diff options
| -rw-r--r-- | passes/techmap/shregmap.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/passes/techmap/shregmap.cc b/passes/techmap/shregmap.cc index d95cadde5..3b3170e04 100644 --- a/passes/techmap/shregmap.cc +++ b/passes/techmap/shregmap.cc @@ -118,7 +118,7 @@ struct ShregmapTechXilinx7 : ShregmapTech auto it = sigbit_to_shiftx_offset.find(bit); if (it == sigbit_to_shiftx_offset.end()) return; - if (cell->type == "$shiftx" && port == "\\A") + if (cell && cell->type == "$shiftx" && port == "\\A") return; sigbit_to_shiftx_offset.erase(it); } @@ -228,8 +228,10 @@ struct ShregmapWorker for (auto wire : module->wires()) { if (wire->port_output || wire->get_bool_attribute("\\keep")) { - for (auto bit : sigmap(wire)) + for (auto bit : sigmap(wire)) { sigbit_with_non_chain_users.insert(bit); + if (opts.tech) opts.tech->non_chain_user(bit, nullptr, {}); + } } if (wire->attributes.count("\\init")) { |