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-rw-r--r--passes/hierarchy/uniquify.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/passes/hierarchy/uniquify.cc b/passes/hierarchy/uniquify.cc
index c88ecd82..e6154e94 100644
--- a/passes/hierarchy/uniquify.cc
+++ b/passes/hierarchy/uniquify.cc
@@ -87,6 +87,8 @@ struct UniquifyPass : public Pass {
smod->name = newname;
cell->type = newname;
smod->set_bool_attribute("\\unique");
+ if (smod->attributes.count("\\hdlname") == 0)
+ smod->attributes["\\hdlname"] = string(log_id(tmod->name));
design->add(smod);
did_something = true;