cts: pass the buffer list defined by the buf_list flag to RSZ

Signed-off-by: luis201420 <luisemv@precisioninno.com>

Author: luis201420

src/cts/src/TritonCTS.cpp

@@ -642,19 +642,33 @@ int TritonCTS::setClockNets(const char* names)
 
 void TritonCTS::setBufferList(const char* buffers)
 {
+  // Put the buffer list into a string vector
   std::stringstream ss(buffers);
   std::istream_iterator<std::string> begin(ss);
   std::istream_iterator<std::string> end;
   std::vector<std::string> bufferList(begin, end);
+  // If the vector is empty, then the buffers are inferred
   if (bufferList.empty()) {
     inferBufferList(bufferList);
   } else {
+    // Iterate the user-defined buffer list
+    sta::Vector<sta::LibertyCell*> selected_buffers;
     for (const std::string& buffer : bufferList) {
-      if (db_->findMaster(buffer.c_str()) == nullptr) {
+      odb::dbMaster* buffer_master = db_->findMaster(buffer.c_str());
+      if (buffer_master == nullptr) {
         logger_->error(
             CTS, 126, "No physical master cell found for buffer {}.", buffer);
+      } else {
+        // Get the buffer and add to the vector
+        sta::Cell* master_cell = network_->dbToSta(buffer_master);
+        if (master_cell) {
+          sta::LibertyCell* lib_cell = network_->libertyCell(master_cell);
+          selected_buffers.push_back(lib_cell);
+        }
       }
     }
+    // Add found buffer to RSZ
+    resizer_->setClockBuffersList(selected_buffers);
   }
   options_->setBufferList(bufferList);
 }