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fix runtime segmentation fault

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disable null pointer dereference!
This commit is contained in:
airskywater
2022-09-24 11:35:40 +08:00
committed by GitHub
parent f4e6bbd383
commit 78f67ae5bc
1 changed files with 5 additions and 0 deletions
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5
common/kernel/timing.cc
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@@ -300,6 +300,8 @@ void TimingAnalyser::identify_related_domains()
[&](const NetInfo *ni, dict<IdString, delay_t> &drivers, delay_t delay_acc) {
// Get driving cell and port
const CellInfo *cell = ni->driver.cell;
if (nullptr == cell) return;
const IdString port = ni->driver.port;
bool didGoUpstream = false;
@@ -360,6 +362,9 @@ void TimingAnalyser::identify_related_domains()
for (const auto &domain : domains) {
const NetInfo *ni = ctx->nets.at(domain.key.clock).get();
if (nullptr == ni) continue;
if (nullptr == ni->driver.cell) continue;
dict<IdString, delay_t> drivers;
find_net_drivers(ni, drivers, 0);