1 /* src/vm/jit/optimizing/graph.h - control flow graph header
3 Copyright (C) 2005, 2006 R. Grafl, A. Krall, C. Kruegel, C. Oates,
4 R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
5 C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
6 Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Christian Ullrich
37 #include "vm/jit/optimizing/lsra.h"
41 /* # define GRAPH_DEBUG_CHECK */
42 # define GRAPH_DEBUG_VERBOSE
45 #ifdef GRAPH_DEBUG_CHECK
46 # define _GRAPH_CHECK_BOUNDS(i,l,h) assert( ((i) >= (l)) && ((i) < (h)));
47 # define _GRAPH_ASSERT(a) assert((a));
49 # define _GRAPH_CHECK_BOUNDS(i,l,h)
50 # define _GRAPH_ASSERT(a)
54 int header; /* BB Index of subroutine start (SBR_HEADER) */
55 struct graph_element *ret; /* List of possible return BB indizes */
59 struct graph_element {
61 struct graph_element *next;
65 /* #ifdef GRAPH_DEBUG_CHECK */
69 struct graph_element **successor;
71 struct graph_element **predecessor;
74 typedef struct graphdata graphdata;
75 typedef struct graph_element graph_element;
76 typedef graph_element *graphiterator;
78 /* function prototypes */
79 void transform_BB(jitdata *, graphdata *gd);
80 graphdata *graph_init(int basicblockcount);
81 /* Generate the CFG */
82 void graph_make_cfg(jitdata *,graphdata *);
83 void graph_DFS(lsradata *ls, graphdata *gd);
84 int graph_get_first_successor(graphdata *gd, int b_index, graphiterator *i);
85 int graph_get_first_predecessor(graphdata *gd, int b_index, graphiterator *i);
86 int graph_get_next(graphiterator *i);
87 int graph_get_num_predecessor(graphdata *gd, int b_index);
88 int graph_get_num_successor(graphdata *gd, int b_index);
89 bool graph_has_multiple_successors( graphdata *gd, int b_index);
90 bool graph_has_multiple_predecessors( graphdata *gd, int b_index);
93 #endif /* _LSRA_GRAPH_H */
97 * These are local overrides for various environment variables in Emacs.
98 * Please do not remove this and leave it at the end of the file, where
99 * Emacs will automagically detect them.
100 * ---------------------------------------------------------------------
103 * indent-tabs-mode: t