diff --git a/llvm/lib/Analysis/AliasAnalysis.cpp b/llvm/lib/Analysis/AliasAnalysis.cpp
--- a/llvm/lib/Analysis/AliasAnalysis.cpp
+++ b/llvm/lib/Analysis/AliasAnalysis.cpp
@@ -73,7 +73,7 @@
 static const bool EnableAATrace = false;
 #endif

-AAResults::AAResults(AAResults &&Arg)
+AAResults::AAResults(AAResults &&Arg) noexcept
     : TLI(Arg.TLI), AAs(std::move(Arg.AAs)), AADeps(std::move(Arg.AADeps)) {}

 AAResults::~AAResults() {}
diff --git a/llvm/lib/Analysis/BlockFrequencyInfo.cpp b/llvm/lib/Analysis/BlockFrequencyInfo.cpp
--- a/llvm/lib/Analysis/BlockFrequencyInfo.cpp
+++ b/llvm/lib/Analysis/BlockFrequencyInfo.cpp
@@ -158,10 +158,11 @@
   calculate(F, BPI, LI);
 }

-BlockFrequencyInfo::BlockFrequencyInfo(BlockFrequencyInfo &&Arg)
+BlockFrequencyInfo::BlockFrequencyInfo(BlockFrequencyInfo &&Arg) noexcept
     : BFI(std::move(Arg.BFI)) {}

-BlockFrequencyInfo &BlockFrequencyInfo::operator=(BlockFrequencyInfo &&RHS) {
+BlockFrequencyInfo &
+BlockFrequencyInfo::operator=(BlockFrequencyInfo &&RHS) noexcept {
   releaseMemory();
   BFI = std::move(RHS.BFI);
   return *this;
diff --git a/llvm/lib/Analysis/CallGraph.cpp b/llvm/lib/Analysis/CallGraph.cpp
--- a/llvm/lib/Analysis/CallGraph.cpp
+++ b/llvm/lib/Analysis/CallGraph.cpp
@@ -38,7 +38,7 @@
       addToCallGraph(&F);
 }

-CallGraph::CallGraph(CallGraph &&Arg)
+CallGraph::CallGraph(CallGraph &&Arg) noexcept
     : M(Arg.M), FunctionMap(std::move(Arg.FunctionMap)),
       ExternalCallingNode(Arg.ExternalCallingNode),
       CallsExternalNode(std::move(Arg.CallsExternalNode)) {
diff --git a/llvm/lib/Analysis/DDG.cpp b/llvm/lib/Analysis/DDG.cpp
--- a/llvm/lib/Analysis/DDG.cpp
+++ b/llvm/lib/Analysis/DDG.cpp
@@ -117,7 +117,7 @@
          "constructing from invalid simple node.");
 }

-SimpleDDGNode::SimpleDDGNode(SimpleDDGNode &&N)
+SimpleDDGNode::SimpleDDGNode(SimpleDDGNode &&N) noexcept
     : DDGNode(std::move(N)), InstList(std::move(N.InstList)) {
   assert(((getKind() == NodeKind::SingleInstruction && InstList.size() == 1) ||
           (getKind() == NodeKind::MultiInstruction && InstList.size() > 1)) &&
@@ -141,7 +141,7 @@
          "constructing from invalid pi-block node.");
 }

-PiBlockDDGNode::PiBlockDDGNode(PiBlockDDGNode &&N)
+PiBlockDDGNode::PiBlockDDGNode(PiBlockDDGNode &&N) noexcept
     : DDGNode(std::move(N)), NodeList(std::move(N.NodeList)) {
   assert(getKind() == NodeKind::PiBlock && !NodeList.empty() &&
          "constructing from invalid pi-block node.");
diff --git a/llvm/lib/Analysis/GlobalsModRef.cpp b/llvm/lib/Analysis/GlobalsModRef.cpp
--- a/llvm/lib/Analysis/GlobalsModRef.cpp
+++ b/llvm/lib/Analysis/GlobalsModRef.cpp
@@ -110,7 +110,7 @@
     if (const auto *ArgPtr = Arg.Info.getPointer())
       Info.setPointer(new AlignedMap(*ArgPtr));
   }
-  FunctionInfo(FunctionInfo &&Arg)
+  FunctionInfo(FunctionInfo &&Arg) noexcept
       : Info(Arg.Info.getPointer(), Arg.Info.getInt()) {
     Arg.Info.setPointerAndInt(nullptr, 0);
   }
@@ -121,7 +121,7 @@
       Info.setPointer(new AlignedMap(*RHSPtr));
     return *this;
   }
-  FunctionInfo &operator=(FunctionInfo &&RHS) {
+  FunctionInfo &operator=(FunctionInfo &&RHS) noexcept {
     delete Info.getPointer();
     Info.setPointerAndInt(RHS.Info.getPointer(), RHS.Info.getInt());
     RHS.Info.setPointerAndInt(nullptr, 0);
@@ -953,7 +953,7 @@
     std::function<const TargetLibraryInfo &(Function &F)> GetTLI)
     : DL(DL), GetTLI(std::move(GetTLI)) {}

-GlobalsAAResult::GlobalsAAResult(GlobalsAAResult &&Arg)
+GlobalsAAResult::GlobalsAAResult(GlobalsAAResult &&Arg) noexcept
     : AAResultBase(std::move(Arg)), DL(Arg.DL), GetTLI(std::move(Arg.GetTLI)),
       NonAddressTakenGlobals(std::move(Arg.NonAddressTakenGlobals)),
       IndirectGlobals(std::move(Arg.IndirectGlobals)),
diff --git a/llvm/lib/Analysis/InlineSizeEstimatorAnalysis.cpp b/llvm/lib/Analysis/InlineSizeEstimatorAnalysis.cpp
--- a/llvm/lib/Analysis/InlineSizeEstimatorAnalysis.cpp
+++ b/llvm/lib/Analysis/InlineSizeEstimatorAnalysis.cpp
@@ -262,7 +262,7 @@
 } // namespace llvm
 InlineSizeEstimatorAnalysis::InlineSizeEstimatorAnalysis() = default;
 InlineSizeEstimatorAnalysis ::InlineSizeEstimatorAnalysis(
-    InlineSizeEstimatorAnalysis &&) {}
+    InlineSizeEstimatorAnalysis &&) noexcept {}
 InlineSizeEstimatorAnalysis::~InlineSizeEstimatorAnalysis() = default;
 InlineSizeEstimatorAnalysis::Result
 InlineSizeEstimatorAnalysis::run(const Function &F,
diff --git a/llvm/lib/Analysis/LazyCallGraph.cpp b/llvm/lib/Analysis/LazyCallGraph.cpp
--- a/llvm/lib/Analysis/LazyCallGraph.cpp
+++ b/llvm/lib/Analysis/LazyCallGraph.cpp
@@ -204,7 +204,7 @@
   });
 }

-LazyCallGraph::LazyCallGraph(LazyCallGraph &&G)
+LazyCallGraph::LazyCallGraph(LazyCallGraph &&G) noexcept
     : BPA(std::move(G.BPA)), NodeMap(std::move(G.NodeMap)),
       EntryEdges(std::move(G.EntryEdges)), SCCBPA(std::move(G.SCCBPA)),
       SCCMap(std::move(G.SCCMap)), LibFunctions(std::move(G.LibFunctions)) {
@@ -219,7 +219,7 @@
   return !(PAC.preserved() || PAC.preservedSet<AllAnalysesOn<Module>>());
 }

-LazyCallGraph &LazyCallGraph::operator=(LazyCallGraph &&G) {
+LazyCallGraph &LazyCallGraph::operator=(LazyCallGraph &&G) noexcept {
   BPA = std::move(G.BPA);
   NodeMap = std::move(G.NodeMap);
   EntryEdges = std::move(G.EntryEdges);
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -13411,7 +13411,7 @@
   HasGuards = GuardDecl && !GuardDecl->use_empty();
 }

-ScalarEvolution::ScalarEvolution(ScalarEvolution &&Arg)
+ScalarEvolution::ScalarEvolution(ScalarEvolution &&Arg) noexcept
     : F(Arg.F), HasGuards(Arg.HasGuards), TLI(Arg.TLI), AC(Arg.AC), DT(Arg.DT),
       LI(Arg.LI), CouldNotCompute(std::move(Arg.CouldNotCompute)),
       ValueExprMap(std::move(Arg.ValueExprMap)),
diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp
--- a/llvm/lib/Analysis/TargetLibraryInfo.cpp
+++ b/llvm/lib/Analysis/TargetLibraryInfo.cpp
@@ -895,7 +895,8 @@
   ScalarDescs = TLI.ScalarDescs;
 }

-TargetLibraryInfoImpl::TargetLibraryInfoImpl(TargetLibraryInfoImpl &&TLI)
+TargetLibraryInfoImpl::TargetLibraryInfoImpl(
+    TargetLibraryInfoImpl &&TLI) noexcept
     : CustomNames(std::move(TLI.CustomNames)),
       ShouldExtI32Param(TLI.ShouldExtI32Param),
       ShouldExtI32Return(TLI.ShouldExtI32Return),
@@ -919,7 +920,8 @@
   return *this;
 }

-TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&TLI) {
+TargetLibraryInfoImpl &
+TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&TLI) noexcept {
   CustomNames = std::move(TLI.CustomNames);
   ShouldExtI32Param = TLI.ShouldExtI32Param;
   ShouldExtI32Return = TLI.ShouldExtI32Return;
diff --git a/llvm/lib/Analysis/TargetTransformInfo.cpp b/llvm/lib/Analysis/TargetTransformInfo.cpp
--- a/llvm/lib/Analysis/TargetTransformInfo.cpp
+++ b/llvm/lib/Analysis/TargetTransformInfo.cpp
@@ -187,10 +187,11 @@

 TargetTransformInfo::~TargetTransformInfo() = default;

-TargetTransformInfo::TargetTransformInfo(TargetTransformInfo &&Arg)
+TargetTransformInfo::TargetTransformInfo(TargetTransformInfo &&Arg) noexcept
     : TTIImpl(std::move(Arg.TTIImpl)) {}

-TargetTransformInfo &TargetTransformInfo::operator=(TargetTransformInfo &&RHS) {
+TargetTransformInfo &
+TargetTransformInfo::operator=(TargetTransformInfo &&RHS) noexcept {
   TTIImpl = std::move(RHS.TTIImpl);
   return *this;
 }
diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
--- a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
+++ b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
@@ -2348,11 +2348,11 @@
   }
 }

-MetadataLoader &MetadataLoader::operator=(MetadataLoader &&RHS) {
+MetadataLoader &MetadataLoader::operator=(MetadataLoader &&RHS) noexcept {
   Pimpl = std::move(RHS.Pimpl);
   return *this;
 }
-MetadataLoader::MetadataLoader(MetadataLoader &&RHS)
+MetadataLoader::MetadataLoader(MetadataLoader &&RHS) noexcept
     : Pimpl(std::move(RHS.Pimpl)) {}

 MetadataLoader::~MetadataLoader() = default;
diff --git a/llvm/lib/CodeGen/MachineModuleInfo.cpp b/llvm/lib/CodeGen/MachineModuleInfo.cpp
--- a/llvm/lib/CodeGen/MachineModuleInfo.cpp
+++ b/llvm/lib/CodeGen/MachineModuleInfo.cpp
@@ -56,7 +56,7 @@
   ObjFileMMI = nullptr;
 }

-MachineModuleInfo::MachineModuleInfo(MachineModuleInfo &&MMI)
+MachineModuleInfo::MachineModuleInfo(MachineModuleInfo &&MMI) noexcept
     : TM(std::move(MMI.TM)),
       Context(MMI.TM.getTargetTriple(), MMI.TM.getMCAsmInfo(),
               MMI.TM.getMCRegisterInfo(), MMI.TM.getMCSubtargetInfo(), nullptr,
diff --git a/llvm/lib/DebugInfo/PDB/PDBSymbol.cpp b/llvm/lib/DebugInfo/PDB/PDBSymbol.cpp
--- a/llvm/lib/DebugInfo/PDB/PDBSymbol.cpp
+++ b/llvm/lib/DebugInfo/PDB/PDBSymbol.cpp
@@ -51,7 +51,7 @@

 PDBSymbol::PDBSymbol(const IPDBSession &PDBSession) : Session(PDBSession) {}

-PDBSymbol::PDBSymbol(PDBSymbol &&Other)
+PDBSymbol::PDBSymbol(PDBSymbol &&Other) noexcept
     : Session(Other.Session), RawSymbol(std::move(Other.RawSymbol)) {}

 PDBSymbol::~PDBSymbol() = default;
diff --git a/llvm/lib/Demangle/ItaniumDemangle.cpp b/llvm/lib/Demangle/ItaniumDemangle.cpp
--- a/llvm/lib/Demangle/ItaniumDemangle.cpp
+++ b/llvm/lib/Demangle/ItaniumDemangle.cpp
@@ -402,13 +402,13 @@
 }

 ItaniumPartialDemangler::ItaniumPartialDemangler(
-    ItaniumPartialDemangler &&Other)
+    ItaniumPartialDemangler &&Other) noexcept
     : RootNode(Other.RootNode), Context(Other.Context) {
   Other.Context = Other.RootNode = nullptr;
 }

-ItaniumPartialDemangler &ItaniumPartialDemangler::
-operator=(ItaniumPartialDemangler &&Other) {
+ItaniumPartialDemangler &
+ItaniumPartialDemangler::operator=(ItaniumPartialDemangler &&Other) noexcept {
   std::swap(RootNode, Other.RootNode);
   std::swap(Context, Other.Context);
   return *this;
diff --git a/llvm/lib/ExecutionEngine/Orc/OrcV2CBindings.cpp b/llvm/lib/ExecutionEngine/Orc/OrcV2CBindings.cpp
--- a/llvm/lib/ExecutionEngine/Orc/OrcV2CBindings.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/OrcV2CBindings.cpp
@@ -1095,7 +1095,8 @@
           AllocateDataSection(AllocateDataSection),
           FinalizeMemory(FinalizeMemory), Destroy(Destroy) {}

-    MCJITMemoryManagerLikeCallbacks(MCJITMemoryManagerLikeCallbacks &&Other) {
+    MCJITMemoryManagerLikeCallbacks(
+        MCJITMemoryManagerLikeCallbacks &&Other) noexcept {
       std::swap(CreateContextCtx, Other.CreateContextCtx);
       std::swap(CreateContext, Other.CreateContext);
       std::swap(NotifyTerminating, Other.NotifyTerminating);
diff --git a/llvm/lib/IR/Comdat.cpp b/llvm/lib/IR/Comdat.cpp
--- a/llvm/lib/IR/Comdat.cpp
+++ b/llvm/lib/IR/Comdat.cpp
@@ -21,7 +21,7 @@

 using namespace llvm;

-Comdat::Comdat(Comdat &&C) : Name(C.Name), SK(C.SK) {}
+Comdat::Comdat(Comdat &&C) noexcept : Name(C.Name), SK(C.SK) {}

 Comdat::Comdat() = default;

diff --git a/llvm/lib/InterfaceStub/ELFObjHandler.cpp b/llvm/lib/InterfaceStub/ELFObjHandler.cpp
--- a/llvm/lib/InterfaceStub/ELFObjHandler.cpp
+++ b/llvm/lib/InterfaceStub/ELFObjHandler.cpp
@@ -177,7 +177,7 @@
   using Elf_Dyn = typename ELFT::Dyn;

   ELFStubBuilder(const ELFStubBuilder &) = delete;
-  ELFStubBuilder(ELFStubBuilder &&) = default;
+  ELFStubBuilder(ELFStubBuilder &&) noexcept = default;

   explicit ELFStubBuilder(const IFSStub &Stub) {
     DynSym.Name = ".dynsym";
diff --git a/llvm/lib/InterfaceStub/IFSStub.cpp b/llvm/lib/InterfaceStub/IFSStub.cpp
--- a/llvm/lib/InterfaceStub/IFSStub.cpp
+++ b/llvm/lib/InterfaceStub/IFSStub.cpp
@@ -21,7 +21,7 @@
   Symbols = Stub.Symbols;
 }

-IFSStub::IFSStub(IFSStub &&Stub) {
+IFSStub::IFSStub(IFSStub &&Stub) noexcept {
   IfsVersion = std::move(Stub.IfsVersion);
   Target = std::move(Stub.Target);
   SoName = std::move(Stub.SoName);
@@ -45,7 +45,7 @@
   Symbols = Stub.Symbols;
 }

-IFSStubTriple::IFSStubTriple(IFSStubTriple &&Stub) {
+IFSStubTriple::IFSStubTriple(IFSStubTriple &&Stub) noexcept {
   IfsVersion = std::move(Stub.IfsVersion);
   Target = std::move(Stub.Target);
   SoName = std::move(Stub.SoName);
diff --git a/llvm/lib/MC/MCParser/MasmParser.cpp b/llvm/lib/MC/MCParser/MasmParser.cpp
--- a/llvm/lib/MC/MCParser/MasmParser.cpp
+++ b/llvm/lib/MC/MCParser/MasmParser.cpp
@@ -186,10 +186,10 @@
                    struct StructInfo Structure);

   FieldInitializer(const FieldInitializer &Initializer);
-  FieldInitializer(FieldInitializer &&Initializer);
+  FieldInitializer(FieldInitializer &&Initializer) noexcept;

   FieldInitializer &operator=(const FieldInitializer &Initializer);
-  FieldInitializer &operator=(FieldInitializer &&Initializer);
+  FieldInitializer &operator=(FieldInitializer &&Initializer) noexcept;
 };

 struct StructInitializer {
@@ -298,7 +298,7 @@
   }
 }

-FieldInitializer::FieldInitializer(FieldInitializer &&Initializer)
+FieldInitializer::FieldInitializer(FieldInitializer &&Initializer) noexcept
     : FT(Initializer.FT) {
   switch (FT) {
   case FT_INTEGRAL:
@@ -343,7 +343,8 @@
   return *this;
 }

-FieldInitializer &FieldInitializer::operator=(FieldInitializer &&Initializer) {
+FieldInitializer &
+FieldInitializer::operator=(FieldInitializer &&Initializer) noexcept {
   if (FT != Initializer.FT) {
     switch (FT) {
     case FT_INTEGRAL:
diff --git a/llvm/lib/Support/APFloat.cpp b/llvm/lib/Support/APFloat.cpp
--- a/llvm/lib/Support/APFloat.cpp
+++ b/llvm/lib/Support/APFloat.cpp
@@ -856,7 +856,7 @@
   return *this;
 }

-IEEEFloat &IEEEFloat::operator=(IEEEFloat &&rhs) {
+IEEEFloat &IEEEFloat::operator=(IEEEFloat &&rhs) noexcept {
   freeSignificand();

   semantics = rhs.semantics;
@@ -1040,7 +1040,7 @@
   assign(rhs);
 }

-IEEEFloat::IEEEFloat(IEEEFloat &&rhs) : semantics(&semBogus) {
+IEEEFloat::IEEEFloat(IEEEFloat &&rhs) noexcept : semantics(&semBogus) {
   *this = std::move(rhs);
 }

@@ -4547,7 +4547,7 @@
   assert(Semantics == &semPPCDoubleDouble);
 }

-DoubleAPFloat::DoubleAPFloat(DoubleAPFloat &&RHS)
+DoubleAPFloat::DoubleAPFloat(DoubleAPFloat &&RHS) noexcept
     : Semantics(RHS.Semantics), Floats(std::move(RHS.Floats)) {
   RHS.Semantics = &semBogus;
   assert(Semantics == &semPPCDoubleDouble);
diff --git a/llvm/lib/Support/FoldingSet.cpp b/llvm/lib/Support/FoldingSet.cpp
--- a/llvm/lib/Support/FoldingSet.cpp
+++ b/llvm/lib/Support/FoldingSet.cpp
@@ -188,14 +188,14 @@
   NumNodes = 0;
 }

-FoldingSetBase::FoldingSetBase(FoldingSetBase &&Arg)
+FoldingSetBase::FoldingSetBase(FoldingSetBase &&Arg) noexcept
     : Buckets(Arg.Buckets), NumBuckets(Arg.NumBuckets), NumNodes(Arg.NumNodes) {
   Arg.Buckets = nullptr;
   Arg.NumBuckets = 0;
   Arg.NumNodes = 0;
 }

-FoldingSetBase &FoldingSetBase::operator=(FoldingSetBase &&RHS) {
+FoldingSetBase &FoldingSetBase::operator=(FoldingSetBase &&RHS) noexcept {
   free(Buckets); // This may be null if the set is in a moved-from state.
   Buckets = RHS.Buckets;
   NumBuckets = RHS.NumBuckets;
diff --git a/llvm/lib/Support/Path.cpp b/llvm/lib/Support/Path.cpp
--- a/llvm/lib/Support/Path.cpp
+++ b/llvm/lib/Support/Path.cpp
@@ -1216,8 +1216,8 @@

 TempFile::TempFile(StringRef Name, int FD)
     : TmpName(std::string(Name)), FD(FD) {}
-TempFile::TempFile(TempFile &&Other) { *this = std::move(Other); }
-TempFile &TempFile::operator=(TempFile &&Other) {
+TempFile::TempFile(TempFile &&Other) noexcept { *this = std::move(Other); }
+TempFile &TempFile::operator=(TempFile &&Other) noexcept {
   TmpName = std::move(Other.TmpName);
   FD = Other.FD;
   Other.Done = true;
diff --git a/llvm/lib/Support/Regex.cpp b/llvm/lib/Support/Regex.cpp
--- a/llvm/lib/Support/Regex.cpp
+++ b/llvm/lib/Support/Regex.cpp
@@ -42,7 +42,7 @@
 Regex::Regex(StringRef regex, unsigned Flags)
     : Regex(regex, static_cast<RegexFlags>(Flags)) {}

-Regex::Regex(Regex &&regex) {
+Regex::Regex(Regex &&regex) noexcept {
   preg = regex.preg;
   error = regex.error;
   regex.preg = nullptr;
diff --git a/llvm/lib/Support/SourceMgr.cpp b/llvm/lib/Support/SourceMgr.cpp
--- a/llvm/lib/Support/SourceMgr.cpp
+++ b/llvm/lib/Support/SourceMgr.cpp
@@ -167,7 +167,7 @@
     return getPointerForLineNumberSpecialized<uint64_t>(LineNo);
 }

-SourceMgr::SrcBuffer::SrcBuffer(SourceMgr::SrcBuffer &&Other)
+SourceMgr::SrcBuffer::SrcBuffer(SourceMgr::SrcBuffer &&Other) noexcept
     : Buffer(std::move(Other.Buffer)), OffsetCache(Other.OffsetCache),
       IncludeLoc(Other.IncludeLoc) {
   Other.OffsetCache = nullptr;
diff --git a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
--- a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
+++ b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
@@ -766,7 +766,7 @@
     return *this;
   }

-  State &operator=(State &&R) {
+  State &operator=(State &&R) noexcept {
     if (this == &R)
       return *this;
     std::swap(BS, R.BS);
diff --git a/llvm/lib/Transforms/Scalar/MergeICmps.cpp b/llvm/lib/Transforms/Scalar/MergeICmps.cpp
--- a/llvm/lib/Transforms/Scalar/MergeICmps.cpp
+++ b/llvm/lib/Transforms/Scalar/MergeICmps.cpp
@@ -78,7 +78,7 @@
   BCEAtom &operator=(const BCEAtom &) = delete;

   BCEAtom(BCEAtom &&that) = default;
-  BCEAtom &operator=(BCEAtom &&that) {
+  BCEAtom &operator=(BCEAtom &&that) noexcept {
     if (this == &that)
       return *this;
     GEP = that.GEP;
diff --git a/llvm/lib/Transforms/Scalar/NewGVN.cpp b/llvm/lib/Transforms/Scalar/NewGVN.cpp
--- a/llvm/lib/Transforms/Scalar/NewGVN.cpp
+++ b/llvm/lib/Transforms/Scalar/NewGVN.cpp
@@ -678,7 +678,7 @@
                const PredicateBase *PredDep = nullptr)
         : Expr(Expr), ExtraDep(ExtraDep), PredDep(PredDep) {}
     ExprResult(const ExprResult &) = delete;
-    ExprResult(ExprResult &&Other)
+    ExprResult(ExprResult &&Other) noexcept
         : Expr(Other.Expr), ExtraDep(Other.ExtraDep), PredDep(Other.PredDep) {
       Other.Expr = nullptr;
       Other.ExtraDep = nullptr;
diff --git a/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp b/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp
--- a/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp
+++ b/llvm/tools/llvm-exegesis/lib/PerfHelper.cpp
@@ -51,7 +51,7 @@
 #endif
 }

-PerfEvent::PerfEvent(PerfEvent &&Other)
+PerfEvent::PerfEvent(PerfEvent &&Other) noexcept
     : EventString(std::move(Other.EventString)),
       FullQualifiedEventString(std::move(Other.FullQualifiedEventString)),
       Attr(Other.Attr) {
diff --git a/llvm/utils/TableGen/DecoderEmitter.cpp b/llvm/utils/TableGen/DecoderEmitter.cpp
--- a/llvm/utils/TableGen/DecoderEmitter.cpp
+++ b/llvm/utils/TableGen/DecoderEmitter.cpp
@@ -300,7 +300,7 @@
   EncodingIDAndOpcode LastOpcFiltered;

 public:
-  Filter(Filter &&f);
+  Filter(Filter &&f) noexcept;
   Filter(FilterChooser &owner, unsigned startBit, unsigned numBits, bool mixed);

   ~Filter() = default;
@@ -557,13 +557,12 @@
 //                       //
 ///////////////////////////

-Filter::Filter(Filter &&f)
-  : Owner(f.Owner), StartBit(f.StartBit), NumBits(f.NumBits), Mixed(f.Mixed),
-    FilteredInstructions(std::move(f.FilteredInstructions)),
-    VariableInstructions(std::move(f.VariableInstructions)),
-    FilterChooserMap(std::move(f.FilterChooserMap)), NumFiltered(f.NumFiltered),
-    LastOpcFiltered(f.LastOpcFiltered) {
-}
+Filter::Filter(Filter &&f) noexcept
+    : Owner(f.Owner), StartBit(f.StartBit), NumBits(f.NumBits), Mixed(f.Mixed),
+      FilteredInstructions(std::move(f.FilteredInstructions)),
+      VariableInstructions(std::move(f.VariableInstructions)),
+      FilterChooserMap(std::move(f.FilterChooserMap)),
+      NumFiltered(f.NumFiltered), LastOpcFiltered(f.LastOpcFiltered) {}

 Filter::Filter(FilterChooser &owner, unsigned startBit, unsigned numBits,
                bool mixed)