<?xml version="1.0" encoding="utf-8"?>
<!--Generated by DFIN XBRL Instance Document - http://www.dfinsolutions.com/ - Version R3.0 - on 03-September-2026 [03:57:29] {AM}-->
<schema targetNamespace="http://www.pimco.com/20260630" elementFormDefault="qualified" xmlns:cik0001510599="http://www.pimco.com/20260630" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:us-gaap="http://fasb.org/us-gaap/2026" xmlns:country="http://xbrl.sec.gov/country/2026" xmlns:currency="http://xbrl.sec.gov/currency/2026" xmlns:dei="http://xbrl.sec.gov/dei/2026" xmlns:exch="http://xbrl.sec.gov/exch/2026" xmlns:naics="http://xbrl.sec.gov/naics/2026" xmlns:sic="http://xbrl.sec.gov/sic/2026" xmlns:us-types="http://fasb.org/us-types/2026" xmlns:stpr="http://xbrl.sec.gov/stpr/2026" xmlns:deprecated="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" xmlns:srt="http://fasb.org/srt/2026" xmlns:srt-types="http://fasb.org/srt-types/2026" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:cef="http://xbrl.sec.gov/cef/2026" xmlns:cef-pre="http://xbrl.sec.gov/cef-pre/2026" xmlns:fnd="http://xbrl.sec.gov/fnd/2026">
  <annotation>
    <appinfo>
      <link:roleType roleURI="http://www.pimco.com/role/N2FeeTable" id="N2FeeTable">
        <link:definition>1001 - Disclosure - N-2 - [Fee Table]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.pimco.com/role/N2InvestmentObjectives" id="N2InvestmentObjectives">
        <link:definition>1002 - Disclosure - N-2 - [Investment Objectives]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.pimco.com/role/N2RiskFactors" id="N2RiskFactors">
        <link:definition>1003 - Disclosure - N-2 - [Risk Factors]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.pimco.com/role/N2EffectsOfLeverage" id="N2EffectsOfLeverage">
        <link:definition>1004 - Disclosure - N-2 - [Effects of Leverage]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.pimco.com/role/N2SharePriceTable" id="N2SharePriceTable">
        <link:definition>1005 - Disclosure - N-2 - [Share Price Table]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.pimco.com/role/N2OutstandingSecurities" id="N2OutstandingSecurities">
        <link:definition>1006 - Disclosure - N-2 - [Outstanding Securities]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:linkbase id="lnk" >
        <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2026/cef-2026.xsd#N2" roleURI="http://xbrl.sec.gov/cef/role/N2"  />
        <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2026/cef-2026.xsd#RiskOnly" roleURI="http://xbrl.sec.gov/cef/role/RiskOnly"  />
        <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2026/cef-2026.xsd#SecurityOnly" roleURI="http://xbrl.sec.gov/cef/role/SecurityOnly"  />
        <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cef/role/N2" >
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cef/2026/cef-2026.xsd#cef_AllRisksMember" xlink:label="loc_cef_AllRisksMember_200074" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_AntiTakeoverProvisionsMember" xlink:label="loc_cik0001510599_AntiTakeoverProvisionsMember_200673" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_AntiTakeoverProvisionsMember_200673" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_AssetAllocationRiskMember" xlink:label="loc_cik0001510599_AssetAllocationRiskMember_200674" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_AssetAllocationRiskMember_200674" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_AutonomouselectricVehicleRiskMember" xlink:label="loc_cik0001510599_AutonomouselectricVehicleRiskMember_200675" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_AutonomouselectricVehicleRiskMember_200675" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CallRiskMember" xlink:label="loc_cik0001510599_CallRiskMember_200676" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CallRiskMember_200676" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CertainAffiliationsMember" xlink:label="loc_cik0001510599_CertainAffiliationsMember_200677" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CertainAffiliationsMember_200677" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember" xlink:label="loc_cik0001510599_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember_200678" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember_200678" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ConfidentialInformationAccessRiskMember" xlink:label="loc_cik0001510599_ConfidentialInformationAccessRiskMember_200679" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ConfidentialInformationAccessRiskMember_200679" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ContingentConvertibleSecuritiesRiskMember" xlink:label="loc_cik0001510599_ContingentConvertibleSecuritiesRiskMember_200680" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ContingentConvertibleSecuritiesRiskMember_200680" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ConvertibleSecuritiesRiskMember" xlink:label="loc_cik0001510599_ConvertibleSecuritiesRiskMember_200681" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ConvertibleSecuritiesRiskMember_200681" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CorporateDebtSecuritiesRiskMember" xlink:label="loc_cik0001510599_CorporateDebtSecuritiesRiskMember_200682" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CorporateDebtSecuritiesRiskMember_200682" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CounterpartyRiskMember" xlink:label="loc_cik0001510599_CounterpartyRiskMember_200683" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CounterpartyRiskMember_200683" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CovenantLiteObligationsRiskMember" xlink:label="loc_cik0001510599_CovenantLiteObligationsRiskMember_200684" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CovenantLiteObligationsRiskMember_200684" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CreditDefaultSwapsRiskMember" xlink:label="loc_cik0001510599_CreditDefaultSwapsRiskMember_200685" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CreditDefaultSwapsRiskMember_200685" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CreditRisksMember" xlink:label="loc_cik0001510599_CreditRisksMember_200686" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CreditRisksMember_200686" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CsdrRelatedRiskMember" xlink:label="loc_cik0001510599_CsdrRelatedRiskMember_200687" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CsdrRelatedRiskMember_200687" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CurrencyRiskMember" xlink:label="loc_cik0001510599_CurrencyRiskMember_200688" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CurrencyRiskMember_200688" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CyberSecurityRiskMember" xlink:label="loc_cik0001510599_CyberSecurityRiskMember_200689" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CyberSecurityRiskMember_200689" use="optional" order="17" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_DebtSecuritiesRiskMember" xlink:label="loc_cik0001510599_DebtSecuritiesRiskMember_200690" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_DebtSecuritiesRiskMember_200690" use="optional" order="18" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_DerivativesRiskMember" xlink:label="loc_cik0001510599_DerivativesRiskMember_200691" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_DerivativesRiskMember_200691" use="optional" order="19" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_DistressedAndDefaultedSecuritiesRiskMember" xlink:label="loc_cik0001510599_DistressedAndDefaultedSecuritiesRiskMember_200692" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_DistressedAndDefaultedSecuritiesRiskMember_200692" use="optional" order="20" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_DistributionRateRiskMember" xlink:label="loc_cik0001510599_DistributionRateRiskMember_200693" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_DistributionRateRiskMember_200693" use="optional" order="21" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_EmergingMarketsRiskMember" xlink:label="loc_cik0001510599_EmergingMarketsRiskMember_200694" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_EmergingMarketsRiskMember_200694" use="optional" order="22" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_EquitySecuritiesAndRelatedMarketRiskMember" xlink:label="loc_cik0001510599_EquitySecuritiesAndRelatedMarketRiskMember_200696" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_EquitySecuritiesAndRelatedMarketRiskMember_200696" use="optional" order="23" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_FocusedInvestmentRiskMember" xlink:label="loc_cik0001510599_FocusedInvestmentRiskMember_200697" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_FocusedInvestmentRiskMember_200697" use="optional" order="24" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ForeignNonusGovernmentSecuritiesRiskMember" xlink:label="loc_cik0001510599_ForeignNonusGovernmentSecuritiesRiskMember_200698" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ForeignNonusGovernmentSecuritiesRiskMember_200698" use="optional" order="25" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ForeignNonusInvestmentRiskMember" xlink:label="loc_cik0001510599_ForeignNonusInvestmentRiskMember_200699" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ForeignNonusInvestmentRiskMember_200699" use="optional" order="26" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ForeignLoanOriginationsRiskMember" xlink:label="loc_cik0001510599_ForeignLoanOriginationsRiskMember_200700" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ForeignLoanOriginationsRiskMember_200700" use="optional" order="27" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_HighYieldSecuritiesRiskMember" xlink:label="loc_cik0001510599_HighYieldSecuritiesRiskMember_200701" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_HighYieldSecuritiesRiskMember_200701" use="optional" order="28" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_IndustrySpecificRisksMember" xlink:label="loc_cik0001510599_IndustrySpecificRisksMember_200702" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_IndustrySpecificRisksMember_200702" use="optional" order="29" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_InflationDeflationRiskMember" xlink:label="loc_cik0001510599_InflationDeflationRiskMember_200703" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_InflationDeflationRiskMember_200703" use="optional" order="30" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_InflationIndexedSecurityRiskMember" xlink:label="loc_cik0001510599_InflationIndexedSecurityRiskMember_200704" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_InflationIndexedSecurityRiskMember_200704" use="optional" order="31" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_InsuranceLinkedAndOtherInstrumentsRiskMember" xlink:label="loc_cik0001510599_InsuranceLinkedAndOtherInstrumentsRiskMember_200706" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_InsuranceLinkedAndOtherInstrumentsRiskMember_200706" use="optional" order="32" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_IssuerRiskMember" xlink:label="loc_cik0001510599_IssuerRiskMember_200707" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_IssuerRiskMember_200707" use="optional" order="33" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_LeverageRiskMember" xlink:label="loc_cik0001510599_LeverageRiskMember_200708" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_LeverageRiskMember_200708" use="optional" order="34" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_LiquidityRiskMember" xlink:label="loc_cik0001510599_LiquidityRiskMember_200711" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_LiquidityRiskMember_200711" use="optional" order="35" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_LoanOriginationRiskMember" xlink:label="loc_cik0001510599_LoanOriginationRiskMember_200712" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_LoanOriginationRiskMember_200712" use="optional" order="36" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" xlink:label="loc_cik0001510599_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember_200713" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember_200713" use="optional" order="37" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ManagementRiskMember" xlink:label="loc_cik0001510599_ManagementRiskMember_200714" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ManagementRiskMember_200714" use="optional" order="38" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MarketDiscountRiskMember" xlink:label="loc_cik0001510599_MarketDiscountRiskMember_200715" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_MarketDiscountRiskMember_200715" use="optional" order="39" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MarketDisruptionsRiskMember" xlink:label="loc_cik0001510599_MarketDisruptionsRiskMember_200716" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_MarketDisruptionsRiskMember_200716" use="optional" order="40" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MarketRiskMember" xlink:label="loc_cik0001510599_MarketRiskMember_200717" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_MarketRiskMember_200717" use="optional" order="41" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" xlink:label="loc_cik0001510599_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember_200718" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember_200718" use="optional" order="42" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MortgageRelatedDerivativeInstrumentsRiskMember" xlink:label="loc_cik0001510599_MortgageRelatedDerivativeInstrumentsRiskMember_200719" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_MortgageRelatedDerivativeInstrumentsRiskMember_200719" use="optional" order="43" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_OperationalRiskMember" xlink:label="loc_cik0001510599_OperationalRiskMember_200720" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_OperationalRiskMember_200720" use="optional" order="44" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_OtherInvestmentCompaniesRiskMember" xlink:label="loc_cik0001510599_OtherInvestmentCompaniesRiskMember_200721" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_OtherInvestmentCompaniesRiskMember_200721" use="optional" order="45" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_OtherPooledInvestmentVehiclesRiskMember" xlink:label="loc_cik0001510599_OtherPooledInvestmentVehiclesRiskMember_200722" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_OtherPooledInvestmentVehiclesRiskMember_200722" use="optional" order="46" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PlatformRiskMember" xlink:label="loc_cik0001510599_PlatformRiskMember_200723" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PlatformRiskMember_200723" use="optional" order="47" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PortfolioTurnoverRiskMember" xlink:label="loc_cik0001510599_PortfolioTurnoverRiskMember_200724" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PortfolioTurnoverRiskMember_200724" use="optional" order="48" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember" xlink:label="loc_cik0001510599_PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember_200725" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember_200725" use="optional" order="49" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PreferredSecuritiesRiskMember" xlink:label="loc_cik0001510599_PreferredSecuritiesRiskMember_200727" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PreferredSecuritiesRiskMember_200727" use="optional" order="50" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrepaymentRisksMember" xlink:label="loc_cik0001510599_PrepaymentRisksMember_200728" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PrepaymentRisksMember_200728" use="optional" order="51" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivacyAndDataSecurityRiskMember" xlink:label="loc_cik0001510599_PrivacyAndDataSecurityRiskMember_200729" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PrivacyAndDataSecurityRiskMember_200729" use="optional" order="52" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivateFundsRiskTaxRiskMember" xlink:label="loc_cik0001510599_PrivateFundsRiskTaxRiskMember_200730" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PrivateFundsRiskTaxRiskMember_200730" use="optional" order="53" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivatePlacementsAndRestrictedSecuritiesRiskMember" xlink:label="loc_cik0001510599_PrivatePlacementsAndRestrictedSecuritiesRiskMember_200732" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PrivatePlacementsAndRestrictedSecuritiesRiskMember_200732" use="optional" order="54" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivateRealEstateInvestmentsRiskMember" xlink:label="loc_cik0001510599_PrivateRealEstateInvestmentsRiskMember_200733" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PrivateRealEstateInvestmentsRiskMember_200733" use="optional" order="55" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivatelyIssuedMortgageRelatedSecuritiesRiskMember" xlink:label="loc_cik0001510599_PrivatelyIssuedMortgageRelatedSecuritiesRiskMember_200734" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PrivatelyIssuedMortgageRelatedSecuritiesRiskMember_200734" use="optional" order="56" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RealEstateRiskMember" xlink:label="loc_cik0001510599_RealEstateRiskMember_200735" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_RealEstateRiskMember_200735" use="optional" order="57" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RegulatoryChangesRiskMember" xlink:label="loc_cik0001510599_RegulatoryChangesRiskMember_200736" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_RegulatoryChangesRiskMember_200736" use="optional" order="58" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RegulatoryRiskCommodityPoolOperatorMember" xlink:label="loc_cik0001510599_RegulatoryRiskCommodityPoolOperatorMember_200737" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_RegulatoryRiskCommodityPoolOperatorMember_200737" use="optional" order="59" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ReinvestmentRiskMember" xlink:label="loc_cik0001510599_ReinvestmentRiskMember_200738" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ReinvestmentRiskMember_200738" use="optional" order="60" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ReitRiskMember" xlink:label="loc_cik0001510599_ReitRiskMember_200739" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ReitRiskMember_200739" use="optional" order="61" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RepurchaseAgreementsRiskMember" xlink:label="loc_cik0001510599_RepurchaseAgreementsRiskMember_200740" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_RepurchaseAgreementsRiskMember_200740" use="optional" order="62" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RiskOfInvestingInChinaMember" xlink:label="loc_cik0001510599_RiskOfInvestingInChinaMember_200742" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_RiskOfInvestingInChinaMember_200742" use="optional" order="63" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SecuritiesLendingRiskMember" xlink:label="loc_cik0001510599_SecuritiesLendingRiskMember_200743" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SecuritiesLendingRiskMember_200743" use="optional" order="64" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SeniorDebtRiskMember" xlink:label="loc_cik0001510599_SeniorDebtRiskMember_200744" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SeniorDebtRiskMember_200744" use="optional" order="65" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ShortExposureRiskMember" xlink:label="loc_cik0001510599_ShortExposureRiskMember_200745" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ShortExposureRiskMember_200745" use="optional" order="66" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" xlink:label="loc_cik0001510599_SpecialPurposeAcquisitionCompaniesSPACsRiskMember_200746" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SpecialPurposeAcquisitionCompaniesSPACsRiskMember_200746" use="optional" order="67" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SmallerCompanyRiskMember" xlink:label="loc_cik0001510599_SmallerCompanyRiskMember_200747" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SmallerCompanyRiskMember_200747" use="optional" order="68" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SovereignDebtRiskMember" xlink:label="loc_cik0001510599_SovereignDebtRiskMember_200748" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SovereignDebtRiskMember_200748" use="optional" order="69" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_StructuredInvestmentsRiskMember" xlink:label="loc_cik0001510599_StructuredInvestmentsRiskMember_200749" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_StructuredInvestmentsRiskMember_200749" use="optional" order="70" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SubprimeRiskMember" xlink:label="loc_cik0001510599_SubprimeRiskMember_200750" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SubprimeRiskMember_200750" use="optional" order="71" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SubsidiaryRiskMember" xlink:label="loc_cik0001510599_SubsidiaryRiskMember_200751" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SubsidiaryRiskMember_200751" use="optional" order="72" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SyntheticConvertibleSecuritiesRiskMember" xlink:label="loc_cik0001510599_SyntheticConvertibleSecuritiesRiskMember_200752" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SyntheticConvertibleSecuritiesRiskMember_200752" use="optional" order="73" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_TaxRiskMember" xlink:label="loc_cik0001510599_TaxRiskMember_200753" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_TaxRiskMember_200753" use="optional" order="74" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_TotalReturnSwapRiskMember" xlink:label="loc_cik0001510599_TotalReturnSwapRiskMember_200754" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_TotalReturnSwapRiskMember_200754" use="optional" order="75" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_UsGovernmentSecuritiesRiskMember" xlink:label="loc_cik0001510599_UsGovernmentSecuritiesRiskMember_200755" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_UsGovernmentSecuritiesRiskMember_200755" use="optional" order="76" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ValuationRiskMember" xlink:label="loc_cik0001510599_ValuationRiskMember_200756" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ValuationRiskMember_200756" use="optional" order="77" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember" xlink:label="loc_cik0001510599_ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember_200757" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember_200757" use="optional" order="78" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_UseOfDerivativesMember" xlink:label="loc_cik0001510599_UseOfDerivativesMember_200758" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_UseOfDerivativesMember_200758" use="optional" order="79" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RiskRetentionInvestmentRiskMember" xlink:label="loc_cik0001510599_RiskRetentionInvestmentRiskMember_200759" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_RiskRetentionInvestmentRiskMember_200759" use="optional" order="80" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_200072" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CommonSharesMember" xlink:label="loc_cik0001510599_CommonSharesMember_200581" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0001510599_CommonSharesMember_200581" use="optional" order="81" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AddressTypeDomain" xlink:label="loc_dei_AddressTypeDomain_200069" />
        </link:presentationLink>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"  />
        <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cef/role/SecurityOnly" >
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_200072" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CommonSharesMember" xlink:label="loc_cik0001510599_CommonSharesMember_200581" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0001510599_CommonSharesMember_200581" use="optional" order="1" />
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cef/role/RiskOnly" >
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cef/2026/cef-2026.xsd#cef_AllRisksMember" xlink:label="loc_cef_AllRisksMember_200074" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_AntiTakeoverProvisionsMember" xlink:label="loc_cik0001510599_AntiTakeoverProvisionsMember_200673" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_AntiTakeoverProvisionsMember_200673" use="optional" order="2" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_AssetAllocationRiskMember" xlink:label="loc_cik0001510599_AssetAllocationRiskMember_200674" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_AssetAllocationRiskMember_200674" use="optional" order="3" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_AutonomouselectricVehicleRiskMember" xlink:label="loc_cik0001510599_AutonomouselectricVehicleRiskMember_200675" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_AutonomouselectricVehicleRiskMember_200675" use="optional" order="4" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CallRiskMember" xlink:label="loc_cik0001510599_CallRiskMember_200676" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CallRiskMember_200676" use="optional" order="5" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CertainAffiliationsMember" xlink:label="loc_cik0001510599_CertainAffiliationsMember_200677" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CertainAffiliationsMember_200677" use="optional" order="6" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember" xlink:label="loc_cik0001510599_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember_200678" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember_200678" use="optional" order="7" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ConfidentialInformationAccessRiskMember" xlink:label="loc_cik0001510599_ConfidentialInformationAccessRiskMember_200679" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ConfidentialInformationAccessRiskMember_200679" use="optional" order="8" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ContingentConvertibleSecuritiesRiskMember" xlink:label="loc_cik0001510599_ContingentConvertibleSecuritiesRiskMember_200680" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ContingentConvertibleSecuritiesRiskMember_200680" use="optional" order="9" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ConvertibleSecuritiesRiskMember" xlink:label="loc_cik0001510599_ConvertibleSecuritiesRiskMember_200681" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ConvertibleSecuritiesRiskMember_200681" use="optional" order="10" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CorporateDebtSecuritiesRiskMember" xlink:label="loc_cik0001510599_CorporateDebtSecuritiesRiskMember_200682" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CorporateDebtSecuritiesRiskMember_200682" use="optional" order="11" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CounterpartyRiskMember" xlink:label="loc_cik0001510599_CounterpartyRiskMember_200683" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CounterpartyRiskMember_200683" use="optional" order="12" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CovenantLiteObligationsRiskMember" xlink:label="loc_cik0001510599_CovenantLiteObligationsRiskMember_200684" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CovenantLiteObligationsRiskMember_200684" use="optional" order="13" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CreditDefaultSwapsRiskMember" xlink:label="loc_cik0001510599_CreditDefaultSwapsRiskMember_200685" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CreditDefaultSwapsRiskMember_200685" use="optional" order="14" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CreditRisksMember" xlink:label="loc_cik0001510599_CreditRisksMember_200686" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CreditRisksMember_200686" use="optional" order="15" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CsdrRelatedRiskMember" xlink:label="loc_cik0001510599_CsdrRelatedRiskMember_200687" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CsdrRelatedRiskMember_200687" use="optional" order="16" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CurrencyRiskMember" xlink:label="loc_cik0001510599_CurrencyRiskMember_200688" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CurrencyRiskMember_200688" use="optional" order="17" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CyberSecurityRiskMember" xlink:label="loc_cik0001510599_CyberSecurityRiskMember_200689" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_CyberSecurityRiskMember_200689" use="optional" order="18" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_DebtSecuritiesRiskMember" xlink:label="loc_cik0001510599_DebtSecuritiesRiskMember_200690" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_DebtSecuritiesRiskMember_200690" use="optional" order="19" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_DerivativesRiskMember" xlink:label="loc_cik0001510599_DerivativesRiskMember_200691" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_DerivativesRiskMember_200691" use="optional" order="20" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_DistressedAndDefaultedSecuritiesRiskMember" xlink:label="loc_cik0001510599_DistressedAndDefaultedSecuritiesRiskMember_200692" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_DistressedAndDefaultedSecuritiesRiskMember_200692" use="optional" order="21" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_DistributionRateRiskMember" xlink:label="loc_cik0001510599_DistributionRateRiskMember_200693" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_DistributionRateRiskMember_200693" use="optional" order="22" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_EmergingMarketsRiskMember" xlink:label="loc_cik0001510599_EmergingMarketsRiskMember_200694" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_EmergingMarketsRiskMember_200694" use="optional" order="23" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_EquitySecuritiesAndRelatedMarketRiskMember" xlink:label="loc_cik0001510599_EquitySecuritiesAndRelatedMarketRiskMember_200696" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_EquitySecuritiesAndRelatedMarketRiskMember_200696" use="optional" order="24" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_FocusedInvestmentRiskMember" xlink:label="loc_cik0001510599_FocusedInvestmentRiskMember_200697" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_FocusedInvestmentRiskMember_200697" use="optional" order="25" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ForeignLoanOriginationsRiskMember" xlink:label="loc_cik0001510599_ForeignLoanOriginationsRiskMember_200700" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ForeignLoanOriginationsRiskMember_200700" use="optional" order="26" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ForeignNonusGovernmentSecuritiesRiskMember" xlink:label="loc_cik0001510599_ForeignNonusGovernmentSecuritiesRiskMember_200698" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ForeignNonusGovernmentSecuritiesRiskMember_200698" use="optional" order="27" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ForeignNonusInvestmentRiskMember" xlink:label="loc_cik0001510599_ForeignNonusInvestmentRiskMember_200699" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ForeignNonusInvestmentRiskMember_200699" use="optional" order="28" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_HighYieldSecuritiesRiskMember" xlink:label="loc_cik0001510599_HighYieldSecuritiesRiskMember_200701" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_HighYieldSecuritiesRiskMember_200701" use="optional" order="29" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_IndustrySpecificRisksMember" xlink:label="loc_cik0001510599_IndustrySpecificRisksMember_200702" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_IndustrySpecificRisksMember_200702" use="optional" order="30" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_InflationDeflationRiskMember" xlink:label="loc_cik0001510599_InflationDeflationRiskMember_200703" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_InflationDeflationRiskMember_200703" use="optional" order="31" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_InflationIndexedSecurityRiskMember" xlink:label="loc_cik0001510599_InflationIndexedSecurityRiskMember_200704" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_InflationIndexedSecurityRiskMember_200704" use="optional" order="32" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_InsuranceLinkedAndOtherInstrumentsRiskMember" xlink:label="loc_cik0001510599_InsuranceLinkedAndOtherInstrumentsRiskMember_200706" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_InsuranceLinkedAndOtherInstrumentsRiskMember_200706" use="optional" order="33" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_IssuerRiskMember" xlink:label="loc_cik0001510599_IssuerRiskMember_200707" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_IssuerRiskMember_200707" use="optional" order="34" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_LeverageRiskMember" xlink:label="loc_cik0001510599_LeverageRiskMember_200708" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_LeverageRiskMember_200708" use="optional" order="35" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_LiquidityRiskMember" xlink:label="loc_cik0001510599_LiquidityRiskMember_200711" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_LiquidityRiskMember_200711" use="optional" order="36" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_LoanOriginationRiskMember" xlink:label="loc_cik0001510599_LoanOriginationRiskMember_200712" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_LoanOriginationRiskMember_200712" use="optional" order="37" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" xlink:label="loc_cik0001510599_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember_200713" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember_200713" use="optional" order="38" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ManagementRiskMember" xlink:label="loc_cik0001510599_ManagementRiskMember_200714" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ManagementRiskMember_200714" use="optional" order="39" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MarketDiscountRiskMember" xlink:label="loc_cik0001510599_MarketDiscountRiskMember_200715" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_MarketDiscountRiskMember_200715" use="optional" order="40" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MarketDisruptionsRiskMember" xlink:label="loc_cik0001510599_MarketDisruptionsRiskMember_200716" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_MarketDisruptionsRiskMember_200716" use="optional" order="41" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MarketRiskMember" xlink:label="loc_cik0001510599_MarketRiskMember_200717" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_MarketRiskMember_200717" use="optional" order="42" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" xlink:label="loc_cik0001510599_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember_200718" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember_200718" use="optional" order="43" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MortgageRelatedDerivativeInstrumentsRiskMember" xlink:label="loc_cik0001510599_MortgageRelatedDerivativeInstrumentsRiskMember_200719" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_MortgageRelatedDerivativeInstrumentsRiskMember_200719" use="optional" order="44" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_OperationalRiskMember" xlink:label="loc_cik0001510599_OperationalRiskMember_200720" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_OperationalRiskMember_200720" use="optional" order="45" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_OtherInvestmentCompaniesRiskMember" xlink:label="loc_cik0001510599_OtherInvestmentCompaniesRiskMember_200721" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_OtherInvestmentCompaniesRiskMember_200721" use="optional" order="46" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_OtherPooledInvestmentVehiclesRiskMember" xlink:label="loc_cik0001510599_OtherPooledInvestmentVehiclesRiskMember_200722" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_OtherPooledInvestmentVehiclesRiskMember_200722" use="optional" order="47" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PlatformRiskMember" xlink:label="loc_cik0001510599_PlatformRiskMember_200723" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PlatformRiskMember_200723" use="optional" order="48" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PortfolioTurnoverRiskMember" xlink:label="loc_cik0001510599_PortfolioTurnoverRiskMember_200724" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PortfolioTurnoverRiskMember_200724" use="optional" order="49" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember" xlink:label="loc_cik0001510599_PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember_200725" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember_200725" use="optional" order="50" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PreferredSecuritiesRiskMember" xlink:label="loc_cik0001510599_PreferredSecuritiesRiskMember_200727" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PreferredSecuritiesRiskMember_200727" use="optional" order="51" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrepaymentRisksMember" xlink:label="loc_cik0001510599_PrepaymentRisksMember_200728" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PrepaymentRisksMember_200728" use="optional" order="52" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivacyAndDataSecurityRiskMember" xlink:label="loc_cik0001510599_PrivacyAndDataSecurityRiskMember_200729" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PrivacyAndDataSecurityRiskMember_200729" use="optional" order="53" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivateFundsRiskTaxRiskMember" xlink:label="loc_cik0001510599_PrivateFundsRiskTaxRiskMember_200730" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PrivateFundsRiskTaxRiskMember_200730" use="optional" order="54" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivatelyIssuedMortgageRelatedSecuritiesRiskMember" xlink:label="loc_cik0001510599_PrivatelyIssuedMortgageRelatedSecuritiesRiskMember_200734" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PrivatelyIssuedMortgageRelatedSecuritiesRiskMember_200734" use="optional" order="55" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivatePlacementsAndRestrictedSecuritiesRiskMember" xlink:label="loc_cik0001510599_PrivatePlacementsAndRestrictedSecuritiesRiskMember_200732" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PrivatePlacementsAndRestrictedSecuritiesRiskMember_200732" use="optional" order="56" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivateRealEstateInvestmentsRiskMember" xlink:label="loc_cik0001510599_PrivateRealEstateInvestmentsRiskMember_200733" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_PrivateRealEstateInvestmentsRiskMember_200733" use="optional" order="57" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RealEstateRiskMember" xlink:label="loc_cik0001510599_RealEstateRiskMember_200735" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_RealEstateRiskMember_200735" use="optional" order="58" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RegulatoryChangesRiskMember" xlink:label="loc_cik0001510599_RegulatoryChangesRiskMember_200736" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_RegulatoryChangesRiskMember_200736" use="optional" order="59" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RegulatoryRiskCommodityPoolOperatorMember" xlink:label="loc_cik0001510599_RegulatoryRiskCommodityPoolOperatorMember_200737" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_RegulatoryRiskCommodityPoolOperatorMember_200737" use="optional" order="60" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ReinvestmentRiskMember" xlink:label="loc_cik0001510599_ReinvestmentRiskMember_200738" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ReinvestmentRiskMember_200738" use="optional" order="61" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ReitRiskMember" xlink:label="loc_cik0001510599_ReitRiskMember_200739" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ReitRiskMember_200739" use="optional" order="62" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RepurchaseAgreementsRiskMember" xlink:label="loc_cik0001510599_RepurchaseAgreementsRiskMember_200740" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_RepurchaseAgreementsRiskMember_200740" use="optional" order="63" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RiskOfInvestingInChinaMember" xlink:label="loc_cik0001510599_RiskOfInvestingInChinaMember_200742" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_RiskOfInvestingInChinaMember_200742" use="optional" order="64" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RiskRetentionInvestmentRiskMember" xlink:label="loc_cik0001510599_RiskRetentionInvestmentRiskMember_200759" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_RiskRetentionInvestmentRiskMember_200759" use="optional" order="65" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SecuritiesLendingRiskMember" xlink:label="loc_cik0001510599_SecuritiesLendingRiskMember_200743" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SecuritiesLendingRiskMember_200743" use="optional" order="66" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SeniorDebtRiskMember" xlink:label="loc_cik0001510599_SeniorDebtRiskMember_200744" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SeniorDebtRiskMember_200744" use="optional" order="67" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ShortExposureRiskMember" xlink:label="loc_cik0001510599_ShortExposureRiskMember_200745" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ShortExposureRiskMember_200745" use="optional" order="68" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SmallerCompanyRiskMember" xlink:label="loc_cik0001510599_SmallerCompanyRiskMember_200747" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SmallerCompanyRiskMember_200747" use="optional" order="69" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SovereignDebtRiskMember" xlink:label="loc_cik0001510599_SovereignDebtRiskMember_200748" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SovereignDebtRiskMember_200748" use="optional" order="70" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" xlink:label="loc_cik0001510599_SpecialPurposeAcquisitionCompaniesSPACsRiskMember_200746" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SpecialPurposeAcquisitionCompaniesSPACsRiskMember_200746" use="optional" order="71" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_StructuredInvestmentsRiskMember" xlink:label="loc_cik0001510599_StructuredInvestmentsRiskMember_200749" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_StructuredInvestmentsRiskMember_200749" use="optional" order="72" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SubprimeRiskMember" xlink:label="loc_cik0001510599_SubprimeRiskMember_200750" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SubprimeRiskMember_200750" use="optional" order="73" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SubsidiaryRiskMember" xlink:label="loc_cik0001510599_SubsidiaryRiskMember_200751" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SubsidiaryRiskMember_200751" use="optional" order="74" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SyntheticConvertibleSecuritiesRiskMember" xlink:label="loc_cik0001510599_SyntheticConvertibleSecuritiesRiskMember_200752" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_SyntheticConvertibleSecuritiesRiskMember_200752" use="optional" order="75" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_TaxRiskMember" xlink:label="loc_cik0001510599_TaxRiskMember_200753" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_TaxRiskMember_200753" use="optional" order="76" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_TotalReturnSwapRiskMember" xlink:label="loc_cik0001510599_TotalReturnSwapRiskMember_200754" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_TotalReturnSwapRiskMember_200754" use="optional" order="77" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_UseOfDerivativesMember" xlink:label="loc_cik0001510599_UseOfDerivativesMember_200758" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_UseOfDerivativesMember_200758" use="optional" order="78" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_UsGovernmentSecuritiesRiskMember" xlink:label="loc_cik0001510599_UsGovernmentSecuritiesRiskMember_200755" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_UsGovernmentSecuritiesRiskMember_200755" use="optional" order="79" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ValuationRiskMember" xlink:label="loc_cik0001510599_ValuationRiskMember_200756" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ValuationRiskMember_200756" use="optional" order="80" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember" xlink:label="loc_cik0001510599_ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember_200757" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0001510599_ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember_200757" use="optional" order="81" />
        </link:definitionLink>
        <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link" >
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_AntiTakeoverProvisionsMember" xlink:label="loc_cik0001510599_AntiTakeoverProvisionsMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_AntiTakeoverProvisionsMember" xml:lang="en-US">Anti Takeover Provisions [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_AntiTakeoverProvisionsMember" xlink:to="lab_cik0001510599_AntiTakeoverProvisionsMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_AssetAllocationRiskMember" xlink:label="loc_cik0001510599_AssetAllocationRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_AssetAllocationRiskMember" xml:lang="en-US">Asset Allocation Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_AssetAllocationRiskMember" xlink:to="lab_cik0001510599_AssetAllocationRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_AutonomouselectricVehicleRiskMember" xlink:label="loc_cik0001510599_AutonomouselectricVehicleRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_AutonomouselectricVehicleRiskMember" xml:lang="en-US">AutonomousElectric Vehicle Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_AutonomouselectricVehicleRiskMember" xlink:to="lab_cik0001510599_AutonomouselectricVehicleRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CallRiskMember" xlink:label="loc_cik0001510599_CallRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_CallRiskMember" xml:lang="en-US">Call Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_CallRiskMember" xlink:to="lab_cik0001510599_CallRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CertainAffiliationsMember" xlink:label="loc_cik0001510599_CertainAffiliationsMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_CertainAffiliationsMember" xml:lang="en-US">Certain Affiliations [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_CertainAffiliationsMember" xlink:to="lab_cik0001510599_CertainAffiliationsMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember" xlink:label="loc_cik0001510599_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember" xml:lang="en-US">Collateralized Bond Obligations, Collateralized Loan Obligations and Collateralized Debt Obligations Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember" xlink:to="lab_cik0001510599_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ConfidentialInformationAccessRiskMember" xlink:label="loc_cik0001510599_ConfidentialInformationAccessRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_ConfidentialInformationAccessRiskMember" xml:lang="en-US">Confidential Information Access Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_ConfidentialInformationAccessRiskMember" xlink:to="lab_cik0001510599_ConfidentialInformationAccessRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ContingentConvertibleSecuritiesRiskMember" xlink:label="loc_cik0001510599_ContingentConvertibleSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_ContingentConvertibleSecuritiesRiskMember" xml:lang="en-US">Contingent Convertible Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_ContingentConvertibleSecuritiesRiskMember" xlink:to="lab_cik0001510599_ContingentConvertibleSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ConvertibleSecuritiesRiskMember" xlink:label="loc_cik0001510599_ConvertibleSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_ConvertibleSecuritiesRiskMember" xml:lang="en-US">Convertible Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_ConvertibleSecuritiesRiskMember" xlink:to="lab_cik0001510599_ConvertibleSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CorporateDebtSecuritiesRiskMember" xlink:label="loc_cik0001510599_CorporateDebtSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_CorporateDebtSecuritiesRiskMember" xml:lang="en-US">Corporate Debt Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_CorporateDebtSecuritiesRiskMember" xlink:to="lab_cik0001510599_CorporateDebtSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CounterpartyRiskMember" xlink:label="loc_cik0001510599_CounterpartyRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_CounterpartyRiskMember" xml:lang="en-US">Counterparty Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_CounterpartyRiskMember" xlink:to="lab_cik0001510599_CounterpartyRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CovenantLiteObligationsRiskMember" xlink:label="loc_cik0001510599_CovenantLiteObligationsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_CovenantLiteObligationsRiskMember" xml:lang="en-US">Covenant Lite Obligations Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_CovenantLiteObligationsRiskMember" xlink:to="lab_cik0001510599_CovenantLiteObligationsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CreditDefaultSwapsRiskMember" xlink:label="loc_cik0001510599_CreditDefaultSwapsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_CreditDefaultSwapsRiskMember" xml:lang="en-US">Credit Default Swaps Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_CreditDefaultSwapsRiskMember" xlink:to="lab_cik0001510599_CreditDefaultSwapsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CreditRisksMember" xlink:label="loc_cik0001510599_CreditRisksMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_CreditRisksMember" xml:lang="en-US">Credit Risks [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_CreditRisksMember" xlink:to="lab_cik0001510599_CreditRisksMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CsdrRelatedRiskMember" xlink:label="loc_cik0001510599_CsdrRelatedRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_CsdrRelatedRiskMember" xml:lang="en-US">CSDR Related Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_CsdrRelatedRiskMember" xlink:to="lab_cik0001510599_CsdrRelatedRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CurrencyRiskMember" xlink:label="loc_cik0001510599_CurrencyRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_CurrencyRiskMember" xml:lang="en-US">Currency Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_CurrencyRiskMember" xlink:to="lab_cik0001510599_CurrencyRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CyberSecurityRiskMember" xlink:label="loc_cik0001510599_CyberSecurityRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_CyberSecurityRiskMember" xml:lang="en-US">Cyber Security Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_CyberSecurityRiskMember" xlink:to="lab_cik0001510599_CyberSecurityRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_DebtSecuritiesRiskMember" xlink:label="loc_cik0001510599_DebtSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_DebtSecuritiesRiskMember" xml:lang="en-US">Debt Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_DebtSecuritiesRiskMember" xlink:to="lab_cik0001510599_DebtSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_DerivativesRiskMember" xlink:label="loc_cik0001510599_DerivativesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_DerivativesRiskMember" xml:lang="en-US">Derivatives Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_DerivativesRiskMember" xlink:to="lab_cik0001510599_DerivativesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_DistressedAndDefaultedSecuritiesRiskMember" xlink:label="loc_cik0001510599_DistressedAndDefaultedSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_DistressedAndDefaultedSecuritiesRiskMember" xml:lang="en-US">Distressed and Defaulted Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_DistressedAndDefaultedSecuritiesRiskMember" xlink:to="lab_cik0001510599_DistressedAndDefaultedSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_DistributionRateRiskMember" xlink:label="loc_cik0001510599_DistributionRateRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_DistributionRateRiskMember" xml:lang="en-US">Distribution Rate Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_DistributionRateRiskMember" xlink:to="lab_cik0001510599_DistributionRateRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_EmergingMarketsRiskMember" xlink:label="loc_cik0001510599_EmergingMarketsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_EmergingMarketsRiskMember" xml:lang="en-US">Emerging Markets Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_EmergingMarketsRiskMember" xlink:to="lab_cik0001510599_EmergingMarketsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_EquitySecuritiesAndRelatedMarketRiskMember" xlink:label="loc_cik0001510599_EquitySecuritiesAndRelatedMarketRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_EquitySecuritiesAndRelatedMarketRiskMember" xml:lang="en-US">Equity Securities and Related Market Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_EquitySecuritiesAndRelatedMarketRiskMember" xlink:to="lab_cik0001510599_EquitySecuritiesAndRelatedMarketRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_FocusedInvestmentRiskMember" xlink:label="loc_cik0001510599_FocusedInvestmentRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_FocusedInvestmentRiskMember" xml:lang="en-US">Focused Investment Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_FocusedInvestmentRiskMember" xlink:to="lab_cik0001510599_FocusedInvestmentRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ForeignLoanOriginationsRiskMember" xlink:label="loc_cik0001510599_ForeignLoanOriginationsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_ForeignLoanOriginationsRiskMember" xml:lang="en-US">Foreign Loan Originations Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_ForeignLoanOriginationsRiskMember" xlink:to="lab_cik0001510599_ForeignLoanOriginationsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ForeignNonusGovernmentSecuritiesRiskMember" xlink:label="loc_cik0001510599_ForeignNonusGovernmentSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_ForeignNonusGovernmentSecuritiesRiskMember" xml:lang="en-US">Foreign (NonU.S.) Government Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_ForeignNonusGovernmentSecuritiesRiskMember" xlink:to="lab_cik0001510599_ForeignNonusGovernmentSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ForeignNonusInvestmentRiskMember" xlink:label="loc_cik0001510599_ForeignNonusInvestmentRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_ForeignNonusInvestmentRiskMember" xml:lang="en-US">Foreign (NonU.S.) Investment Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_ForeignNonusInvestmentRiskMember" xlink:to="lab_cik0001510599_ForeignNonusInvestmentRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_HighYieldSecuritiesRiskMember" xlink:label="loc_cik0001510599_HighYieldSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_HighYieldSecuritiesRiskMember" xml:lang="en-US">High Yield Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_HighYieldSecuritiesRiskMember" xlink:to="lab_cik0001510599_HighYieldSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_IndustrySpecificRisksMember" xlink:label="loc_cik0001510599_IndustrySpecificRisksMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_IndustrySpecificRisksMember" xml:lang="en-US">Industry Specific Risks [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_IndustrySpecificRisksMember" xlink:to="lab_cik0001510599_IndustrySpecificRisksMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_InflationDeflationRiskMember" xlink:label="loc_cik0001510599_InflationDeflationRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_InflationDeflationRiskMember" xml:lang="en-US">Inflation Deflation Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_InflationDeflationRiskMember" xlink:to="lab_cik0001510599_InflationDeflationRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_InflationIndexedSecurityRiskMember" xlink:label="loc_cik0001510599_InflationIndexedSecurityRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_InflationIndexedSecurityRiskMember" xml:lang="en-US">Inflation Indexed Security Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_InflationIndexedSecurityRiskMember" xlink:to="lab_cik0001510599_InflationIndexedSecurityRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_InsuranceLinkedAndOtherInstrumentsRiskMember" xlink:label="loc_cik0001510599_InsuranceLinkedAndOtherInstrumentsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_InsuranceLinkedAndOtherInstrumentsRiskMember" xml:lang="en-US">Insurance Linked and Other Instruments Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_InsuranceLinkedAndOtherInstrumentsRiskMember" xlink:to="lab_cik0001510599_InsuranceLinkedAndOtherInstrumentsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_IssuerRiskMember" xlink:label="loc_cik0001510599_IssuerRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_IssuerRiskMember" xml:lang="en-US">Issuer Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_IssuerRiskMember" xlink:to="lab_cik0001510599_IssuerRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_LeverageRiskMember" xlink:label="loc_cik0001510599_LeverageRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_LeverageRiskMember" xml:lang="en-US">Leverage Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_LeverageRiskMember" xlink:to="lab_cik0001510599_LeverageRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_LiquidityRiskMember" xlink:label="loc_cik0001510599_LiquidityRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_LiquidityRiskMember" xml:lang="en-US">Liquidity Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_LiquidityRiskMember" xlink:to="lab_cik0001510599_LiquidityRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_LoanOriginationRiskMember" xlink:label="loc_cik0001510599_LoanOriginationRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_LoanOriginationRiskMember" xml:lang="en-US">Loan Origination Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_LoanOriginationRiskMember" xlink:to="lab_cik0001510599_LoanOriginationRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" xlink:label="loc_cik0001510599_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" xml:lang="en-US">Loans and Other Indebtedness Loan Acquisitions, Participations and Assignments Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" xlink:to="lab_cik0001510599_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ManagementRiskMember" xlink:label="loc_cik0001510599_ManagementRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_ManagementRiskMember" xml:lang="en-US">Management Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_ManagementRiskMember" xlink:to="lab_cik0001510599_ManagementRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MarketDiscountRiskMember" xlink:label="loc_cik0001510599_MarketDiscountRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_MarketDiscountRiskMember" xml:lang="en-US">Market Discount Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_MarketDiscountRiskMember" xlink:to="lab_cik0001510599_MarketDiscountRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MarketDisruptionsRiskMember" xlink:label="loc_cik0001510599_MarketDisruptionsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_MarketDisruptionsRiskMember" xml:lang="en-US">Market Disruptions Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_MarketDisruptionsRiskMember" xlink:to="lab_cik0001510599_MarketDisruptionsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MarketRiskMember" xlink:label="loc_cik0001510599_MarketRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_MarketRiskMember" xml:lang="en-US">Market Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_MarketRiskMember" xlink:to="lab_cik0001510599_MarketRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" xlink:label="loc_cik0001510599_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" xml:lang="en-US">Mortgage Related and Other Asset Backed Instruments Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" xlink:to="lab_cik0001510599_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_MortgageRelatedDerivativeInstrumentsRiskMember" xlink:label="loc_cik0001510599_MortgageRelatedDerivativeInstrumentsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_MortgageRelatedDerivativeInstrumentsRiskMember" xml:lang="en-US">Mortgage Related Derivative Instruments Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_MortgageRelatedDerivativeInstrumentsRiskMember" xlink:to="lab_cik0001510599_MortgageRelatedDerivativeInstrumentsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_OperationalRiskMember" xlink:label="loc_cik0001510599_OperationalRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_OperationalRiskMember" xml:lang="en-US">Operational Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_OperationalRiskMember" xlink:to="lab_cik0001510599_OperationalRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_OtherInvestmentCompaniesRiskMember" xlink:label="loc_cik0001510599_OtherInvestmentCompaniesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_OtherInvestmentCompaniesRiskMember" xml:lang="en-US">Other Investment Companies Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_OtherInvestmentCompaniesRiskMember" xlink:to="lab_cik0001510599_OtherInvestmentCompaniesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_OtherPooledInvestmentVehiclesRiskMember" xlink:label="loc_cik0001510599_OtherPooledInvestmentVehiclesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_OtherPooledInvestmentVehiclesRiskMember" xml:lang="en-US">Other Pooled Investment Vehicles Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_OtherPooledInvestmentVehiclesRiskMember" xlink:to="lab_cik0001510599_OtherPooledInvestmentVehiclesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PlatformRiskMember" xlink:label="loc_cik0001510599_PlatformRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_PlatformRiskMember" xml:lang="en-US">Platform Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_PlatformRiskMember" xlink:to="lab_cik0001510599_PlatformRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PortfolioTurnoverRiskMember" xlink:label="loc_cik0001510599_PortfolioTurnoverRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_PortfolioTurnoverRiskMember" xml:lang="en-US">Portfolio Turnover Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_PortfolioTurnoverRiskMember" xlink:to="lab_cik0001510599_PortfolioTurnoverRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember" xlink:label="loc_cik0001510599_PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember" xml:lang="en-US">Potential Conflicts of Interest RiskAllocation of Investment Opportunities [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember" xlink:to="lab_cik0001510599_PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PreferredSecuritiesRiskMember" xlink:label="loc_cik0001510599_PreferredSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_PreferredSecuritiesRiskMember" xml:lang="en-US">Preferred Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_PreferredSecuritiesRiskMember" xlink:to="lab_cik0001510599_PreferredSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrepaymentRisksMember" xlink:label="loc_cik0001510599_PrepaymentRisksMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_PrepaymentRisksMember" xml:lang="en-US">Prepayment Risks [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_PrepaymentRisksMember" xlink:to="lab_cik0001510599_PrepaymentRisksMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivacyAndDataSecurityRiskMember" xlink:label="loc_cik0001510599_PrivacyAndDataSecurityRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_PrivacyAndDataSecurityRiskMember" xml:lang="en-US">Privacy and Data Security Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_PrivacyAndDataSecurityRiskMember" xlink:to="lab_cik0001510599_PrivacyAndDataSecurityRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivateFundsRiskTaxRiskMember" xlink:label="loc_cik0001510599_PrivateFundsRiskTaxRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_PrivateFundsRiskTaxRiskMember" xml:lang="en-US">Private Funds Risk Tax Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_PrivateFundsRiskTaxRiskMember" xlink:to="lab_cik0001510599_PrivateFundsRiskTaxRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivatelyIssuedMortgageRelatedSecuritiesRiskMember" xlink:label="loc_cik0001510599_PrivatelyIssuedMortgageRelatedSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_PrivatelyIssuedMortgageRelatedSecuritiesRiskMember" xml:lang="en-US">Privately Issued Mortgage Related Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_PrivatelyIssuedMortgageRelatedSecuritiesRiskMember" xlink:to="lab_cik0001510599_PrivatelyIssuedMortgageRelatedSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivatePlacementsAndRestrictedSecuritiesRiskMember" xlink:label="loc_cik0001510599_PrivatePlacementsAndRestrictedSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_PrivatePlacementsAndRestrictedSecuritiesRiskMember" xml:lang="en-US">Private Placements and Restricted Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_PrivatePlacementsAndRestrictedSecuritiesRiskMember" xlink:to="lab_cik0001510599_PrivatePlacementsAndRestrictedSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_PrivateRealEstateInvestmentsRiskMember" xlink:label="loc_cik0001510599_PrivateRealEstateInvestmentsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_PrivateRealEstateInvestmentsRiskMember" xml:lang="en-US">Private Real Estate Investments Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_PrivateRealEstateInvestmentsRiskMember" xlink:to="lab_cik0001510599_PrivateRealEstateInvestmentsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RealEstateRiskMember" xlink:label="loc_cik0001510599_RealEstateRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_RealEstateRiskMember" xml:lang="en-US">Real Estate Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_RealEstateRiskMember" xlink:to="lab_cik0001510599_RealEstateRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RegulatoryChangesRiskMember" xlink:label="loc_cik0001510599_RegulatoryChangesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_RegulatoryChangesRiskMember" xml:lang="en-US">Regulatory Changes Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_RegulatoryChangesRiskMember" xlink:to="lab_cik0001510599_RegulatoryChangesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RegulatoryRiskCommodityPoolOperatorMember" xlink:label="loc_cik0001510599_RegulatoryRiskCommodityPoolOperatorMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_RegulatoryRiskCommodityPoolOperatorMember" xml:lang="en-US">Regulatory Risk Commodity Pool Operator [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_RegulatoryRiskCommodityPoolOperatorMember" xlink:to="lab_cik0001510599_RegulatoryRiskCommodityPoolOperatorMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ReinvestmentRiskMember" xlink:label="loc_cik0001510599_ReinvestmentRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_ReinvestmentRiskMember" xml:lang="en-US">Reinvestment Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_ReinvestmentRiskMember" xlink:to="lab_cik0001510599_ReinvestmentRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ReitRiskMember" xlink:label="loc_cik0001510599_ReitRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_ReitRiskMember" xml:lang="en-US">REIT Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_ReitRiskMember" xlink:to="lab_cik0001510599_ReitRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RepurchaseAgreementsRiskMember" xlink:label="loc_cik0001510599_RepurchaseAgreementsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_RepurchaseAgreementsRiskMember" xml:lang="en-US">Repurchase Agreements Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_RepurchaseAgreementsRiskMember" xlink:to="lab_cik0001510599_RepurchaseAgreementsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RiskOfInvestingInChinaMember" xlink:label="loc_cik0001510599_RiskOfInvestingInChinaMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_RiskOfInvestingInChinaMember" xml:lang="en-US">Risk of Investing in China [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_RiskOfInvestingInChinaMember" xlink:to="lab_cik0001510599_RiskOfInvestingInChinaMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_RiskRetentionInvestmentRiskMember" xlink:label="loc_cik0001510599_RiskRetentionInvestmentRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_RiskRetentionInvestmentRiskMember" xml:lang="en-US">Risk Retention Investment Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_RiskRetentionInvestmentRiskMember" xlink:to="lab_cik0001510599_RiskRetentionInvestmentRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SecuritiesLendingRiskMember" xlink:label="loc_cik0001510599_SecuritiesLendingRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_SecuritiesLendingRiskMember" xml:lang="en-US">Securities Lending Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_SecuritiesLendingRiskMember" xlink:to="lab_cik0001510599_SecuritiesLendingRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SeniorDebtRiskMember" xlink:label="loc_cik0001510599_SeniorDebtRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_SeniorDebtRiskMember" xml:lang="en-US">Senior Debt Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_SeniorDebtRiskMember" xlink:to="lab_cik0001510599_SeniorDebtRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ShortExposureRiskMember" xlink:label="loc_cik0001510599_ShortExposureRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_ShortExposureRiskMember" xml:lang="en-US">Short Exposure Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_ShortExposureRiskMember" xlink:to="lab_cik0001510599_ShortExposureRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SmallerCompanyRiskMember" xlink:label="loc_cik0001510599_SmallerCompanyRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_SmallerCompanyRiskMember" xml:lang="en-US">Smaller Company Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_SmallerCompanyRiskMember" xlink:to="lab_cik0001510599_SmallerCompanyRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SovereignDebtRiskMember" xlink:label="loc_cik0001510599_SovereignDebtRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_SovereignDebtRiskMember" xml:lang="en-US">Sovereign Debt Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_SovereignDebtRiskMember" xlink:to="lab_cik0001510599_SovereignDebtRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" xlink:label="loc_cik0001510599_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" xml:lang="en-US">Special Purpose Acquisition Companies SPACs Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" xlink:to="lab_cik0001510599_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_StructuredInvestmentsRiskMember" xlink:label="loc_cik0001510599_StructuredInvestmentsRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_StructuredInvestmentsRiskMember" xml:lang="en-US">Structured Investments Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_StructuredInvestmentsRiskMember" xlink:to="lab_cik0001510599_StructuredInvestmentsRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SubprimeRiskMember" xlink:label="loc_cik0001510599_SubprimeRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_SubprimeRiskMember" xml:lang="en-US">Subprime Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_SubprimeRiskMember" xlink:to="lab_cik0001510599_SubprimeRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SubsidiaryRiskMember" xlink:label="loc_cik0001510599_SubsidiaryRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_SubsidiaryRiskMember" xml:lang="en-US">Subsidiary Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_SubsidiaryRiskMember" xlink:to="lab_cik0001510599_SubsidiaryRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_SyntheticConvertibleSecuritiesRiskMember" xlink:label="loc_cik0001510599_SyntheticConvertibleSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_SyntheticConvertibleSecuritiesRiskMember" xml:lang="en-US">Synthetic Convertible Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_SyntheticConvertibleSecuritiesRiskMember" xlink:to="lab_cik0001510599_SyntheticConvertibleSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_TaxRiskMember" xlink:label="loc_cik0001510599_TaxRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_TaxRiskMember" xml:lang="en-US">Tax Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_TaxRiskMember" xlink:to="lab_cik0001510599_TaxRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_TotalReturnSwapRiskMember" xlink:label="loc_cik0001510599_TotalReturnSwapRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_TotalReturnSwapRiskMember" xml:lang="en-US">Total Return Swap Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_TotalReturnSwapRiskMember" xlink:to="lab_cik0001510599_TotalReturnSwapRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_UseOfDerivativesMember" xlink:label="loc_cik0001510599_UseOfDerivativesMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_UseOfDerivativesMember" xml:lang="en-US">Use of Derivatives [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_UseOfDerivativesMember" xlink:to="lab_cik0001510599_UseOfDerivativesMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_UsGovernmentSecuritiesRiskMember" xlink:label="loc_cik0001510599_UsGovernmentSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_UsGovernmentSecuritiesRiskMember" xml:lang="en-US">U.S. Government Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_UsGovernmentSecuritiesRiskMember" xlink:to="lab_cik0001510599_UsGovernmentSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ValuationRiskMember" xlink:label="loc_cik0001510599_ValuationRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_ValuationRiskMember" xml:lang="en-US">Valuation Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_ValuationRiskMember" xlink:to="lab_cik0001510599_ValuationRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember" xlink:label="loc_cik0001510599_ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember" xml:lang="en-US">ZeroCoupon Bonds, StepUps and PaymentInKind Securities Risk [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember" xlink:to="lab_cik0001510599_ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember" />
          <link:loc xlink:type="locator" xlink:href="cik0001510599-20260630.xsd#cik0001510599_CommonSharesMember" xlink:label="loc_cik0001510599_CommonSharesMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0001510599_CommonSharesMember" xml:lang="en-US">Common Shares [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0001510599_CommonSharesMember" xlink:to="lab_cik0001510599_CommonSharesMember" />
        </link:labelLink>
      </link:linkbase>
    </appinfo>
  </annotation>
  <import namespace="http://xbrl.sec.gov/cef/2026" schemaLocation="https://xbrl.sec.gov/cef/2026/cef-2026.xsd" />
  <import namespace="http://xbrl.sec.gov/cef-pre/2026" schemaLocation="https://xbrl.sec.gov/cef/2026/cef-2026_pre.xsd" />
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd" />
  <import namespace="http://xbrl.sec.gov/dei/2026" schemaLocation="https://xbrl.sec.gov/dei/2026/dei-2026.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" />
  <element name="AntiTakeoverProvisionsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_AntiTakeoverProvisionsMember" substitutionGroup="xbrli:item" />
  <element name="AssetAllocationRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_AssetAllocationRiskMember" substitutionGroup="xbrli:item" />
  <element name="AutonomouselectricVehicleRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_AutonomouselectricVehicleRiskMember" substitutionGroup="xbrli:item" />
  <element name="CallRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_CallRiskMember" substitutionGroup="xbrli:item" />
  <element name="CertainAffiliationsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_CertainAffiliationsMember" substitutionGroup="xbrli:item" />
  <element name="CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_CollateralizedBondObligationsCollateralizedLoanObligationsAndCollateralizedDebtObligationsRiskMember" substitutionGroup="xbrli:item" />
  <element name="ConfidentialInformationAccessRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_ConfidentialInformationAccessRiskMember" substitutionGroup="xbrli:item" />
  <element name="ContingentConvertibleSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_ContingentConvertibleSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="ConvertibleSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_ConvertibleSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="CorporateDebtSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_CorporateDebtSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="CounterpartyRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_CounterpartyRiskMember" substitutionGroup="xbrli:item" />
  <element name="CovenantLiteObligationsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_CovenantLiteObligationsRiskMember" substitutionGroup="xbrli:item" />
  <element name="CreditDefaultSwapsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_CreditDefaultSwapsRiskMember" substitutionGroup="xbrli:item" />
  <element name="CreditRisksMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_CreditRisksMember" substitutionGroup="xbrli:item" />
  <element name="CsdrRelatedRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_CsdrRelatedRiskMember" substitutionGroup="xbrli:item" />
  <element name="CurrencyRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_CurrencyRiskMember" substitutionGroup="xbrli:item" />
  <element name="CyberSecurityRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_CyberSecurityRiskMember" substitutionGroup="xbrli:item" />
  <element name="DebtSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_DebtSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="DerivativesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_DerivativesRiskMember" substitutionGroup="xbrli:item" />
  <element name="DistressedAndDefaultedSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_DistressedAndDefaultedSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="DistributionRateRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_DistributionRateRiskMember" substitutionGroup="xbrli:item" />
  <element name="EmergingMarketsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_EmergingMarketsRiskMember" substitutionGroup="xbrli:item" />
  <element name="EquitySecuritiesAndRelatedMarketRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_EquitySecuritiesAndRelatedMarketRiskMember" substitutionGroup="xbrli:item" />
  <element name="FocusedInvestmentRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_FocusedInvestmentRiskMember" substitutionGroup="xbrli:item" />
  <element name="ForeignLoanOriginationsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_ForeignLoanOriginationsRiskMember" substitutionGroup="xbrli:item" />
  <element name="ForeignNonusGovernmentSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_ForeignNonusGovernmentSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="ForeignNonusInvestmentRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_ForeignNonusInvestmentRiskMember" substitutionGroup="xbrli:item" />
  <element name="HighYieldSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_HighYieldSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="IndustrySpecificRisksMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_IndustrySpecificRisksMember" substitutionGroup="xbrli:item" />
  <element name="InflationDeflationRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_InflationDeflationRiskMember" substitutionGroup="xbrli:item" />
  <element name="InflationIndexedSecurityRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_InflationIndexedSecurityRiskMember" substitutionGroup="xbrli:item" />
  <element name="InsuranceLinkedAndOtherInstrumentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_InsuranceLinkedAndOtherInstrumentsRiskMember" substitutionGroup="xbrli:item" />
  <element name="IssuerRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_IssuerRiskMember" substitutionGroup="xbrli:item" />
  <element name="LeverageRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_LeverageRiskMember" substitutionGroup="xbrli:item" />
  <element name="LiquidityRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_LiquidityRiskMember" substitutionGroup="xbrli:item" />
  <element name="LoanOriginationRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_LoanOriginationRiskMember" substitutionGroup="xbrli:item" />
  <element name="LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_LoansAndOtherIndebtednessLoanAcquisitionsParticipationsAndAssignmentsRiskMember" substitutionGroup="xbrli:item" />
  <element name="ManagementRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_ManagementRiskMember" substitutionGroup="xbrli:item" />
  <element name="MarketDiscountRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_MarketDiscountRiskMember" substitutionGroup="xbrli:item" />
  <element name="MarketDisruptionsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_MarketDisruptionsRiskMember" substitutionGroup="xbrli:item" />
  <element name="MarketRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_MarketRiskMember" substitutionGroup="xbrli:item" />
  <element name="MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_MortgageRelatedAndOtherAssetBackedInstrumentsRiskMember" substitutionGroup="xbrli:item" />
  <element name="MortgageRelatedDerivativeInstrumentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_MortgageRelatedDerivativeInstrumentsRiskMember" substitutionGroup="xbrli:item" />
  <element name="OperationalRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_OperationalRiskMember" substitutionGroup="xbrli:item" />
  <element name="OtherInvestmentCompaniesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_OtherInvestmentCompaniesRiskMember" substitutionGroup="xbrli:item" />
  <element name="OtherPooledInvestmentVehiclesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_OtherPooledInvestmentVehiclesRiskMember" substitutionGroup="xbrli:item" />
  <element name="PlatformRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_PlatformRiskMember" substitutionGroup="xbrli:item" />
  <element name="PortfolioTurnoverRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_PortfolioTurnoverRiskMember" substitutionGroup="xbrli:item" />
  <element name="PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_PotentialConflictsOfInterestRiskallocationOfInvestmentOpportunitiesMember" substitutionGroup="xbrli:item" />
  <element name="PreferredSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_PreferredSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="PrepaymentRisksMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_PrepaymentRisksMember" substitutionGroup="xbrli:item" />
  <element name="PrivacyAndDataSecurityRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_PrivacyAndDataSecurityRiskMember" substitutionGroup="xbrli:item" />
  <element name="PrivateFundsRiskTaxRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_PrivateFundsRiskTaxRiskMember" substitutionGroup="xbrli:item" />
  <element name="PrivatelyIssuedMortgageRelatedSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_PrivatelyIssuedMortgageRelatedSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="PrivatePlacementsAndRestrictedSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_PrivatePlacementsAndRestrictedSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="PrivateRealEstateInvestmentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_PrivateRealEstateInvestmentsRiskMember" substitutionGroup="xbrli:item" />
  <element name="RealEstateRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_RealEstateRiskMember" substitutionGroup="xbrli:item" />
  <element name="RegulatoryChangesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_RegulatoryChangesRiskMember" substitutionGroup="xbrli:item" />
  <element name="RegulatoryRiskCommodityPoolOperatorMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_RegulatoryRiskCommodityPoolOperatorMember" substitutionGroup="xbrli:item" />
  <element name="ReinvestmentRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_ReinvestmentRiskMember" substitutionGroup="xbrli:item" />
  <element name="ReitRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_ReitRiskMember" substitutionGroup="xbrli:item" />
  <element name="RepurchaseAgreementsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_RepurchaseAgreementsRiskMember" substitutionGroup="xbrli:item" />
  <element name="RiskOfInvestingInChinaMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_RiskOfInvestingInChinaMember" substitutionGroup="xbrli:item" />
  <element name="RiskRetentionInvestmentRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_RiskRetentionInvestmentRiskMember" substitutionGroup="xbrli:item" />
  <element name="SecuritiesLendingRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_SecuritiesLendingRiskMember" substitutionGroup="xbrli:item" />
  <element name="SeniorDebtRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_SeniorDebtRiskMember" substitutionGroup="xbrli:item" />
  <element name="ShortExposureRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_ShortExposureRiskMember" substitutionGroup="xbrli:item" />
  <element name="SmallerCompanyRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_SmallerCompanyRiskMember" substitutionGroup="xbrli:item" />
  <element name="SovereignDebtRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_SovereignDebtRiskMember" substitutionGroup="xbrli:item" />
  <element name="SpecialPurposeAcquisitionCompaniesSPACsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_SpecialPurposeAcquisitionCompaniesSPACsRiskMember" substitutionGroup="xbrli:item" />
  <element name="StructuredInvestmentsRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_StructuredInvestmentsRiskMember" substitutionGroup="xbrli:item" />
  <element name="SubprimeRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_SubprimeRiskMember" substitutionGroup="xbrli:item" />
  <element name="SubsidiaryRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_SubsidiaryRiskMember" substitutionGroup="xbrli:item" />
  <element name="SyntheticConvertibleSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_SyntheticConvertibleSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="TaxRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_TaxRiskMember" substitutionGroup="xbrli:item" />
  <element name="TotalReturnSwapRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_TotalReturnSwapRiskMember" substitutionGroup="xbrli:item" />
  <element name="UseOfDerivativesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_UseOfDerivativesMember" substitutionGroup="xbrli:item" />
  <element name="UsGovernmentSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_UsGovernmentSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="ValuationRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_ValuationRiskMember" substitutionGroup="xbrli:item" />
  <element name="ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_ZerocouponBondsStepupsAndPaymentinkindSecuritiesRiskMember" substitutionGroup="xbrli:item" />
  <element name="CommonSharesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0001510599_CommonSharesMember" substitutionGroup="xbrli:item" />
</schema>
