Function Or

tensorflow/compiler/xla/client/xla_builder.h:1657–1659

Overload to call Or with 3 or more operands. As with `And`, we need the following complicated overload set to handle the default arg in the `Or` overload above.

// following complicated overload set to handle the default arg in the `Or`
// overload above.
inline XlaOp Or(XlaOp op1, XlaOp op2, XlaOp op3) {
  return Or(op1, Or(op2, op3));
}
template <typename... XlaOpTs>
XlaOp Or(XlaOp op1, XlaOp op2, XlaOp op3, const XlaOpTs&... operands) {
  return Or(op1, Or(op2, Or(op3, operands...)));