-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Christian Schaefer
-**
-** irflag --- optimization flags
-*/
-
-# include "irflag.h"
-
-/* 0 - don't do this optimization
- 1 - lets see, if there is a better graph */
-int opt_cse = 1;
-int opt_constant_folding = 1;
-int opt_dead_node_elimination = 0;
-int optimized = 1;
-
-/* set the flags with set_flagname, get the flag with get_flagname */
-
-void
-set_opt_cse (int value)
-{
- opt_cse = value;
+/*
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+/**
+ * @file
+ * @brief Flags to control optimizations.
+ * @author Michael Beck, Sebastian Hack
+ * @version $Id$
+ */
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+
+#include "lc_opts.h"
+
+#include "firm_common.h"
+#include "irtools.h"
+#include "irflag_t.h"
+
+/* DISABLE - don't do this optimization
+ ENABLE - lets see, if there is a better graph */
+#define ON (-1)
+#define OFF (0)
+
+#define FLAG(name, value, def) (irf_##name & def) |
+#define E_FLAG(name, value, def) FLAG(name, value, def)
+#define I_FLAG(name, value, def) FLAG(name, value, def)
+#define R_FLAG(name, value)
+
+optimization_state_t libFIRM_opt =
+#include "irflag_t.def"
+ 0;
+
+#undef FLAG
+#undef E_FLAG
+#undef I_FLAG
+#undef R_FLAG
+
+/** The bitset of currently running phases. */
+optimization_state_t libFIRM_running = 0;
+
+/* verbose is always off on default */
+optimization_state_t libFIRM_verb = 0;
+
+/* an external flag can be set and get from outside */
+#define E_FLAG(name, value, def) \
+void set_opt_##name(int flag) { \
+ if (flag) libFIRM_opt |= irf_##name; \
+ else libFIRM_opt &= ~irf_##name; \
+} \
+void set_opt_##name##_verbose(int flag) { \
+ if (flag) libFIRM_verb |= irf_##name; \
+ else libFIRM_verb &= ~irf_##name; \
+} \
+int (get_opt_##name)(void) { \
+ return _get_opt_##name(); \
}
-int
-get_opt_cse (void)
-{
- return opt_cse;
+/* an internal flag can only be set from outside */
+#define I_FLAG(name, value, def) \
+void set_opt_##name(int flag) { \
+ if (flag) libFIRM_opt |= irf_##name; \
+ else libFIRM_opt &= ~irf_##name; \
+} \
+void set_opt_##name##_verbose(int flag) { \
+ if (flag) libFIRM_verb |= irf_##name; \
+ else libFIRM_verb &= ~irf_##name; \
}
-void
-set_opt_constant_folding (int value)
-{
- opt_constant_folding=value;
+#define R_FLAG(name, value)
+
+/* generate them */
+#include "irflag_t.def"
+
+#undef I_FLAG
+#undef E_FLAG
+#undef R_FLAG
+
+/* for compatibility reasons */
+void set_optimize(int value) {
+ if (value) libFIRM_opt |= irf_optimize;
+ else libFIRM_opt &= ~irf_optimize;
}
-int
-get_opt_constant_folding (void)
-{
- return opt_constant_folding;
+int (get_optimize)(void) {
+ return get_opt_optimize();
}
-void set_opt_dead_node_elimination (int value)
-{
- opt_dead_node_elimination=value;
+void set_opt_control_flow(int value) {
+ set_opt_control_flow_straightening(value);
+ set_opt_control_flow_weak_simplification(value);
+ set_opt_control_flow_strong_simplification(value);
}
-int get_opt_dead_node_elimination (void)
-{
- return opt_dead_node_elimination;
+/* Save the current optimization state. */
+void save_optimization_state(optimization_state_t *state) {
+ *state = libFIRM_opt;
}
-void
-set_optimize (int value)
-{
- optimized = value;
+/* Restore the current optimization state. */
+void restore_optimization_state(const optimization_state_t *state) {
+ libFIRM_opt = *state;
}
-int
-get_optimize (void)
-{
- return optimized;
+/* Switches ALL optimizations off */
+void all_optimizations_off(void) {
+ libFIRM_opt = 0;
+}
+
+#ifdef _DEBUG
+/* only for debugging */
+void firm_show_flags(FILE *f) {
+ if (! f)
+ f = stdout;
+ printf("Firm optimization state:\n");
+#define E_FLAG(name, value, def) printf(" %-20s = %s\n", #name, get_opt_##name() ? "ON" : "OFF");
+#define I_FLAG(name, value, def) printf(" %-20s = %s\n", #name, get_opt_##name() ? "ON" : "OFF");
+#define R_FLAG(name, value) printf(" %-20s = %s\n", #name, is_##name##_running() ? "is running" : "not running");
+#include "irflag_t.def"
+#undef I_FLAG
+#undef E_FLAG
+#undef R_FLAG
+ printf("\n");
+}
+#endif
+
+static const lc_opt_table_entry_t firm_flags[] = {
+#define I_FLAG(name, val, def) LC_OPT_ENT_BIT(#name, #name, &libFIRM_opt, (1 << val)),
+#define E_FLAG(name, val, def) LC_OPT_ENT_BIT(#name, #name, &libFIRM_opt, (1 << val)),
+#define R_FLAG(name, val)
+#include "irflag_t.def"
+#undef I_FLAG
+#undef E_FLAG
+#undef R_FLAG
+ LC_OPT_LAST
+};
+
+void firm_init_flags(void) {
+ lc_opt_entry_t *grp = lc_opt_get_grp(firm_opt_get_root(), "opt");
+ lc_opt_add_table(grp, firm_flags);
+}
+
+firm_verification_t opt_do_node_verification = FIRM_VERIFICATION_ON;
+
+void do_node_verification(firm_verification_t mode) {
+ opt_do_node_verification = mode;
}
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