Merge pull request #8701 from The-OpenROAD-Project-staging/rsz-rm-extra-ops

rsz: Clean up redundant operations

Author: maliberty

src/rsz/src/Resizer.cc

@@ -395,9 +395,6 @@ void Resizer::removeBuffers(sta::InstanceSeq insts)
   // timing information. So initBlock(), a light version of init(), is
   // sufficient.
   initBlock();
-  // Disable incremental timing.
-  graph_delay_calc_->delaysInvalid();
-  search_->arrivalsInvalid();
   est::IncrementalParasiticsGuard guard(estimate_parasitics_);
 
   if (insts.empty()) {
@@ -426,6 +423,7 @@ void Resizer::removeBuffers(sta::InstanceSeq insts)
     }
   }
   unbuffer_move_->commitMoves();
+  estimate_parasitics_->updateParasitics();
   level_drvr_vertices_valid_ = false;
   logger_->info(RSZ, 26, "Removed {} buffers.", unbuffer_move_->numMoves());
 }

src/rsz/src/UnbufferMove.cc

@@ -468,10 +468,6 @@ void UnbufferMove::removeBuffer(Instance* buffer)
       db_survivor->rename(new_net_name->c_str());
     }
   }
-
-  estimate_parasitics_->removeNetFromParasiticsInvalid(removed);
-  estimate_parasitics_->parasiticsInvalid(survivor);
-  estimate_parasitics_->updateParasitics();
 }
 
 }  // namespace rsz