/**
* @file irflag.h
*
- * Flags to customize the behaviour of libfirm.
+ * Flags to customize the behavior of libfirm.
*
* @author Christian Schaefer
*
* 3. Verbosity flags.
* a) Flags to steer the level of the information.
* b) Flags to steer in which phase information should be dumped.
- *
+ * 4. Verification flag
+ * This one controls the behavior of node and type verifications
*/
-
#ifndef _IRFLAG_H_
#define _IRFLAG_H_
+#include "firm_types.h"
+
/**
* A container type to load/restore all optimizations
*/
*/
void set_opt_constant_folding (int value);
+/** Enables/Disables loop unrolling.
+ *
+ * If opt_loop_unrolling == 1 perform loop_unrolling.
+ * See loop_unrolling.h.
+ *
+ * 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)
*/
-void set_opt_redundant_LoadStore(int value);
+void set_opt_redundant_loadstore(int value);
/** Enables/Disables constant subexpression elimination.
*
*/
void set_opt_cse (int value);
+/** Returns constant folding optimization setting. */
+int get_opt_cse(void);
+
/** Enables/Disables global constant subexpression elimination.
*
* If opt_global_cse == 1 and opt_cse == 1 perform intra procedure
*/
void set_opt_inline (int value);
-/** Enable/Disable optimization of dynamic method dispatch
+/** 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);
+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);
+
+/** Restricts the behavior of cast optimization.
+ *
+ * If set, downcast are not optimized if they might be
+ * 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.
*
* 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);
+/** Enable/Disable floating of fragile ops.
+ *
+ * This flags enables/disables the floating of fragile operations.
+ * If this flag is on, fragile operations which are known to NOT raise
+ * 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 if conversion.
+ *
+ * If conversion tries to turn Conds into Mux nodes to eliminate
+ * control flow.
+ */
+void set_opt_if_conversion(int value);
+
+/**
+ * Enable/Disable real function call optimization.
+ *
+ * Real function call optimization detects "real functions" and
+ * allows the floating of Call nodes.
+ */
+void set_opt_real_function_call(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);
/** Enable/Disable normalizations of the firm representation.
*
*/
void restore_optimization_state(const optimization_state_t *state);
-#endif
+/**
+ * Switches ALL optimizations off.
+ */
+void all_optimizations_off(void);
+
+/**
+ * Possible verification modes.
+ */
+typedef enum _firm_verification_t {
+ FIRM_VERIFICATION_OFF = 0, /**< do not verify nodes at all */
+ FIRM_VERIFICATION_ON = 1, /**< do node verification and assert on error in debug version */
+ FIRM_VERIFICATION_REPORT = 2, /**< do node verification, but report to stderr only */
+ FIRM_VERIFICATION_ERROR_ONLY = 3 /**< do node verification, but NEVER do assert nor report */
+} firm_verification_t;
+
+/** Select verification of nodes.
+ *
+ * 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);
+
+#endif /* _IRFLAG_H_ */