-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Christian Schaefer
-**
-** irflag --- optimization flags
-*/
+/*
+ * Project: libFIRM
+ * File name: ir/ir/irflag.c
+ * Purpose: Flags to control optimizations.
+ * Author: Christian Schaefer, Goetz Lindenmaier
+ * Modified by:
+ * Created:
+ * CVS-ID: $Id$
+ * Copyright: (c) 1999-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
-# include "irflag.h"
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
-int opt_cse = 0;
-int opt_constant_folding = 1;
-int optimized = 1;
+#include <stdio.h>
-/* set the flags with set_flagname, get the flag with get_flagname */
+#ifdef WITH_LIBCORE
+#include <libcore/lc_opts.h>
+#endif
-void
-set_opt_cse (int value)
-{
- opt_cse = value;
+#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)
+
+optimization_state_t libFIRM_opt =
+#include "irflag_t.def"
+ 0;
+
+#undef FLAG
+#undef E_FLAG
+#undef I_FLAG
+
+
+/* verbose is always off on default */
+optimization_state_t libFIRM_verb = 0;
+
+/** The Firm verbosity level */
+int firm_verbosity_level;
+
+/* 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(); \
+}
+
+/* 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; \
}
-int
-get_opt_cse (void)
+/* generate them */
+#include "irflag_t.def"
+
+#undef I_FLAG
+#undef E_FLAG
+
+/* for compatibility reasons */
+void set_optimize(int value) {
+ if (value) libFIRM_opt |= irf_optimize;
+ else libFIRM_opt &= ~irf_optimize;
+}
+
+int (get_optimize)(void) {
+ return get_opt_optimize();
+}
+
+void set_opt_control_flow(int value)
{
- return opt_cse;
+ set_opt_control_flow_straightening(value);
+ set_opt_control_flow_weak_simplification(value);
+ set_opt_control_flow_strong_simplification(value);
+}
+
+void set_firm_verbosity (int value) {
+ firm_verbosity_level = value;
+}
+
+int (get_firm_verbosity) (void) {
+ return _get_firm_verbosity();
}
-void
-set_opt_constant_folding (int value)
+/* Save the current optimization state. */
+void save_optimization_state(optimization_state_t *state)
{
- opt_constant_folding=value;
+ *state = libFIRM_opt;
}
-int
-get_opt_constant_folding (void)
+/* Restore the current optimization state. */
+void restore_optimization_state(const optimization_state_t *state)
{
- return opt_constant_folding;
+ libFIRM_opt = *state;
}
-void
-set_optimize (int value)
+/* Switches ALL optimizations off */
+void all_optimizations_off(void)
{
- optimized = value;
+ libFIRM_opt = 0;
}
-int
-get_optimize (void)
+#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");
+#include "irflag_t.def"
+#undef I_FLAG
+#undef E_FLAG
+ printf("\n");
+}
+#endif
+
+#ifdef WITH_LIBCORE
+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)),
+#include "irflag_t.def"
+#undef I_FLAG
+#undef E_FLAG
+ { NULL }
+};
+#endif
+
+void firm_init_flags(void)
{
- return optimized;
+#ifdef WITH_LIBCORE
+ lc_opt_entry_t *grp = lc_opt_get_grp(firm_opt_get_root(), "opt");
+ lc_opt_add_table(grp, firm_flags);
+#endif
+}
+
+firm_verification_t opt_do_node_verification = FIRM_VERIFICATION_ON;
+
+void do_node_verification(firm_verification_t mode) {
+ opt_do_node_verification = mode;
}