riscv
/
yosys
mirror of https://github.com/YosysHQ/yosys.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Fix segfault in wreduce 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
passes/opt/wreduce.cc
View File

@ -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);