)ird_get_irg_link(other_irg);
2277
2278                 if (lists) {
2279                         /* dump the extended blocks first */
2280                         if (ARR_LEN(lists->extbb_list)) {
2281                                 ird_set_irg_link(other_irg, lists->extbb_list);
2282                                 dump_extblock_graph(F, other_irg);
2283                         }
2284
2285                         /* we may have blocks without extended blocks, bad for instance */
2286                         if (ARR_LEN(lists->blk_list)) {
2287                                 ird_set_irg_link(other_irg, lists->blk_list);
2288                                 dump_block_graph(F, other_irg);
2289                         }
2290
2291                         DEL_ARR_F(lists->extbb_list);
2292                         DEL_ARR_F(lists->blk_list);
2293                         xfree(lists);
2294                 }
2295         }
2296
2297         /* Close the vcg information for the irg */
2298         fprintf(F, "}\n\n");
2299
2300         free_extbb(irg);
2301 }
2302
2303 void dump_ir_graph_file(FILE *out, ir_graph *irg)
2304 {
2305         dump_vcg_header(out, get_irg_dump_name(irg), NULL, NULL);
2306
2307         /* dump nodes */
2308         if (flags & ir_dump_flag_blocks_as_subgraphs) {
2309                 if (flags & ir_dump_flag_group_extbb) {
2310                         dump_blocks_extbb_grouped(out, irg);
2311                 } else {
2312                         dump_blocks_as_subgraphs(out, irg);
2313                 }
2314         } else {
2315                 /* dump_node_with_edges must be called in post visiting predecessors */
2316                 ird_walk_graph(irg, NULL, dump_node_with_edges, out);
2317         }
2318
2319         /* dump type info */
2320         if (flags & ir_dump_flag_with_typegraph) {
2321                 ir_graph *rem = current_ir_graph;
2322                 current_ir_graph = irg;
2323
2324                 type_walk_irg(irg, dump_type_info, NULL, out);
2325                 inc_irg_visited(get_const_code_irg());
2326                 /* dump edges from graph to type info */
2327                 irg_walk(get_irg_end(irg), dump_node2type_edges, NULL, out);
2328
2329                 current_ir_graph = rem;
2330         }
2331
2332         /* dump iredges out edges */
2333         if ((flags & ir_dump_flag_iredges) && edges_activated(current_ir_graph)) {
2334                 irg_walk_edges(get_irg_start_block(irg), dump_ir_edges, NULL, out);
2335         }
2336
2337         /* dump the out edges in a separate walk */
2338         if ((flags & ir_dump_flag_out_edges)
2339                         && (is_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_OUTS))) {
2340                 irg_out_walk(get_irg_start(irg), dump_out_edge, NULL, out);
2341         }
2342
2343         dump_vcg_footer(out);
2344 }
2345
2346 static void dump_block_to_cfg(ir_node *block, void *env)
2347 {
2348         FILE *F = (FILE*)env;
2349         int i;
2350
2351         if (is_Bad(block) && get_irn_mode(block) == mode_X) {
2352                 dump_node(F, block);
2353         }
2354
2355         if (is_Block(block)) {
2356                 /* This is a block. Dump a node for the block. */
2357                 fprintf(F, "node: {title: \""); PRINT_NODEID(block);
2358                 fprintf(F, "\" label: \"");
2359                 if (block == get_irg_start_block(get_irn_irg(block)))
2360                         fprintf(F, "Start ");
2361                 if (block == get_irg_end_block(get_irn_irg(block)))
2362                         fprintf(F, "End ");
2363
2364                 fprintf(F, "%s ", get_op_name(get_irn_op(block)));
2365                 PRINT_NODEID(block);
2366                 fprintf(F, "\" ");
2367                 fprintf(F, "info1:\"");
2368
2369                 /* the generic version. */
2370                 dump_irnode_to_file(F, block);
2371
2372                 fprintf(F, "\"");  /* closing quote of info */
2373
2374                 if ((block == get_irg_start_block(get_irn_irg(block))) ||
2375                         (block == get_irg_end_block(get_irn_irg(block)))     )
2376                         fprintf(F, " color:blue ");
2377
2378                 fprintf(F, "}\n");
2379
2380                 /* Dump the edges */
2381                 for (i = get_Block_n_cfgpreds(block) - 1; i >= 0; --i) {
2382                         ir_node *pred = get_Block_cfgpred(block, i);
2383                         if (!is_Bad(pred))
2384                                 pred = get_nodes_block(pred);
2385                         fprintf(F, "edge: { sourcename: \"");
2386                         PRINT_NODEID(block);
2387                         fprintf(F, "\" targetname: \"");
2388                         PRINT_NODEID(pred);
2389                         fprintf(F, "\"}\n");
2390                 }
2391
2392                 /* Dump dominator/postdominator edge */
2393                 if (ir_get_dump_flags() & ir_dump_flag_dominance) {
2394                         if (is_irg_state(get_irn_irg(block), IR_GRAPH_STATE_CONSISTENT_DOMINANCE) && get_Block_idom(block)) {
2395                                 ir_node *pred = get_Block_idom(block);
2396                                 fprintf(F, "edge: { sourcename: \"");
2397                                 PRINT_NODEID(block);
2398                                 fprintf(F, "\" targetname: \"");
2399                                 PRINT_NODEID(pred);
2400                                 fprintf(F, "\" " DOMINATOR_EDGE_ATTR "}\n");
2401                         }
2402                         if (is_irg_state(get_irn_irg(block), IR_GRAPH_STATE_CONSISTENT_POSTDOMINANCE) && get_Block_ipostdom(block)) {
2403                                 ir_node *pred = get_Block_ipostdom(block);
2404                                 fprintf(F, "edge: { sourcename: \"");
2405                                 PRINT_NODEID(block);
2406                                 fprintf(F, "\" targetname: \"");
2407                                 PRINT_NODEID(pred);
2408                                 fprintf(F, "\" " POSTDOMINATOR_EDGE_ATTR "}\n");
2409                         }
2410                 }
2411         }
2412 }
2413
2414 void dump_cfg(FILE *F, ir_graph *irg)
2415 {
2416         dump_vcg_header(F, get_irg_dump_name(irg), NULL, NULL);
2417
2418         /* walk over the blocks in the graph */
2419         irg_walk_graph(irg, dump_block_to_cfg, NULL, F);
2420
2421         dump_vcg_footer(F);
2422 }
2423
2424 void dump_callgraph(FILE *F)
2425 {
2426         size_t          i;
2427         ir_dump_flags_t old_flags = ir_get_dump_flags();
2428
2429         ir_remove_dump_flags(ir_dump_flag_disable_edge_labels);
2430         dump_vcg_header(F, "Callgraph", "Hierarchic", NULL);
2431
2432         for (i = get_irp_n_irgs(); i > 0;) {
2433                 ir_graph *irg = get_irp_irg(--i);
2434                 ir_entity *ent = get_irg_entity(irg);
2435                 size_t j, n_callees = get_irg_n_callees(irg);
2436
2437                 dump_entity_node(F, ent);
2438                 for (j = 0; j < n_callees; ++j) {
2439                         ir_entity  *c    = get_irg_entity(get_irg_callee(irg, j));
2440                         int         be   = is_irg_callee_backedge(irg, j);
2441                         const char *attr = be
2442                                 ? "label:\"recursion %zu\""
2443                                 : "label:\"calls %zu\"";
2444                         print_ent_ent_edge(F, ent, c, be, ird_color_entity, attr,
2445                                            get_irg_callee_loop_depth(irg, j));
2446                 }
2447         }
2448
2449         ir_set_dump_flags(old_flags);
2450         dump_vcg_footer(F);
2451 }
2452
2453 void dump_typegraph(FILE *out)
2454 {
2455         dump_vcg_header(out, "All_types", "Hierarchic", NULL);
2456         type_walk(dump_type_info, NULL, out);
2457         dump_vcg_footer(out);
2458 }
2459
2460 void dump_class_hierarchy(FILE *out)
2461 {
2462         dump_vcg_header(out, "class_hierarchy", "Hierarchic", NULL);
2463         type_walk(dump_class_hierarchy_node, NULL, out);
2464         dump_vcg_footer(out);
2465 }
2466
2467 static void dump_loops_standalone(FILE *F, ir_loop *loop)
2468 {
2469         size_t i;
2470         bool   loop_node_started = false;
2471         size_t first      = 0;
2472         size_t son_number = 0;
2473         loop_element le;
2474         ir_loop *son = NULL;
2475
2476         /* Dump a new loop node. */
2477         dump_loop_node(F, loop);
2478
2479         /* Dump the loop elements. */
2480         for (i = 0; i < get_loop_n_elements(loop); i++) {
2481                 le = get_loop_element(loop, i);
2482                 son = le.son;
2483                 if (get_kind(son) == k_ir_loop) {
2484
2485                         /* We are a loop son -> Recurse */
2486
2487                         if (loop_node_started) { /* Close the "firm-nodes" node first if we started one. */
2488                                 fprintf(F, "\" }\n");
2489                                 fprintf(F, "edge: {sourcename: \"");
2490                                 PRINT_LOOPID(loop);
2491                                 fprintf(F, "\" targetname: \"");
2492                                 PRINT_LOOPID(loop);
2493                                 fprintf(F, "-%lu-nodes\" label:\"%lu...%lu\"}\n",
2494                                                 (unsigned long) first,
2495                                                 (unsigned long) first,
2496                                         (unsigned long) i-1);
2497                                 loop_node_started = false;
2498                         }
2499                         dump_loop_son_edge(F, loop, son_number++);
2500                         dump_loops_standalone(F, son);
2501                 } else if (get_kind(son) == k_ir_node) {
2502                         /* We are a loop node -> Collect firm nodes */
2503
2504                         ir_node *n = le.node;
2505                         if (!loop_node_started) {
2506                                 /* Start a new node which contains all firm nodes of the current loop */
2507                                 fprintf(F, "node: { title: \"");
2508                                 PRINT_LOOPID(loop);
2509                                 fprintf(F, "-%lu-nodes\" color: lightyellow label: \"",
2510                                         (unsigned long)i);
2511                                 loop_node_started = true;
2512                                 first = i;
2513                         } else
2514                                 fprintf(F, "\n");
2515
2516                         dump_node_label(F, n);
2517                         /* Causes indeterministic output: if (is_Block(n)) fprintf(F, "\t ->%d", (int)get_irn_link(n)); */
2518                         if (has_backedges(n)) fprintf(F, "\t loop head!");
2519                 } else { /* for callgraph loop tree */
2520                         ir_graph *n;
2521                         assert(get_kind(son) == k_ir_graph);
2522
2523                         /* We are a loop node -> Collect firm graphs */
2524                         n = le.irg;
2525                         if (!loop_node_started) {
2526                                 /* Start a new node which contains all firm nodes of the current loop */
2527                                 fprintf(F, "node: { title: \"");
2528                                 PRINT_LOOPID(loop);
2529                                 fprintf(F, "-%lu-nodes\" color: lightyellow label: \"",
2530                                         (unsigned long)i);
2531                                 loop_node_started = true;
2532                                 first = i;
2533                         } else
2534                                 fprintf(F, "\n");
2535                         fprintf(F, " %s", get_irg_dump_name(n));
2536                         /* fprintf(F, " %s (depth %d)", get_irg_dump_name(n), n->callgraph_weighted_loop_depth); */
2537                 }
2538         }
2539
2540         if (loop_node_started) {
2541                 fprintf(F, "\" }\n");
2542                 fprintf(F, "edge: {sourcename: \"");
2543                 PRINT_LOOPID(loop);
2544                 fprintf(F, "\" targetname: \"");
2545                 PRINT_LOOPID(loop);
2546                 fprintf(F, "-%lu-nodes\" label:\"%lu...%lu\"}\n",
2547                         (unsigned long) first,
2548                         (unsigned long) first,
2549                         (unsigned long) i-1);
2550                 loop_node_started = false;
2551         }
2552 }
2553
2554 void dump_loop_tree(FILE *out, ir_graph *irg)
2555 {
2556         ir_graph       *rem       = current_ir_graph;
2557         ir_dump_flags_t old_flags = ir_get_dump_flags();
2558
2559         current_ir_graph = irg;
2560         ir_remove_dump_flags(ir_dump_flag_disable_edge_labels);
2561
2562         dump_vcg_header(out, get_irg_dump_name(irg), "Tree", "top_to_bottom");
2563
2564         if (get_irg_loop(irg))
2565                 dump_loops_standalone(out, get_irg_loop(irg));
2566
2567         dump_vcg_footer(out);
2568
2569         ir_set_dump_flags(old_flags);
2570         current_ir_graph = rem;
2571 }
2572
2573 void dump_callgraph_loop_tree(FILE *out)
2574 {
2575         dump_vcg_header(out, "callgraph looptree", "Tree", "top_to_bottom");
2576         dump_loops_standalone(out, irp->outermost_cg_loop);
2577         dump_vcg_footer(out);
2578 }
2579
2580 static void collect_nodeloop(FILE *F, ir_loop *loop, eset *loopnodes)
2581 {
2582         size_t i;
2583         int    son_number = 0;
2584         int    node_number = 0;
2585
2586         if (flags & ir_dump_flag_loops)
2587                 dump_loop_node(F, loop);
2588
2589         for (i = 0; i < get_loop_n_elements(loop); i++) {
2590                 loop_element le = get_loop_element(loop, i);
2591                 if (*(le.kind) == k_ir_loop) {
2592                         if (flags & ir_dump_flag_loops)
2593                                 dump_loop_son_edge(F, loop, son_number++);
2594                         /* Recur */
2595                         collect_nodeloop(F, le.son, loopnodes);
2596                 } else {
2597                         if (flags & ir_dump_flag_loops)
2598                                 dump_loop_node_edge(F, loop, node_number++);
2599                         eset_insert(loopnodes, le.node);
2600                 }
2601         }
2602 }
2603
2604 static void collect_nodeloop_external_nodes(ir_loop *loop, eset *loopnodes,
2605                                             eset *extnodes)
2606 {
2607         size_t i;
2608         int j, start;
2609
2610         for (i = 0; i < get_loop_n_elements(loop); i++) {
2611                 loop_element le = get_loop_element(loop, i);
2612                 if (*(le.kind) == k_ir_loop) {
2613                         /* Recur */
2614                         collect_nodeloop_external_nodes(le.son, loopnodes, extnodes);
2615                 } else {
2616                         if (is_Block(le.node)) start = 0; else start = -1;
2617                         for (j = start; j < get_irn_arity(le.node); j++) {
2618                                 ir_node *pred = get_irn_n(le.node, j);
2619                                 if (!eset_contains(loopnodes, pred)) {
2620                                         eset_insert(extnodes, pred);
2621                                         if (!is_Block(pred)) {
2622                                                 pred = get_nodes_block(pred);
2623                                                 if (!eset_contains(loopnodes, pred)) eset_insert(extnodes, pred);
2624                                         }
2625                                 }
2626                         }
2627                 }
2628         }
2629 }
2630
2631 void dump_loop(FILE *F, ir_loop *l)
2632 {
2633         eset *loopnodes = eset_create();
2634         eset *extnodes = eset_create();
2635         ir_node *n, *b;
2636         char name[50];
2637
2638         snprintf(name, sizeof(name), "loop_%ld", get_loop_loop_nr(l));
2639         dump_vcg_header(F, name, NULL, NULL);
2640
2641         /* collect all nodes to dump */
2642         collect_nodeloop(F, l, loopnodes);
2643         collect_nodeloop_external_nodes(l, loopnodes, extnodes);
2644
2645         /* build block lists */
2646         eset_foreach(loopnodes, ir_node*, n) {
2647                 set_irn_link(n, NULL);
2648         }
2649         eset_foreach(extnodes, ir_node*, n) {
2650                 set_irn_link(n, NULL);
2651         }
2652         eset_foreach(loopnodes, ir_node*, n) {
2653                 if (!is_Block(n)) {
2654                         b = get_nodes_block(n);
2655                         set_irn_link(n, get_irn_link(b));
2656                         set_irn_link(b, n);
2657                 }
2658         }
2659         eset_foreach(extnodes, ir_node*, n) {
2660                 if (!is_Block(n)) {
2661                         b = get_nodes_block(n);
2662                         set_irn_link(n, get_irn_link(b));
2663                         set_irn_link(b, n);
2664                 }
2665         }
2666
2667         eset_foreach(loopnodes, ir_node*, b) {
2668                 if (is_Block(b)) {
2669                         fprintf(F, "graph: { title: \"");
2670                         PRINT_NODEID(b);
2671                         fprintf(F, "\"  label: \"");
2672                         dump_node_opcode(F, b);
2673                         fprintf(F, " %ld:%u", get_irn_node_nr(b), get_irn_idx(b));
2674                         fprintf(F, "\" status:clustered color:yellow\n");
2675
2676                         /* dump the blocks edges */
2677                         dump_ir_data_edges(F, b);
2678
2679                         /* dump the nodes that go into the block */
2680                         for (n = (ir_node*)get_irn_link(b); n; n = (ir_node*)get_irn_link(n)) {
2681                                 if (eset_contains(extnodes, n))
2682                                         overrule_nodecolor = ird_color_block_inout;
2683                                 dump_node(F, n);
2684                                 overrule_nodecolor = ird_color_default_node;
2685                                 if (!eset_contains(extnodes, n)) dump_ir_data_edges(F, n);
2686                         }
2687
2688                         /* Close the vcg information for the block */
2689                         fprintf(F, "}\n");
2690                         dump_const_node_local(F, b);
2691                         fprintf(F, "\n");
2692                 }
2693         }
2694         eset_foreach(extnodes, ir_node*, b) {
2695                 if (is_Block(b)) {
2696                         fprintf(F, "graph: { title: \"");
2697                         PRINT_NODEID(b);
2698                         fprintf(F, "\"  label: \"");
2699                         dump_node_opcode(F, b);
2700                         fprintf(F, " %ld:%u", get_irn_node_nr(b), get_irn_idx(b));
2701                         fprintf(F, "\" status:clustered color:lightblue\n");
2702
2703                         /* dump the nodes that go into the block */
2704                         for (n = (ir_node*)get_irn_link(b); n; n = (ir_node*)get_irn_link(n)) {
2705                                 if (!eset_contains(loopnodes, n))
2706                                         overrule_nodecolor = ird_color_block_inout;
2707                                 dump_node(F, n);
2708                                 overrule_nodecolor = ird_color_default_node;
2709                                 if (eset_contains(loopnodes, n)) dump_ir_data_edges(F, n);
2710                         }
2711
2712                         /* Close the vcg information for the block */
2713                         fprintf(F, "}\n");
2714                         dump_const_node_local(F, b);
2715                         fprintf(F, "\n");
2716                 }
2717         }
2718         eset_destroy(loopnodes);
2719         eset_destroy(extnodes);
2720
2721         dump_vcg_footer(F);
2722 }
2723
2724 static bool   obstack_init;
2725 static struct obstack obst;
2726 static char  *dump_path;
2727
2728 void ir_set_dump_path(const char *path)
2729 {
2730         xfree(dump_path);
2731         dump_path = xstrdup(path);
2732 }
2733
2734 static void add_string_escaped(const char *string)
2735 {
2736         const char *p;
2737         for (p = string; *p != '\0'; ++p) {
2738                 char c = *p;
2739                 if (c == '/') {
2740                         obstack_1grow(&obst, '@');
2741                         obstack_1grow(&obst, '1');
2742                 } else if (c == '@') {
2743                         obstack_1grow(&obst, '@');
2744                         obstack_1grow(&obst, '2');
2745                 } else {
2746                         obstack_1grow(&obst, c);
2747                 }
2748         }
2749 }
2750
2751 static void add_dump_path(void)
2752 {
2753         if (!obstack_init) {
2754                 obstack_init(&obst);
2755                 obstack_init = true;
2756         }
2757
2758         if (dump_path != NULL) {
2759                 size_t len = strlen(dump_path);
2760                 obstack_grow(&obst, dump_path, len);
2761                 if (len > 0 && dump_path[len-1] != '/')
2762                         obstack_1grow(&obst, '/');
2763         }
2764 }
2765
2766 void dump_ir_graph_ext(ir_graph_dump_func func, ir_graph *graph,
2767                        const char *suffix)
2768 {
2769         const char *dump_name = get_irg_dump_name(graph);
2770         char       *file_name;
2771         FILE       *out;
2772
2773         if (!ir_should_dump(dump_name))
2774                 return;
2775
2776         add_dump_path();
2777
2778         add_string_escaped(dump_name);
2779         obstack_printf(&obst, "-%02u", graph->dump_nr++);
2780
2781         if (suffix != NULL) {
2782                 if (suffix[0] != '.')
2783                         obstack_1grow(&obst, '-');
2784                 add_string_escaped(suffix);
2785         }
2786         obstack_1grow(&obst, '\0');
2787
2788         file_name = (char*)obstack_finish(&obst);
2789         /* xvcg expects only <CR> so we need "b"inary mode (for win32) */
2790         out       = fopen(file_name, "wb");
2791         obstack_free(&obst, file_name);
2792
2793         if (out == NULL) {
2794                 fprintf(stderr, "Couldn't open '%s': %s\n", file_name, strerror(errno));
2795                 return;
2796         }
2797
2798         func(out, graph);
2799         fclose(out);
2800 }
2801
2802 void dump_ir_prog_ext(ir_prog_dump_func func, const char *suffix)
2803 {
2804         char *file_name;
2805         FILE *out;
2806
2807         add_dump_path();
2808
2809         obstack_printf(&obst, "%02u", irp->dump_nr++);
2810         if (suffix != NULL) {
2811                 if (suffix[0] != '.')
2812                         obstack_1grow(&obst, '-');
2813                 add_string_escaped(suffix);
2814         }
2815         obstack_1grow(&obst, '\0');
2816
2817         file_name = (char*)obstack_finish(&obst);
2818         out       = fopen(file_name, "wb");
2819         obstack_free(&obst, file_name);
2820
2821         if (out == NULL) {
2822                 fprintf(stderr, "Couldn't open '%s': %s\n", file_name, strerror(errno));
2823                 return;
2824         }
2825         func(out);
2826         fclose(out);
2827 }
2828
2829 void dump_ir_graph(ir_graph *graph, const char *suffix)
2830 {
2831         char buf[256];
2832
2833         snprintf(buf, sizeof(buf), "%s.vcg", suffix);
2834         dump_ir_graph_ext(dump_ir_graph_file, graph, buf);
2835 }
2836
2837 void dump_all_ir_graphs(const char *suffix)
2838 {
2839         size_t i, n_irgs = get_irp_n_irgs();
2840
2841         for (i = 0; i < n_irgs; ++i) {
2842                 ir_graph *irg = get_irp_irg(i);
2843                 dump_ir_graph(irg, suffix);
2844         }
2845 }
2846
2847 typedef struct pass_t {
2848         ir_prog_pass_t pass;
2849         char           suffix[1];
2850 } pass_t;
2851
2852 /**
2853  * Wrapper around dump_all_ir_graphs().
2854  */
2855 static int dump_all_ir_graphs_wrapper(ir_prog *irp, void *context)
2856 {
2857         pass_t *pass = (pass_t*)context;
2858
2859         (void)irp;
2860         dump_all_ir_graphs(pass->suffix);
2861         return 0;
2862 }
2863
2864 ir_prog_pass_t *dump_all_ir_graph_pass(const char *name, const char *suffix)
2865 {
2866         size_t  len  = strlen(suffix) + 1;
2867         pass_t *pass = XMALLOCF(pass_t, suffix, len);
2868         ir_prog_pass_t *res  = def_prog_pass_constructor(
2869                 &pass->pass, name ? name : "dump_all_graphs", dump_all_ir_graphs_wrapper);
2870
2871         /* this pass does not change anything, so neither dump nor verify is needed. */
2872         res->dump_irprog   = ir_prog_no_dump;
2873         res->verify_irprog = ir_prog_no_verify;
2874
2875         memcpy(pass->suffix, suffix, len);
2876
2877         return res;
2878 }