update copyright message

[libfirm] / ir / ir / irflag.c

diff --git a/ir/ir/irflag.c b/ir/ir/irflag.c
index beb1638..745ae0d 100644 (file)
--- a/ir/ir/irflag.c
+++ b/ir/ir/irflag.c
@@ -1,20 +1,40 @@
 /*
- * 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.
  */
 
+/**
+ * @file
+ * @brief   Flags to control optimizations.
+ * @author  Christian Schaefer, Goetz Lindenmaier
+ * @version $Id$
+ */
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
 
+#include <stdio.h>
+
+#ifdef WITH_LIBCORE
+#include <libcore/lc_opts.h>
+#endif
+
 #include "firm_common.h"
+#include "irtools.h"
 #include "irflag_t.h"
 
 /* DISABLE - don't do this optimization
@@ -22,9 +42,10 @@
 #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 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"
@@ -33,7 +54,10 @@ optimization_state_t libFIRM_opt =
 #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;
@@ -42,14 +66,14 @@ optimization_state_t libFIRM_verb = 0;
 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 (value) libFIRM_opt |= irf_##name;   \
-  else       libFIRM_opt &= ~irf_##name;  \
-}                                         \
+#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 (value) libFIRM_verb |= irf_##name;   \
-  else       libFIRM_verb &= ~irf_##name;  \
+  if (flag) libFIRM_verb |= irf_##name;    \
+  else      libFIRM_verb &= ~irf_##name;   \
 }                                          \
 int (get_opt_##name)(void) {               \
   return _get_opt_##name();                \
@@ -58,19 +82,22 @@ int (get_opt_##name)(void) {               \
 /* an internal flag can only be set from outside */
 #define I_FLAG(name, value, def)          \
 void set_opt_##name(int flag) {           \
-  if (value) libFIRM_opt |= irf_##name;   \
-  else       libFIRM_opt &= ~irf_##name;  \
+  if (flag) libFIRM_opt |= irf_##name;    \
+  else      libFIRM_opt &= ~irf_##name;   \
 }                                         \
-void set_opt_##name##_verbose(int flag) {  \
-  if (value) libFIRM_verb |= irf_##name;   \
-  else       libFIRM_verb &= ~irf_##name;  \
+void set_opt_##name##_verbose(int flag) { \
+  if (flag) libFIRM_verb |= irf_##name;   \
+  else      libFIRM_verb &= ~irf_##name;  \
 }
 
+#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) {
@@ -87,7 +114,6 @@ 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_firm_verbosity (int value) {
@@ -109,3 +135,52 @@ void restore_optimization_state(const optimization_state_t *state)
 {
   libFIRM_opt = *state;
 }
+
+/* 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
+
+#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)),
+#define R_FLAG(name, val)
+#include "irflag_t.def"
+#undef I_FLAG
+#undef E_FLAG
+#undef R_FLAG
+       LC_OPT_LAST
+};
+#endif
+
+void firm_init_flags(void) {
+#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;
+}