diff options
Diffstat (limited to 'backends/aiger/xaiger.cc')
| -rw-r--r-- | backends/aiger/xaiger.cc | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc index 7ed8ff1cf..65ccc748f 100644 --- a/backends/aiger/xaiger.cc +++ b/backends/aiger/xaiger.cc @@ -156,7 +156,7 @@ struct XAigerWriter // promote keep wires for (auto wire : module->wires()) - if (wire->get_bool_attribute(ID::keep) || wire->get_bool_attribute(ID::abc9_keep)) + if (wire->get_bool_attribute(ID::keep)) sigmap.add(wire); for (auto wire : module->wires()) { @@ -177,11 +177,10 @@ struct XAigerWriter undriven_bits.insert(bit); unused_bits.insert(bit); - bool keep = wire->get_bool_attribute(ID::abc9_keep); - if (wire->port_input || keep) + if (wire->port_input) input_bits.insert(bit); - keep = keep || wire->get_bool_attribute(ID::keep); + bool keep = wire->get_bool_attribute(ID::keep); if (wire->port_output || keep) { if (bit != wirebit) alias_map[wirebit] = bit; @@ -433,7 +432,7 @@ struct XAigerWriter if (bit == State::Sx) continue; if (aig_map.count(bit)) - log_error("Visited AIG node more than once; this could be a combinatorial loop that has not been broken - see Yosys bug 2530\n"); + log_error("Visited AIG node more than once; this could be a combinatorial loop that has not been broken\n"); aig_map[bit] = 2*aig_m; } |