X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbelistsched.c;h=c8cf497ac010473b2d263b744f51ea359f96e7ca;hb=d300330b1e6df8c8914b8fb70cf38ee1c8ca2634;hp=22553360fc5dc793a272507144d67157f120293d;hpb=1eea702a194424852ded345128fc21866e234a5c;p=libfirm

diff --git a/ir/be/belistsched.c b/ir/be/belistsched.c
index 22553360f..c8cf497ac 100644
--- a/ir/be/belistsched.c
+++ b/ir/be/belistsched.c
@@ -1,5 +1,5 @@
 /*
- * 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.
  *
@@ -61,8 +61,8 @@
 #include "bestat.h"
 #include "beirg_t.h"
 
-#include <libcore/lc_opts.h>
-#include <libcore/lc_opts_enum.h>
+#include "lc_opts.h"
+#include "lc_opts_enum.h"
 
 DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL);
 
@@ -452,14 +452,29 @@ static void list_sched_block(ir_node *block, void *env_ptr)
 
 	/* Then one can add all nodes are ready to the set. */
 	foreach_out_edge(block, edge) {
-		ir_node *irn = get_edge_src_irn(edge);
+		ir_node   *irn = get_edge_src_irn(edge);
+		ir_opcode code = get_irn_opcode(irn);
+		int users;
 
-		/* Skip the end node because of keepalive edges. */
-		if (get_irn_opcode(irn) == iro_End)
+		if (code == iro_End) {
+			/* Skip the end node because of keep-alive edges. */
 			continue;
+		} else if (code == iro_Block) {
+			/* A Block-Block edge. This should be the MacroBlock
+			 * edge, ignore it. */
+			assert(get_Block_MacroBlock(irn) == block && "Block-Block edge found");
+			continue;
+		}
 
-		if (get_irn_n_edges(irn) == 0)
+		users = get_irn_n_edges(irn);
+		if (users == 0)
 			continue;
+		else if (users == 1) { /* ignore nodes that are only hold by the anchor */
+			const ir_edge_t *edge = get_irn_out_edge_first_kind(irn, EDGE_KIND_NORMAL);
+			ir_node *user = get_edge_src_irn(edge);
+			if (is_Anchor(user))
+				continue;
+		}
 
 		if (is_Phi(irn)) {
 			/*
@@ -477,7 +492,7 @@ static void list_sched_block(ir_node *block, void *env_ptr)
 		}
 		else {
 			/* Other nodes must have all operands in other blocks to be made
-			* ready */
+			 * ready */
 			int ready = 1;
 
 			/* Check, if the operands of a node are not local to this block */