From 90c17aad56b0bf4b3ace5dea8c2d8555b52d4bfb Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Sat, 6 Aug 2016 13:24:59 +0200
Subject: [PATCH] preserve wire attributes in iopadmap

---
 passes/techmap/iopadmap.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/passes/techmap/iopadmap.cc b/passes/techmap/iopadmap.cc
index 4acbf7c0d..15ad51c87 100644
--- a/passes/techmap/iopadmap.cc
+++ b/passes/techmap/iopadmap.cc
@@ -312,7 +312,7 @@ struct IopadmapPass : public Pass {
 				if (!portname2.empty()) {
 					new_wire = module->addWire(NEW_ID, wire);
 					module->swap_names(new_wire, wire);
-					wire->attributes.clear();
+					new_wire->attributes.swap(wire->attributes);
 				}
 
 				if (flag_bits)
-- 
2.30.2