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