code: private void generateCacheHitReturn(final CodeBlock block)
      {
          generateGetFromCache(block);
  
          final LabelNode cacheMiss = new LabelNode();
  
          block.dup()
              .ifnull(cacheMiss)
              .areturn()
              .label(cacheMiss)
              .pop();
      }
docs: if (<cache> != null) return <cache>;