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-rw-r--r--passes/hierarchy/submod.cc10
1 files changed, 3 insertions, 7 deletions
diff --git a/passes/hierarchy/submod.cc b/passes/hierarchy/submod.cc
index cf27d2358..b21b0de01 100644
--- a/passes/hierarchy/submod.cc
+++ b/passes/hierarchy/submod.cc
@@ -34,7 +34,6 @@ struct SubmodWorker
RTLIL::Design *design;
RTLIL::Module *module;
SigMap sigmap;
- std::map<RTLIL::SigBit, RTLIL::SigBit> replace_const;
bool copy_mode;
bool hidden_mode;
@@ -231,7 +230,9 @@ struct SubmodWorker
if (new_wire->port_id > 0) {
// Prevents "ERROR: Mismatch in directionality ..." when flattening
if (new_wire->port_output)
- old_sig.replace(replace_const);
+ for (auto &b : old_sig)
+ if (!b.wire)
+ b = module->addWire(NEW_ID);
new_cell->setPort(new_wire->name, old_sig);
}
}
@@ -265,11 +266,6 @@ struct SubmodWorker
if (wire->port_output)
sigmap.add(wire);
}
- auto wire = module->addWire(NEW_ID);
- replace_const.emplace(State::S0, wire);
- replace_const.emplace(State::S1, wire);
- replace_const.emplace(State::Sx, wire);
- replace_const.emplace(State::Sz, wire);
if (opt_name.empty())
{