Index: include/llvm/Target/TargetLowering.h
===================================================================
--- include/llvm/Target/TargetLowering.h
+++ include/llvm/Target/TargetLowering.h
@@ -138,8 +138,7 @@
   }
 
   /// NOTE: The TargetMachine owns TLOF.
-  explicit TargetLoweringBase(const TargetMachine &TM,
-                              const TargetLoweringObjectFile *TLOF);
+  explicit TargetLoweringBase(const TargetMachine &TM);
   virtual ~TargetLoweringBase() {}
 
 protected:
@@ -149,7 +148,9 @@
 public:
   const TargetMachine &getTargetMachine() const { return TM; }
   const DataLayout *getDataLayout() const { return DL; }
-  const TargetLoweringObjectFile &getObjFileLowering() const { return TLOF; }
+  const TargetLoweringObjectFile &getObjFileLowering() const {
+    return *TM.getObjFileLowering();
+  }
 
   bool isBigEndian() const { return !IsLittleEndian; }
   bool isLittleEndian() const { return IsLittleEndian; }
@@ -1554,7 +1555,6 @@
 private:
   const TargetMachine &TM;
   const DataLayout *DL;
-  const TargetLoweringObjectFile &TLOF;
 
   /// True if this is a little endian target.
   bool IsLittleEndian;
@@ -1964,9 +1964,8 @@
   void operator=(const TargetLowering&) LLVM_DELETED_FUNCTION;
 
 public:
-  /// NOTE: The constructor takes ownership of TLOF.
-  explicit TargetLowering(const TargetMachine &TM,
-                          const TargetLoweringObjectFile *TLOF);
+  /// NOTE: The TargetMachine owns TLOF.
+  explicit TargetLowering(const TargetMachine &TM);
 
   /// Returns true by value, base pointer and offset pointer and addressing mode
   /// by reference if the node's address can be legally represented as
Index: lib/CodeGen/SelectionDAG/TargetLowering.cpp
===================================================================
--- lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -35,10 +35,9 @@
 #include <cctype>
 using namespace llvm;
 
-/// NOTE: The constructor takes ownership of TLOF.
-TargetLowering::TargetLowering(const TargetMachine &tm,
-                               const TargetLoweringObjectFile *tlof)
-  : TargetLoweringBase(tm, tlof) {}
+/// NOTE: The TargetMachine owns TLOF.
+TargetLowering::TargetLowering(const TargetMachine &tm)
+  : TargetLoweringBase(tm) {}
 
 const char *TargetLowering::getTargetNodeName(unsigned Opcode) const {
   return nullptr;
Index: lib/CodeGen/TargetLoweringBase.cpp
===================================================================
--- lib/CodeGen/TargetLoweringBase.cpp
+++ lib/CodeGen/TargetLoweringBase.cpp
@@ -694,10 +694,9 @@
   CCs[RTLIB::O_F128] = ISD::SETEQ;
 }
 
-/// NOTE: The constructor takes ownership of TLOF.
-TargetLoweringBase::TargetLoweringBase(const TargetMachine &tm,
-                                       const TargetLoweringObjectFile *tlof)
-    : TM(tm), DL(TM.getSubtargetImpl()->getDataLayout()), TLOF(*tlof) {
+/// NOTE: The TargetMachine owns TLOF.
+TargetLoweringBase::TargetLoweringBase(const TargetMachine &tm)
+    : TM(tm), DL(TM.getSubtargetImpl()->getDataLayout()) {
   initActions();
 
   // Perform these initializations only once.
Index: lib/Target/AArch64/AArch64ISelLowering.cpp
===================================================================
--- lib/Target/AArch64/AArch64ISelLowering.cpp
+++ lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -68,7 +68,7 @@
 
 
 AArch64TargetLowering::AArch64TargetLowering(const TargetMachine &TM)
-    : TargetLowering(TM, TM.getObjFileLowering()) {
+    : TargetLowering(TM) {
   Subtarget = &TM.getSubtarget<AArch64Subtarget>();
 
   // AArch64 doesn't have comparisons which set GPRs or setcc instructions, so
Index: lib/Target/ARM/ARMISelLowering.cpp
===================================================================
--- lib/Target/ARM/ARMISelLowering.cpp
+++ lib/Target/ARM/ARMISelLowering.cpp
@@ -157,7 +157,7 @@
 }
 
 ARMTargetLowering::ARMTargetLowering(const TargetMachine &TM)
-    : TargetLowering(TM, TM.getObjFileLowering()) {
+    : TargetLowering(TM) {
   Subtarget = &TM.getSubtarget<ARMSubtarget>();
   RegInfo = TM.getSubtargetImpl()->getRegisterInfo();
   Itins = TM.getSubtargetImpl()->getInstrItineraryData();
Index: lib/Target/Hexagon/HexagonISelLowering.cpp
===================================================================
--- lib/Target/Hexagon/HexagonISelLowering.cpp
+++ lib/Target/Hexagon/HexagonISelLowering.cpp
@@ -1043,7 +1043,7 @@
 //===----------------------------------------------------------------------===//
 
 HexagonTargetLowering::HexagonTargetLowering(const TargetMachine &targetmachine)
-    : TargetLowering(targetmachine, targetmachine.getObjFileLowering()),
+    : TargetLowering(targetmachine),
       TM(targetmachine) {
 
   const HexagonSubtarget &Subtarget = TM.getSubtarget<HexagonSubtarget>();
Index: lib/Target/MSP430/MSP430ISelLowering.cpp
===================================================================
--- lib/Target/MSP430/MSP430ISelLowering.cpp
+++ lib/Target/MSP430/MSP430ISelLowering.cpp
@@ -58,7 +58,7 @@
              clEnumValEnd));
 
 MSP430TargetLowering::MSP430TargetLowering(const TargetMachine &TM)
-    : TargetLowering(TM, TM.getObjFileLowering()) {
+    : TargetLowering(TM) {
 
   // Set up the register classes.
   addRegisterClass(MVT::i8,  &MSP430::GR8RegClass);
Index: lib/Target/Mips/MipsISelLowering.cpp
===================================================================
--- lib/Target/Mips/MipsISelLowering.cpp
+++ lib/Target/Mips/MipsISelLowering.cpp
@@ -203,7 +203,7 @@
 
 MipsTargetLowering::MipsTargetLowering(const MipsTargetMachine &TM,
                                        const MipsSubtarget &STI)
-    : TargetLowering(TM, TM.getObjFileLowering()), Subtarget(STI) {
+    : TargetLowering(TM), Subtarget(STI) {
   // Mips does not have i1 type, so use i32 for
   // setcc operations results (slt, sgt, ...).
   setBooleanContents(ZeroOrOneBooleanContent);
Index: lib/Target/NVPTX/NVPTXISelLowering.cpp
===================================================================
--- lib/Target/NVPTX/NVPTXISelLowering.cpp
+++ lib/Target/NVPTX/NVPTXISelLowering.cpp
@@ -107,7 +107,7 @@
 
 // NVPTXTargetLowering Constructor.
 NVPTXTargetLowering::NVPTXTargetLowering(const NVPTXTargetMachine &TM)
-    : TargetLowering(TM, TM.getObjFileLowering()), nvTM(&TM),
+    : TargetLowering(TM), nvTM(&TM),
       nvptxSubtarget(TM.getSubtarget<NVPTXSubtarget>()) {
 
   // always lower memset, memcpy, and memmove intrinsics to load/store
Index: lib/Target/PowerPC/PPCISelLowering.cpp
===================================================================
--- lib/Target/PowerPC/PPCISelLowering.cpp
+++ lib/Target/PowerPC/PPCISelLowering.cpp
@@ -56,7 +56,7 @@
 extern cl::opt<bool> ANDIGlueBug;
 
 PPCTargetLowering::PPCTargetLowering(const PPCTargetMachine &TM)
-    : TargetLowering(TM, TM.getObjFileLowering()),
+    : TargetLowering(TM),
       Subtarget(*TM.getSubtargetImpl()) {
   setPow2SDivIsCheap();
 
Index: lib/Target/R600/AMDGPUISelLowering.cpp
===================================================================
--- lib/Target/R600/AMDGPUISelLowering.cpp
+++ lib/Target/R600/AMDGPUISelLowering.cpp
@@ -103,7 +103,7 @@
 }
 
 AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
-  TargetLowering(TM, TM.getObjFileLowering()) {
+  TargetLowering(TM) {
 
   Subtarget = &TM.getSubtarget<AMDGPUSubtarget>();
 
Index: lib/Target/Sparc/SparcISelLowering.cpp
===================================================================
--- lib/Target/Sparc/SparcISelLowering.cpp
+++ lib/Target/Sparc/SparcISelLowering.cpp
@@ -1366,7 +1366,7 @@
 }
 
 SparcTargetLowering::SparcTargetLowering(TargetMachine &TM)
-  : TargetLowering(TM, TM.getObjFileLowering()) {
+  : TargetLowering(TM) {
   Subtarget = &TM.getSubtarget<SparcSubtarget>();
 
   // Set up the register classes.
Index: lib/Target/SystemZ/SystemZISelLowering.cpp
===================================================================
--- lib/Target/SystemZ/SystemZISelLowering.cpp
+++ lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -81,7 +81,7 @@
 }
 
 SystemZTargetLowering::SystemZTargetLowering(const TargetMachine &tm)
-    : TargetLowering(tm, tm.getObjFileLowering()),
+    : TargetLowering(tm),
       Subtarget(tm.getSubtarget<SystemZSubtarget>()) {
   MVT PtrVT = getPointerTy();
 
Index: lib/Target/X86/X86ISelLowering.cpp
===================================================================
--- lib/Target/X86/X86ISelLowering.cpp
+++ lib/Target/X86/X86ISelLowering.cpp
@@ -202,7 +202,7 @@
 // FIXME: This should stop caching the target machine as soon as
 // we can remove resetOperationActions et al.
 X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM)
-    : TargetLowering(TM, TM.getObjFileLowering()) {
+    : TargetLowering(TM) {
   Subtarget = &TM.getSubtarget<X86Subtarget>();
   X86ScalarSSEf64 = Subtarget->hasSSE2();
   X86ScalarSSEf32 = Subtarget->hasSSE1();
Index: lib/Target/XCore/XCoreISelLowering.cpp
===================================================================
--- lib/Target/XCore/XCoreISelLowering.cpp
+++ lib/Target/XCore/XCoreISelLowering.cpp
@@ -69,7 +69,7 @@
 }
 
 XCoreTargetLowering::XCoreTargetLowering(const TargetMachine &TM)
-    : TargetLowering(TM, TM.getObjFileLowering()), TM(TM),
+    : TargetLowering(TM), TM(TM),
       Subtarget(TM.getSubtarget<XCoreSubtarget>()) {
 
   // Set up the register classes.