diff options
| -rw-r--r-- | passes/techmap/flatten.cc | 7 | ||||
| -rw-r--r-- | passes/techmap/techmap.cc | 8 | ||||
| -rw-r--r-- | tests/techmap/bug2183.ys | 11 |
3 files changed, 17 insertions, 9 deletions
diff --git a/passes/techmap/flatten.cc b/passes/techmap/flatten.cc index b5f55cffa..08978f446 100644 --- a/passes/techmap/flatten.cc +++ b/passes/techmap/flatten.cc @@ -152,15 +152,14 @@ struct FlattenWorker // Attach port connections of the flattened cell - SigMap tpl_sigmap(tpl); pool<SigBit> tpl_driven; for (auto tpl_cell : tpl->cells()) for (auto &tpl_conn : tpl_cell->connections()) if (tpl_cell->output(tpl_conn.first)) - for (auto bit : tpl_sigmap(tpl_conn.second)) + for (auto bit : tpl_conn.second) tpl_driven.insert(bit); for (auto &tpl_conn : tpl->connections()) - for (auto bit : tpl_sigmap(tpl_conn.first)) + for (auto bit : tpl_conn.first) tpl_driven.insert(bit); SigMap sigmap(module); @@ -190,7 +189,7 @@ struct FlattenWorker } else { SigSpec sig_tpl = tpl_wire, sig_mod = port_it.second; for (int i = 0; i < GetSize(sig_tpl) && i < GetSize(sig_mod); i++) { - if (tpl_driven.count(tpl_sigmap(sig_tpl[i]))) { + if (tpl_driven.count(sig_tpl[i])) { new_conn.first.append(sig_mod[i]); new_conn.second.append(sig_tpl[i]); } else { diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc index 5cd35929e..d43737c8d 100644 --- a/passes/techmap/techmap.cc +++ b/passes/techmap/techmap.cc @@ -233,16 +233,14 @@ struct TechmapWorker } } - SigMap tpl_sigmap(tpl); pool<SigBit> tpl_written_bits; - for (auto tpl_cell : tpl->cells()) for (auto &conn : tpl_cell->connections()) if (tpl_cell->output(conn.first)) - for (auto bit : tpl_sigmap(conn.second)) + for (auto bit : conn.second) tpl_written_bits.insert(bit); for (auto &conn : tpl->connections()) - for (auto bit : tpl_sigmap(conn.first)) + for (auto bit : conn.first) tpl_written_bits.insert(bit); SigMap port_signal_map; @@ -280,7 +278,7 @@ struct TechmapWorker SigSpec sig_tpl = w, sig_tpl_pf = w, sig_mod = it.second; apply_prefix(cell->name, sig_tpl_pf, module); for (int i = 0; i < GetSize(sig_tpl) && i < GetSize(sig_mod); i++) { - if (tpl_written_bits.count(tpl_sigmap(sig_tpl[i]))) { + if (tpl_written_bits.count(sig_tpl[i])) { c.first.append(sig_mod[i]); c.second.append(sig_tpl_pf[i]); } else { diff --git a/tests/techmap/bug2183.ys b/tests/techmap/bug2183.ys new file mode 100644 index 000000000..8dd09458e --- /dev/null +++ b/tests/techmap/bug2183.ys @@ -0,0 +1,11 @@ +read_verilog <<EOT +module foo(inout a, b); + assign a = b; +endmodule +module bar(output c); + foo f(c, 1'b0); +endmodule +EOT + +hierarchy -auto-top +flatten |