/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* @brief Flags to control optimizations.
* @author Christian Schaefer, Goetz Lindenmaier, Michael Beck
* @version $Id$
- * @summary
+ * @brief
* Flags to customize the behavior of libfirm.
*
* There are the following groups of flags:
#define FIRM_IR_IRFLAG_H
#include "firm_types.h"
+#include "begin.h"
/**
* A container type to load/restore all optimizations
* If optimize == 0 no optimizations are performed at all.
* Default: optimize == 1.
*/
-void set_optimize (int value);
-int get_optimize(void);
-
-/** This function enables/disables output of information about phases and
- * controls the verbosity level.
- *
- * 0: no output at all.
- * 1: very short output
- * >>1: very verbose output.
- */
-void set_firm_verbosity (int value);
-int get_firm_verbosity (void);
+FIRM_API void set_optimize(int value);
+FIRM_API int get_optimize(void);
/** Enables/Disables constant folding optimization.
*
* If opt_constant_folding == 1 perform
- * - constant expression evaluation (2 + 5 ==> 7, 3 < 2 ==> false)
- * - algebraic simplification (a * 0 ==> 0, a or a ==> a)
- * - simplification of tests ( !(a < b) ==> (a >= b))
+ * constant expression evaluation (2 + 5 ==> 7, 3 < 2 ==> false)
* Default: opt_constant_folding == 1.
*/
-void set_opt_constant_folding (int value);
+FIRM_API void set_opt_constant_folding(int value);
-/** Enables/Disables loop unrolling.
- *
- * If opt_loop_unrolling == 1 perform loop_unrolling.
- * See loop_unrolling.h.
+/** Enables/Disables algebraic simplifications.
*
- * Default: opt_loop_unrolling = 1;
- */
-void set_opt_loop_unrolling (int value);
-
-/** Enables/Disables output of information about loop unrolling.
- */
-void set_opt_loop_unrolling_verbose (int value);
-
-/** Enables/Disables removal of redundant Loads and Stores.
- *
- * - Remove Store that overwrites a just stored value (WAW).
- * - Remove Store if it stores a value just loaded (WAR with the same value).
- * - Remove Load that loads a value just saved (RAW with the same value).
- * - remove Load that loads a value already loaded (RAR)
- * - replace Load of constant values with constants (RC)
+ * If opt_algebraic_simplification == 1 perform
+ * - algebraic simplification (a * 0 ==> 0, a or a ==> a)
+ * - simplification of tests ( !(a < b) ==> (a >= b))
+ * Default: opt_algebraic_simplification == 1.
*/
-void set_opt_redundant_loadstore(int value);
+FIRM_API void set_opt_algebraic_simplification(int value);
/** Enables/Disables common subexpression elimination.
*
* If opt_cse == 1 perform common subexpression elimination.
* Default: opt_cse == 1.
*/
-void set_opt_cse (int value);
+FIRM_API void set_opt_cse(int value);
/** Returns constant folding optimization setting. */
-int get_opt_cse(void);
+FIRM_API int get_opt_cse(void);
/** Enables/Disables global constant subexpression elimination.
*
* right after a call to local_optimize with global cse turned on.
* Default: opt_global_cse == 0.
*/
-void set_opt_global_cse (int value);
-
-/** Enables/Disables strength reduction.
- *
- * If opt_strength_red == 1 perform strength reduction.
- * See strenth_red.h.
- *
- * Default: opt_strength_red = 1;
- */
-void set_opt_strength_red (int value);
-
-/** Enables/Disables output of information about strength reduction.
- */
-void set_opt_strength_red_verbose (int value);
+FIRM_API void set_opt_global_cse(int value);
/** Enables/Disables unreachable code elimination.
*
* Phi and Tuple) with a Bad predecessor by the Bad node.
* Default: opt_unreachable_code == 1.
*/
-void set_opt_unreachable_code(int value);
+FIRM_API void set_opt_unreachable_code(int value);
/** Enables/Disables control flow optimizations.
*
* Sets all separate control flow flags (control_flow_straightening,
* weak_simplification, strong_simplification and critical_edges).
*/
-void set_opt_control_flow(int value);
+FIRM_API void set_opt_control_flow(int value);
/** Enables/Disables Straightening. */
-void set_opt_control_flow_straightening(int value);
+FIRM_API void set_opt_control_flow_straightening(int value);
/** Enables/Disables if simplifications in local optimizations. */
-void set_opt_control_flow_weak_simplification(int value);
+FIRM_API void set_opt_control_flow_weak_simplification(int value);
/** Enables/Disables strong if and loop simplification (in optimize_cf). */
-void set_opt_control_flow_strong_simplification(int value);
-
-/** Enables/Disables reassociation.
- *
- * If opt_reassociation == 1 reassociation is performed.
- * Default: opt_reassociation == 1.
- */
-void set_opt_reassociation(int value);
-
-/** Enables/Disables dead node elimination.
- *
- * If opt_dead_node_elimination == 1 deallocate all dead nodes
- * by copying the firm graph.
- * Default: opt_dead_node_elimination == 1. */
-void set_opt_dead_node_elimination (int value);
-
-/** Enables/Disables dead method elimination.
- *
- * If opt_dead_method_elimination == 1 methods never called are
- * removed.
- * Default: opt_dead_method_elimination == 1.
- */
-void set_opt_dead_method_elimination (int value);
-void set_opt_dead_method_elimination_verbose (int value);
-
-/** Enable/Disables method inlining.
- *
- * If opt_inline == 1 the inlining transformation is performed.
- */
-void set_opt_inline (int value);
+FIRM_API void set_opt_control_flow_strong_simplification(int value);
/** Enable/Disable 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);
-int get_opt_dyn_meth_dispatch (void);
+FIRM_API void set_opt_dyn_meth_dispatch(int value);
+FIRM_API int get_opt_dyn_meth_dispatch(void);
/** Enable/Disable type optimization of cast nodes.
*
* Controls the optimizations in tropt.h. Default: on.
*/
-void set_opt_optimize_class_casts (int value);
-void set_opt_optimize_class_casts_verbose (int value);
+FIRM_API void set_opt_optimize_class_casts(int value);
/** Restricts the behavior of cast optimization.
*
* illegal as in (Super)(Sub) (new Super()). Default:
* 0 == not suppressed.
*/
-void set_opt_suppress_downcast_optimization(int value);
-int get_opt_suppress_downcast_optimization(void);
-
-/** Enable/Disable optimization of tail-recursion calls.
- *
- * This flag enables/disables the optimization tail-recursion call.
- * If the flag is turned on tail-recursion calls are optimized into loops.
- */
-void set_opt_tail_recursion(int value);
-void set_opt_tail_recursion_verbose(int value);
+FIRM_API void set_opt_suppress_downcast_optimization(int value);
+FIRM_API int get_opt_suppress_downcast_optimization(void);
/** Enable/Disable floating of fragile ops.
*
* an exception can be place to other basic blocks.
* Otherwise they remain in the block they were created.
*/
-void set_opt_fragile_ops(int value);
-
-/**
- * Enable/Disable function call optimization.
- *
- * Function call optimization detects const and pure functions and
- * allows the CSE of Call nodes. A const function is one that
- * do only evaluate it's parameters and did not read or write memory
- * to compute its results. Pure functions are allowed to read global memory.
- */
-void set_opt_function_call(int value);
+FIRM_API void set_opt_fragile_ops(int value);
/**
* Enable/Disable Confirm node removal during local optimization.
*/
-void set_opt_remove_confirm(int value);
-
-/**
- * Enable/Disable scalar replacement optimization.
- */
-void set_opt_scalar_replacement(int value);
-void set_opt_scalar_replacement_verbose(int value);
+FIRM_API void set_opt_remove_confirm(int value);
/**
* Enable/Disable Null exception in Load and Store nodes only.
*
* This flag is enabled by default.
*/
-void set_opt_ldst_only_null_ptr_exceptions(int value);
+FIRM_API void set_opt_ldst_only_null_ptr_exceptions(int value);
/**
* Enable/Disable Selection based Null pointer check elimination.
* Enabling this flag is meaningless if ldst_non_null_exceptions is
* enabled.
*
- * This flags should be set for Java style languages.
+ * This flag should be set for Java style languages.
+ */
+FIRM_API void set_opt_sel_based_null_check_elim(int value);
+
+/**
+ * Enable/Disable Global Null Pointer Test Elimination.
+ *
+ * In languages where it is illegal to dereference NULL pointer, doing
+ * so makes the pointer "valid non-null", else the program will stop
+ * anyway by a fault.
+ *
+ * This flag should be set for C style languages.
*/
-void set_opt_sel_based_null_check_elim(int value);
+FIRM_API void set_opt_global_null_ptr_elimination(int value);
/**
* Enable/Disable Automatic construction of Sync nodes during
* If this flags is set, sequential non-volatile Loads are automatically
* rearranged so that they can be executed in parallel by creating Sync nodes.
*
- * This flags should be set for Java style languages.
+ * This flag should be set for Java style languages.
*/
-void set_opt_auto_create_sync(int value);
+FIRM_API void set_opt_auto_create_sync(int value);
/** Enable/Disable normalizations of the firm representation.
*
*
* @note ATTENTION: not all such transformations are guarded by a flag.
*/
-void set_opt_normalize (int value);
+FIRM_API void set_opt_normalize(int value);
+
+/**
+ * Enable/Disable ConvB() nodes with a "semantic behavior", i.e. a real
+ * operation that must be executed.
+ */
+FIRM_API void set_opt_allow_conv_b(int value);
/** Enable/Disable precise exception context.
*
* else it might see a == 2.
* Enable this for languages with strict exception order like Java.
*/
-void set_opt_precise_exc_context(int value);
+FIRM_API void set_opt_precise_exc_context(int value);
/** Enable/Disable Alias analysis.
*
* If enabled, memory disambiguation by alias analysis is used.
*/
-void set_opt_alias_analysis(int value);
+FIRM_API void set_opt_alias_analysis(int value);
/** Enable/Disable closed world assumption.
*
* external types or callers exist.
* This enables some powerful optimizations.
*/
-void set_opt_closed_world(int value);
+FIRM_API void set_opt_closed_world(int value);
/**
* Save the current optimization state.
*/
-void save_optimization_state(optimization_state_t *state);
+FIRM_API void save_optimization_state(optimization_state_t *state);
/**
* Restore the current optimization state.
*/
-void restore_optimization_state(const optimization_state_t *state);
+FIRM_API void restore_optimization_state(const optimization_state_t *state);
/**
* Switches ALL optimizations off.
*/
-void all_optimizations_off(void);
+FIRM_API void all_optimizations_off(void);
/**
* Possible verification modes.
* Per default the verification is in mode NODE_VERIFICATION_ASSERT.
* Turn the verification off during development to check partial implementations.
*/
-void do_node_verification(firm_verification_t mode);
+FIRM_API void do_node_verification(firm_verification_t mode);
+
+#include "end.h"
#endif