diff options
| -rw-r--r-- | passes/techmap/abc9.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 4a6ec3a47..658bb1225 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -787,6 +787,11 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri sink_cell->setParam("\\LUT", mask); } + // Since we have rewritten all sinks (which we know + // to be only LUTs) to be after the inverter, we can + // go ahead and clone the LUT with the expectation + // that the original driving LUT will become dangling + // and get cleaned away clone_lut: driver_mask = driver_lut->getParam("\\LUT"); for (auto &b : driver_mask.bits) { |