} else {
      mhlo_op = rewriter.create<DstOpT>(loc, op.getResultTypes(),
                                        adaptor.getOperands());
    }

    int64_t num_regions = op.getNumRegions();
    for (int64_t idx = 0; idx < num_regions; ++idx) {
      Region &region = mhlo_op.getBodyRegion(idx);
      rewriter.inlineRegionBefore(op.getBodyRegion(idx), region, region.end());