From: Matthias Braun <matze@braunis.de>
Date: Tue, 10 Jan 2012 12:32:37 +0000 (+0100)
Subject: sched: do not show first->block schedule edge
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=de9344436b5852388e5d3904890cd8a1d6bc66f0;p=libfirm

sched: do not show first->block schedule edge
---

diff --git a/ir/be/beinfo.c b/ir/be/beinfo.c
index 56f5964a6..95cceb419 100644
--- a/ir/be/beinfo.c
+++ b/ir/be/beinfo.c
@@ -155,7 +155,7 @@ static void sched_edge_hook(FILE *F, const ir_node *irn)
 	if (get_irn_irg(irn)->be_data == NULL)
 		return;
 
-	if (sched_is_scheduled(irn) && sched_has_prev(irn)) {
+	if (sched_is_scheduled(irn) && sched_has_prev(irn) && !is_Block(irn)) {
 		ir_node *prev = sched_prev(irn);
 		fprintf(F, "edge:{sourcename: ");
 		print_nodeid(F, irn);
diff --git a/ir/be/besched.h b/ir/be/besched.h
index 7c83f66db..bec0dc136 100644
--- a/ir/be/besched.h
+++ b/ir/be/besched.h
@@ -20,7 +20,6 @@
 /**
  * @file
  * @brief       data structures for scheduling nodes in basic blocks.
- *              (This file does not contain the scheduling algorithms)
  * @author      Sebastian Hack, Matthias Braun
  */
 #ifndef FIRM_BE_BESCHED_H
@@ -42,6 +41,8 @@ static sched_info_t *get_irn_sched_info(const ir_node *node)
 
 /**
  * Check, if the node is scheduled.
+ * Block nodes are reported as scheduled as they mark the begin and end
+ * of the scheduling list.
  * @param irn The node.
  * @return 1, if the node is scheduled, 0 if not.
  */