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abc9: perform name preservation

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This commit is contained in:
Lofty 2026-02-11 14:06:53 +00:00
parent fba29ea8f1
commit fb2f3bdb4e
4 changed files with 45 additions and 9 deletions
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13
backends/aiger/xaiger.cc
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@ -683,6 +683,7 @@ struct XAigerWriter
{
dict<int, string> input_lines;
dict<int, string> output_lines;
dict<int, string> node_lines;
for (auto wire : module->wires())
{
@ -702,6 +703,14 @@ struct XAigerWriter
}
}
for (auto &it : aig_map) {
auto bit = it.first;
auto node = it.second;
if (bit.wire == nullptr || input_bits.count(bit) || output_bits.count(bit))
continue;
node_lines[node] += stringf("node %d %d %s\n", node - 2, bit.wire->start_offset + bit.offset, log_id(bit.wire));
}
input_lines.sort();
for (auto &it : input_lines)
f << it.second;
@ -711,6 +720,10 @@ struct XAigerWriter
for (auto cell : box_list)
f << stringf("box %d %d %s\n", box_count++, 0, log_id(cell->name));
node_lines.sort();
for (auto &it : node_lines)
f << it.second;
output_lines.sort();
for (auto &it : output_lines)
f << it.second;