// region as insertion.
// For static-shapes, Replace operand usages if op is in the same region as
// insertion or if the op is outside compiled and will be moved to host later.
void ReplaceExternalOperandUsage(ArrayRef<Value> external_operands,
                                 Operation* recv_at_host,
                                 Operation* insertion_point,
                                 Block* original_op_block) {