1 /* src/vm/jit/optimizing/dominators.h - Dominators and Dominance Frontier 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/graph.h"
41 /* # define DOM_DEBUG_CHECK */
42 # define DOM_DEBUG_VERBOSE
45 #ifdef DOM_DEBUG_CHECK
46 # define _DOM_CHECK_BOUNDS(i,l,h) assert( ((i) >= (l)) && ((i) < (h)));
47 # define _DOM_ASSERT(a) assert((a));
49 # define _DOM_CHECK_BOUNDS(i,l,h)
50 # define _DOM_ASSERT(a)
53 struct dominatordata {
54 int *dfnum; /* [0..ls->basicblockcount[ */
55 int *vertex; /* [0..ls->basicblockcount[ */
56 int *parent; /* [0..ls->basicblockcount[ */
57 int *semi; /* [0..ls->basicblockcount[ */
58 int *ancestor; /* [0..ls->basicblockcount[ */
59 int *idom; /* [0..ls->basicblockcount[ */
60 int *samedom; /* [0..ls->basicblockcount[ */
61 int **bucket; /* [0..ls->basicblockcount[[0..ls->bbc[ */
62 int *num_bucket; /* [0..ls->basicblockcount[ */
63 int *best; /* [0..ls->basicblockcount[ */
64 int **DF; /* [0..ls->basicblockcount[[0..ls->bbc[ */
65 int *num_DF; /* [0..ls->basicblockcount[ */
68 typedef struct dominatordata dominatordata;
70 /* function prototypes */
71 dominatordata *compute_Dominators(graphdata *gd, int basicblockcount);
72 void computeDF(graphdata *gd, dominatordata *dd, int basicblockcount, int n);
74 #endif /* _DOMINATORS_H */
77 * These are local overrides for various environment variables in Emacs.
78 * Please do not remove this and leave it at the end of the file, where
79 * Emacs will automagically detect them.
80 * ---------------------------------------------------------------------