* @author Matthias Braun
* @version $Id$
*/
-
#ifndef BEPEEPHOLE_H
#define BEPEEPHOLE_H
#include "beirg.h"
-#include "bearch_t.h"
+#include "bearch.h"
extern ir_node ***register_values;
-static INLINE ir_node *be_peephole_get_value(unsigned regclass_idx,
+static inline ir_node *be_peephole_get_value(unsigned regclass_idx,
unsigned register_idx)
{
return register_values[regclass_idx][register_idx];
}
-static INLINE ir_node *be_peephole_get_reg_value(const arch_register_t *reg)
+static inline ir_node *be_peephole_get_reg_value(const arch_register_t *reg)
{
unsigned regclass_idx = arch_register_class_index(arch_register_get_class(reg));
unsigned register_idx = arch_register_get_index(reg);
typedef void (*peephole_opt_func) (ir_node *node);
/**
- * must be called from peephole optimisations before a node is exchanged,
- * so bepeephole can update it's internal state.
- */
-void be_peephole_before_exchange(const ir_node *old_node, ir_node *new_node);
+ * Notify the peephole phase about a newly added node, so it can update its
+ * internal state. This is not needed for the new node, when
+ * be_peephole_exchange() is used. */
+void be_peephole_new_node(ir_node *nw);
+
+/**
+ * When doing peephole optimisation use this function instead of plain
+ * exchange(), so it can update its internal state. */
+void be_peephole_exchange(ir_node *old, ir_node *nw);
/**
- * must be called from peephole optimisations after a node is exchanged,
- * so bepeephole can update it's internal state.
+ * Tries to optimize a beIncSp node with its previous IncSP node.
+ * Must be run from a be_peephole_opt() context.
+ *
+ * @param node a be_IncSP node
+ *
+ * @return the new IncSP node or node itself
*/
-void be_peephole_after_exchange(ir_node *new_node);
+ir_node *be_peephole_IncSP_IncSP(ir_node *node);
+
+bool be_has_only_one_user(ir_node *node);
/**
* Do peephole optimisations. It traverses the schedule of all blocks in
* backend specific optimisations should be performed based on the
* register-liveness information.
*/
-void be_peephole_opt(be_irg_t *birg);
+void be_peephole_opt(ir_graph *irg);
#endif