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Leave breadcrumb behind

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This commit is contained in:
Eddie Hung 2019-06-14 13:34:40 -07:00
parent 46e69ee934
commit 7ff8330d1e
1 changed files with 2 additions and 0 deletions
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2
backends/aiger/xaiger.cc
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@ -185,6 +185,8 @@ struct XAigerWriter
if (!bit.wire->port_input) if (!bit.wire->port_input)
unused_bits.erase(bit); unused_bits.erase(bit);
// TODO: Speed up toposort -- ultimately we care about
// box ordering, but not individual AIG cells
dict<SigBit, pool<IdString>> bit_drivers, bit_users; dict<SigBit, pool<IdString>> bit_drivers, bit_users;
TopoSort<IdString, RTLIL::sort_by_id_str> toposort; TopoSort<IdString, RTLIL::sort_by_id_str> toposort;
bool abc_box_seen = false; bool abc_box_seen = false;