From: Andreas Zwinkau <zwinkau@kit.edu>
Date: Thu, 21 Apr 2011 12:24:18 +0000 (+0200)
Subject: Fix opt/jumpthreading4.c
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=2dcaef3632eb1e6f1e8e98ebf2419832ec72a338;p=libfirm

Fix opt/jumpthreading4.c
---

diff --git a/ir/opt/jumpthreading.c b/ir/opt/jumpthreading.c
index 6b293ff2a..fb0d5c1cd 100644
--- a/ir/opt/jumpthreading.c
+++ b/ir/opt/jumpthreading.c
@@ -739,6 +739,10 @@ void opt_jumpthreading(ir_graph* irg)
 
 	remove_critical_cf_edges(irg);
 
+	/* ugly: jump threading might get confused by garbage nodes
+	 * of mode_X in copy_and_fix_node(), so remove all garbage edges. */
+	edges_deactivate(irg);
+
 	edges_assure(irg);
 	ir_reserve_resources(irg, IR_RESOURCE_IRN_LINK | IR_RESOURCE_IRN_VISITED);