-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Christian Schaefer
-**
-** irflag --- optimization flags
-*/
-
-/* $Id$ */
+/*
+ * 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.
+ */
#ifdef HAVE_CONFIG_H
-# include <config.h>
+# include "config.h"
#endif
+#include "firm_common.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
+
+optimization_state_t libFIRM_opt =
+ ENABLE(OPT_OPTIMIZED) |
+ ENABLE(OPT_CSE) |
+ DISABLE(OPT_GLOBAL_CSE) |
+ ENABLE(OPT_LOOP_UNROLLING) |
+ ENABLE(OPT_STRENGTH_RED) |
+ ENABLE(OPT_CONSTANT_FOLDING) |
+ ENABLE(OPT_REDUNDANT_LOADSTORE) |
+ 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_DEAD_METHOD_ELIMINATION) |
+ ENABLE(OPT_REASSOCIATION) |
+ ENABLE(OPT_INLINE) |
+ ENABLE(OPT_DYN_METH_DISPATCH) |
+ ENABLE(OPT_CLASS_CASTS) |
+ DISABLE(OPT_SUPPRESS_DOWNCAST_OPT) |
+ ENABLE(OPT_NORMALIZE) |
+ ENABLE(OPT_TAIL_RECURSION) |
+ ENABLE(OPT_PRECISE_EXC_CONTEXT) |
+ DISABLE(OPT_FRAGILE_OPS) |
+ ENABLE(OPT_IF_CONVERSION) |
+ ENABLE(OPT_REAL_FUNC_CALL) |
+ DISABLE(OPT_REMOVE_CONFIRM) |
+ 0;
-/* 0 - don't do this optimization
- 1 - lets see, if there is a better graph */
-int opt_cse = 1; /* Hash the nodes */
-int opt_constant_folding = 1; /* Evaluate operations */
-int opt_unreachable_code = 1; /* Bad node propagation */
-int opt_dead_node_elimination = 1; /* Reclaim memory */
-int optimized = 1;
-int opt_inline = 1;
+optimization_state_t libFIRM_verb =
+ DISABLE(OPT_OPTIMIZED) |
+ DISABLE(OPT_CSE) |
+ DISABLE(OPT_GLOBAL_CSE) |
+ DISABLE(OPT_LOOP_UNROLLING) |
+ DISABLE(OPT_STRENGTH_RED) |
+ DISABLE(OPT_CONSTANT_FOLDING) |
+ DISABLE(OPT_REDUNDANT_LOADSTORE) |
+ DISABLE(OPT_UNREACHABLE_CODE) |
+ DISABLE(OPT_CONTROL_FLOW_STRAIGHTENING) |
+ DISABLE(OPT_CONTROL_FLOW_WEAK_SIMPLIFICATION) |
+ DISABLE(OPT_CONTROL_FLOW_STRONG_SIMPLIFICATION) |
+ DISABLE(OPT_CRITICAL_EDGES) |
+ DISABLE(OPT_DEAD_NODE_ELIMINATION) |
+ DISABLE(OPT_DEAD_METHOD_ELIMINATION) |
+ DISABLE(OPT_REASSOCIATION) |
+ DISABLE(OPT_INLINE) |
+ DISABLE(OPT_DYN_METH_DISPATCH) |
+ DISABLE(OPT_CLASS_CASTS) |
+ DISABLE(OPT_NORMALIZE) |
+ DISABLE(OPT_TAIL_RECURSION) |
+ DISABLE(OPT_PRECISE_EXC_CONTEXT) |
+ DISABLE(OPT_FRAGILE_OPS) |
+ DISABLE(OPT_IF_CONVERSION) |
+ DISABLE(OPT_REAL_FUNC_CALL) |
+ DISABLE(OPT_REMOVE_CONFIRM) |
+ 0;
+
+/** The Firm verbosity level */
+int firm_verbosity_level;
/* 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;
+}
+
+int (get_opt_cse)(void) {
+ return _get_opt_cse();
+}
+
+void set_opt_global_cse(int value)
+{
+ if (value)
+ libFIRM_opt |= OPT_GLOBAL_CSE;
+ else
+ libFIRM_opt &= ~OPT_GLOBAL_CSE;
+}
-inline void
-set_opt_cse (int value)
+void set_opt_loop_unrolling (int value)
{
- opt_cse = value;
+ if (value)
+ libFIRM_opt |= OPT_LOOP_UNROLLING;
+ else
+ libFIRM_opt &= ~OPT_LOOP_UNROLLING;
}
-inline int
-get_opt_cse (void)
+void set_opt_loop_unrolling_verbose (int value)
{
- return opt_cse;
+ if (value)
+ libFIRM_verb |= OPT_LOOP_UNROLLING;
+ else
+ libFIRM_verb &= ~OPT_LOOP_UNROLLING;
}
-inline void
-set_opt_constant_folding (int value)
+void set_opt_strength_red (int value)
{
- opt_constant_folding=value;
+ if (value)
+ libFIRM_opt |= OPT_STRENGTH_RED;
+ else
+ libFIRM_opt &= ~OPT_STRENGTH_RED;
}
-inline int
-get_opt_constant_folding (void)
+void set_opt_strength_red_verbose (int value)
{
- return opt_constant_folding;
+ if (value)
+ libFIRM_verb |= OPT_STRENGTH_RED;
+ else
+ libFIRM_verb &= ~OPT_STRENGTH_RED;
}
-inline void
+void
+set_opt_constant_folding(int value)
+{
+ if (value)
+ libFIRM_opt |= OPT_CONSTANT_FOLDING;
+ else
+ libFIRM_opt &= ~OPT_CONSTANT_FOLDING;
+}
+
+void
+set_opt_redundant_LoadStore(int value) {
+ if (value)
+ libFIRM_opt |= OPT_REDUNDANT_LOADSTORE;
+ else
+ libFIRM_opt &= ~OPT_REDUNDANT_LOADSTORE;
+}
+
+void
set_opt_unreachable_code(int value)
{
- opt_unreachable_code = value;
+ if (value)
+ libFIRM_opt |= OPT_UNREACHABLE_CODE;
+ else
+ libFIRM_opt &= ~OPT_UNREACHABLE_CODE;
+}
+
+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);
+}
+
+/* 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;
}
-inline int
-get_opt_unreachable_code(void)
+/* Performs if simplifications in local optimizations. */
+void set_opt_control_flow_weak_simplification(int value)
{
- return opt_unreachable_code;
+ if (value)
+ libFIRM_opt |= OPT_CONTROL_FLOW_WEAK_SIMPLIFICATION;
+ else
+ libFIRM_opt &= ~OPT_CONTROL_FLOW_WEAK_SIMPLIFICATION;
}
+/* 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;
+}
-inline void
-set_opt_dead_node_elimination (int value)
+void set_opt_critical_edges(int value)
{
- opt_dead_node_elimination = value;
+ if (value)
+ libFIRM_opt |= OPT_CRITICAL_EDGES;
+ else
+ libFIRM_opt &= ~OPT_CRITICAL_EDGES;
}
-inline int
-get_opt_dead_node_elimination (void)
+void set_opt_reassociation(int value)
{
- return opt_dead_node_elimination;
+ if (value)
+ libFIRM_opt |= OPT_REASSOCIATION;
+ else
+ libFIRM_opt &= ~OPT_REASSOCIATION;
}
-inline void
-set_optimize (int value)
+void set_opt_dead_node_elimination(int value)
{
- optimized = value;
+ if (value)
+ libFIRM_opt |= OPT_DEAD_NODE_ELIMINATION;
+ else
+ libFIRM_opt &= ~OPT_DEAD_NODE_ELIMINATION;
}
-inline int
-get_optimize (void)
+void set_opt_dead_method_elimination (int value) {
+ if (value)
+ libFIRM_opt |= OPT_DEAD_METHOD_ELIMINATION;
+ else
+ libFIRM_opt &= ~OPT_DEAD_METHOD_ELIMINATION;
+}
+
+void set_opt_dead_method_elimination_verbose (int value) {
+ if (value)
+ libFIRM_verb |= OPT_DEAD_METHOD_ELIMINATION;
+ else
+ libFIRM_verb &= ~OPT_DEAD_METHOD_ELIMINATION;
+}
+
+void set_optimize(int value)
{
- return optimized;
+ if (value)
+ libFIRM_opt |= OPT_OPTIMIZED;
+ else
+ libFIRM_opt &= ~OPT_OPTIMIZED;
}
+int get_optimize(void)
+{
+ return get_opt_optimize();
+}
-void set_opt_inline (int value) {
- opt_inline = value;
+
+void set_firm_verbosity (int value) {
+ firm_verbosity_level = value;
}
-int get_opt_inline (void) {
- return opt_inline;
+int (get_firm_verbosity) (void) {
+ return _get_firm_verbosity();
+}
+
+
+
+/* Enable/Disables inlining. */
+void set_opt_inline(int value)
+{
+ if (value)
+ libFIRM_opt |= OPT_INLINE;
+ else
+ libFIRM_opt &= ~OPT_INLINE;
+}
+
+/* Enable/Disable optimization of dynamic method dispatch */
+void set_opt_dyn_meth_dispatch (int value)
+{
+ if (value)
+ libFIRM_opt |= OPT_DYN_METH_DISPATCH;
+ else
+ libFIRM_opt &= ~OPT_DYN_METH_DISPATCH;
+}
+
+int (get_opt_dyn_meth_dispatch)(void) {
+ return _get_opt_dyn_meth_dispatch();
+}
+
+void set_opt_optimize_class_casts (int value)
+{
+ if (value)
+ libFIRM_opt |= OPT_CLASS_CASTS;
+ else
+ libFIRM_opt &= ~OPT_CLASS_CASTS;
+}
+int (get_opt_optimize_class_casts) (void) {
+ return _get_opt_optimize_class_casts();
+}
+void set_opt_optimize_class_casts_verbose (int value)
+{
+ if (value)
+ libFIRM_verb |= OPT_CLASS_CASTS;
+ else
+ libFIRM_verb &= ~OPT_CLASS_CASTS;
+}
+int (get_opt_optimize_class_casts_verbose) (void) {
+ return _get_opt_optimize_class_casts_verbose();
+}
+void set_opt_suppress_downcast_optimization(int value)
+{
+ if (value)
+ libFIRM_opt |= OPT_SUPPRESS_DOWNCAST_OPT;
+ else
+ libFIRM_opt &= ~OPT_SUPPRESS_DOWNCAST_OPT;
+}
+int (get_opt_suppress_downcast_optimization)(void) {
+ return _get_opt_suppress_downcast_optimization();
+}
+
+
+/* Enable/Disable normalizations of the firm representation. */
+void set_opt_normalize(int value)
+{
+ if (value)
+ libFIRM_opt |= OPT_NORMALIZE;
+ else
+ libFIRM_opt &= ~OPT_NORMALIZE;
+}
+
+/* Enable/Disable optimization of tail-recursion calls. */
+void set_opt_tail_recursion(int value)
+{
+ if (value)
+ libFIRM_opt |= OPT_TAIL_RECURSION;
+ else
+ libFIRM_opt &= ~OPT_TAIL_RECURSION;
+}
+
+/* Enable/Disable optimization of tail-recursion calls. */
+void set_opt_tail_recursion_verbose(int value)
+{
+ if (value)
+ libFIRM_verb |= OPT_TAIL_RECURSION;
+ else
+ libFIRM_verb &= ~OPT_TAIL_RECURSION;
+}
+
+/* Enable/Disable precise exception context. */
+void set_opt_precise_exc_context(int value)
+{
+#if PRECISE_EXC_CONTEXT
+ if (value)
+ libFIRM_opt |= OPT_PRECISE_EXC_CONTEXT;
+ else
+ libFIRM_opt &= ~OPT_PRECISE_EXC_CONTEXT;
+#endif
+}
+
+void set_opt_fragile_ops(int value)
+{
+ if (value)
+ libFIRM_opt |= OPT_FRAGILE_OPS;
+ else
+ libFIRM_opt &= ~OPT_FRAGILE_OPS;
+}
+
+/* Enable/Disable if conversion. */
+void set_opt_if_conversion(int value)
+{
+ if (value)
+ libFIRM_opt |= OPT_IF_CONVERSION;
+ else
+ libFIRM_opt &= ~OPT_IF_CONVERSION;
+}
+
+/* Enable/Disable real function call optimization. */
+void set_opt_real_function_call(int value)
+{
+ if (value)
+ libFIRM_opt |= OPT_REAL_FUNC_CALL;
+ else
+ libFIRM_opt &= ~OPT_REAL_FUNC_CALL;
+}
+
+/* Enable/Disable Confirm node removal. */
+void set_opt_remove_Confirm(int value)
+{
+ if (value)
+ libFIRM_opt |= OPT_REMOVE_CONFIRM;
+ else
+ libFIRM_opt &= ~OPT_REMOVE_CONFIRM;
+}
+
+/* Save the current optimization state. */
+void save_optimization_state(optimization_state_t *state)
+{
+ *state = libFIRM_opt;
+}
+
+/* Restore the current optimization state. */
+void restore_optimization_state(const optimization_state_t *state)
+{
+ libFIRM_opt = *state;
}
projects / libfirm / blobdiff