From b678b15c6d0d14580ca18e89f86926eabf8fead0 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Mon, 13 Jan 2020 23:33:37 -0800 Subject: [PATCH] abc9_ops: ignore inouts of all cell outputs for topo ordering --- passes/techmap/abc9_ops.cc | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/passes/techmap/abc9_ops.cc b/passes/techmap/abc9_ops.cc index 4da10d94b..d7ebfdf3f 100644 --- a/passes/techmap/abc9_ops.cc +++ b/passes/techmap/abc9_ops.cc @@ -488,7 +488,9 @@ void reintegrate(RTLIL::Module *module) RTLIL::SigBit a_bit = mapped_cell->getPort(ID::A); RTLIL::SigBit y_bit = mapped_cell->getPort(ID::Y); bit_users[a_bit].insert(mapped_cell->name); - bit_drivers[y_bit].insert(mapped_cell->name); + // Ignore inouts for topo ordering + if (y_bit.wire && !(y_bit.wire->port_input && y_bit.wire->port_output)) + bit_drivers[y_bit].insert(mapped_cell->name); if (!a_bit.wire) { mapped_cell->setPort(ID::Y, module->addWire(NEW_ID)); @@ -598,7 +600,9 @@ void reintegrate(RTLIL::Module *module) for (const auto &i : inputs) bit_users[i].insert(mapped_cell->name); for (const auto &i : outputs) - bit_drivers[i].insert(mapped_cell->name); + // Ignore inouts for topo ordering + if (i.wire && !(i.wire->port_input && i.wire->port_output)) + bit_drivers[i].insert(mapped_cell->name); } int input_count = 0, output_count = 0; -- 2.30.2