nsz Git - libfirm/blob - ir/be/bedump.c

   1 /*
   2  * Copyright (C) 1995-2008 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       Code for dumping backend datastructures (i.e. interference graphs)
  23  * @author      Matthias Braun
  24  */
  25 #include "config.h"
  26
  27 #include "bedump.h"
  28
  29 #include "irdump_t.h"
  30 #include "irgwalk.h"
  31 #include "beifg.h"
  32 #include "becopyopt_t.h"
  33 #include "belive_t.h"
  34
  35 static void dump_ifg_nodes(FILE *F, const be_ifg_t *ifg)
  36 {
  37         nodes_iter_t ifg_iter;
  38         ir_node     *node;
  39         be_ifg_foreach_node(ifg, &ifg_iter, node) {
  40                 dump_node(F, node);
  41         }
  42 }
  43
  44 static void dump_ifg_edges(FILE *F, const be_ifg_t *ifg)
  45 {
  46         nodes_iter_t ifg_iter;
  47         ir_node     *node;
  48
  49         be_ifg_foreach_node(ifg, &ifg_iter, node) {
  50                 neighbours_iter_t neigh_iter;
  51                 ir_node          *neighbour;
  52
  53                 be_ifg_foreach_neighbour(ifg, &neigh_iter, node, neighbour) {
  54                         /* interference is bidirectional, but it's enough to dump 1
  55                          * direction */
  56                         if (get_irn_node_nr(node) >= get_irn_node_nr(neighbour))
  57                                 continue;
  58
  59                         fprintf(F, "edge: {sourcename: ");
  60                         print_nodeid(F, node);
  61                         fprintf(F, " targetname: ");
  62                         print_nodeid(F, neighbour);
  63                         fprintf(F, " arrowstyle:none class:1}\n");
  64                 }
  65         }
  66 }
  67
  68 void be_dump_ifg(FILE *F, ir_graph *irg, const be_ifg_t *ifg)
  69 {
  70         ir_fprintf(F,
  71                 "graph: { title: \"interference graph of %+F\"\n"
  72                 "layoutalgorithm: mindepth //$ \"circular\"\n"
  73                 "classname 1: \"interference\"\n"
  74                 , irg);
  75         dump_vcg_infonames(F);
  76         dump_vcg_header_colors(F);
  77
  78         dump_ifg_nodes(F, ifg);
  79         dump_ifg_edges(F, ifg);
  80
  81         fprintf(F, "}\n");
  82 }
  83
  84 static void dump_affinity_edges(FILE *F, const copy_opt_t *co,
  85                                 bool dump_costs, bool dump_colors)
  86 {
  87         co_gs_foreach_aff_node(co, a) {
  88                 neighb_t *n;
  89
  90                 co_gs_foreach_neighb(a, n) {
  91                         /* edges are bidirection, dumping one direction is enough */
  92                         if (get_irn_node_nr(a->irn) >= get_irn_node_nr(n->irn))
  93                                 continue;
  94
  95                         fprintf(F, "edge: {sourcename: ");
  96                         print_nodeid(F, a->irn);
  97                         fprintf(F, " targetname: ");
  98                         print_nodeid(F, n->irn);
  99                         fprintf(F, " arrowstyle:none");
 100
 101                         if (dump_costs)
 102                                 fprintf(F, " label:\"%d\"", n->costs);
 103                         if (dump_colors) {
 104                                 const arch_register_t *ar = arch_get_irn_register(a->irn);
 105                                 const arch_register_t *nr = arch_get_irn_register(n->irn);
 106                                 const char *color = nr == ar ? "blue" : "red";
 107                                 fprintf(F, " color:%s", color);
 108                         }
 109                         fprintf(F, " linestyle:dashed class:2");
 110                         fprintf(F, "}\n");
 111                 }
 112         }
 113 }
 114
 115 void be_dump_ifg_co(FILE *F, const copy_opt_t *co, bool dump_costs,
 116                     bool dump_colors)
 117 {
 118         ir_graph *irg = co->irg;
 119         be_ifg_t *ifg = co->cenv->ifg;
 120
 121         ir_fprintf(F,
 122                 "graph: { title: \"interference graph of %+F\"\n"
 123                 "layoutalgorithm: mindepth //$ \"circular\"\n"
 124                 "classname 1: \"interference\"\n"
 125                 "classname 2: \"affinity\"\n"
 126                 , irg);
 127         dump_vcg_infonames(F);
 128         dump_vcg_header_colors(F);
 129
 130         dump_ifg_nodes(F, ifg);
 131         dump_ifg_edges(F, ifg);
 132         dump_affinity_edges(F, co, dump_costs, dump_colors);
 133
 134         fprintf(F, "}\n");
 135 }
 136
 137 static const char *lv_flags_to_str(unsigned flags)
 138 {
 139         static const char *states[] = {
 140                 "---",
 141                 "i--",
 142                 "-e-",
 143                 "ie-",
 144                 "--o",
 145                 "i-o",
 146                 "-eo",
 147                 "ieo"
 148         };
 149
 150         return states[flags & 7];
 151 }
 152
 153 void be_dump_liveness_block(void *context, FILE *F, const ir_node *bl)
 154 {
 155         if (is_Block(bl)) {
 156                 be_lv_t *lv = (be_lv_t*)context;
 157                 be_lv_info_t *info = (be_lv_info_t*)ir_nodehashmap_get(&lv->map, bl);
 158
 159                 fprintf(F, "liveness:\n");
 160                 if (info != NULL) {
 161                         unsigned n = info[0].head.n_members;
 162                         unsigned i;
 163
 164                         for (i = 0; i < n; ++i) {
 165                                 be_lv_info_node_t *n = &info[i+1].node;
 166                                 ir_fprintf(F, "%s %+F\n", lv_flags_to_str(n->flags), get_idx_irn(lv->irg, n->idx));
 167                         }
 168                 }
 169         }
 170 }
 171
 172 typedef struct lv_walker_t {
 173         be_lv_t *lv;
 174         void *data;
 175 } lv_walker_t;
 176
 177 static void lv_dump_block_walker(ir_node *irn, void *data)
 178 {
 179         lv_walker_t *w = (lv_walker_t*)data;
 180         if (!is_Block(irn))
 181                 return;
 182         be_dump_liveness_block(w->lv, (FILE*)w->data, irn);
 183 }
 184
 185 void be_liveness_dump(FILE *F, const be_lv_t *lv)
 186 {
 187         lv_walker_t w;
 188
 189         w.lv   = (be_lv_t *) lv;
 190         w.data = F;
 191         irg_block_walk_graph(lv->irg, lv_dump_block_walker, NULL, &w);
 192 }