From: whitequark <cz@m-labs.hk>
Date: Thu, 13 Dec 2018 11:30:16 +0000 (+0000)
Subject: back.rtlil: never give subfragment cells names starting with $.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2a3ff4247c42e249de7b6dec8a4fb5c319f3d9ce;p=nmigen.git

back.rtlil: never give subfragment cells names starting with $.
---

diff --git a/nmigen/back/rtlil.py b/nmigen/back/rtlil.py
index 93e2d40..311a053 100644
--- a/nmigen/back/rtlil.py
+++ b/nmigen/back/rtlil.py
@@ -397,7 +397,7 @@ class _ValueTransformer(xfrm.ValueTransformer):
 
 
 def convert_fragment(builder, fragment, name, top):
-    with builder.module(name, attrs={"top": 1} if top else {}) as module:
+    with builder.module(name or "anonymous", attrs={"top": 1} if top else {}) as module:
         xformer = _ValueTransformer(module)
 
         # Register all signals driven in the current fragment. This must be done first, as it