// to empty elements attribute. This is restricted to the numerical element
  // types as the DenseElementsAttr only supports numerical and string types.
  // TODO(hinsu): Handle ops that have one of the results empty for constant
  // propagation.
  bool has_empty_numerical_results =
      llvm::all_of(inst->getResultTypes(), [](Type ty) {

/// list.
void PopulateLegalizeTfPatterns(MLIRContext* context,
                                RewritePatternSet* patterns);

// Populates TF to MHLO legalization for some of the quantization ops.
//
// TODO(hinsu): Remove this once we combine quantized and non quantized op
// legalization in the ODML conversion pipeline.
void PopulateLegalizeTfQuantizationPatterns(MLIRContext* context,

      return success();
    }

    // Extract the constant cond value.
    DenseElementsAttr cond;
    if (!matchPattern(op.getCond(), m_Constant(&cond))) return failure();

    // TODO(hinsu): Handle constants that are not scalar booleans.
    auto cond_type = mlir::dyn_cast<RankedTensorType>(cond.getType());
    if (!cond_type || !cond_type.getShape().equals({}) ||