diff options
| -rw-r--r-- | common/timing_opt.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/common/timing_opt.cc b/common/timing_opt.cc index 51c27cc6..fd2a3f83 100644 --- a/common/timing_opt.cc +++ b/common/timing_opt.cc @@ -107,6 +107,8 @@ class TimingOptimiser max_net_delay.clear(); for (auto net : sorted(ctx->nets)) { NetInfo *ni = net.second; + if (ni->driver.cell == nullptr) + continue; for (auto usr : ni->users) { max_net_delay[std::make_pair(usr.cell->name, usr.port)] = std::numeric_limits<delay_t>::max(); } |