/*
- * 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.
+ * 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.
*/
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+/**
+ * @file
+ * @brief Flags to control optimizations.
+ * @author Michael Beck, Sebastian Hack
+ */
+#include "config.h"
+
+#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 ENABLE(a) a
-#define DISABLE(a) 0
+#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 =
- ENABLE(OPT_OPTIMIZED) |
- ENABLE(OPT_CSE) |
- DISABLE(OPT_GLOBAL_CSE) |
- ENABLE(OPT_CONSTANT_FOLDING) |
- ENABLE(OPT_UNREACHABLE_CODE) |
- ENABLE(OPT_CONTROL_FLOW_STRAIGHTENING) |
- ENABLE(OPT_CONTROL_FLOW_WEAK_SIMPLIFICATION) |
- ENABLE(OPT_CONTROL_FLOW_STRONG_SIMPLIFICATION) |
- ENABLE(OPT_CRITICAL_EDGES) |
- ENABLE(OPT_DEAD_NODE_ELIMINATION) |
- ENABLE(OPT_REASSOCIATION) |
- ENABLE(OPT_INLINE) |
- ENABLE(OPT_DYN_METH_DISPATCH) |
- ENABLE(OPT_NORMALIZE);
-
-/* set the flags with set_flagname, get the flag with get_flagname */
-void set_opt_cse (int value)
-{
- if (value)
- libFIRM_opt |= OPT_CSE;
- else
- libFIRM_opt &= ~OPT_CSE;
-}
+#include "irflag_t.def"
+ 0;
-void set_opt_global_cse(int value)
-{
- if (value)
- libFIRM_opt |= OPT_GLOBAL_CSE;
- else
- libFIRM_opt &= ~OPT_GLOBAL_CSE;
-}
+#undef FLAG
+#undef E_FLAG
+#undef I_FLAG
+#undef R_FLAG
-void
-set_opt_constant_folding(int value)
-{
- if (value)
- libFIRM_opt |= OPT_CONSTANT_FOLDING;
- else
- libFIRM_opt &= ~OPT_CONSTANT_FOLDING;
-}
+optimization_state_t libFIRM_running = 0;
-void
-set_opt_unreachable_code(int value)
-{
- if (value)
- libFIRM_opt |= OPT_UNREACHABLE_CODE;
- else
- libFIRM_opt &= ~OPT_UNREACHABLE_CODE;
-}
+optimization_state_t libFIRM_verb = 0;
-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);
- set_opt_critical_edges(value);
-}
+void set_opt_optimize(int value);
-/* Performs Straightening */
-void set_opt_control_flow_straightening(int value)
-{
- if (value)
- libFIRM_opt |= OPT_CONTROL_FLOW_STRAIGHTENING;
- else
- libFIRM_opt &= ~OPT_CONTROL_FLOW_STRAIGHTENING;
+/* 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; \
+} \
+int (get_opt_##name)(void) { \
+ return get_opt_##name##_(); \
}
-/* Performs if simplifications in local optimizations. */
-void set_opt_control_flow_weak_simplification(int value)
-{
- if (value)
- libFIRM_opt |= OPT_CONTROL_FLOW_WEAK_SIMPLIFICATION;
- else
- libFIRM_opt &= ~OPT_CONTROL_FLOW_WEAK_SIMPLIFICATION;
-}
+/* 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; \
+} \
-/* Performs strong if and loop simplification (in optimize_cf). */
-void set_opt_control_flow_strong_simplification(int value)
-{
- if (value)
- libFIRM_opt |= OPT_CONTROL_FLOW_STRONG_SIMPLIFICATION;
- else
- libFIRM_opt &= ~OPT_CONTROL_FLOW_STRONG_SIMPLIFICATION;
-}
+#define R_FLAG(name, value)
-void set_opt_critical_edges(int value)
-{
- if (value)
- libFIRM_opt |= OPT_CRITICAL_EDGES;
- else
- libFIRM_opt &= ~OPT_CRITICAL_EDGES;
-}
+/* generate them */
+#include "irflag_t.def"
-void set_opt_reassociation(int value)
-{
- if (value)
- libFIRM_opt |= OPT_REASSOCIATION;
- else
- libFIRM_opt &= ~OPT_REASSOCIATION;
-}
+#undef I_FLAG
+#undef E_FLAG
+#undef R_FLAG
-void set_opt_dead_node_elimination(int value)
+void set_optimize(int value)
{
- if (value)
- libFIRM_opt |= OPT_DEAD_NODE_ELIMINATION;
- else
- libFIRM_opt &= ~OPT_DEAD_NODE_ELIMINATION;
+ set_opt_optimize(value);
}
-void set_optimize(int value)
+int (get_optimize)(void)
{
- if (value)
- libFIRM_opt |= OPT_OPTIMIZED;
- else
- libFIRM_opt &= ~OPT_OPTIMIZED;
+ return get_opt_optimize();
}
-int get_optimize(void)
+void save_optimization_state(optimization_state_t *state)
{
- return get_opt_optimize();
+ *state = libFIRM_opt;
}
-void set_opt_inline(int value)
+void restore_optimization_state(const optimization_state_t *state)
{
- if (value)
- libFIRM_opt |= OPT_INLINE;
- else
- libFIRM_opt &= ~OPT_INLINE;
+ libFIRM_opt = *state;
}
-/** Enable/Disable optimization of dynamic method dispatch
- *
- * This flag enables/disables the optimization of dynamic method dispatch.
- * If the flag is turned on Sel nodes can be replaced by Const nodes representing
- * the address of a function.
- */
-void set_opt_dyn_meth_dispatch (int value)
+void all_optimizations_off(void)
{
- if (value)
- libFIRM_opt |= OPT_DYN_METH_DISPATCH;
- else
- libFIRM_opt &= ~OPT_DYN_METH_DISPATCH;
+ libFIRM_opt = 0;
}
-void set_opt_normalize(int value)
+#ifdef _DEBUG
+void firm_show_flags(FILE *f)
{
- if (value)
- libFIRM_opt |= OPT_NORMALIZE;
- else
- libFIRM_opt &= ~OPT_NORMALIZE;
+ 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
-/* Save the current optimization state. */
-void save_optimization_state(optimization_state_t *state)
+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)
{
- *state = libFIRM_opt;
+ lc_opt_entry_t *grp = lc_opt_get_grp(firm_opt_get_root(), "opt");
+ lc_opt_add_table(grp, firm_flags);
}
-/* Restore the current optimization state. */
-void restore_optimization_state(const optimization_state_t *state)
+firm_verification_t opt_do_node_verification = FIRM_VERIFICATION_ON;
+
+void do_node_verification(firm_verification_t mode)
{
- libFIRM_opt = *state;
+ opt_do_node_verification = mode;
}
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