/*
- * 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.
*
#define get_irn_sched_info(irn) ((sched_info_t *) get_or_set_irn_phase_info(skip_Proj_const(irn), PHASE_BE_SCHED))
#define get_sched_info_irn(irg, sched_info) get_idx_irn((irg), (sched_info)->idx)
+/**
+ * Returns non-zero if schedule information is available
+ * for a given graph.
+ * @param irg The graph.
+ */
+static INLINE int _have_sched_info(const ir_graph *irg)
+{
+ return get_irg_phase(irg, PHASE_BE_SCHED) != NULL;
+}
+
/**
* Check, if the node is scheduled.
* @param irn The node.
*/
static INLINE int _sched_is_scheduled(const ir_node *irn)
{
- return get_irn_sched_info(irn)->scheduled;
+ return get_irn_sched_info(irn)->scheduled;
}
/**
*/
ir_node *sched_skip(ir_node *from, int forward, sched_predicator_t *predicator, void *data);
+#define have_sched_info(irg) _have_sched_info(irg)
#define sched_get_time_step(irn) _sched_get_time_step(irn)
#define sched_has_next(irn) _sched_has_next(irn)
#define sched_has_prev(irn) _sched_has_prev(irn)