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-rw-r--r--passes/hierarchy/clkpart.cc6
1 files changed, 4 insertions, 2 deletions
diff --git a/passes/hierarchy/clkpart.cc b/passes/hierarchy/clkpart.cc
index a9ef2aa6c..7cd1f4b43 100644
--- a/passes/hierarchy/clkpart.cc
+++ b/passes/hierarchy/clkpart.cc
@@ -246,9 +246,11 @@ struct ClkPartPass : public Pass {
if (it.first == largest_domain)
continue;
+ auto clk = std::get<1>(it.first);
+ auto en = std::get<3>(it.first);
std::string submod = stringf("\\%s%s.%s%s",
- std::get<0>(it.first) ? "" : "!", log_signal(std::get<1>(it.first)),
- std::get<2>(it.first) ? "" : "!", log_signal(std::get<3>(it.first)));
+ std::get<0>(it.first) ? "" : "!", clk.empty() ? "" : log_signal(clk),
+ std::get<2>(it.first) ? "" : "!", en.empty() ? "" : log_signal(en));
for (auto c : it.second)
c->attributes[ID(submod)] = submod;
new_submods.push_back(stringf("%s_%s", mod->name.c_str(), submod.c_str()));