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-rw-r--r--backends/aiger/xaiger.cc5
1 files changed, 1 insertions, 4 deletions
diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc
index 3a4b353e2..fcf9a7bf1 100644
--- a/backends/aiger/xaiger.cc
+++ b/backends/aiger/xaiger.cc
@@ -154,11 +154,8 @@ struct XAigerWriter
}
if (wire->port_output || keep) {
- if (bit != wirebit) {
+ if (bit != wirebit)
alias_map[wirebit] = bit;
- if (!bit.wire)
- undriven_bits.insert(wirebit);
- }
output_bits.insert(wirebit);
}
}