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authorgatecat <gatecat@ds0.me>2021-03-15 17:00:03 +0000
committerGitHub <noreply@github.com>2021-03-15 17:00:03 +0000
commit3cf4a336665e07f8d210aa9d3336f3d5b0e82ea7 (patch)
treef6a1d4d4bb5bc9c687044404affa2ca82340aa4b
parent035b797ec230aa3d686d9013e0e15d79cd2982c3 (diff)
parent3c71911c26bd5813d3d72e683d9272098309d0c1 (diff)
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Merge pull request #624 from YosysHQ/gatecat/fix-623
opt-timing: Skip undriven nets
-rw-r--r--common/timing_opt.cc2
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();
}