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Fix segfault in wreduce

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-04-30 22:20:45 +02:00
parent e35fe1344d
commit 32ff37bb5a
1 changed files with 2 additions and 0 deletions
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2
passes/opt/wreduce.cc
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@ -180,6 +180,8 @@ struct WreduceWorker
} }
auto info = mi.query(sig_q[i]); auto info = mi.query(sig_q[i]);
if (info == nullptr)
return;
if (!info->is_output && GetSize(info->ports) == 1 && !keep_bits.count(mi.sigmap(sig_q[i]))) { if (!info->is_output && GetSize(info->ports) == 1 && !keep_bits.count(mi.sigmap(sig_q[i]))) {
remove_init_bits.insert(sig_q[i]); remove_init_bits.insert(sig_q[i]);
sig_d.remove(i); sig_d.remove(i);