Merge pull request The-OpenROAD-Project#3387 from The-OpenROAD-Projec…

…t-staging/cts-recursion cts: stop infinite recursion when length is not found
xplanlab · May 25, 2023 · 575222d · 575222d
2 parents a7e0919 + c5394c2
commit 575222d
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/cts/src/HTreeBuilder.cpp b/src/cts/src/HTreeBuilder.cpp
@@ -541,6 +541,9 @@ unsigned HTreeBuilder::computeMinDelaySegment(const unsigned length,
   }
 
   if (minKey == std::numeric_limits<unsigned>::max()) {
+    if (tolerance >= MAX_TOLERANCE) {
+      return minKey;
+    }
     // Increasing tolerance
     return computeMinDelaySegment(length,
                                   inputSlew,