diff options
| -rw-r--r-- | common/nextpnr.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/common/nextpnr.cc b/common/nextpnr.cc index 2c50c9a1..cf1b5982 100644 --- a/common/nextpnr.cc +++ b/common/nextpnr.cc @@ -91,6 +91,8 @@ WireId Context::getNetinfoSinkWire(NetInfo *net_info, int user_idx) const delay_t Context::getNetinfoRouteDelay(NetInfo *net_info, int user_idx) const { WireId src_wire = getNetinfoSourceWire(net_info); + if (src_wire == WireId()) + return 0; WireId cursor = getNetinfoSinkWire(net_info, user_idx); delay_t delay = 0; |