/* Output routines for graphical representation.
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/* Output routines for graphical representation.
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Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2007
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Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2007
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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Software Foundation; either version 3, or (at your option) any later
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version.
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#include <config.h>
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#include <config.h>
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#include "system.h"
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#include "system.h"
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#include "coretypes.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tm.h"
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#include "rtl.h"
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#include "rtl.h"
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#include "flags.h"
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#include "flags.h"
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#include "output.h"
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#include "output.h"
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#include "function.h"
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#include "function.h"
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#include "hard-reg-set.h"
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#include "hard-reg-set.h"
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#include "obstack.h"
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#include "obstack.h"
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#include "basic-block.h"
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#include "basic-block.h"
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#include "toplev.h"
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#include "toplev.h"
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#include "graph.h"
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#include "graph.h"
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static const char *const graph_ext[] =
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static const char *const graph_ext[] =
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{
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{
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/* no_graph */ "",
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/* no_graph */ "",
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/* vcg */ ".vcg",
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/* vcg */ ".vcg",
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};
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};
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static void start_fct (FILE *);
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static void start_fct (FILE *);
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static void start_bb (FILE *, int);
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static void start_bb (FILE *, int);
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static void node_data (FILE *, rtx);
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static void node_data (FILE *, rtx);
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static void draw_edge (FILE *, int, int, int, int);
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static void draw_edge (FILE *, int, int, int, int);
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static void end_fct (FILE *);
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static void end_fct (FILE *);
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static void end_bb (FILE *);
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static void end_bb (FILE *);
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/* Output text for new basic block. */
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/* Output text for new basic block. */
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static void
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static void
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start_fct (FILE *fp)
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start_fct (FILE *fp)
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{
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{
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switch (graph_dump_format)
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switch (graph_dump_format)
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{
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{
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case vcg:
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case vcg:
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fprintf (fp, "\
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fprintf (fp, "\
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graph: { title: \"%s\"\nfolding: 1\nhidden: 2\nnode: { title: \"%s.0\" }\n",
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graph: { title: \"%s\"\nfolding: 1\nhidden: 2\nnode: { title: \"%s.0\" }\n",
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current_function_name (), current_function_name ());
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current_function_name (), current_function_name ());
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break;
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break;
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case no_graph:
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case no_graph:
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break;
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break;
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}
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}
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}
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}
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static void
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static void
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start_bb (FILE *fp, int bb)
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start_bb (FILE *fp, int bb)
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{
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{
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#if 0
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#if 0
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reg_set_iterator rsi;
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reg_set_iterator rsi;
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#endif
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#endif
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switch (graph_dump_format)
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switch (graph_dump_format)
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{
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{
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case vcg:
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case vcg:
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fprintf (fp, "\
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fprintf (fp, "\
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graph: {\ntitle: \"%s.BB%d\"\nfolding: 1\ncolor: lightblue\n\
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graph: {\ntitle: \"%s.BB%d\"\nfolding: 1\ncolor: lightblue\n\
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label: \"basic block %d",
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label: \"basic block %d",
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current_function_name (), bb, bb);
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current_function_name (), bb, bb);
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break;
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break;
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case no_graph:
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case no_graph:
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break;
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break;
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}
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}
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#if 0
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#if 0
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/* FIXME Should this be printed? It makes the graph significantly larger. */
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/* FIXME Should this be printed? It makes the graph significantly larger. */
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/* Print the live-at-start register list. */
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/* Print the live-at-start register list. */
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fputc ('\n', fp);
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fputc ('\n', fp);
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EXECUTE_IF_SET_IN_REG_SET (basic_block_live_at_start[bb], 0, i, rsi)
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EXECUTE_IF_SET_IN_REG_SET (basic_block_live_at_start[bb], 0, i, rsi)
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{
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{
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fprintf (fp, " %d", i);
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fprintf (fp, " %d", i);
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if (i < FIRST_PSEUDO_REGISTER)
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if (i < FIRST_PSEUDO_REGISTER)
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fprintf (fp, " [%s]", reg_names[i]);
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fprintf (fp, " [%s]", reg_names[i]);
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}
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}
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#endif
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#endif
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switch (graph_dump_format)
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switch (graph_dump_format)
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{
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{
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case vcg:
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case vcg:
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fputs ("\"\n\n", fp);
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fputs ("\"\n\n", fp);
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break;
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break;
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case no_graph:
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case no_graph:
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break;
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break;
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}
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}
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}
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}
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static void
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static void
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node_data (FILE *fp, rtx tmp_rtx)
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node_data (FILE *fp, rtx tmp_rtx)
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{
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{
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if (PREV_INSN (tmp_rtx) == 0)
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if (PREV_INSN (tmp_rtx) == 0)
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{
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{
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/* This is the first instruction. Add an edge from the starting
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/* This is the first instruction. Add an edge from the starting
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block. */
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block. */
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switch (graph_dump_format)
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switch (graph_dump_format)
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{
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{
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case vcg:
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case vcg:
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fprintf (fp, "\
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fprintf (fp, "\
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edge: { sourcename: \"%s.0\" targetname: \"%s.%d\" }\n",
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edge: { sourcename: \"%s.0\" targetname: \"%s.%d\" }\n",
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current_function_name (),
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current_function_name (),
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current_function_name (), XINT (tmp_rtx, 0));
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current_function_name (), XINT (tmp_rtx, 0));
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break;
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break;
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case no_graph:
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case no_graph:
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break;
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break;
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}
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}
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}
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}
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switch (graph_dump_format)
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switch (graph_dump_format)
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{
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{
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case vcg:
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case vcg:
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fprintf (fp, "node: {\n title: \"%s.%d\"\n color: %s\n \
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fprintf (fp, "node: {\n title: \"%s.%d\"\n color: %s\n \
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label: \"%s %d\n",
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label: \"%s %d\n",
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current_function_name (), XINT (tmp_rtx, 0),
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current_function_name (), XINT (tmp_rtx, 0),
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NOTE_P (tmp_rtx) ? "lightgrey"
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NOTE_P (tmp_rtx) ? "lightgrey"
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: NONJUMP_INSN_P (tmp_rtx) ? "green"
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: NONJUMP_INSN_P (tmp_rtx) ? "green"
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: JUMP_P (tmp_rtx) ? "darkgreen"
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: JUMP_P (tmp_rtx) ? "darkgreen"
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: CALL_P (tmp_rtx) ? "darkgreen"
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: CALL_P (tmp_rtx) ? "darkgreen"
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: LABEL_P (tmp_rtx) ? "\
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: LABEL_P (tmp_rtx) ? "\
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darkgrey\n shape: ellipse" : "white",
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darkgrey\n shape: ellipse" : "white",
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GET_RTX_NAME (GET_CODE (tmp_rtx)), XINT (tmp_rtx, 0));
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GET_RTX_NAME (GET_CODE (tmp_rtx)), XINT (tmp_rtx, 0));
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break;
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break;
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case no_graph:
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case no_graph:
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break;
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break;
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}
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}
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|
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/* Print the RTL. */
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/* Print the RTL. */
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if (NOTE_P (tmp_rtx))
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if (NOTE_P (tmp_rtx))
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{
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{
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const char *name = "";
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const char *name = "";
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if (NOTE_LINE_NUMBER (tmp_rtx) < 0)
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if (NOTE_LINE_NUMBER (tmp_rtx) < 0)
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name = GET_NOTE_INSN_NAME (NOTE_LINE_NUMBER (tmp_rtx));
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name = GET_NOTE_INSN_NAME (NOTE_LINE_NUMBER (tmp_rtx));
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fprintf (fp, " %s", name);
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fprintf (fp, " %s", name);
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}
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}
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else if (INSN_P (tmp_rtx))
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else if (INSN_P (tmp_rtx))
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print_rtl_single (fp, PATTERN (tmp_rtx));
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print_rtl_single (fp, PATTERN (tmp_rtx));
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else
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else
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print_rtl_single (fp, tmp_rtx);
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print_rtl_single (fp, tmp_rtx);
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switch (graph_dump_format)
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switch (graph_dump_format)
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{
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{
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case vcg:
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case vcg:
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fputs ("\"\n}\n", fp);
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fputs ("\"\n}\n", fp);
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break;
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break;
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case no_graph:
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case no_graph:
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break;
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break;
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}
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}
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}
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}
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static void
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static void
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draw_edge (FILE *fp, int from, int to, int bb_edge, int class)
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draw_edge (FILE *fp, int from, int to, int bb_edge, int class)
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{
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{
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const char * color;
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const char * color;
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switch (graph_dump_format)
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switch (graph_dump_format)
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{
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{
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case vcg:
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case vcg:
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color = "";
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color = "";
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if (class == 2)
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if (class == 2)
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color = "color: red ";
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color = "color: red ";
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else if (bb_edge)
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else if (bb_edge)
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color = "color: blue ";
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color = "color: blue ";
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else if (class == 3)
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else if (class == 3)
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color = "color: green ";
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color = "color: green ";
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fprintf (fp,
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fprintf (fp,
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"edge: { sourcename: \"%s.%d\" targetname: \"%s.%d\" %s",
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"edge: { sourcename: \"%s.%d\" targetname: \"%s.%d\" %s",
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current_function_name (), from,
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current_function_name (), from,
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current_function_name (), to, color);
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current_function_name (), to, color);
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if (class)
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if (class)
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fprintf (fp, "class: %d ", class);
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fprintf (fp, "class: %d ", class);
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fputs ("}\n", fp);
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fputs ("}\n", fp);
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break;
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break;
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case no_graph:
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case no_graph:
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break;
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break;
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}
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}
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}
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}
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static void
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static void
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end_bb (FILE *fp)
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end_bb (FILE *fp)
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{
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{
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switch (graph_dump_format)
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switch (graph_dump_format)
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{
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{
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case vcg:
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case vcg:
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fputs ("}\n", fp);
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fputs ("}\n", fp);
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break;
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break;
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case no_graph:
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case no_graph:
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break;
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break;
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}
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}
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}
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}
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|
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static void
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static void
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end_fct (FILE *fp)
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end_fct (FILE *fp)
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{
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{
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switch (graph_dump_format)
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switch (graph_dump_format)
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{
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{
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case vcg:
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case vcg:
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fprintf (fp, "node: { title: \"%s.999999\" label: \"END\" }\n}\n",
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fprintf (fp, "node: { title: \"%s.999999\" label: \"END\" }\n}\n",
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current_function_name ());
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current_function_name ());
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break;
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break;
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case no_graph:
|
case no_graph:
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break;
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break;
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}
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}
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}
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}
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|
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/* Like print_rtl, but also print out live information for the start of each
|
/* Like print_rtl, but also print out live information for the start of each
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basic block. */
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basic block. */
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void
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void
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print_rtl_graph_with_bb (const char *base, rtx rtx_first)
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print_rtl_graph_with_bb (const char *base, rtx rtx_first)
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{
|
{
|
rtx tmp_rtx;
|
rtx tmp_rtx;
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size_t namelen = strlen (base);
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size_t namelen = strlen (base);
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size_t extlen = strlen (graph_ext[graph_dump_format]) + 1;
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size_t extlen = strlen (graph_ext[graph_dump_format]) + 1;
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char *buf = alloca (namelen + extlen);
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char *buf = alloca (namelen + extlen);
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FILE *fp;
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FILE *fp;
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|
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if (basic_block_info == NULL)
|
if (basic_block_info == NULL)
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return;
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return;
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|
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memcpy (buf, base, namelen);
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memcpy (buf, base, namelen);
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memcpy (buf + namelen, graph_ext[graph_dump_format], extlen);
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memcpy (buf + namelen, graph_ext[graph_dump_format], extlen);
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|
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fp = fopen (buf, "a");
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fp = fopen (buf, "a");
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if (fp == NULL)
|
if (fp == NULL)
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return;
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return;
|
|
|
if (rtx_first == 0)
|
if (rtx_first == 0)
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fprintf (fp, "(nil)\n");
|
fprintf (fp, "(nil)\n");
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else
|
else
|
{
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{
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enum bb_state { NOT_IN_BB, IN_ONE_BB, IN_MULTIPLE_BB };
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enum bb_state { NOT_IN_BB, IN_ONE_BB, IN_MULTIPLE_BB };
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int max_uid = get_max_uid ();
|
int max_uid = get_max_uid ();
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int *start = XNEWVEC (int, max_uid);
|
int *start = XNEWVEC (int, max_uid);
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int *end = XNEWVEC (int, max_uid);
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int *end = XNEWVEC (int, max_uid);
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enum bb_state *in_bb_p = XNEWVEC (enum bb_state, max_uid);
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enum bb_state *in_bb_p = XNEWVEC (enum bb_state, max_uid);
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basic_block bb;
|
basic_block bb;
|
int i;
|
int i;
|
|
|
for (i = 0; i < max_uid; ++i)
|
for (i = 0; i < max_uid; ++i)
|
{
|
{
|
start[i] = end[i] = -1;
|
start[i] = end[i] = -1;
|
in_bb_p[i] = NOT_IN_BB;
|
in_bb_p[i] = NOT_IN_BB;
|
}
|
}
|
|
|
FOR_EACH_BB_REVERSE (bb)
|
FOR_EACH_BB_REVERSE (bb)
|
{
|
{
|
rtx x;
|
rtx x;
|
start[INSN_UID (BB_HEAD (bb))] = bb->index;
|
start[INSN_UID (BB_HEAD (bb))] = bb->index;
|
end[INSN_UID (BB_END (bb))] = bb->index;
|
end[INSN_UID (BB_END (bb))] = bb->index;
|
for (x = BB_HEAD (bb); x != NULL_RTX; x = NEXT_INSN (x))
|
for (x = BB_HEAD (bb); x != NULL_RTX; x = NEXT_INSN (x))
|
{
|
{
|
in_bb_p[INSN_UID (x)]
|
in_bb_p[INSN_UID (x)]
|
= (in_bb_p[INSN_UID (x)] == NOT_IN_BB)
|
= (in_bb_p[INSN_UID (x)] == NOT_IN_BB)
|
? IN_ONE_BB : IN_MULTIPLE_BB;
|
? IN_ONE_BB : IN_MULTIPLE_BB;
|
if (x == BB_END (bb))
|
if (x == BB_END (bb))
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/* Tell print-rtl that we want graph output. */
|
/* Tell print-rtl that we want graph output. */
|
dump_for_graph = 1;
|
dump_for_graph = 1;
|
|
|
/* Start new function. */
|
/* Start new function. */
|
start_fct (fp);
|
start_fct (fp);
|
|
|
for (tmp_rtx = NEXT_INSN (rtx_first); NULL != tmp_rtx;
|
for (tmp_rtx = NEXT_INSN (rtx_first); NULL != tmp_rtx;
|
tmp_rtx = NEXT_INSN (tmp_rtx))
|
tmp_rtx = NEXT_INSN (tmp_rtx))
|
{
|
{
|
int edge_printed = 0;
|
int edge_printed = 0;
|
rtx next_insn;
|
rtx next_insn;
|
|
|
if (start[INSN_UID (tmp_rtx)] < 0 && end[INSN_UID (tmp_rtx)] < 0)
|
if (start[INSN_UID (tmp_rtx)] < 0 && end[INSN_UID (tmp_rtx)] < 0)
|
{
|
{
|
if (BARRIER_P (tmp_rtx))
|
if (BARRIER_P (tmp_rtx))
|
continue;
|
continue;
|
if (NOTE_P (tmp_rtx)
|
if (NOTE_P (tmp_rtx)
|
&& (1 || in_bb_p[INSN_UID (tmp_rtx)] == NOT_IN_BB))
|
&& (1 || in_bb_p[INSN_UID (tmp_rtx)] == NOT_IN_BB))
|
continue;
|
continue;
|
}
|
}
|
|
|
if ((i = start[INSN_UID (tmp_rtx)]) >= 0)
|
if ((i = start[INSN_UID (tmp_rtx)]) >= 0)
|
{
|
{
|
/* We start a subgraph for each basic block. */
|
/* We start a subgraph for each basic block. */
|
start_bb (fp, i);
|
start_bb (fp, i);
|
|
|
if (i == 0)
|
if (i == 0)
|
draw_edge (fp, 0, INSN_UID (tmp_rtx), 1, 0);
|
draw_edge (fp, 0, INSN_UID (tmp_rtx), 1, 0);
|
}
|
}
|
|
|
/* Print the data for this node. */
|
/* Print the data for this node. */
|
node_data (fp, tmp_rtx);
|
node_data (fp, tmp_rtx);
|
next_insn = next_nonnote_insn (tmp_rtx);
|
next_insn = next_nonnote_insn (tmp_rtx);
|
|
|
if ((i = end[INSN_UID (tmp_rtx)]) >= 0)
|
if ((i = end[INSN_UID (tmp_rtx)]) >= 0)
|
{
|
{
|
edge e;
|
edge e;
|
edge_iterator ei;
|
edge_iterator ei;
|
|
|
bb = BASIC_BLOCK (i);
|
bb = BASIC_BLOCK (i);
|
|
|
/* End of the basic block. */
|
/* End of the basic block. */
|
end_bb (fp);
|
end_bb (fp);
|
|
|
/* Now specify the edges to all the successors of this
|
/* Now specify the edges to all the successors of this
|
basic block. */
|
basic block. */
|
FOR_EACH_EDGE (e, ei, bb->succs)
|
FOR_EACH_EDGE (e, ei, bb->succs)
|
{
|
{
|
if (e->dest != EXIT_BLOCK_PTR)
|
if (e->dest != EXIT_BLOCK_PTR)
|
{
|
{
|
rtx block_head = BB_HEAD (e->dest);
|
rtx block_head = BB_HEAD (e->dest);
|
|
|
draw_edge (fp, INSN_UID (tmp_rtx),
|
draw_edge (fp, INSN_UID (tmp_rtx),
|
INSN_UID (block_head),
|
INSN_UID (block_head),
|
next_insn != block_head,
|
next_insn != block_head,
|
(e->flags & EDGE_ABNORMAL ? 2 : 0));
|
(e->flags & EDGE_ABNORMAL ? 2 : 0));
|
|
|
if (block_head == next_insn)
|
if (block_head == next_insn)
|
edge_printed = 1;
|
edge_printed = 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
draw_edge (fp, INSN_UID (tmp_rtx), 999999,
|
draw_edge (fp, INSN_UID (tmp_rtx), 999999,
|
next_insn != 0,
|
next_insn != 0,
|
(e->flags & EDGE_ABNORMAL ? 2 : 0));
|
(e->flags & EDGE_ABNORMAL ? 2 : 0));
|
|
|
if (next_insn == 0)
|
if (next_insn == 0)
|
edge_printed = 1;
|
edge_printed = 1;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (!edge_printed)
|
if (!edge_printed)
|
{
|
{
|
/* Don't print edges to barriers. */
|
/* Don't print edges to barriers. */
|
if (next_insn == 0
|
if (next_insn == 0
|
|| !BARRIER_P (next_insn))
|
|| !BARRIER_P (next_insn))
|
draw_edge (fp, XINT (tmp_rtx, 0),
|
draw_edge (fp, XINT (tmp_rtx, 0),
|
next_insn ? INSN_UID (next_insn) : 999999, 0, 0);
|
next_insn ? INSN_UID (next_insn) : 999999, 0, 0);
|
else
|
else
|
{
|
{
|
/* We draw the remaining edges in class 3. We have
|
/* We draw the remaining edges in class 3. We have
|
to skip over the barrier since these nodes are
|
to skip over the barrier since these nodes are
|
not printed at all. */
|
not printed at all. */
|
do
|
do
|
next_insn = NEXT_INSN (next_insn);
|
next_insn = NEXT_INSN (next_insn);
|
while (next_insn
|
while (next_insn
|
&& (NOTE_P (next_insn)
|
&& (NOTE_P (next_insn)
|
|| BARRIER_P (next_insn)));
|
|| BARRIER_P (next_insn)));
|
|
|
draw_edge (fp, XINT (tmp_rtx, 0),
|
draw_edge (fp, XINT (tmp_rtx, 0),
|
next_insn ? INSN_UID (next_insn) : 999999, 0, 3);
|
next_insn ? INSN_UID (next_insn) : 999999, 0, 3);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
dump_for_graph = 0;
|
dump_for_graph = 0;
|
|
|
end_fct (fp);
|
end_fct (fp);
|
|
|
/* Clean up. */
|
/* Clean up. */
|
free (start);
|
free (start);
|
free (end);
|
free (end);
|
free (in_bb_p);
|
free (in_bb_p);
|
}
|
}
|
|
|
fclose (fp);
|
fclose (fp);
|
}
|
}
|
|
|
|
|
/* Similar as clean_dump_file, but this time for graph output files. */
|
/* Similar as clean_dump_file, but this time for graph output files. */
|
|
|
void
|
void
|
clean_graph_dump_file (const char *base)
|
clean_graph_dump_file (const char *base)
|
{
|
{
|
size_t namelen = strlen (base);
|
size_t namelen = strlen (base);
|
size_t extlen = strlen (graph_ext[graph_dump_format]) + 1;
|
size_t extlen = strlen (graph_ext[graph_dump_format]) + 1;
|
char *buf = alloca (namelen + extlen);
|
char *buf = alloca (namelen + extlen);
|
FILE *fp;
|
FILE *fp;
|
|
|
memcpy (buf, base, namelen);
|
memcpy (buf, base, namelen);
|
memcpy (buf + namelen, graph_ext[graph_dump_format], extlen);
|
memcpy (buf + namelen, graph_ext[graph_dump_format], extlen);
|
|
|
fp = fopen (buf, "w");
|
fp = fopen (buf, "w");
|
|
|
if (fp == NULL)
|
if (fp == NULL)
|
fatal_error ("can't open %s: %m", buf);
|
fatal_error ("can't open %s: %m", buf);
|
|
|
gcc_assert (graph_dump_format == vcg);
|
gcc_assert (graph_dump_format == vcg);
|
fputs ("graph: {\nport_sharing: no\n", fp);
|
fputs ("graph: {\nport_sharing: no\n", fp);
|
|
|
fclose (fp);
|
fclose (fp);
|
}
|
}
|
|
|
|
|
/* Do final work on the graph output file. */
|
/* Do final work on the graph output file. */
|
void
|
void
|
finish_graph_dump_file (const char *base)
|
finish_graph_dump_file (const char *base)
|
{
|
{
|
size_t namelen = strlen (base);
|
size_t namelen = strlen (base);
|
size_t extlen = strlen (graph_ext[graph_dump_format]) + 1;
|
size_t extlen = strlen (graph_ext[graph_dump_format]) + 1;
|
char *buf = alloca (namelen + extlen);
|
char *buf = alloca (namelen + extlen);
|
FILE *fp;
|
FILE *fp;
|
|
|
memcpy (buf, base, namelen);
|
memcpy (buf, base, namelen);
|
memcpy (buf + namelen, graph_ext[graph_dump_format], extlen);
|
memcpy (buf + namelen, graph_ext[graph_dump_format], extlen);
|
|
|
fp = fopen (buf, "a");
|
fp = fopen (buf, "a");
|
if (fp != NULL)
|
if (fp != NULL)
|
{
|
{
|
gcc_assert (graph_dump_format == vcg);
|
gcc_assert (graph_dump_format == vcg);
|
fputs ("}\n", fp);
|
fputs ("}\n", fp);
|
fclose (fp);
|
fclose (fp);
|
}
|
}
|
}
|
}
|
|
|
