diff --git a/frontends/verific/verific.cc b/frontends/verific/verific.cc index 605dcdfb2..bc61c9c82 100644 --- a/frontends/verific/verific.cc +++ b/frontends/verific/verific.cc @@ -2011,6 +2011,28 @@ VerificClocking::VerificClocking(VerificImporter *importer, Net *net, bool sva_a Instance *inst = net->Driver(); + // Detect condition expression in sva_at_only mode + if (sva_at_only) + do { + Instance *inst_mux = net->Driver(); + if (inst_mux->Type() != PRIM_MUX) + break; + + bool pwr1 = inst_mux->GetInput1()->IsPwr(); + bool pwr2 = inst_mux->GetInput2()->IsPwr(); + + if (!pwr1 && !pwr2) + break; + + Net *sva_net = pwr1 ? inst_mux->GetInput2() : inst_mux->GetInput1(); + if (!verific_is_sva_net(importer, sva_net)) + break; + + inst = sva_net->Driver(); + cond_net = inst_mux->GetControl(); + cond_pol = pwr1; + } while (0); + if (inst != nullptr && inst->Type() == PRIM_SVA_AT) { net = inst->GetInput1();