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Recognise built-in types (e.g. $_DFF_*)

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This commit is contained in:
Eddie Hung 2019-08-30 20:15:09 -07:00
parent f33abd4eab
commit e9bb252e77
1 changed files with 3 additions and 3 deletions
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6
backends/aiger/xaiger.cc
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@ -263,12 +263,12 @@ struct XAigerWriter
} }
} }
else { else {
bool cell_known = inst_module; bool cell_known = inst_module || cell->known();
for (const auto &c : cell->connections()) { for (const auto &c : cell->connections()) {
if (c.second.is_fully_const()) continue; if (c.second.is_fully_const()) continue;
auto port_wire = inst_module ? inst_module->wire(c.first) : nullptr; auto port_wire = inst_module ? inst_module->wire(c.first) : nullptr;
auto is_input = !cell_known || port_wire->port_input; auto is_input = (port_wire && port_wire->port_input) || !cell_known || cell->input(c.first);
auto is_output = !cell_known || port_wire->port_output; auto is_output = (port_wire && port_wire->port_output) || !cell_known || cell->output(c.first);
if (!is_input && !is_output) if (!is_input && !is_output)
log_error("Connection '%s' on cell '%s' (type '%s') not recognised!\n", log_id(c.first), log_id(cell), log_id(cell->type)); log_error("Connection '%s' on cell '%s' (type '%s') not recognised!\n", log_id(c.first), log_id(cell), log_id(cell->type));