diff options
-rw-r--r-- | passes/techmap/abc9_ops.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/passes/techmap/abc9_ops.cc b/passes/techmap/abc9_ops.cc index d08c42e3b..52beae421 100644 --- a/passes/techmap/abc9_ops.cc +++ b/passes/techmap/abc9_ops.cc @@ -572,7 +572,10 @@ void prep_lut(RTLIL::Design *design, int maxlut) continue; log_assert(cell->getParam(ID(SRC_WIDTH)) == 1); log_assert(cell->getParam(ID(DST_WIDTH)) == 1); + SigBit s = cell->getPort(ID(SRC)); SigBit d = cell->getPort(ID(DST)); + log_assert(s.wire->port_input); + log_assert(d.wire->port_output); if (o == SigBit()) o = d; else |