diff --git a/include/llvm/Analysis/TargetTransformInfo.h b/include/llvm/Analysis/TargetTransformInfo.h
index bb6e266b1f5..01f00896410 100644
--- a/include/llvm/Analysis/TargetTransformInfo.h
+++ b/include/llvm/Analysis/TargetTransformInfo.h
@@ -69,7 +69,7 @@ public:
   ///
   /// The TTI implementation will reflect the information in the DataLayout
   /// provided if non-null.
-  explicit TargetTransformInfo(const DataLayout *DL);
+  explicit TargetTransformInfo(const DataLayout &DL);
 
   // Provide move semantics.
   TargetTransformInfo(TargetTransformInfo &&Arg);
@@ -541,7 +541,7 @@ private:
 class TargetTransformInfo::Concept {
 public:
   virtual ~Concept() = 0;
-
+  virtual const DataLayout &getDataLayout() const = 0;
   virtual unsigned getOperationCost(unsigned Opcode, Type *Ty, Type *OpTy) = 0;
   virtual unsigned getGEPCost(const Value *Ptr,
                               ArrayRef<const Value *> Operands) = 0;
@@ -636,6 +636,10 @@ public:
   Model(T Impl) : Impl(std::move(Impl)) {}
   ~Model() override {}
 
+  const DataLayout &getDataLayout() const override {
+    return Impl.getDataLayout();
+  }
+
   unsigned getOperationCost(unsigned Opcode, Type *Ty, Type *OpTy) override {
     return Impl.getOperationCost(Opcode, Ty, OpTy);
   }
diff --git a/include/llvm/Analysis/TargetTransformInfoImpl.h b/include/llvm/Analysis/TargetTransformInfoImpl.h
index 403175acae0..035cb04870a 100644
--- a/include/llvm/Analysis/TargetTransformInfoImpl.h
+++ b/include/llvm/Analysis/TargetTransformInfoImpl.h
@@ -30,26 +30,17 @@ class TargetTransformInfoImplBase {
 protected:
   typedef TargetTransformInfo TTI;
 
-  const DataLayout *DL;
+  const DataLayout &DL;
 
-  explicit TargetTransformInfoImplBase(const DataLayout *DL)
-      : DL(DL) {}
+  explicit TargetTransformInfoImplBase(const DataLayout &DL) : DL(DL) {}
 
 public:
   // Provide value semantics. MSVC requires that we spell all of these out.
   TargetTransformInfoImplBase(const TargetTransformInfoImplBase &Arg)
       : DL(Arg.DL) {}
-  TargetTransformInfoImplBase(TargetTransformInfoImplBase &&Arg)
-      : DL(std::move(Arg.DL)) {}
-  TargetTransformInfoImplBase &
-  operator=(const TargetTransformInfoImplBase &RHS) {
-    DL = RHS.DL;
-    return *this;
-  }
-  TargetTransformInfoImplBase &operator=(TargetTransformInfoImplBase &&RHS) {
-    DL = std::move(RHS.DL);
-    return *this;
-  }
+  TargetTransformInfoImplBase(TargetTransformInfoImplBase &&Arg) : DL(Arg.DL) {}
+
+  const DataLayout &getDataLayout() const { return DL; }
 
   unsigned getOperationCost(unsigned Opcode, Type *Ty, Type *OpTy) {
     switch (Opcode) {
@@ -70,28 +61,22 @@ public:
       return TTI::TCC_Basic;
 
     case Instruction::IntToPtr: {
-      if (!DL)
-        return TTI::TCC_Basic;
-
       // An inttoptr cast is free so long as the input is a legal integer type
       // which doesn't contain values outside the range of a pointer.
       unsigned OpSize = OpTy->getScalarSizeInBits();
-      if (DL->isLegalInteger(OpSize) &&
-          OpSize <= DL->getPointerTypeSizeInBits(Ty))
+      if (DL.isLegalInteger(OpSize) &&
+          OpSize <= DL.getPointerTypeSizeInBits(Ty))
         return TTI::TCC_Free;
 
       // Otherwise it's not a no-op.
       return TTI::TCC_Basic;
     }
     case Instruction::PtrToInt: {
-      if (!DL)
-        return TTI::TCC_Basic;
-
       // A ptrtoint cast is free so long as the result is large enough to store
       // the pointer, and a legal integer type.
       unsigned DestSize = Ty->getScalarSizeInBits();
-      if (DL->isLegalInteger(DestSize) &&
-          DestSize >= DL->getPointerTypeSizeInBits(OpTy))
+      if (DL.isLegalInteger(DestSize) &&
+          DestSize >= DL.getPointerTypeSizeInBits(OpTy))
         return TTI::TCC_Free;
 
       // Otherwise it's not a no-op.
@@ -100,7 +85,7 @@ public:
     case Instruction::Trunc:
       // trunc to a native type is free (assuming the target has compare and
       // shift-right of the same width).
-      if (DL && DL->isLegalInteger(DL->getTypeSizeInBits(Ty)))
+      if (DL.isLegalInteger(DL.getTypeSizeInBits(Ty)))
         return TTI::TCC_Free;
 
       return TTI::TCC_Basic;
@@ -353,8 +338,7 @@ private:
   typedef TargetTransformInfoImplBase BaseT;
 
 protected:
-  explicit TargetTransformInfoImplCRTPBase(const DataLayout *DL)
-      : BaseT(DL) {}
+  explicit TargetTransformInfoImplCRTPBase(const DataLayout &DL) : BaseT(DL) {}
 
 public:
   // Provide value semantics. MSVC requires that we spell all of these out.
@@ -362,16 +346,6 @@ public:
       : BaseT(static_cast<const BaseT &>(Arg)) {}
   TargetTransformInfoImplCRTPBase(TargetTransformInfoImplCRTPBase &&Arg)
       : BaseT(std::move(static_cast<BaseT &>(Arg))) {}
-  TargetTransformInfoImplCRTPBase &
-  operator=(const TargetTransformInfoImplCRTPBase &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    return *this;
-  }
-  TargetTransformInfoImplCRTPBase &
-  operator=(TargetTransformInfoImplCRTPBase &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    return *this;
-  }
 
   using BaseT::getCallCost;
 
diff --git a/include/llvm/CodeGen/BasicTTIImpl.h b/include/llvm/CodeGen/BasicTTIImpl.h
index 3e464f4f1e5..8d116d152f2 100644
--- a/include/llvm/CodeGen/BasicTTIImpl.h
+++ b/include/llvm/CodeGen/BasicTTIImpl.h
@@ -91,8 +91,8 @@ private:
   }
 
 protected:
-  explicit BasicTTIImplBase(const TargetMachine *TM)
-      : BaseT(TM->getDataLayout()) {}
+  explicit BasicTTIImplBase(const TargetMachine *TM, const DataLayout &DL)
+      : BaseT(DL) {}
 
 public:
   // Provide value semantics. MSVC requires that we spell all of these out.
@@ -100,14 +100,6 @@ public:
       : BaseT(static_cast<const BaseT &>(Arg)) {}
   BasicTTIImplBase(BasicTTIImplBase &&Arg)
       : BaseT(std::move(static_cast<BaseT &>(Arg))) {}
-  BasicTTIImplBase &operator=(const BasicTTIImplBase &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    return *this;
-  }
-  BasicTTIImplBase &operator=(BasicTTIImplBase &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    return *this;
-  }
 
   /// \name Scalar TTI Implementations
   /// @{
@@ -816,18 +808,6 @@ public:
   BasicTTIImpl(BasicTTIImpl &&Arg)
       : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
         TLI(std::move(Arg.TLI)) {}
-  BasicTTIImpl &operator=(const BasicTTIImpl &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    ST = RHS.ST;
-    TLI = RHS.TLI;
-    return *this;
-  }
-  BasicTTIImpl &operator=(BasicTTIImpl &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    ST = std::move(RHS.ST);
-    TLI = std::move(RHS.TLI);
-    return *this;
-  }
 };
 
 }
diff --git a/lib/Analysis/TargetTransformInfo.cpp b/lib/Analysis/TargetTransformInfo.cpp
index 520d1e5ef87..7d1c3fbef68 100644
--- a/lib/Analysis/TargetTransformInfo.cpp
+++ b/lib/Analysis/TargetTransformInfo.cpp
@@ -28,12 +28,12 @@ namespace {
 ///
 /// This is used when no target specific information is available.
 struct NoTTIImpl : TargetTransformInfoImplCRTPBase<NoTTIImpl> {
-  explicit NoTTIImpl(const DataLayout *DL)
+  explicit NoTTIImpl(const DataLayout &DL)
       : TargetTransformInfoImplCRTPBase<NoTTIImpl>(DL) {}
 };
 }
 
-TargetTransformInfo::TargetTransformInfo(const DataLayout *DL)
+TargetTransformInfo::TargetTransformInfo(const DataLayout &DL)
     : TTIImpl(new Model<NoTTIImpl>(NoTTIImpl(DL))) {}
 
 TargetTransformInfo::~TargetTransformInfo() {}
@@ -304,7 +304,7 @@ TargetIRAnalysis::Result TargetIRAnalysis::run(Function &F) {
 char TargetIRAnalysis::PassID;
 
 TargetIRAnalysis::Result TargetIRAnalysis::getDefaultTTI(Function &F) {
-  return Result(&F.getParent()->getDataLayout());
+  return Result(F.getParent()->getDataLayout());
 }
 
 // Register the basic pass.
diff --git a/lib/CodeGen/BasicTargetTransformInfo.cpp b/lib/CodeGen/BasicTargetTransformInfo.cpp
index 82f5c482408..db00910cd01 100644
--- a/lib/CodeGen/BasicTargetTransformInfo.cpp
+++ b/lib/CodeGen/BasicTargetTransformInfo.cpp
@@ -34,4 +34,5 @@ cl::opt<unsigned>
                                     cl::Hidden);
 
 BasicTTIImpl::BasicTTIImpl(const TargetMachine *TM, Function &F)
-    : BaseT(TM), ST(TM->getSubtargetImpl(F)), TLI(ST->getTargetLowering()) {}
+    : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
+      TLI(ST->getTargetLowering()) {}
diff --git a/lib/Target/AArch64/AArch64TargetTransformInfo.h b/lib/Target/AArch64/AArch64TargetTransformInfo.h
index 4dabdadd8ee..444d3ccc15e 100644
--- a/lib/Target/AArch64/AArch64TargetTransformInfo.h
+++ b/lib/Target/AArch64/AArch64TargetTransformInfo.h
@@ -31,7 +31,6 @@ class AArch64TTIImpl : public BasicTTIImplBase<AArch64TTIImpl> {
   typedef TargetTransformInfo TTI;
   friend BaseT;
 
-  const AArch64TargetMachine *TM;
   const AArch64Subtarget *ST;
   const AArch64TargetLowering *TLI;
 
@@ -50,30 +49,15 @@ class AArch64TTIImpl : public BasicTTIImplBase<AArch64TTIImpl> {
 
 public:
   explicit AArch64TTIImpl(const AArch64TargetMachine *TM, Function &F)
-      : BaseT(TM), TM(TM), ST(TM->getSubtargetImpl(F)),
+      : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
         TLI(ST->getTargetLowering()) {}
 
   // Provide value semantics. MSVC requires that we spell all of these out.
   AArch64TTIImpl(const AArch64TTIImpl &Arg)
-      : BaseT(static_cast<const BaseT &>(Arg)), TM(Arg.TM), ST(Arg.ST),
-        TLI(Arg.TLI) {}
+      : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
   AArch64TTIImpl(AArch64TTIImpl &&Arg)
-      : BaseT(std::move(static_cast<BaseT &>(Arg))), TM(std::move(Arg.TM)),
-        ST(std::move(Arg.ST)), TLI(std::move(Arg.TLI)) {}
-  AArch64TTIImpl &operator=(const AArch64TTIImpl &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    TM = RHS.TM;
-    ST = RHS.ST;
-    TLI = RHS.TLI;
-    return *this;
-  }
-  AArch64TTIImpl &operator=(AArch64TTIImpl &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    TM = std::move(RHS.TM);
-    ST = std::move(RHS.ST);
-    TLI = std::move(RHS.TLI);
-    return *this;
-  }
+      : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
+        TLI(std::move(Arg.TLI)) {}
 
   /// \name Scalar TTI Implementations
   /// @{
diff --git a/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp b/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
index f3955659d93..393f32ec0d2 100644
--- a/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
+++ b/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
@@ -156,8 +156,10 @@ public:
 } // End of anonymous namespace
 
 TargetIRAnalysis AMDGPUTargetMachine::getTargetIRAnalysis() {
-  return TargetIRAnalysis(
-      [this](Function &F) { return TargetTransformInfo(AMDGPUTTIImpl(this)); });
+  return TargetIRAnalysis([this](Function &F) {
+    return TargetTransformInfo(
+        AMDGPUTTIImpl(this, F.getParent()->getDataLayout()));
+  });
 }
 
 void AMDGPUPassConfig::addIRPasses() {
diff --git a/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.h b/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.h
index 791c84e6f28..dee0a69d1e6 100644
--- a/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.h
+++ b/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.h
@@ -37,8 +37,9 @@ class AMDGPUTTIImpl : public BasicTTIImplBase<AMDGPUTTIImpl> {
   const AMDGPUTargetLowering *getTLI() const { return TLI; }
 
 public:
-  explicit AMDGPUTTIImpl(const AMDGPUTargetMachine *TM)
-      : BaseT(TM), ST(TM->getSubtargetImpl()), TLI(ST->getTargetLowering()) {}
+  explicit AMDGPUTTIImpl(const AMDGPUTargetMachine *TM, const DataLayout &DL)
+      : BaseT(TM, DL), ST(TM->getSubtargetImpl()),
+        TLI(ST->getTargetLowering()) {}
 
   // Provide value semantics. MSVC requires that we spell all of these out.
   AMDGPUTTIImpl(const AMDGPUTTIImpl &Arg)
@@ -46,18 +47,6 @@ public:
   AMDGPUTTIImpl(AMDGPUTTIImpl &&Arg)
       : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
         TLI(std::move(Arg.TLI)) {}
-  AMDGPUTTIImpl &operator=(const AMDGPUTTIImpl &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    ST = RHS.ST;
-    TLI = RHS.TLI;
-    return *this;
-  }
-  AMDGPUTTIImpl &operator=(AMDGPUTTIImpl &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    ST = std::move(RHS.ST);
-    TLI = std::move(RHS.TLI);
-    return *this;
-  }
 
   bool hasBranchDivergence() { return true; }
 
diff --git a/lib/Target/ARM/ARMTargetTransformInfo.cpp b/lib/Target/ARM/ARMTargetTransformInfo.cpp
index f4901fc24e4..5c672d822de 100644
--- a/lib/Target/ARM/ARMTargetTransformInfo.cpp
+++ b/lib/Target/ARM/ARMTargetTransformInfo.cpp
@@ -488,12 +488,12 @@ unsigned ARMTTIImpl::getInterleavedMemoryOpCost(unsigned Opcode, Type *VecTy,
   assert(isa<VectorType>(VecTy) && "Expect a vector type");
 
   // vldN/vstN doesn't support vector types of i64/f64 element.
-  bool EltIs64Bits = DL->getTypeAllocSizeInBits(VecTy->getScalarType()) == 64;
+  bool EltIs64Bits = DL.getTypeAllocSizeInBits(VecTy->getScalarType()) == 64;
 
   if (Factor <= TLI->getMaxSupportedInterleaveFactor() && !EltIs64Bits) {
     unsigned NumElts = VecTy->getVectorNumElements();
     Type *SubVecTy = VectorType::get(VecTy->getScalarType(), NumElts / Factor);
-    unsigned SubVecSize = TLI->getDataLayout()->getTypeAllocSize(SubVecTy);
+    unsigned SubVecSize = DL.getTypeAllocSize(SubVecTy);
 
     // vldN/vstN only support legal vector types of size 64 or 128 in bits.
     if (NumElts % Factor == 0 && (SubVecSize == 64 || SubVecSize == 128))
diff --git a/lib/Target/ARM/ARMTargetTransformInfo.h b/lib/Target/ARM/ARMTargetTransformInfo.h
index f2e5db655cc..84f256f7372 100644
--- a/lib/Target/ARM/ARMTargetTransformInfo.h
+++ b/lib/Target/ARM/ARMTargetTransformInfo.h
@@ -42,7 +42,8 @@ class ARMTTIImpl : public BasicTTIImplBase<ARMTTIImpl> {
 
 public:
   explicit ARMTTIImpl(const ARMBaseTargetMachine *TM, Function &F)
-      : BaseT(TM), ST(TM->getSubtargetImpl(F)), TLI(ST->getTargetLowering()) {}
+      : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
+        TLI(ST->getTargetLowering()) {}
 
   // Provide value semantics. MSVC requires that we spell all of these out.
   ARMTTIImpl(const ARMTTIImpl &Arg)
@@ -50,18 +51,6 @@ public:
   ARMTTIImpl(ARMTTIImpl &&Arg)
       : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
         TLI(std::move(Arg.TLI)) {}
-  ARMTTIImpl &operator=(const ARMTTIImpl &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    ST = RHS.ST;
-    TLI = RHS.TLI;
-    return *this;
-  }
-  ARMTTIImpl &operator=(ARMTTIImpl &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    ST = std::move(RHS.ST);
-    TLI = std::move(RHS.TLI);
-    return *this;
-  }
 
   /// \name Scalar TTI Implementations
   /// @{
diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 266e0a4bf3d..1c77745d130 100644
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -237,7 +237,7 @@ TargetIRAnalysis MipsTargetMachine::getTargetIRAnalysis() {
     if (Subtarget->allowMixed16_32()) {
       DEBUG(errs() << "No Target Transform Info Pass Added\n");
       // FIXME: This is no longer necessary as the TTI returned is per-function.
-      return TargetTransformInfo(getDataLayout());
+      return TargetTransformInfo(F.getParent()->getDataLayout());
     }
 
     DEBUG(errs() << "Target Transform Info Pass Added\n");
diff --git a/lib/Target/NVPTX/NVPTXTargetMachine.cpp b/lib/Target/NVPTX/NVPTXTargetMachine.cpp
index 9d9072efc38..248f9e117d8 100644
--- a/lib/Target/NVPTX/NVPTXTargetMachine.cpp
+++ b/lib/Target/NVPTX/NVPTXTargetMachine.cpp
@@ -148,8 +148,9 @@ TargetPassConfig *NVPTXTargetMachine::createPassConfig(PassManagerBase &PM) {
 }
 
 TargetIRAnalysis NVPTXTargetMachine::getTargetIRAnalysis() {
-  return TargetIRAnalysis(
-      [this](Function &) { return TargetTransformInfo(NVPTXTTIImpl(this)); });
+  return TargetIRAnalysis([this](Function &F) {
+    return TargetTransformInfo(NVPTXTTIImpl(this, F));
+  });
 }
 
 void NVPTXPassConfig::addIRPasses() {
diff --git a/lib/Target/NVPTX/NVPTXTargetTransformInfo.h b/lib/Target/NVPTX/NVPTXTargetTransformInfo.h
index 4280888988f..c8a855ae8b0 100644
--- a/lib/Target/NVPTX/NVPTXTargetTransformInfo.h
+++ b/lib/Target/NVPTX/NVPTXTargetTransformInfo.h
@@ -37,8 +37,9 @@ class NVPTXTTIImpl : public BasicTTIImplBase<NVPTXTTIImpl> {
   const NVPTXTargetLowering *getTLI() const { return TLI; };
 
 public:
-  explicit NVPTXTTIImpl(const NVPTXTargetMachine *TM)
-      : BaseT(TM), ST(TM->getSubtargetImpl()), TLI(ST->getTargetLowering()) {}
+  explicit NVPTXTTIImpl(const NVPTXTargetMachine *TM, const Function &F)
+      : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl()),
+        TLI(ST->getTargetLowering()) {}
 
   // Provide value semantics. MSVC requires that we spell all of these out.
   NVPTXTTIImpl(const NVPTXTTIImpl &Arg)
@@ -46,18 +47,6 @@ public:
   NVPTXTTIImpl(NVPTXTTIImpl &&Arg)
       : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
         TLI(std::move(Arg.TLI)) {}
-  NVPTXTTIImpl &operator=(const NVPTXTTIImpl &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    ST = RHS.ST;
-    TLI = RHS.TLI;
-    return *this;
-  }
-  NVPTXTTIImpl &operator=(NVPTXTTIImpl &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    ST = std::move(RHS.ST);
-    TLI = std::move(RHS.TLI);
-    return *this;
-  }
 
   bool hasBranchDivergence() { return true; }
 
diff --git a/lib/Target/PowerPC/PPCTargetTransformInfo.h b/lib/Target/PowerPC/PPCTargetTransformInfo.h
index 35e7a1497c8..368bef93f0d 100644
--- a/lib/Target/PowerPC/PPCTargetTransformInfo.h
+++ b/lib/Target/PowerPC/PPCTargetTransformInfo.h
@@ -38,7 +38,8 @@ class PPCTTIImpl : public BasicTTIImplBase<PPCTTIImpl> {
 
 public:
   explicit PPCTTIImpl(const PPCTargetMachine *TM, Function &F)
-      : BaseT(TM), ST(TM->getSubtargetImpl(F)), TLI(ST->getTargetLowering()) {}
+      : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
+        TLI(ST->getTargetLowering()) {}
 
   // Provide value semantics. MSVC requires that we spell all of these out.
   PPCTTIImpl(const PPCTTIImpl &Arg)
@@ -46,18 +47,6 @@ public:
   PPCTTIImpl(PPCTTIImpl &&Arg)
       : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
         TLI(std::move(Arg.TLI)) {}
-  PPCTTIImpl &operator=(const PPCTTIImpl &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    ST = RHS.ST;
-    TLI = RHS.TLI;
-    return *this;
-  }
-  PPCTTIImpl &operator=(PPCTTIImpl &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    ST = std::move(RHS.ST);
-    TLI = std::move(RHS.TLI);
-    return *this;
-  }
 
   /// \name Scalar TTI Implementations
   /// @{
diff --git a/lib/Target/SystemZ/SystemZTargetTransformInfo.h b/lib/Target/SystemZ/SystemZTargetTransformInfo.h
index e9cabe968ee..4b80973ed87 100644
--- a/lib/Target/SystemZ/SystemZTargetTransformInfo.h
+++ b/lib/Target/SystemZ/SystemZTargetTransformInfo.h
@@ -29,7 +29,8 @@ class SystemZTTIImpl : public BasicTTIImplBase<SystemZTTIImpl> {
 
 public:
   explicit SystemZTTIImpl(const SystemZTargetMachine *TM, Function &F)
-    : BaseT(TM), ST(TM->getSubtargetImpl(F)), TLI(ST->getTargetLowering()) {}
+      : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
+        TLI(ST->getTargetLowering()) {}
 
   // Provide value semantics. MSVC requires that we spell all of these out.
   SystemZTTIImpl(const SystemZTTIImpl &Arg)
@@ -37,18 +38,6 @@ public:
   SystemZTTIImpl(SystemZTTIImpl &&Arg)
       : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
         TLI(std::move(Arg.TLI)) {}
-  SystemZTTIImpl &operator=(const SystemZTTIImpl &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    ST = RHS.ST;
-    TLI = RHS.TLI;
-    return *this;
-  }
-  SystemZTTIImpl &operator=(SystemZTTIImpl &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    ST = std::move(RHS.ST);
-    TLI = std::move(RHS.TLI);
-    return *this;
-  }
 
   /// \name Scalar TTI Implementations
   /// @{
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index 0b05303f71b..83174c20c8e 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -150,8 +150,9 @@ void TargetMachine::setOptLevel(CodeGenOpt::Level Level) const {
 }
 
 TargetIRAnalysis TargetMachine::getTargetIRAnalysis() {
-  return TargetIRAnalysis(
-      [this](Function &) { return TargetTransformInfo(getDataLayout()); });
+  return TargetIRAnalysis([this](Function &F) {
+    return TargetTransformInfo(F.getParent()->getDataLayout());
+  });
 }
 
 static bool canUsePrivateLabel(const MCAsmInfo &AsmInfo,
diff --git a/lib/Target/X86/X86TargetTransformInfo.h b/lib/Target/X86/X86TargetTransformInfo.h
index a8315844019..da3f36c2e27 100644
--- a/lib/Target/X86/X86TargetTransformInfo.h
+++ b/lib/Target/X86/X86TargetTransformInfo.h
@@ -40,7 +40,8 @@ class X86TTIImpl : public BasicTTIImplBase<X86TTIImpl> {
 
 public:
   explicit X86TTIImpl(const X86TargetMachine *TM, Function &F)
-      : BaseT(TM), ST(TM->getSubtargetImpl(F)), TLI(ST->getTargetLowering()) {}
+      : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
+        TLI(ST->getTargetLowering()) {}
 
   // Provide value semantics. MSVC requires that we spell all of these out.
   X86TTIImpl(const X86TTIImpl &Arg)
@@ -48,18 +49,6 @@ public:
   X86TTIImpl(X86TTIImpl &&Arg)
       : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
         TLI(std::move(Arg.TLI)) {}
-  X86TTIImpl &operator=(const X86TTIImpl &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    ST = RHS.ST;
-    TLI = RHS.TLI;
-    return *this;
-  }
-  X86TTIImpl &operator=(X86TTIImpl &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    ST = std::move(RHS.ST);
-    TLI = std::move(RHS.TLI);
-    return *this;
-  }
 
   /// \name Scalar TTI Implementations
   /// @{
diff --git a/lib/Target/XCore/XCoreTargetMachine.cpp b/lib/Target/XCore/XCoreTargetMachine.cpp
index 370b64b2668..f420081868f 100644
--- a/lib/Target/XCore/XCoreTargetMachine.cpp
+++ b/lib/Target/XCore/XCoreTargetMachine.cpp
@@ -85,6 +85,7 @@ extern "C" void LLVMInitializeXCoreTarget() {
 }
 
 TargetIRAnalysis XCoreTargetMachine::getTargetIRAnalysis() {
-  return TargetIRAnalysis(
-      [this](Function &) { return TargetTransformInfo(XCoreTTIImpl(this)); });
+  return TargetIRAnalysis([this](Function &F) {
+    return TargetTransformInfo(XCoreTTIImpl(this, F));
+  });
 }
diff --git a/lib/Target/XCore/XCoreTargetTransformInfo.h b/lib/Target/XCore/XCoreTargetTransformInfo.h
index 70b47dfa115..e23aef3e3b4 100644
--- a/lib/Target/XCore/XCoreTargetTransformInfo.h
+++ b/lib/Target/XCore/XCoreTargetTransformInfo.h
@@ -37,8 +37,9 @@ class XCoreTTIImpl : public BasicTTIImplBase<XCoreTTIImpl> {
   const XCoreTargetLowering *getTLI() const { return TLI; }
 
 public:
-  explicit XCoreTTIImpl(const XCoreTargetMachine *TM)
-      : BaseT(TM), ST(TM->getSubtargetImpl()), TLI(ST->getTargetLowering()) {}
+  explicit XCoreTTIImpl(const XCoreTargetMachine *TM, Function &F)
+      : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl()),
+        TLI(ST->getTargetLowering()) {}
 
   // Provide value semantics. MSVC requires that we spell all of these out.
   XCoreTTIImpl(const XCoreTTIImpl &Arg)
@@ -46,18 +47,6 @@ public:
   XCoreTTIImpl(XCoreTTIImpl &&Arg)
       : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
         TLI(std::move(Arg.TLI)) {}
-  XCoreTTIImpl &operator=(const XCoreTTIImpl &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    ST = RHS.ST;
-    TLI = RHS.TLI;
-    return *this;
-  }
-  XCoreTTIImpl &operator=(XCoreTTIImpl &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    ST = std::move(RHS.ST);
-    TLI = std::move(RHS.TLI);
-    return *this;
-  }
 
   unsigned getNumberOfRegisters(bool Vector) {
     if (Vector) {