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abc9: break SCC by setting (* keep *) on output wires

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This commit is contained in:
Eddie Hung 2020-01-13 21:45:27 -08:00
parent a2c4d98da7
commit 2c65e1abac
4 changed files with 23 additions and 35 deletions
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4
frontends/aiger/aigerparse.cc
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@ -831,6 +831,7 @@ void AigerReader::post_process()
}
else {
wire->port_output = false;
existing->port_output = true;
module->connect(wire, existing);
wire = existing;
}
@ -845,8 +846,9 @@ void AigerReader::post_process()
wideports_cache[escaped_s] = std::max(wideports_cache[escaped_s], index);
}
else {
module->connect(wire, existing);
wire->port_output = false;
existing->port_output = true;
module->connect(wire, existing);
}
log_debug(" -> %s\n", log_id(indexed_name));
}