ConvertAndWrapUsesInUnrealizedCast(value, converter, rewriter);
      }

      // Convert block arguments
      for (auto &region : op->getRegions()) {
        for (auto &block : region.getBlocks()) {
          rewriter.setInsertionPointToStart(&block);
          for (auto arg : block.getArguments()) {
            ConvertAndWrapUsesInUnrealizedCast(arg, converter, rewriter);
          }