drt: skip special nets in processBTermsAboveTopLayer

Signed-off-by: Matt Liberty <mliberty@precisioninno.com>
The-OpenROAD-Project · Apr 4, 2023 · 3d00f59 · 3d00f59
1 parent 47991be
commit 3d00f59
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/drt/src/TritonRoute.cpp b/src/drt/src/TritonRoute.cpp
@@ -974,6 +974,9 @@ void TritonRoute::processBTermsAboveTopLayer()
   if (top_tech_layer != nullptr) {
     int top_layer_idx = top_tech_layer->getRoutingLevel();
     for (auto bterm : block->getBTerms()) {
+      if (bterm->getNet()->isSpecial()) {
+        continue;
+      }
       int bterm_bottom_layer_idx = std::numeric_limits<int>::max();
       for (auto bpin : bterm->getBPins()) {
         for (auto box : bpin->getBoxes()) {