-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Christian Schaefer
-**
-** irflag --- optimization flags
-*/
-
-/* $Id$ */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+/*
+ * This file is part of libFirm.
+ * Copyright (C) 2012 University of Karlsruhe.
+ */
+
+/**
+ * @file
+ * @brief Flags to control optimizations.
+ * @author Michael Beck, Sebastian Hack
+ */
+#include "config.h"
+
+#include <stdio.h>
+
+#include "lc_opts.h"
-#include "irflag.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
-/* 0 - don't do this optimization
- 1 - lets see, if there is a better graph */
-int optimized = 1; /* Turn off all optimizations */
+#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)
-int opt_cse = 1; /* Hash the nodes */
-int opt_global_cse = 0; /* Don't use block predecessor for comparison */
-/* @@@ 0 solage code placement fehlt */
-int opt_constant_folding = 1; /* Evaluate operations */
-int opt_unreachable_code = 1; /* Bad node propagation */
-int opt_control_flow = 1; /* control flow optimizations. */
-int opt_dead_node_elimination = 1; /* Reclaim memory */
-int opt_reassociation = 1; /* Reassociate nodes */
-int opt_inline = 1; /* Do inlining transformation */
+optimization_state_t libFIRM_opt =
+#include "irflag_t.def"
+ 0;
-/* set the flags with set_flagname, get the flag with get_flagname */
-INLINE void
-set_opt_cse (int value)
-{
- opt_cse = value;
-}
+#undef FLAG
+#undef E_FLAG
+#undef I_FLAG
+#undef R_FLAG
-INLINE int
-get_opt_cse (void)
-{
- return opt_cse;
-}
+optimization_state_t libFIRM_running = 0;
-void set_opt_global_cse (int value)
-{
- opt_global_cse = value;
-}
+optimization_state_t libFIRM_verb = 0;
-int get_opt_global_cse (void)
-{
- return opt_global_cse;
-}
+void set_opt_optimize(int value);
-INLINE void
-set_opt_constant_folding (int value)
-{
- opt_constant_folding=value;
+/* 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##_(); \
}
-INLINE int
-get_opt_constant_folding (void)
-{
- return opt_constant_folding;
-}
+/* 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; \
+} \
-INLINE void
-set_opt_unreachable_code(int value)
-{
- opt_unreachable_code = value;
-}
+#define R_FLAG(name, value)
-INLINE int
-get_opt_unreachable_code(void)
-{
- return opt_unreachable_code;
-}
+/* generate them */
+#include "irflag_t.def"
-INLINE void set_opt_control_flow(int value) {
- opt_control_flow = value;
-}
+#undef I_FLAG
+#undef E_FLAG
+#undef R_FLAG
-INLINE int get_opt_control_flow(void) {
- return opt_control_flow;
+void set_optimize(int value)
+{
+ set_opt_optimize(value);
}
-INLINE void
-set_opt_reassociation(int value)
+int (get_optimize)(void)
{
- opt_reassociation = value;
+ return get_opt_optimize();
}
-INLINE int
-get_opt_reassociation(void)
+void save_optimization_state(optimization_state_t *state)
{
- return opt_reassociation;
+ *state = libFIRM_opt;
}
-INLINE void
-set_opt_dead_node_elimination (int value)
+void restore_optimization_state(const optimization_state_t *state)
{
- opt_dead_node_elimination = value;
+ libFIRM_opt = *state;
}
-INLINE int
-get_opt_dead_node_elimination (void)
+void all_optimizations_off(void)
{
- return opt_dead_node_elimination;
+ libFIRM_opt = 0;
}
-INLINE void
-set_optimize (int value)
+#ifdef _DEBUG
+void firm_show_flags(FILE *f)
{
- optimized = value;
+ 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
-INLINE int
-get_optimize (void)
+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)
{
- return optimized;
+ 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;
-INLINE void set_opt_inline (int value) {
- opt_inline = value;
-}
-
-INLINE int get_opt_inline (void) {
- return opt_inline;
+void do_node_verification(firm_verification_t mode)
+{
+ opt_do_node_verification = mode;
}
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