diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp
diff --git a/clang/lib/Sema/SemaTemplateDeduction.cpp b/clang/lib/Sema/SemaTemplateDeduction.cpp
@@ -2531,6 +2531,15 @@ DeduceTemplateArguments(Sema &S, TemplateParameterList *TemplateParams,
   return TemplateDeductionResult::Success;
 }
 
+TemplateDeductionResult Sema::DeduceTemplateArguments(
+    TemplateParameterList *TemplateParams, ArrayRef<TemplateArgument> Ps,
+    ArrayRef<TemplateArgument> As, sema::TemplateDeductionInfo &Info,
+    SmallVectorImpl<DeducedTemplateArgument> &Deduced,
+    bool NumberOfArgumentsMustMatch) {
+  return ::DeduceTemplateArguments(*this, TemplateParams, Ps, As, Info, Deduced,
+                                   NumberOfArgumentsMustMatch);
+}
+
 /// Determine whether two template arguments are the same.
 static bool isSameTemplateArg(ASTContext &Context,
                               TemplateArgument X,

diff --git a/clang/lib/Sema/SemaTemplateInstantiate.cpp b/clang/lib/Sema/SemaTemplateInstantiate.cpp
@@ -21,6 +21,7 @@
 #include "clang/AST/ExprConcepts.h"
 #include "clang/AST/PrettyDeclStackTrace.h"
 #include "clang/AST/Type.h"
+#include "clang/AST/TypeLoc.h"
 #include "clang/AST/TypeVisitor.h"
 #include "clang/Basic/LangOptions.h"
 #include "clang/Basic/Stack.h"
@@ -547,9 +548,9 @@ Sema::InstantiatingTemplate::InstantiatingTemplate(
     : InstantiatingTemplate(SemaRef, Kind, PointOfInstantiation,
                             InstantiationRange, FunctionTemplate, nullptr,
                             TemplateArgs, &DeductionInfo) {
-  assert(
-    Kind == CodeSynthesisContext::ExplicitTemplateArgumentSubstitution ||
-    Kind == CodeSynthesisContext::DeducedTemplateArgumentSubstitution);
+  assert(Kind == CodeSynthesisContext::ExplicitTemplateArgumentSubstitution ||
+         Kind == CodeSynthesisContext::DeducedTemplateArgumentSubstitution ||
+         Kind == CodeSynthesisContext::BuildingDeductionGuides);
 }
 
 Sema::InstantiatingTemplate::InstantiatingTemplate(
@@ -1446,6 +1447,59 @@ namespace {
       return inherited::TransformFunctionProtoType(TLB, TL);
     }
 
+    QualType TransformInjectedClassNameType(TypeLocBuilder &TLB,
+                                            InjectedClassNameTypeLoc TL) {
+      auto Type = inherited::TransformInjectedClassNameType(TLB, TL);
+      // Special case for transforming a deduction guide, we return a
+      // transformed TemplateSpecializationType.
+      if (Type.isNull() &&
+          SemaRef.CodeSynthesisContexts.back().Kind ==
+              Sema::CodeSynthesisContext::BuildingDeductionGuides) {
+        // Return a TemplateSpecializationType for transforming a deduction
+        // guide.
+        if (auto *ICT = TL.getType()->getAs<InjectedClassNameType>()) {
+          auto Type =
+              inherited::TransformType(ICT->getInjectedSpecializationType());
+          TLB.pushTrivial(SemaRef.Context, Type, TL.getNameLoc());
+          return Type;
+        }
+      }
+      return Type;
+    }
+    // Override the default version to handle a rewrite-template-arg-pack case
+    // for building a deduction guide.
+    bool TransformTemplateArgument(const TemplateArgumentLoc &Input,
+                                   TemplateArgumentLoc &Output,
+                                   bool Uneval = false) {
+      const TemplateArgument &Arg = Input.getArgument();
+      std::vector<TemplateArgument> TArgs;
+      switch (Arg.getKind()) {
+      case TemplateArgument::Pack:
+        // Literally rewrite the template argument pack, instead of unpacking
+        // it.
+        assert(
+            SemaRef.CodeSynthesisContexts.back().Kind ==
+                Sema::CodeSynthesisContext::BuildingDeductionGuides &&
+            "Transforming a template argument pack is only allowed in building "
+            "deduction guide");
+        for (auto &pack : Arg.getPackAsArray()) {
+          TemplateArgumentLoc Input = SemaRef.getTrivialTemplateArgumentLoc(
+              pack, QualType(), SourceLocation{});
+          TemplateArgumentLoc Output;
+          if (SemaRef.SubstTemplateArgument(Input, TemplateArgs, Output))
+            return true; // fails
+          TArgs.push_back(Output.getArgument());
+        }
+        Output = SemaRef.getTrivialTemplateArgumentLoc(
+            TemplateArgument(llvm::ArrayRef(TArgs).copy(SemaRef.Context)),
+            QualType(), SourceLocation{});
+        return false;
+      default:
+        break;
+      }
+      return inherited::TransformTemplateArgument(Input, Output, Uneval);
+    }
+
     template<typename Fn>
     QualType TransformFunctionProtoType(TypeLocBuilder &TLB,
                                         FunctionProtoTypeLoc TL,
@@ -4138,6 +4192,15 @@ Sema::SubstStmt(Stmt *S, const MultiLevelTemplateArgumentList &TemplateArgs) {
   return Instantiator.TransformStmt(S);
 }
 
+bool Sema::SubstTemplateArgument(
+    const TemplateArgumentLoc &Input,
+    const MultiLevelTemplateArgumentList &TemplateArgs,
+    TemplateArgumentLoc &Output) {
+  TemplateInstantiator Instantiator(*this, TemplateArgs, SourceLocation(),
+                                    DeclarationName());
+  return Instantiator.TransformTemplateArgument(Input, Output);
+}
+
 bool Sema::SubstTemplateArguments(
     ArrayRef<TemplateArgumentLoc> Args,
     const MultiLevelTemplateArgumentList &TemplateArgs,

diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -2219,7 +2219,9 @@ Decl *TemplateDeclInstantiator::VisitFunctionDecl(
       FunctionTemplate->setInstantiatedFromMemberTemplate(
                                            D->getDescribedFunctionTemplate());
     }
-  } else if (FunctionTemplate) {
+  } else if (FunctionTemplate &&
+             SemaRef.CodeSynthesisContexts.back().Kind !=
+                 Sema::CodeSynthesisContext::BuildingDeductionGuides) {
     // Record this function template specialization.
     ArrayRef<TemplateArgument> Innermost = TemplateArgs.getInnermost();
     Function->setFunctionTemplateSpecialization(FunctionTemplate,
@@ -4853,16 +4855,13 @@ bool TemplateDeclInstantiator::SubstDefaultedFunction(FunctionDecl *New,
 ///
 /// Usually this should not be used, and template argument deduction should be
 /// used in its place.
-FunctionDecl *
-Sema::InstantiateFunctionDeclaration(FunctionTemplateDecl *FTD,
-                                     const TemplateArgumentList *Args,
-                                     SourceLocation Loc) {
+FunctionDecl *Sema::InstantiateFunctionDeclaration(
+    FunctionTemplateDecl *FTD, const TemplateArgumentList *Args,
+    SourceLocation Loc, CodeSynthesisContext::SynthesisKind CSC) {
   FunctionDecl *FD = FTD->getTemplatedDecl();
 
   sema::TemplateDeductionInfo Info(Loc);
-  InstantiatingTemplate Inst(
-      *this, Loc, FTD, Args->asArray(),
-      CodeSynthesisContext::ExplicitTemplateArgumentSubstitution, Info);
+  InstantiatingTemplate Inst(*this, Loc, FTD, Args->asArray(), CSC, Info);
   if (Inst.isInvalid())
     return nullptr;
 
@@ -6286,8 +6285,18 @@ NamedDecl *Sema::FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D,
           QualType T = CheckTemplateIdType(TemplateName(TD), Loc, Args);
           if (T.isNull())
             return nullptr;
-          auto *SubstRecord = T->getAsCXXRecordDecl();
-          assert(SubstRecord && "class template id not a class type?");
+          CXXRecordDecl *SubstRecord = T->getAsCXXRecordDecl();
+
+          if (!SubstRecord) {
+            // T can be a dependent TemplateSpecializationType when performing a
+            // substitution for building a deduction guide.
+            assert(CodeSynthesisContexts.back().Kind ==
+                   CodeSynthesisContext::BuildingDeductionGuides);
+            // Return a nullptr as a sentinel value, we handle it properly in
+            // the TemplateInstantiator::TransformInjectedClassNameType
+            // override, which we transform it to a TemplateSpecializationType.
+            return nullptr;
+          }
           // Check that this template-id names the primary template and not a
           // partial or explicit specialization. (In the latter cases, it's
           // meaningless to attempt to find an instantiation of D within the

diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
@@ -4785,6 +4785,14 @@ bool TreeTransform<Derived>::TransformTemplateArguments(
     TemplateArgumentLoc In = *First;
 
     if (In.getArgument().getKind() == TemplateArgument::Pack) {
+      // When building the deduction guides, we rewrite the argument packs
+      // instead of unpacking.
+      if (getSema().CodeSynthesisContexts.back().Kind ==
+          Sema::CodeSynthesisContext::BuildingDeductionGuides) {
+        if (getDerived().TransformTemplateArgument(In, Out, Uneval))
+          return true;
+        continue;
+      }
       // Unpack argument packs, which we translate them into separate
       // arguments.
       // FIXME: We could do much better if we could guarantee that the

diff --git a/clang/lib/Serialization/ASTReaderStmt.cpp b/clang/lib/Serialization/ASTReaderStmt.cpp
@@ -2805,7 +2805,7 @@ void ASTStmtReader::VisitOpenACCAssociatedStmtConstruct(
 
 void ASTStmtReader::VisitOpenACCComputeConstruct(OpenACCComputeConstruct *S) {
   VisitStmt(S);
-  VisitOpenACCConstructStmt(S);
+  VisitOpenACCAssociatedStmtConstruct(S);
 }
 
 //===----------------------------------------------------------------------===//

diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
@@ -4623,10 +4623,12 @@ ASTWriter::ASTWriter(llvm::BitstreamWriter &Stream,
                      SmallVectorImpl<char> &Buffer,
                      InMemoryModuleCache &ModuleCache,
                      ArrayRef<std::shared_ptr<ModuleFileExtension>> Extensions,
-                     bool IncludeTimestamps, bool BuildingImplicitModule)
+                     bool IncludeTimestamps, bool BuildingImplicitModule,
+                     bool GeneratingReducedBMI)
     : Stream(Stream), Buffer(Buffer), ModuleCache(ModuleCache),
       IncludeTimestamps(IncludeTimestamps),
-      BuildingImplicitModule(BuildingImplicitModule) {
+      BuildingImplicitModule(BuildingImplicitModule),
+      GeneratingReducedBMI(GeneratingReducedBMI) {
   for (const auto &Ext : Extensions) {
     if (auto Writer = Ext->createExtensionWriter(*this))
       ModuleFileExtensionWriters.push_back(std::move(Writer));
@@ -5457,18 +5459,20 @@ void ASTWriter::WriteDeclUpdatesBlocks(RecordDataImpl &OffsetsRecord) {
 
     // Add a trailing update record, if any. These must go last because we
     // lazily load their attached statement.
-    if (HasUpdatedBody) {
-      const auto *Def = cast<FunctionDecl>(D);
-      Record.push_back(UPD_CXX_ADDED_FUNCTION_DEFINITION);
-      Record.push_back(Def->isInlined());
-      Record.AddSourceLocation(Def->getInnerLocStart());
-      Record.AddFunctionDefinition(Def);
-    } else if (HasAddedVarDefinition) {
-      const auto *VD = cast<VarDecl>(D);
-      Record.push_back(UPD_CXX_ADDED_VAR_DEFINITION);
-      Record.push_back(VD->isInline());
-      Record.push_back(VD->isInlineSpecified());
-      Record.AddVarDeclInit(VD);
+    if (!GeneratingReducedBMI || !CanElideDeclDef(D)) {
+      if (HasUpdatedBody) {
+        const auto *Def = cast<FunctionDecl>(D);
+        Record.push_back(UPD_CXX_ADDED_FUNCTION_DEFINITION);
+        Record.push_back(Def->isInlined());
+        Record.AddSourceLocation(Def->getInnerLocStart());
+        Record.AddFunctionDefinition(Def);
+      } else if (HasAddedVarDefinition) {
+        const auto *VD = cast<VarDecl>(D);
+        Record.push_back(UPD_CXX_ADDED_VAR_DEFINITION);
+        Record.push_back(VD->isInline());
+        Record.push_back(VD->isInlineSpecified());
+        Record.AddVarDeclInit(VD);
+      }
     }
 
     OffsetsRecord.push_back(GetDeclRef(D));

diff --git a/clang/lib/Serialization/ASTWriterDecl.cpp b/clang/lib/Serialization/ASTWriterDecl.cpp
@@ -16,6 +16,7 @@
 #include "clang/AST/DeclTemplate.h"
 #include "clang/AST/DeclVisitor.h"
 #include "clang/AST/Expr.h"
+#include "clang/AST/ODRHash.h"
 #include "clang/AST/OpenMPClause.h"
 #include "clang/AST/PrettyDeclStackTrace.h"
 #include "clang/Basic/SourceManager.h"
@@ -40,11 +41,14 @@ namespace clang {
     serialization::DeclCode Code;
     unsigned AbbrevToUse;
 
+    bool GeneratingReducedBMI = false;
+
   public:
     ASTDeclWriter(ASTWriter &Writer, ASTContext &Context,
-                  ASTWriter::RecordDataImpl &Record)
+                  ASTWriter::RecordDataImpl &Record, bool GeneratingReducedBMI)
         : Writer(Writer), Context(Context), Record(Writer, Record),
-          Code((serialization::DeclCode)0), AbbrevToUse(0) {}
+          Code((serialization::DeclCode)0), AbbrevToUse(0),
+          GeneratingReducedBMI(GeneratingReducedBMI) {}
 
     uint64_t Emit(Decl *D) {
       if (!Code)
@@ -270,6 +274,27 @@ namespace clang {
   };
 }
 
+bool clang::CanElideDeclDef(const Decl *D) {
+  if (auto *FD = dyn_cast<FunctionDecl>(D)) {
+    if (FD->isInlined() || FD->isConstexpr())
+      return false;
+
+    if (FD->isDependentContext())
+      return false;
+  }
+
+  if (auto *VD = dyn_cast<VarDecl>(D)) {
+    if (!VD->getDeclContext()->getRedeclContext()->isFileContext() ||
+        VD->isInline() || VD->isConstexpr() || isa<ParmVarDecl>(VD))
+      return false;
+
+    if (VD->getTemplateSpecializationKind() == TSK_ImplicitInstantiation)
+      return false;
+  }
+
+  return true;
+}
+
 void ASTDeclWriter::Visit(Decl *D) {
   DeclVisitor<ASTDeclWriter>::Visit(D);
 
@@ -285,17 +310,23 @@ void ASTDeclWriter::Visit(Decl *D) {
   // have been written. We want it last because we will not read it back when
   // retrieving it from the AST, we'll just lazily set the offset.
   if (auto *FD = dyn_cast<FunctionDecl>(D)) {
-    Record.push_back(FD->doesThisDeclarationHaveABody());
-    if (FD->doesThisDeclarationHaveABody())
-      Record.AddFunctionDefinition(FD);
+    if (!GeneratingReducedBMI || !CanElideDeclDef(FD)) {
+      Record.push_back(FD->doesThisDeclarationHaveABody());
+      if (FD->doesThisDeclarationHaveABody())
+        Record.AddFunctionDefinition(FD);
+    } else
+      Record.push_back(0);
   }
 
   // Similar to FunctionDecls, handle VarDecl's initializer here and write it
   // after all other Stmts/Exprs. We will not read the initializer until after
   // we have finished recursive deserialization, because it can recursively
   // refer back to the variable.
   if (auto *VD = dyn_cast<VarDecl>(D)) {
-    Record.AddVarDeclInit(VD);
+    if (!GeneratingReducedBMI || !CanElideDeclDef(VD))
+      Record.AddVarDeclInit(VD);
+    else
+      Record.push_back(0);
   }
 
   // And similarly for FieldDecls. We already serialized whether there is a
@@ -2729,7 +2760,7 @@ void ASTWriter::WriteDecl(ASTContext &Context, Decl *D) {
   assert(ID >= FirstDeclID && "invalid decl ID");
 
   RecordData Record;
-  ASTDeclWriter W(*this, Context, Record);
+  ASTDeclWriter W(*this, Context, Record, GeneratingReducedBMI);
 
   // Build a record for this declaration
   W.Visit(D);

diff --git a/clang/lib/Serialization/ASTWriterStmt.cpp b/clang/lib/Serialization/ASTWriterStmt.cpp
@@ -2855,7 +2855,7 @@ void ASTStmtWriter::VisitOpenACCAssociatedStmtConstruct(
 
 void ASTStmtWriter::VisitOpenACCComputeConstruct(OpenACCComputeConstruct *S) {
   VisitStmt(S);
-  VisitOpenACCConstructStmt(S);
+  VisitOpenACCAssociatedStmtConstruct(S);
   Code = serialization::STMT_OPENACC_COMPUTE_CONSTRUCT;
 }
 

diff --git a/clang/lib/Serialization/GeneratePCH.cpp b/clang/lib/Serialization/GeneratePCH.cpp
@@ -12,9 +12,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/AST/ASTContext.h"
+#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Lex/HeaderSearch.h"
 #include "clang/Lex/Preprocessor.h"
 #include "clang/Sema/SemaConsumer.h"
+#include "clang/Serialization/ASTReader.h"
 #include "clang/Serialization/ASTWriter.h"
 #include "llvm/Bitstream/BitstreamWriter.h"
 
@@ -25,11 +27,12 @@ PCHGenerator::PCHGenerator(
     StringRef OutputFile, StringRef isysroot, std::shared_ptr<PCHBuffer> Buffer,
     ArrayRef<std::shared_ptr<ModuleFileExtension>> Extensions,
     bool AllowASTWithErrors, bool IncludeTimestamps,
-    bool BuildingImplicitModule, bool ShouldCacheASTInMemory)
+    bool BuildingImplicitModule, bool ShouldCacheASTInMemory,
+    bool GeneratingReducedBMI)
     : PP(PP), OutputFile(OutputFile), isysroot(isysroot.str()),
       SemaPtr(nullptr), Buffer(std::move(Buffer)), Stream(this->Buffer->Data),
       Writer(Stream, this->Buffer->Data, ModuleCache, Extensions,
-             IncludeTimestamps, BuildingImplicitModule),
+             IncludeTimestamps, BuildingImplicitModule, GeneratingReducedBMI),
       AllowASTWithErrors(AllowASTWithErrors),
       ShouldCacheASTInMemory(ShouldCacheASTInMemory) {
   this->Buffer->IsComplete = false;
@@ -78,3 +81,33 @@ ASTMutationListener *PCHGenerator::GetASTMutationListener() {
 ASTDeserializationListener *PCHGenerator::GetASTDeserializationListener() {
   return &Writer;
 }
+
+ReducedBMIGenerator::ReducedBMIGenerator(const Preprocessor &PP,
+                                         InMemoryModuleCache &ModuleCache,
+                                         StringRef OutputFile,
+                                         std::shared_ptr<PCHBuffer> Buffer,
+                                         bool IncludeTimestamps)
+    : PCHGenerator(
+          PP, ModuleCache, OutputFile, llvm::StringRef(), Buffer,
+          /*Extensions=*/ArrayRef<std::shared_ptr<ModuleFileExtension>>(),
+          /*AllowASTWithErrors*/ false, /*IncludeTimestamps=*/IncludeTimestamps,
+          /*BuildingImplicitModule=*/false, /*ShouldCacheASTInMemory=*/false,
+          /*GeneratingReducedBMI=*/true) {}
+
+void ReducedBMIGenerator::HandleTranslationUnit(ASTContext &Ctx) {
+  PCHGenerator::HandleTranslationUnit(Ctx);
+
+  if (!isComplete())
+    return;
+
+  std::error_code EC;
+  auto OS = std::make_unique<llvm::raw_fd_ostream>(getOutputFile(), EC);
+  if (EC) {
+    getDiagnostics().Report(diag::err_fe_unable_to_open_output)
+        << getOutputFile() << EC.message() << "\n";
+    return;
+  }
+
+  *OS << getBufferPtr()->Data;
+  OS->flush();
+}
diff --git a/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp
@@ -307,64 +307,64 @@ class StreamChecker : public Checker<check::PreCall, eval::Call,
       {{{"fclose"}, 1},
        {&StreamChecker::preDefault, &StreamChecker::evalFclose, 0}},
       {{{"fread"}, 4},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, true),
+       {&StreamChecker::preRead,
         std::bind(&StreamChecker::evalFreadFwrite, _1, _2, _3, _4, true), 3}},
       {{{"fwrite"}, 4},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, false),
+       {&StreamChecker::preWrite,
         std::bind(&StreamChecker::evalFreadFwrite, _1, _2, _3, _4, false), 3}},
       {{{"fgetc"}, 1},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, true),
+       {&StreamChecker::preRead,
         std::bind(&StreamChecker::evalFgetx, _1, _2, _3, _4, true), 0}},
       {{{"fgets"}, 3},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, true),
+       {&StreamChecker::preRead,
         std::bind(&StreamChecker::evalFgetx, _1, _2, _3, _4, false), 2}},
       {{{"getc"}, 1},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, true),
+       {&StreamChecker::preRead,
         std::bind(&StreamChecker::evalFgetx, _1, _2, _3, _4, true), 0}},
       {{{"fputc"}, 2},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, false),
+       {&StreamChecker::preWrite,
         std::bind(&StreamChecker::evalFputx, _1, _2, _3, _4, true), 1}},
       {{{"fputs"}, 2},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, false),
+       {&StreamChecker::preWrite,
         std::bind(&StreamChecker::evalFputx, _1, _2, _3, _4, false), 1}},
       {{{"putc"}, 2},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, false),
+       {&StreamChecker::preWrite,
         std::bind(&StreamChecker::evalFputx, _1, _2, _3, _4, true), 1}},
       {{{"fprintf"}},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, false),
+       {&StreamChecker::preWrite,
         std::bind(&StreamChecker::evalFprintf, _1, _2, _3, _4), 0}},
       {{{"vfprintf"}, 3},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, false),
+       {&StreamChecker::preWrite,
         std::bind(&StreamChecker::evalFprintf, _1, _2, _3, _4), 0}},
       {{{"fscanf"}},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, true),
+       {&StreamChecker::preRead,
         std::bind(&StreamChecker::evalFscanf, _1, _2, _3, _4), 0}},
       {{{"vfscanf"}, 3},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, true),
+       {&StreamChecker::preRead,
         std::bind(&StreamChecker::evalFscanf, _1, _2, _3, _4), 0}},
       {{{"ungetc"}, 2},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, false),
+       {&StreamChecker::preWrite,
         std::bind(&StreamChecker::evalUngetc, _1, _2, _3, _4), 1}},
       {{{"getdelim"}, 4},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, true),
+       {&StreamChecker::preRead,
         std::bind(&StreamChecker::evalGetdelim, _1, _2, _3, _4), 3}},
       {{{"getline"}, 3},
-       {std::bind(&StreamChecker::preReadWrite, _1, _2, _3, _4, true),
+       {&StreamChecker::preRead,
         std::bind(&StreamChecker::evalGetdelim, _1, _2, _3, _4), 2}},
       {{{"fseek"}, 3},
        {&StreamChecker::preFseek, &StreamChecker::evalFseek, 0}},
       {{{"fseeko"}, 3},
        {&StreamChecker::preFseek, &StreamChecker::evalFseek, 0}},
       {{{"ftell"}, 1},
-       {&StreamChecker::preDefault, &StreamChecker::evalFtell, 0}},
+       {&StreamChecker::preWrite, &StreamChecker::evalFtell, 0}},
       {{{"ftello"}, 1},
-       {&StreamChecker::preDefault, &StreamChecker::evalFtell, 0}},
+       {&StreamChecker::preWrite, &StreamChecker::evalFtell, 0}},
       {{{"fflush"}, 1},
        {&StreamChecker::preFflush, &StreamChecker::evalFflush, 0}},
       {{{"rewind"}, 1},
        {&StreamChecker::preDefault, &StreamChecker::evalRewind, 0}},
       {{{"fgetpos"}, 2},
-       {&StreamChecker::preDefault, &StreamChecker::evalFgetpos, 0}},
+       {&StreamChecker::preWrite, &StreamChecker::evalFgetpos, 0}},
       {{{"fsetpos"}, 2},
        {&StreamChecker::preDefault, &StreamChecker::evalFsetpos, 0}},
       {{{"clearerr"}, 1},
@@ -384,12 +384,18 @@ class StreamChecker : public Checker<check::PreCall, eval::Call,
   CallDescriptionMap<FnDescription> FnTestDescriptions = {
       {{{"StreamTesterChecker_make_feof_stream"}, 1},
        {nullptr,
-        std::bind(&StreamChecker::evalSetFeofFerror, _1, _2, _3, _4, ErrorFEof),
+        std::bind(&StreamChecker::evalSetFeofFerror, _1, _2, _3, _4, ErrorFEof,
+                  false),
         0}},
       {{{"StreamTesterChecker_make_ferror_stream"}, 1},
        {nullptr,
         std::bind(&StreamChecker::evalSetFeofFerror, _1, _2, _3, _4,
-                  ErrorFError),
+                  ErrorFError, false),
+        0}},
+      {{{"StreamTesterChecker_make_ferror_indeterminate_stream"}, 1},
+       {nullptr,
+        std::bind(&StreamChecker::evalSetFeofFerror, _1, _2, _3, _4,
+                  ErrorFError, true),
         0}},
   };
 
@@ -415,8 +421,11 @@ class StreamChecker : public Checker<check::PreCall, eval::Call,
   void evalFclose(const FnDescription *Desc, const CallEvent &Call,
                   CheckerContext &C) const;
 
-  void preReadWrite(const FnDescription *Desc, const CallEvent &Call,
-                    CheckerContext &C, bool IsRead) const;
+  void preRead(const FnDescription *Desc, const CallEvent &Call,
+               CheckerContext &C) const;
+
+  void preWrite(const FnDescription *Desc, const CallEvent &Call,
+                CheckerContext &C) const;
 
   void evalFreadFwrite(const FnDescription *Desc, const CallEvent &Call,
                        CheckerContext &C, bool IsFread) const;
@@ -467,8 +476,8 @@ class StreamChecker : public Checker<check::PreCall, eval::Call,
                       const StreamErrorState &ErrorKind) const;
 
   void evalSetFeofFerror(const FnDescription *Desc, const CallEvent &Call,
-                         CheckerContext &C,
-                         const StreamErrorState &ErrorKind) const;
+                         CheckerContext &C, const StreamErrorState &ErrorKind,
+                         bool Indeterminate) const;
 
   void preFflush(const FnDescription *Desc, const CallEvent &Call,
                  CheckerContext &C) const;
@@ -849,9 +858,8 @@ void StreamChecker::evalFclose(const FnDescription *Desc, const CallEvent &Call,
   C.addTransition(E.bindReturnValue(State, C, *EofVal));
 }
 
-void StreamChecker::preReadWrite(const FnDescription *Desc,
-                                 const CallEvent &Call, CheckerContext &C,
-                                 bool IsRead) const {
+void StreamChecker::preRead(const FnDescription *Desc, const CallEvent &Call,
+                            CheckerContext &C) const {
   ProgramStateRef State = C.getState();
   SVal StreamVal = getStreamArg(Desc, Call);
   State = ensureStreamNonNull(StreamVal, Call.getArgExpr(Desc->StreamArgNo), C,
@@ -865,11 +873,6 @@ void StreamChecker::preReadWrite(const FnDescription *Desc,
   if (!State)
     return;
 
-  if (!IsRead) {
-    C.addTransition(State);
-    return;
-  }
-
   SymbolRef Sym = StreamVal.getAsSymbol();
   if (Sym && State->get<StreamMap>(Sym)) {
     const StreamState *SS = State->get<StreamMap>(Sym);
@@ -880,6 +883,24 @@ void StreamChecker::preReadWrite(const FnDescription *Desc,
   }
 }
 
+void StreamChecker::preWrite(const FnDescription *Desc, const CallEvent &Call,
+                             CheckerContext &C) const {
+  ProgramStateRef State = C.getState();
+  SVal StreamVal = getStreamArg(Desc, Call);
+  State = ensureStreamNonNull(StreamVal, Call.getArgExpr(Desc->StreamArgNo), C,
+                              State);
+  if (!State)
+    return;
+  State = ensureStreamOpened(StreamVal, C, State);
+  if (!State)
+    return;
+  State = ensureNoFilePositionIndeterminate(StreamVal, C, State);
+  if (!State)
+    return;
+
+  C.addTransition(State);
+}
+
 void StreamChecker::evalFreadFwrite(const FnDescription *Desc,
                                     const CallEvent &Call, CheckerContext &C,
                                     bool IsFread) const {
@@ -1496,14 +1517,16 @@ void StreamChecker::preDefault(const FnDescription *Desc, const CallEvent &Call,
 
 void StreamChecker::evalSetFeofFerror(const FnDescription *Desc,
                                       const CallEvent &Call, CheckerContext &C,
-                                      const StreamErrorState &ErrorKind) const {
+                                      const StreamErrorState &ErrorKind,
+                                      bool Indeterminate) const {
   ProgramStateRef State = C.getState();
   SymbolRef StreamSym = getStreamArg(Desc, Call).getAsSymbol();
   assert(StreamSym && "Operation not permitted on non-symbolic stream value.");
   const StreamState *SS = State->get<StreamMap>(StreamSym);
   assert(SS && "Stream should be tracked by the checker.");
   State = State->set<StreamMap>(
-      StreamSym, StreamState::getOpened(SS->LastOperation, ErrorKind));
+      StreamSym,
+      StreamState::getOpened(SS->LastOperation, ErrorKind, Indeterminate));
   C.addTransition(State);
 }
 

diff --git a/clang/lib/Testing/CommandLineArgs.cpp b/clang/lib/Testing/CommandLineArgs.cpp
@@ -37,6 +37,9 @@ std::vector<std::string> getCommandLineArgsForTesting(TestLanguage Lang) {
   case Lang_CXX20:
     Args = {"-std=c++20", "-frtti"};
     break;
+  case Lang_CXX23:
+    Args = {"-std=c++23", "-frtti"};
+    break;
   case Lang_OBJC:
     Args = {"-x", "objective-c", "-frtti", "-fobjc-nonfragile-abi"};
     break;
@@ -73,6 +76,9 @@ std::vector<std::string> getCC1ArgsForTesting(TestLanguage Lang) {
   case Lang_CXX20:
     Args = {"-std=c++20"};
     break;
+  case Lang_CXX23:
+    Args = {"-std=c++23"};
+    break;
   case Lang_OBJC:
     Args = {"-xobjective-c"};
     break;
@@ -96,6 +102,7 @@ StringRef getFilenameForTesting(TestLanguage Lang) {
   case Lang_CXX14:
   case Lang_CXX17:
   case Lang_CXX20:
+  case Lang_CXX23:
     return "input.cc";
 
   case Lang_OpenCL:

diff --git a/clang/test/Analysis/stream-error.c b/clang/test/Analysis/stream-error.c
@@ -11,6 +11,7 @@ void clang_analyzer_dump(int);
 void clang_analyzer_warnIfReached(void);
 void StreamTesterChecker_make_feof_stream(FILE *);
 void StreamTesterChecker_make_ferror_stream(FILE *);
+void StreamTesterChecker_make_ferror_indeterminate_stream(FILE *);
 
 void error_fopen(void) {
   FILE *F = fopen("file", "r");
@@ -52,6 +53,8 @@ void stream_error_feof(void) {
   clearerr(F);
   clang_analyzer_eval(feof(F));   // expected-warning {{FALSE}}
   clang_analyzer_eval(ferror(F)); // expected-warning {{FALSE}}
+  StreamTesterChecker_make_ferror_indeterminate_stream(F);
+  clang_analyzer_eval(feof(F));   // expected-warning {{FALSE}}
   fclose(F);
 }
 
@@ -65,6 +68,8 @@ void stream_error_ferror(void) {
   clearerr(F);
   clang_analyzer_eval(feof(F));   // expected-warning {{FALSE}}
   clang_analyzer_eval(ferror(F)); // expected-warning {{FALSE}}
+  StreamTesterChecker_make_ferror_indeterminate_stream(F);
+  clang_analyzer_eval(ferror(F)); // expected-warning {{TRUE}}
   fclose(F);
 }
 
@@ -233,7 +238,7 @@ void error_fscanf(int *A) {
   fscanf(F, "ccc"); // expected-warning {{Stream might be already closed}}
 }
 
-void error_ungetc() {
+void error_ungetc(int TestIndeterminate) {
   FILE *F = tmpfile();
   if (!F)
     return;
@@ -245,8 +250,12 @@ void error_ungetc() {
     clang_analyzer_eval(Ret == 'X');         // expected-warning {{TRUE}}
   }
   fputc('Y', F);                             // no-warning
+  if (TestIndeterminate) {
+    StreamTesterChecker_make_ferror_indeterminate_stream(F);
+    ungetc('X', F);                          // expected-warning {{might be 'indeterminate'}}
+  }
   fclose(F);
-  ungetc('A', F); // expected-warning {{Stream might be already closed}}
+  ungetc('A', F);                            // expected-warning {{Stream might be already closed}}
 }
 
 void error_getdelim(char *P, size_t Sz) {
@@ -449,7 +458,7 @@ void error_fseeko_0(void) {
   fclose(F);
 }
 
-void error_ftell(void) {
+void error_ftell(int TestIndeterminate) {
   FILE *F = fopen("file", "r");
   if (!F)
     return;
@@ -467,10 +476,14 @@ void error_ftell(void) {
   rc = ftell(F);
   clang_analyzer_eval(feof(F));              // expected-warning {{FALSE}}
   clang_analyzer_eval(ferror(F));            // expected-warning {{TRUE}}
+  if (TestIndeterminate) {
+    StreamTesterChecker_make_ferror_indeterminate_stream(F);
+    ftell(F);                                // expected-warning {{might be 'indeterminate'}}
+  }
   fclose(F);
 }
 
-void error_ftello(void) {
+void error_ftello(int TestIndeterminate) {
   FILE *F = fopen("file", "r");
   if (!F)
     return;
@@ -488,6 +501,10 @@ void error_ftello(void) {
   rc = ftello(F);
   clang_analyzer_eval(feof(F));              // expected-warning {{FALSE}}
   clang_analyzer_eval(ferror(F));            // expected-warning {{TRUE}}
+  if (TestIndeterminate) {
+    StreamTesterChecker_make_ferror_indeterminate_stream(F);
+    ftell(F);                                // expected-warning {{might be 'indeterminate'}}
+  }
   fclose(F);
 }
 
@@ -506,6 +523,8 @@ void error_fileno(void) {
   N = fileno(F);
   clang_analyzer_eval(feof(F));              // expected-warning {{FALSE}}
   clang_analyzer_eval(ferror(F));            // expected-warning {{TRUE}}
+  StreamTesterChecker_make_ferror_indeterminate_stream(F);
+  fileno(F);                                 // no warning
   fclose(F);
 }
 

diff --git a/clang/test/CXX/basic/basic.link/p10-ex2.cpp b/clang/test/CXX/basic/basic.link/p10-ex2.cpp
@@ -5,7 +5,9 @@
 //
 // RUN: %clang_cc1 -std=c++20 M.cpp -fsyntax-only -DTEST_INTERFACE -verify
 // RUN: %clang_cc1 -std=c++20 M.cpp -emit-module-interface -o M.pcm
+// RUN: %clang_cc1 -std=c++20 M.cpp -emit-reduced-module-interface -o M.reduced.pcm
 // RUN: %clang_cc1 -std=c++20 useM.cpp -fsyntax-only -fmodule-file=M=M.pcm -verify
+// RUN: %clang_cc1 -std=c++20 useM.cpp -fsyntax-only -fmodule-file=M=M.reduced.pcm -verify
 
 //--- decls.h
 int f(); // #1, attached to the global module

diff --git a/clang/test/CXX/basic/basic.lookup/basic.lookup.argdep/p4-friend-in-reachable-class.cpp b/clang/test/CXX/basic/basic.lookup/basic.lookup.argdep/p4-friend-in-reachable-class.cpp
@@ -8,7 +8,10 @@
 // RUN: split-file %s %t
 //
 // RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/Friend-in-reachable-class.cppm -o %t/X.pcm
-// RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t %t/Use.cpp -verify -fsyntax-only
+// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/Friend-in-reachable-class.cppm \
+// RUN:   -o %t/X.reduced.pcm
+// RUN: %clang_cc1 -std=c++20 -fmodule-file=X=%t/X.pcm %t/Use.cpp -verify -fsyntax-only
+// RUN: %clang_cc1 -std=c++20 -fmodule-file=X=%t/X.reduced.pcm %t/Use.cpp -verify -fsyntax-only
 //
 //--- Friend-in-reachable-class.cppm
 module;

diff --git a/clang/test/CXX/drs/dr25xx.cpp b/clang/test/CXX/drs/dr25xx.cpp
@@ -211,6 +211,32 @@ namespace dr2565 { // dr2565: 16 open 2023-06-07
 #endif
 }
 
+namespace dr2583 { // dr2583: 19
+#if __cplusplus >= 201103L
+struct A {
+  int i;
+  char c;
+};
+
+struct B {
+  int i;
+  alignas(8) char c;
+};
+
+union U {
+  A a;
+  B b;
+};
+
+union V {
+  A a;
+  alignas(64) B b;
+};
+
+static_assert(!__is_layout_compatible(A, B), "");
+static_assert(__is_layout_compatible(U, V), "");
+#endif
+} // namespace dr2583
 
 namespace dr2598 { // dr2598: 18
 #if __cplusplus >= 201103L

diff --git a/clang/test/CXX/drs/dr519.cpp b/clang/test/CXX/drs/dr519.cpp
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -std=c++98 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++11 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++14 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++17 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++20 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++23 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++2c %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+
+namespace dr519 { // dr519: 2.7
+void f() {
+  int *a = 0;
+  void *v = a;
+  bool c1 = v == static_cast<void *>(0);
+
+  void *w = 0;
+  int *b = static_cast<int*>(w);
+  bool c2 = b == static_cast<int *>(0);
+}
+} // namespace dr519
+
+// We're checking that `null`s that were initially stored in `a` and `w`
+// are simply copied over all the way to respective comparisons with `null`.
+
+// CHECK-LABEL: define {{.*}} void @dr519::f()()
+// CHECK:         store ptr null, ptr [[A:%.+]],
+// CHECK-NEXT:    [[TEMP_A:%.+]] = load ptr, ptr [[A]] 
+// CHECK-NEXT:    store ptr [[TEMP_A]], ptr [[V:%.+]],
+// CHECK-NEXT:    [[TEMP_V:%.+]] = load ptr, ptr [[V]]
+// CHECK-NEXT:    {{.+}} = icmp eq ptr [[TEMP_V]], null
+
+// CHECK:         store ptr null, ptr [[W:%.+]],
+// CHECK-NEXT:    [[TEMP_W:%.+]] = load ptr, ptr [[W]] 
+// CHECK-NEXT:    store ptr [[TEMP_W]], ptr [[B:%.+]],
+// CHECK-NEXT:    [[TEMP_B:%.+]] = load ptr, ptr [[B]]
+// CHECK-NEXT:    {{.+}} = icmp eq ptr [[TEMP_B]], null
+// CHECK-LABEL: }
diff --git a/clang/test/CXX/drs/dr571.cpp b/clang/test/CXX/drs/dr571.cpp
@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 -std=c++98 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++11 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++14 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++17 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++20 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++23 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++2c %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+
+namespace dr571 { // dr571: 2.7
+  typedef int &ir;
+  int n;
+  const ir r = n;
+  // expected-warning@-1 {{'const' qualifier on reference type 'ir' (aka 'int &') has no effect}}
+  ir r2 = n;
+}
+
+// Entities have external linkage by default.
+
+// CHECK: @dr571::r = constant ptr @dr571::n
+// CHECK: @dr571::r2 = constant ptr @dr571::n
diff --git a/clang/test/CXX/drs/dr5xx.cpp b/clang/test/CXX/drs/dr5xx.cpp
@@ -141,15 +141,7 @@ namespace dr518 { // dr518: yes c++11
   // cxx98-error@-1 {{commas at the end of enumerator lists are a C++11 extension}}
 }
 
-namespace dr519 { // dr519: yes
-// FIXME: Add a codegen test.
-#if __cplusplus >= 201103L
-#define fold(x) (__builtin_constant_p(x) ? (x) : (x))
-  int test[fold((int*)(void*)0) ? -1 : 1];
-#undef fold
-#endif
-}
-
+// dr519 is in dr519.cpp
 // dr520: na
 
 // dr521: no
@@ -800,14 +792,7 @@ namespace dr570 { // dr570: dup 633
   //   expected-note@#dr570-r {{previous definition is here}}
 }
 
-namespace dr571 { // dr571 unknown
-  // FIXME: Add a codegen test.
-  typedef int &ir;
-  int n;
-  // FIXME: Test if this has internal linkage.
-  const ir r = n;
-  // expected-warning@-1 {{'const' qualifier on reference type 'ir' (aka 'int &') has no effect}}
-}
+// dr571 is in dr571.cpp
 
 namespace dr572 { // dr572: yes
   enum E { a = 1, b = 2 };

diff --git a/clang/test/CodeGen/aarch64-sve2p1-intrinsics/acle_sve2p1_dupq.c b/clang/test/CodeGen/aarch64-sve2p1-intrinsics/acle_sve2p1_dupq.c
@@ -0,0 +1,213 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 2
+// REQUIRES: aarch64-registered-target
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2p1 -target-feature +bf16\
+// RUN:   -S -Werror -emit-llvm -disable-O0-optnone -o - %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s
+// RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2p1 -target-feature +bf16\
+// RUN:   -S -Werror -emit-llvm -disable-O0-optnone -o - %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2p1 -target-feature +bf16\
+// RUN:   -S -Werror -emit-llvm -disable-O0-optnone -o - -x c++ %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s -check-prefix=CPP-CHECK
+// RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2p1 -target-feature +bf16\
+// RUN:   -S -Werror -emit-llvm -disable-O0-optnone -o - -x c++ %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s -check-prefix=CPP-CHECK
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2p1 -target-feature +bf16 -S -disable-O0-optnone -Werror -Wall -o /dev/null %s
+
+
+#include <arm_sve.h>
+
+#ifdef SVE_OVERLOADED_FORMS
+// A simple used,unused... macro, long enough to represent any SVE builtin.
+#define SVE_ACLE_FUNC(A1, A2_UNUSED) A1
+#else
+#define SVE_ACLE_FUNC(A1, A2) A1##A2
+#endif
+
+// CHECK-LABEL: define dso_local <vscale x 16 x i8> @test_svdup_laneq_s8
+// CHECK-SAME: (<vscale x 16 x i8> [[ZN:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 16 x i8> @llvm.aarch64.sve.dup.laneq.nxv16i8(<vscale x 16 x i8> [[ZN]], i32 0)
+// CHECK-NEXT:    ret <vscale x 16 x i8> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 16 x i8> @_Z19test_svdup_laneq_s8u10__SVInt8_t
+// CPP-CHECK-SAME: (<vscale x 16 x i8> [[ZN:%.*]]) #[[ATTR0:[0-9]+]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 16 x i8> @llvm.aarch64.sve.dup.laneq.nxv16i8(<vscale x 16 x i8> [[ZN]], i32 0)
+// CPP-CHECK-NEXT:    ret <vscale x 16 x i8> [[TMP0]]
+//
+svint8_t test_svdup_laneq_s8(svint8_t zn) {
+    return SVE_ACLE_FUNC(svdup_laneq, _s8)(zn, 0);
+}
+
+// CHECK-LABEL: define dso_local <vscale x 16 x i8> @test_svdup_laneq_u8
+// CHECK-SAME: (<vscale x 16 x i8> [[ZN:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 16 x i8> @llvm.aarch64.sve.dup.laneq.nxv16i8(<vscale x 16 x i8> [[ZN]], i32 15)
+// CHECK-NEXT:    ret <vscale x 16 x i8> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 16 x i8> @_Z19test_svdup_laneq_u8u11__SVUint8_t
+// CPP-CHECK-SAME: (<vscale x 16 x i8> [[ZN:%.*]]) #[[ATTR0]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 16 x i8> @llvm.aarch64.sve.dup.laneq.nxv16i8(<vscale x 16 x i8> [[ZN]], i32 15)
+// CPP-CHECK-NEXT:    ret <vscale x 16 x i8> [[TMP0]]
+//
+svuint8_t test_svdup_laneq_u8(svuint8_t zn) {
+    return SVE_ACLE_FUNC(svdup_laneq, _u8)(zn, 15);
+}
+
+// CHECK-LABEL: define dso_local <vscale x 8 x i16> @test_svdup_laneq_s16
+// CHECK-SAME: (<vscale x 8 x i16> [[ZN:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 8 x i16> @llvm.aarch64.sve.dup.laneq.nxv8i16(<vscale x 8 x i16> [[ZN]], i32 1)
+// CHECK-NEXT:    ret <vscale x 8 x i16> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 8 x i16> @_Z20test_svdup_laneq_s16u11__SVInt16_t
+// CPP-CHECK-SAME: (<vscale x 8 x i16> [[ZN:%.*]]) #[[ATTR0]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 8 x i16> @llvm.aarch64.sve.dup.laneq.nxv8i16(<vscale x 8 x i16> [[ZN]], i32 1)
+// CPP-CHECK-NEXT:    ret <vscale x 8 x i16> [[TMP0]]
+//
+svint16_t test_svdup_laneq_s16(svint16_t zn) {
+    return SVE_ACLE_FUNC(svdup_laneq, _s16)(zn, 1);
+}
+
+// CHECK-LABEL: define dso_local <vscale x 8 x i16> @test_svdup_laneq_u16
+// CHECK-SAME: (<vscale x 8 x i16> [[ZN:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 8 x i16> @llvm.aarch64.sve.dup.laneq.nxv8i16(<vscale x 8 x i16> [[ZN]], i32 7)
+// CHECK-NEXT:    ret <vscale x 8 x i16> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 8 x i16> @_Z20test_svdup_laneq_u16u12__SVUint16_t
+// CPP-CHECK-SAME: (<vscale x 8 x i16> [[ZN:%.*]]) #[[ATTR0]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 8 x i16> @llvm.aarch64.sve.dup.laneq.nxv8i16(<vscale x 8 x i16> [[ZN]], i32 7)
+// CPP-CHECK-NEXT:    ret <vscale x 8 x i16> [[TMP0]]
+//
+svuint16_t test_svdup_laneq_u16(svuint16_t zn) {
+    return SVE_ACLE_FUNC(svdup_laneq, _u16)(zn, 7);
+}
+
+// CHECK-LABEL: define dso_local <vscale x 4 x i32> @test_svdup_laneq_s32
+// CHECK-SAME: (<vscale x 4 x i32> [[ZN:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 4 x i32> @llvm.aarch64.sve.dup.laneq.nxv4i32(<vscale x 4 x i32> [[ZN]], i32 2)
+// CHECK-NEXT:    ret <vscale x 4 x i32> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 4 x i32> @_Z20test_svdup_laneq_s32u11__SVInt32_t
+// CPP-CHECK-SAME: (<vscale x 4 x i32> [[ZN:%.*]]) #[[ATTR0]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 4 x i32> @llvm.aarch64.sve.dup.laneq.nxv4i32(<vscale x 4 x i32> [[ZN]], i32 2)
+// CPP-CHECK-NEXT:    ret <vscale x 4 x i32> [[TMP0]]
+//
+svint32_t test_svdup_laneq_s32(svint32_t zn) {
+    return SVE_ACLE_FUNC(svdup_laneq, _s32)(zn, 2);
+}
+
+// CHECK-LABEL: define dso_local <vscale x 4 x i32> @test_svdup_laneq_u32
+// CHECK-SAME: (<vscale x 4 x i32> [[ZN:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 4 x i32> @llvm.aarch64.sve.dup.laneq.nxv4i32(<vscale x 4 x i32> [[ZN]], i32 3)
+// CHECK-NEXT:    ret <vscale x 4 x i32> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 4 x i32> @_Z20test_svdup_laneq_u32u12__SVUint32_t
+// CPP-CHECK-SAME: (<vscale x 4 x i32> [[ZN:%.*]]) #[[ATTR0]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 4 x i32> @llvm.aarch64.sve.dup.laneq.nxv4i32(<vscale x 4 x i32> [[ZN]], i32 3)
+// CPP-CHECK-NEXT:    ret <vscale x 4 x i32> [[TMP0]]
+//
+svuint32_t test_svdup_laneq_u32(svuint32_t zn) {
+    return SVE_ACLE_FUNC(svdup_laneq, _u32)(zn, 3);
+}
+
+// CHECK-LABEL: define dso_local <vscale x 2 x i64> @test_svdup_laneq_s64
+// CHECK-SAME: (<vscale x 2 x i64> [[ZN:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 2 x i64> @llvm.aarch64.sve.dup.laneq.nxv2i64(<vscale x 2 x i64> [[ZN]], i32 0)
+// CHECK-NEXT:    ret <vscale x 2 x i64> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 2 x i64> @_Z20test_svdup_laneq_s64u11__SVInt64_t
+// CPP-CHECK-SAME: (<vscale x 2 x i64> [[ZN:%.*]]) #[[ATTR0]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 2 x i64> @llvm.aarch64.sve.dup.laneq.nxv2i64(<vscale x 2 x i64> [[ZN]], i32 0)
+// CPP-CHECK-NEXT:    ret <vscale x 2 x i64> [[TMP0]]
+//
+svint64_t test_svdup_laneq_s64(svint64_t zn) {
+    return SVE_ACLE_FUNC(svdup_laneq, _s64)(zn, 0);
+}
+
+// CHECK-LABEL: define dso_local <vscale x 2 x i64> @test_svdup_laneq_u64
+// CHECK-SAME: (<vscale x 2 x i64> [[ZN:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 2 x i64> @llvm.aarch64.sve.dup.laneq.nxv2i64(<vscale x 2 x i64> [[ZN]], i32 1)
+// CHECK-NEXT:    ret <vscale x 2 x i64> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 2 x i64> @_Z20test_svdup_laneq_u64u12__SVUint64_t
+// CPP-CHECK-SAME: (<vscale x 2 x i64> [[ZN:%.*]]) #[[ATTR0]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 2 x i64> @llvm.aarch64.sve.dup.laneq.nxv2i64(<vscale x 2 x i64> [[ZN]], i32 1)
+// CPP-CHECK-NEXT:    ret <vscale x 2 x i64> [[TMP0]]
+//
+svuint64_t test_svdup_laneq_u64(svuint64_t zn) {
+    return SVE_ACLE_FUNC(svdup_laneq, _u64)(zn, 1);
+}
+
+// CHECK-LABEL: define dso_local <vscale x 8 x half> @test_svdup_laneq_f16
+// CHECK-SAME: (<vscale x 8 x half> [[ZN:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 8 x half> @llvm.aarch64.sve.dup.laneq.nxv8f16(<vscale x 8 x half> [[ZN]], i32 4)
+// CHECK-NEXT:    ret <vscale x 8 x half> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 8 x half> @_Z20test_svdup_laneq_f16u13__SVFloat16_t
+// CPP-CHECK-SAME: (<vscale x 8 x half> [[ZN:%.*]]) #[[ATTR0]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 8 x half> @llvm.aarch64.sve.dup.laneq.nxv8f16(<vscale x 8 x half> [[ZN]], i32 4)
+// CPP-CHECK-NEXT:    ret <vscale x 8 x half> [[TMP0]]
+//
+svfloat16_t test_svdup_laneq_f16(svfloat16_t zn) {
+    return SVE_ACLE_FUNC(svdup_laneq, _f16)(zn, 4);
+}
+
+// CHECK-LABEL: define dso_local <vscale x 4 x float> @test_svdup_laneq_f32
+// CHECK-SAME: (<vscale x 4 x float> [[ZN:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 4 x float> @llvm.aarch64.sve.dup.laneq.nxv4f32(<vscale x 4 x float> [[ZN]], i32 1)
+// CHECK-NEXT:    ret <vscale x 4 x float> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 4 x float> @_Z20test_svdup_laneq_f32u13__SVFloat32_t
+// CPP-CHECK-SAME: (<vscale x 4 x float> [[ZN:%.*]]) #[[ATTR0]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 4 x float> @llvm.aarch64.sve.dup.laneq.nxv4f32(<vscale x 4 x float> [[ZN]], i32 1)
+// CPP-CHECK-NEXT:    ret <vscale x 4 x float> [[TMP0]]
+//
+svfloat32_t test_svdup_laneq_f32(svfloat32_t zn) {
+    return SVE_ACLE_FUNC(svdup_laneq, _f32)(zn, 1);
+}
+
+// CHECK-LABEL: define dso_local <vscale x 2 x double> @test_svdup_laneq_f64
+// CHECK-SAME: (<vscale x 2 x double> [[ZN:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 2 x double> @llvm.aarch64.sve.dup.laneq.nxv2f64(<vscale x 2 x double> [[ZN]], i32 1)
+// CHECK-NEXT:    ret <vscale x 2 x double> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 2 x double> @_Z20test_svdup_laneq_f64u13__SVFloat64_t
+// CPP-CHECK-SAME: (<vscale x 2 x double> [[ZN:%.*]]) #[[ATTR0]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 2 x double> @llvm.aarch64.sve.dup.laneq.nxv2f64(<vscale x 2 x double> [[ZN]], i32 1)
+// CPP-CHECK-NEXT:    ret <vscale x 2 x double> [[TMP0]]
+//
+svfloat64_t test_svdup_laneq_f64(svfloat64_t zn) {
+    return SVE_ACLE_FUNC(svdup_laneq, _f64)(zn, 1);
+}
+
+// CHECK-LABEL: define dso_local <vscale x 8 x bfloat> @test_svdup_laneq_bf16
+// CHECK-SAME: (<vscale x 8 x bfloat> [[ZN:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 8 x bfloat> @llvm.aarch64.sve.dup.laneq.nxv8bf16(<vscale x 8 x bfloat> [[ZN]], i32 3)
+// CHECK-NEXT:    ret <vscale x 8 x bfloat> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 8 x bfloat> @_Z21test_svdup_laneq_bf16u14__SVBfloat16_t
+// CPP-CHECK-SAME: (<vscale x 8 x bfloat> [[ZN:%.*]]) #[[ATTR0]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 8 x bfloat> @llvm.aarch64.sve.dup.laneq.nxv8bf16(<vscale x 8 x bfloat> [[ZN]], i32 3)
+// CPP-CHECK-NEXT:    ret <vscale x 8 x bfloat> [[TMP0]]
+//
+svbfloat16_t test_svdup_laneq_bf16(svbfloat16_t zn) {
+    return SVE_ACLE_FUNC(svdup_laneq, _bf16)(zn, 3);
+}
diff --git a/clang/test/CodeGen/attr-availability-visionos.c b/clang/test/CodeGen/attr-availability-visionos.c
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -triple arm64-apple-xros1 -emit-llvm -o - %s 2>&1 | FileCheck %s
+
+__attribute__((availability(visionOS, introduced=1.1)))
+void introduced_1_1();
+
+void use() {
+  if (__builtin_available(visionOS 1.2, *))
+    introduced_1_1();
+  // CHECK: call i32 @__isPlatformVersionAtLeast(i32 11, i32 1, i32 2, i32 0)
+}
diff --git a/clang/test/CodeGen/tbaa-struct-relaxed-aliasing-with-tsan.cpp b/clang/test/CodeGen/tbaa-struct-relaxed-aliasing-with-tsan.cpp
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - -O1 -relaxed-aliasing -fsanitize=thread -disable-llvm-optzns %s | \
+// RUN:     FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin -new-struct-path-tbaa \
+// RUN:     -emit-llvm -o - -O1 -relaxed-aliasing -fsanitize=thread -disable-llvm-optzns %s | \
+// RUN:     FileCheck %s
+//
+// Check that we do not create tbaa for instructions generated for copies.
+// FIXME: !tbaa.struct is generated with null node as tag.
+
+// CHECK: !tbaa.struct
+// CHECK-NOT: !tbaa
+
+struct A {
+  short s;
+  int i;
+  char c;
+  int j;
+};
+
+void copyStruct(A *a1, A *a2) {
+  *a1 = *a2;
+}
+
+void copyInt(int *a, int *b) {
+  *a = *b;
+}
diff --git a/clang/test/CodeGen/tbaa-struct.cpp b/clang/test/CodeGen/tbaa-struct.cpp
@@ -151,6 +151,38 @@ void copy10(NamedBitfields3 *a1, NamedBitfields3 *a2) {
   *a1 = *a2;
 }
 
+union U2 {
+  double d;
+  float f;
+};
+
+struct UnionMember1 {
+  U2 u;
+  int p;
+};
+
+void copy11(UnionMember1 *a1, UnionMember1 *a2) {
+// CHECK-LABEL: _Z6copy11P12UnionMember1S0_
+// CHECK:   tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %a1, ptr noundef nonnull align 8 dereferenceable(16) %a2, i64 16, i1 false),
+// CHECK-OLD-SAME: !tbaa.struct [[TS9:!.*]]
+// CHECK-NEW-SAME: !tbaa [[TAG_UnionMember1:!.+]], !tbaa.struct
+  *a1 = *a2;
+}
+
+struct UnionMember2 {
+  int p;
+  U2 u;
+};
+
+void copy12(UnionMember2 *a1, UnionMember2 *a2) {
+// CHECK-LABEL: _Z6copy12P12UnionMember2S0_
+// CHECK:   tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %a1, ptr noundef nonnull align 8 dereferenceable(16) %a2, i64 16, i1 false),
+// CHECK-OLD-SAME: !tbaa.struct [[TS10:!.*]]
+// CHECK-NEW-SAME: !tbaa [[TAG_UnionMember2:!.+]], !tbaa.struct
+
+  *a1 = *a2;
+}
+
 // CHECK-OLD: [[TS]] = !{i64 0, i64 2, !{{.*}}, i64 4, i64 4, !{{.*}}, i64 8, i64 1, !{{.*}}, i64 12, i64 4, !{{.*}}}
 // CHECK-OLD: [[CHAR:!.*]] = !{!"omnipotent char", !{{.*}}}
 // CHECK-OLD: [[TAG_INT:!.*]] = !{[[INT:!.*]], [[INT]], i64 0}
@@ -167,6 +199,10 @@ void copy10(NamedBitfields3 *a1, NamedBitfields3 *a2) {
 // CHECK-OLD  [[DOUBLE]] = !{!"double", [[CHAR]], i64 0}
 // CHECK-OLD: [[TS7]] = !{i64 0, i64 1, [[TAG_CHAR]], i64 1, i64 1, [[TAG_CHAR]], i64 2, i64 1, [[TAG_CHAR]], i64 3, i64 1, [[TAG_CHAR]], i64 4, i64 1, [[TAG_CHAR]], i64 8, i64 8, [[TAG_DOUBLE]], i64 16, i64 1, [[TAG_CHAR]]}
 // CHECK-OLD: [[TS8]] = !{i64 0, i64 4, [[TAG_CHAR]], i64 8, i64 8, [[TAG_DOUBLE]]}
+// CHECK-OLD: [[TS9]] = !{i64 0, i64 8, [[TAG_DOUBLE]], i64 0, i64 4, [[TAG_FLOAT:!.+]], i64 8, i64 4, [[TAG_INT]]}
+// CHECK-OLD: [[TAG_FLOAT]]  = !{[[FLOAT:!.+]], [[FLOAT]], i64 0}
+// CHECK-OLD: [[FLOAT]] = !{!"float", [[CHAR]], i64 0}
+// CHECK-OLD: [[TS10]] = !{i64 0, i64 4, [[TAG_INT]], i64 8, i64 8, [[TAG_DOUBLE]], i64 8, i64 4, [[TAG_FLOAT:!.+]]}
 
 // CHECK-NEW-DAG: [[TYPE_char:!.*]] = !{{{.*}}, i64 1, !"omnipotent char"}
 // CHECK-NEW-DAG: [[TAG_char]] = !{[[TYPE_char]], [[TYPE_char]], i64 0, i64 0}
@@ -188,3 +224,7 @@ void copy10(NamedBitfields3 *a1, NamedBitfields3 *a2) {
 // CHECK-NEW-DAG: [[TYPE_NamedBitfields2]] = !{[[TYPE_char]], i64 24, !"_ZTS15NamedBitfields2", [[TYPE_char]], i64 0, i64 1, [[TYPE_char]], i64 1, i64 1, [[TYPE_char]], i64 2, i64 1, [[TYPE_int]], i64 3, i64 4, [[TYPE_int]], i64 3, i64 4, [[TYPE_char]], i64 4, i64 1, [[TYPE_double]], i64 8, i64 8, [[TYPE_int]], i64 16, i64 4}
 // CHECK-NEW-DAG: [[TAG_NamedBitfields3]] = !{[[TYPE_NamedBitfields3:!.+]], [[TYPE_NamedBitfields3]], i64 0, i64 16}
 // CHECK-NEW-DAG: [[TYPE_NamedBitfields3]] = !{[[TYPE_char]], i64 16, !"_ZTS15NamedBitfields3", [[TYPE_int]], i64 1, i64 4, [[TYPE_int]], i64 2, i64 4, [[TYPE_double]], i64 8, i64 8}
+// CHECK-NEW-DAG: [[TAG_UnionMember1]] = !{[[TYPE_UnionMember1:!.+]], [[TYPE_UnionMember1]], i64 0, i64 16}
+// CHECK-NEW-DAG: [[TYPE_UnionMember1]] = !{[[TYPE_char]], i64 16, !"_ZTS12UnionMember1", [[TYPE_char]], i64 0, i64 8, [[TYPE_int]], i64 8, i64 4}
+// CHECK-NEW-DAG: [[TAG_UnionMember2]] = !{[[TYPE_UnionMember2:!.+]], [[TYPE_UnionMember2]], i64 0, i64 16}
+// CHECK-NEW-DAG: [[TYPE_UnionMember2]] = !{[[TYPE_char]], i64 16, !"_ZTS12UnionMember2", [[TYPE_int]], i64 0, i64 4, [[TYPE_char]], i64 8, i64 8}
diff --git a/clang/test/CodeGenCUDA/host-used-extern.cu b/clang/test/CodeGenCUDA/host-used-extern.cu
@@ -24,6 +24,7 @@
 
 // NEG-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel2v
 // NEG-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel3v
+// NEG-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel5v
 // NEG-NOT: @__clang_gpu_used_external = {{.*}} @var2
 // NEG-NOT: @__clang_gpu_used_external = {{.*}} @var3
 // NEG-NOT: @__clang_gpu_used_external = {{.*}} @ext_shvar
@@ -44,6 +45,10 @@ __global__ void kernel3();
 // kernel4 is marked as used even though it is not called.
 __global__ void kernel4();
 
+// kernel5 is not marked as used since it is called by host function
+// with weak_odr linkage, which may be dropped by linker.
+__global__ void kernel5();
+
 extern __device__ int var1;
 
 __device__ int var2;
@@ -67,3 +72,11 @@ __global__ void test_lambda_using_extern_shared() {
   };
   lambda();
 }
+
+template<class T>
+void template_caller() {
+  kernel5<<<1, 1>>>();
+  var1 = 1;
+}
+
+template void template_caller<int>();
diff --git a/clang/test/Driver/aarch64-mcpu.c b/clang/test/Driver/aarch64-mcpu.c
@@ -50,6 +50,8 @@
 // CORTEXA78: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a78"
 // RUN: %clang --target=aarch64 -mcpu=cortex-a78c  -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A78C %s
 // CORTEX-A78C: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a78c"
+// RUN: %clang --target=aarch64 -mcpu=cortex-a78ae  -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A78AE %s
+// CORTEX-A78AE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a78ae"
 // RUN: %clang --target=aarch64 -mcpu=cortex-a715  -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A715 %s
 // CORTEX-A715: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a715"
 // RUN: %clang --target=aarch64 -mcpu=cortex-a720  -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A720 %s

diff --git a/clang/test/Driver/arm-cortex-cpus-2.c b/clang/test/Driver/arm-cortex-cpus-2.c
@@ -537,6 +537,13 @@
 // CHECK-CORTEX-A78C-MFPU: "-target-feature" "+sha2"
 // CHECK-CORTEX-A78C-MFPU: "-target-feature" "+aes"
 
+// RUN: %clang -target armv8a-arm-none-eabi -mcpu=cortex-a78ae -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CORTEX-A78AE %s
+// RUN: %clang -target armv8a-arm-none-eabi -mcpu=cortex-a78ae -mfpu=crypto-neon-fp-armv8 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CORTEX-A78AE-MFPU %s
+// CHECK-CORTEX-A78AE: "-cc1"{{.*}} "-triple" "armv8.2a-{{.*}} "-target-cpu" "cortex-a78ae"
+// CHECK-CORTEX-A78AE-MFPU: "-cc1"{{.*}} "-target-feature" "+fp-armv8"
+// CHECK-CORTEX-A78AE-MFPU: "-target-feature" "+sha2"
+// CHECK-CORTEX-A78AE-MFPU: "-target-feature" "+aes"
+
 // RUN: %clang -target armv8a-arm-none-eabi -mcpu=cortex-a710 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CORTEX-A710 %s
 // RUN: %clang -target armv8a-arm-none-eabi -mcpu=cortex-a710 -mfpu=crypto-neon-fp-armv8 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CORTEX-A710-MFPU %s
 // CHECK-CORTEX-A710: "-cc1"{{.*}} "-triple" "armv9a-{{.*}} "-target-cpu" "cortex-a710"

diff --git a/clang/test/Driver/cuda-bad-arch.cu b/clang/test/Driver/cuda-bad-arch.cu
@@ -30,9 +30,9 @@
 // RUN: | FileCheck -check-prefix OK %s
 
 // We don't allow using NVPTX/AMDGCN for host compilation.
-// RUN: not %clang -### --cuda-host-only --target=nvptx-nvidia-cuda -nogpulib -nogpuinc -c %s 2>&1 \
+// RUN: not %clang -### --no-offload-new-driver --cuda-host-only --target=nvptx-nvidia-cuda -nogpulib -nogpuinc -c %s 2>&1 \
 // RUN: | FileCheck -check-prefix HOST_NVPTX %s
-// RUN: not %clang -### --cuda-host-only --target=amdgcn-amd-amdhsa -nogpulib -nogpuinc -c %s 2>&1 \
+// RUN: not %clang -### --no-offload-new-driver --cuda-host-only --target=amdgcn-amd-amdhsa -nogpulib -nogpuinc -c %s 2>&1 \
 // RUN: | FileCheck -check-prefix HOST_AMDGCN %s
 
 // OK-NOT: error: Unsupported CUDA gpu architecture

diff --git a/clang/test/Driver/cuda-external-tools.cu b/clang/test/Driver/cuda-external-tools.cu
@@ -25,7 +25,7 @@
 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM35,OPT3 %s
 // Generating relocatable device code
 // RUN: %clang -### --target=x86_64-linux-gnu -fgpu-rdc -c %s 2>&1 \
-// RUN:   --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
+// RUN:   --no-offload-new-driver --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM35,RDC %s
 
 // With debugging enabled, ptxas should be run with with no ptxas optimizations.
@@ -59,7 +59,7 @@
 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM35 %s
 // Separate compilation targeting sm_35.
 // RUN: %clang -### --target=x86_64-linux-gnu --cuda-gpu-arch=sm_35 -fgpu-rdc -c %s 2>&1 \
-// RUN:   --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
+// RUN:   --no-offload-new-driver --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM35,RDC %s
 
 // 32-bit compile.
@@ -68,7 +68,7 @@
 // RUN: | FileCheck -check-prefixes=CHECK,ARCH32,SM35 %s
 // 32-bit compile when generating relocatable device code.
 // RUN: %clang -### --target=i386-linux-gnu -fgpu-rdc -c %s 2>&1 \
-// RUN:   --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
+// RUN:   --no-offload-new-driver --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
 // RUN: | FileCheck -check-prefixes=CHECK,ARCH32,SM35,RDC %s
 
 // Compile with -fintegrated-as.  This should still cause us to invoke ptxas.
@@ -77,7 +77,7 @@
 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM35,OPT0 %s
 // Check that we still pass -c when generating relocatable device code.
 // RUN: %clang -### --target=x86_64-linux-gnu -fintegrated-as -fgpu-rdc -c %s 2>&1 \
-// RUN:   --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
+// RUN:   --no-offload-new-driver --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM35,RDC %s
 
 // Check -Xcuda-ptxas and -Xcuda-fatbinary
@@ -99,13 +99,13 @@
 
 // Check relocatable device code generation on MacOS.
 // RUN: %clang -### --target=x86_64-apple-macosx -O0 -fgpu-rdc -c %s 2>&1 \
-// RUN:   --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
+// RUN:   --no-offload-new-driver --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM35,RDC %s
 // RUN: %clang -### --target=x86_64-apple-macosx --cuda-gpu-arch=sm_35 -fgpu-rdc -c %s 2>&1 \
-// RUN:   --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
+// RUN:   --no-offload-new-driver --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM35,RDC %s
 // RUN: %clang -### --target=i386-apple-macosx -fgpu-rdc -c %s 2>&1 \
-// RUN:   --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
+// RUN:   --no-offload-new-driver --offload-arch=sm_35 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
 // RUN: | FileCheck -check-prefixes=CHECK,ARCH32,SM35,RDC %s
 
 // Check that CLANG forwards the -v flag to PTXAS.

diff --git a/clang/test/Driver/cuda-phases.cu b/clang/test/Driver/cuda-phases.cu
@@ -11,7 +11,7 @@
 //
 // Test CUDA NVPTX phases.
 // RUN: %clang -target powerpc64le-ibm-linux-gnu -ccc-print-phases \
-// RUN: --cuda-gpu-arch=sm_30 %s 2>&1 \
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=sm_30 %s 2>&1 \
 // RUN: | FileCheck -check-prefixes=BIN %s
 //
 // BIN-DAG: [[P0:[0-9]+]]: input, "{{.*}}cuda-phases.cu", [[T:cuda]], (host-[[T]])
@@ -34,7 +34,7 @@
 // Test single gpu architecture up to the assemble phase.
 //
 // RUN: %clang -target powerpc64le-ibm-linux-gnu -ccc-print-phases \
-// RUN: --cuda-gpu-arch=sm_30 %s -S 2>&1 \
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=sm_30 %s -S 2>&1 \
 // RUN: | FileCheck -check-prefixes=ASM %s
 // ASM-DAG: [[P0:[0-9]+]]: input, "{{.*}}cuda-phases.cu", [[T:cuda]], (device-[[T]], [[ARCH:sm_30]])
 // ASM-DAG: [[P1:[0-9]+]]: preprocessor, {[[P0]]}, [[T]]-cpp-output, (device-[[T]], [[ARCH]])
@@ -50,7 +50,7 @@
 // Test two gpu architectures with complete compilation.
 //
 // RUN: %clang -target powerpc64le-ibm-linux-gnu -ccc-print-phases \
-// RUN: --cuda-gpu-arch=sm_30 --cuda-gpu-arch=sm_35 %s 2>&1 \
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=sm_30 --cuda-gpu-arch=sm_35 %s 2>&1 \
 // RUN: | FileCheck -check-prefixes=BIN2 %s
 // BIN2-DAG: [[P0:[0-9]+]]: input, "{{.*}}cuda-phases.cu", [[T:cuda]], (host-[[T]])
 // BIN2-DAG: [[P1:[0-9]+]]: preprocessor, {[[P0]]}, [[T]]-cpp-output, (host-[[T]])
@@ -79,7 +79,7 @@
 // Test two gpu architecturess up to the assemble phase.
 //
 // RUN: %clang -target powerpc64le-ibm-linux-gnu -ccc-print-phases \
-// RUN: --cuda-gpu-arch=sm_30 --cuda-gpu-arch=sm_35 %s -S 2>&1 \
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=sm_30 --cuda-gpu-arch=sm_35 %s -S 2>&1 \
 // RUN: | FileCheck -check-prefixes=ASM2 %s
 // ASM2-DAG: [[P0:[0-9]+]]: input, "{{.*}}cuda-phases.cu", [[T:cuda]], (device-[[T]], [[ARCH1:sm_30]])
 // ASM2-DAG: [[P1:[0-9]+]]: preprocessor, {[[P0]]}, [[T]]-cpp-output, (device-[[T]], [[ARCH1]])
@@ -101,7 +101,7 @@
 // compilation mode.
 //
 // RUN: %clang -target powerpc64le-ibm-linux-gnu -ccc-print-phases \
-// RUN: --cuda-gpu-arch=sm_30 %s --cuda-host-only 2>&1 \
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=sm_30 %s --cuda-host-only 2>&1 \
 // RUN: | FileCheck -check-prefixes=HBIN %s
 // HBIN-DAG: [[P0:[0-9]+]]: input, "{{.*}}cuda-phases.cu", [[T:cuda]], (host-[[T]])
 // HBIN-DAG: [[P1:[0-9]+]]: preprocessor, {[[P0]]}, [[T]]-cpp-output, (host-[[T]])
@@ -115,7 +115,7 @@
 // compilation mode.
 //
 // RUN: %clang -target powerpc64le-ibm-linux-gnu -ccc-print-phases \
-// RUN: --cuda-gpu-arch=sm_30 %s --cuda-host-only -S 2>&1 \
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=sm_30 %s --cuda-host-only -S 2>&1 \
 // RUN: | FileCheck -check-prefixes=HASM %s
 // HASM-DAG: [[P0:[0-9]+]]: input, "{{.*}}cuda-phases.cu", [[T:cuda]], (host-[[T]])
 // HASM-DAG: [[P1:[0-9]+]]: preprocessor, {[[P0]]}, [[T]]-cpp-output, (host-[[T]])
@@ -128,7 +128,7 @@
 // compilation mode.
 //
 // RUN: %clang -target powerpc64le-ibm-linux-gnu -ccc-print-phases \
-// RUN: --cuda-gpu-arch=sm_30 --cuda-gpu-arch=sm_35 %s --cuda-host-only 2>&1 \
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=sm_30 --cuda-gpu-arch=sm_35 %s --cuda-host-only 2>&1 \
 // RUN: | FileCheck -check-prefixes=HBIN2 %s
 // HBIN2-DAG: [[P0:[0-9]+]]: input, "{{.*}}cuda-phases.cu", [[T:cuda]], (host-[[T]])
 // HBIN2-DAG: [[P1:[0-9]+]]: preprocessor, {[[P0]]}, [[T]]-cpp-output, (host-[[T]])
@@ -143,7 +143,7 @@
 // compilation mode.
 //
 // RUN: %clang -target powerpc64le-ibm-linux-gnu -ccc-print-phases \
-// RUN: --cuda-gpu-arch=sm_30 --cuda-gpu-arch=sm_35 %s --cuda-host-only -S \
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=sm_30 --cuda-gpu-arch=sm_35 %s --cuda-host-only -S \
 // RUN: 2>&1 | FileCheck -check-prefixes=HASM2 %s
 // HASM2-DAG: [[P0:[0-9]+]]: input, "{{.*}}cuda-phases.cu", [[T:cuda]], (host-[[T]])
 // HASM2-DAG: [[P1:[0-9]+]]: preprocessor, {[[P0]]}, [[T]]-cpp-output, (host-[[T]])
@@ -156,7 +156,7 @@
 // compilation mode.
 //
 // RUN: %clang -target powerpc64le-ibm-linux-gnu -ccc-print-phases \
-// RUN: --cuda-gpu-arch=sm_30 %s --cuda-device-only 2>&1 \
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=sm_30 %s --cuda-device-only 2>&1 \
 // RUN: | FileCheck -check-prefixes=DBIN %s
 // DBIN-DAG: [[P0:[0-9]+]]: input, "{{.*}}cuda-phases.cu", [[T:cuda]], (device-[[T]], [[ARCH:sm_30]])
 // DBIN-DAG: [[P1:[0-9]+]]: preprocessor, {[[P0]]}, [[T]]-cpp-output, (device-[[T]], [[ARCH]])
@@ -170,7 +170,7 @@
 // compilation mode.
 //
 // RUN: %clang -target powerpc64le-ibm-linux-gnu -ccc-print-phases \
-// RUN: --cuda-gpu-arch=sm_30 %s --cuda-device-only -S 2>&1 \
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=sm_30 %s --cuda-device-only -S 2>&1 \
 // RUN: | FileCheck -check-prefixes=DASM %s
 // DASM-DAG: [[P0:[0-9]+]]: input, "{{.*}}cuda-phases.cu", [[T:cuda]], (device-[[T]], [[ARCH:sm_30]])
 // DASM-DAG: [[P1:[0-9]+]]: preprocessor, {[[P0]]}, [[T]]-cpp-output, (device-[[T]], [[ARCH]])
@@ -184,7 +184,7 @@
 // compilation mode.
 //
 // RUN: %clang -target powerpc64le-ibm-linux-gnu -ccc-print-phases \
-// RUN: --cuda-gpu-arch=sm_30 --cuda-gpu-arch=sm_35 %s --cuda-device-only 2>&1 \
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=sm_30 --cuda-gpu-arch=sm_35 %s --cuda-device-only 2>&1 \
 // RUN: | FileCheck -check-prefixes=DBIN2 %s
 // DBIN2-DAG: [[P0:[0-9]+]]: input, "{{.*}}cuda-phases.cu", [[T:cuda]], (device-[[T]], [[ARCH:sm_30]])
 // DBIN2-DAG: [[P1:[0-9]+]]: preprocessor, {[[P0]]}, [[T]]-cpp-output, (device-[[T]], [[ARCH]])
@@ -204,7 +204,7 @@
 // compilation mode.
 //
 // RUN: %clang -target powerpc64le-ibm-linux-gnu -ccc-print-phases \
-// RUN: --cuda-gpu-arch=sm_30 --cuda-gpu-arch=sm_35 %s --cuda-device-only -S \
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=sm_30 --cuda-gpu-arch=sm_35 %s --cuda-device-only -S \
 // RUN: 2>&1 | FileCheck -check-prefixes=DASM2 %s
 // DASM2-DAG: [[P0:[0-9]+]]: input, "{{.*}}cuda-phases.cu", [[T:cuda]], (device-[[T]], [[ARCH:sm_30]])
 // DASM2-DAG: [[P1:[0-9]+]]: preprocessor, {[[P0]]}, [[T]]-cpp-output, (device-[[T]], [[ARCH]])
@@ -244,31 +244,32 @@
 // NEW-DRIVER-RDC-NEXT: 18: assembler, {17}, object, (host-cuda)
 // NEW-DRIVER-RDC-NEXT: 19: clang-linker-wrapper, {18}, image, (host-cuda)
 
-// RUN: %clang -### -target powerpc64le-ibm-linux-gnu -ccc-print-phases --offload-new-driver -fgpu-rdc \
+// RUN: %clang -### -target powerpc64le-ibm-linux-gnu -ccc-print-phases --offload-new-driver \
 // RUN:   --offload-arch=sm_52 --offload-arch=sm_70 %s 2>&1 | FileCheck --check-prefix=NEW-DRIVER %s
-//      NEW-DRIVER: 0: input, "[[INPUT:.+]]", cuda
-// NEW-DRIVER-NEXT: 1: preprocessor, {0}, cuda-cpp-output
-// NEW-DRIVER-NEXT: 2: compiler, {1}, ir
-// NEW-DRIVER-NEXT: 3: input, "[[INPUT]]", cuda, (device-cuda, sm_52)
+//      NEW-DRIVER: 0: input, "[[CUDA:.+]]", cuda, (host-cuda)
+// NEW-DRIVER-NEXT: 1: preprocessor, {0}, cuda-cpp-output, (host-cuda)
+// NEW-DRIVER-NEXT: 2: compiler, {1}, ir, (host-cuda)
+// NEW-DRIVER-NEXT: 3: input, "[[CUDA]]", cuda, (device-cuda, sm_52)
 // NEW-DRIVER-NEXT: 4: preprocessor, {3}, cuda-cpp-output, (device-cuda, sm_52)
 // NEW-DRIVER-NEXT: 5: compiler, {4}, ir, (device-cuda, sm_52)
 // NEW-DRIVER-NEXT: 6: backend, {5}, assembler, (device-cuda, sm_52)
 // NEW-DRIVER-NEXT: 7: assembler, {6}, object, (device-cuda, sm_52)
-// NEW-DRIVER-NEXT: 8: offload, "device-cuda (nvptx64-nvidia-cuda:sm_52)" {7}, object
-// NEW-DRIVER-NEXT: 9: input, "[[INPUT]]", cuda, (device-cuda, sm_70)
+// NEW-DRIVER-NEXT: 8: offload, "device-cuda (nvptx64-nvidia-cuda:sm_52)" {7}, "device-cuda (nvptx64-nvidia-cuda:sm_52)" {6}, object
+// NEW-DRIVER-NEXT: 9: input, "[[CUDA]]", cuda, (device-cuda, sm_70)
 // NEW-DRIVER-NEXT: 10: preprocessor, {9}, cuda-cpp-output, (device-cuda, sm_70)
 // NEW-DRIVER-NEXT: 11: compiler, {10}, ir, (device-cuda, sm_70)
 // NEW-DRIVER-NEXT: 12: backend, {11}, assembler, (device-cuda, sm_70)
 // NEW-DRIVER-NEXT: 13: assembler, {12}, object, (device-cuda, sm_70)
-// NEW-DRIVER-NEXT: 14: offload, "device-cuda (nvptx64-nvidia-cuda:sm_70)" {13}, object
-// NEW-DRIVER-NEXT: 15: clang-offload-packager, {8, 14}, image
-// NEW-DRIVER-NEXT: 16: offload, "host-cuda (powerpc64le-ibm-linux-gnu)" {2}, "device-cuda (powerpc64le-ibm-linux-gnu)" {15}, ir
+// NEW-DRIVER-NEXT: 14: offload, "device-cuda (nvptx64-nvidia-cuda:sm_70)" {13}, "device-cuda (nvptx64-nvidia-cuda:sm_70)" {12}, object
+// NEW-DRIVER-NEXT: 15: linker, {8, 14}, cuda-fatbin, (device-cuda)
+// NEW-DRIVER-NEXT: 16: offload, "host-cuda (powerpc64le-ibm-linux-gnu)" {2}, "device-cuda (nvptx64-nvidia-cuda)" {15}, ir
 // NEW-DRIVER-NEXT: 17: backend, {16}, assembler, (host-cuda)
 // NEW-DRIVER-NEXT: 18: assembler, {17}, object, (host-cuda)
 // NEW-DRIVER-NEXT: 19: clang-linker-wrapper, {18}, image, (host-cuda)
 
 // RUN: %clang -### --target=powerpc64le-ibm-linux-gnu -ccc-print-phases --offload-new-driver \
 // RUN:   --offload-arch=sm_52 --offload-arch=sm_70 %s %S/Inputs/empty.cpp 2>&1 | FileCheck --check-prefix=NON-CUDA-INPUT %s
+
 //      NON-CUDA-INPUT: 0: input, "[[CUDA:.+]]", cuda, (host-cuda)
 // NON-CUDA-INPUT-NEXT: 1: preprocessor, {0}, cuda-cpp-output, (host-cuda)
 // NON-CUDA-INPUT-NEXT: 2: compiler, {1}, ir, (host-cuda)
@@ -277,13 +278,13 @@
 // NON-CUDA-INPUT-NEXT: 5: compiler, {4}, ir, (device-cuda, sm_52)
 // NON-CUDA-INPUT-NEXT: 6: backend, {5}, assembler, (device-cuda, sm_52)
 // NON-CUDA-INPUT-NEXT: 7: assembler, {6}, object, (device-cuda, sm_52)
-// NON-CUDA-INPUT-NEXT: 8: offload, "device-cuda (nvptx64-nvidia-cuda:sm_52)" {7}, object
+// NON-CUDA-INPUT-NEXT: 8: offload, "device-cuda (nvptx64-nvidia-cuda:sm_52)" {7}, "device-cuda (nvptx64-nvidia-cuda:sm_52)" {6}, object
 // NON-CUDA-INPUT-NEXT: 9: input, "[[CUDA]]", cuda, (device-cuda, sm_70)
 // NON-CUDA-INPUT-NEXT: 10: preprocessor, {9}, cuda-cpp-output, (device-cuda, sm_70)
 // NON-CUDA-INPUT-NEXT: 11: compiler, {10}, ir, (device-cuda, sm_70)
 // NON-CUDA-INPUT-NEXT: 12: backend, {11}, assembler, (device-cuda, sm_70)
 // NON-CUDA-INPUT-NEXT: 13: assembler, {12}, object, (device-cuda, sm_70)
-// NON-CUDA-INPUT-NEXT: 14: offload, "device-cuda (nvptx64-nvidia-cuda:sm_70)" {13}, object
+// NON-CUDA-INPUT-NEXT: 14: offload, "device-cuda (nvptx64-nvidia-cuda:sm_70)" {13}, "device-cuda (nvptx64-nvidia-cuda:sm_70)" {12}, object
 // NON-CUDA-INPUT-NEXT: 15: linker, {8, 14}, cuda-fatbin, (device-cuda)
 // NON-CUDA-INPUT-NEXT: 16: offload, "host-cuda (powerpc64le-ibm-linux-gnu)" {2}, "device-cuda (nvptx64-nvidia-cuda)" {15}, ir
 // NON-CUDA-INPUT-NEXT: 17: backend, {16}, assembler, (host-cuda)

diff --git a/clang/test/Driver/hip-binding.hip b/clang/test/Driver/hip-binding.hip
@@ -3,10 +3,10 @@
 
 // RUN: %clang -ccc-print-bindings --target=x86_64-linux-gnu \
 // RUN:   --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 %s \
-// RUN:   -c 2>&1 | FileCheck -check-prefix=NRDCS %s
+// RUN:   --no-offload-new-driver -c 2>&1 | FileCheck -check-prefix=NRDCS %s
 // RUN: %clang -ccc-print-bindings --target=x86_64-linux-gnu --offload-new-driver \
 // RUN:   --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 %s \
-// RUN:   -c 2>&1 | FileCheck -check-prefix=NRDCS %s
+// RUN:   --no-offload-new-driver -c 2>&1 | FileCheck -check-prefix=NRDCS %s
 // NRDCS: # "amdgcn-amd-amdhsa" - "clang", inputs: ["[[IN:.*hip-binding.hip]]"], output: "[[OBJ1:.*o]]"
 // NRDCS: # "amdgcn-amd-amdhsa" - "AMDGCN::Linker", inputs: ["[[OBJ1]]"], output: "[[IMG1:.*]]"
 // NRDCS: # "amdgcn-amd-amdhsa" - "clang", inputs: ["[[IN:.*hip-binding.hip]]"], output: "[[OBJ2:.*o]]"
@@ -16,7 +16,7 @@
 
 // RUN: %clang -ccc-print-bindings --target=x86_64-linux-gnu \
 // RUN:   --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 %s \
-// RUN:   -c -fgpu-rdc 2>&1 | FileCheck -check-prefix=RDCS %s
+// RUN:   --no-offload-new-driver -c -fgpu-rdc 2>&1 | FileCheck -check-prefix=RDCS %s
 // RDCS: # "amdgcn-amd-amdhsa" - "clang", inputs: ["[[IN:.*hip-binding.hip]]"], output: "[[BC1:.*bc]]"
 // RDCS: # "amdgcn-amd-amdhsa" - "clang", inputs: ["[[IN:.*hip-binding.hip]]"], output: "[[BC2:.*bc]]"
 // RDCS: # "x86_64-unknown-linux-gnu" - "clang", inputs: ["[[IN]]"], output: "[[HOSTOBJ:.*o]]"
@@ -32,7 +32,7 @@
 
 // RUN: touch %t.o
 // RUN: %clang --hip-link -ccc-print-bindings --target=x86_64-linux-gnu \
-// RUN:   --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 -fgpu-rdc %t.o\
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 -fgpu-rdc %t.o\
 // RUN: 2>&1 | FileCheck %s
 
 // CHECK: # "x86_64-unknown-linux-gnu" - "offload bundler", inputs: ["[[IN:.*o]]"], outputs: ["[[HOSTOBJ:.*o]]", "{{.*o}}", "{{.*o}}"]
@@ -46,7 +46,7 @@
 // CHECK: # "x86_64-unknown-linux-gnu" - "GNU::Linker", inputs: ["[[HOSTOBJ]]", "[[FATBINOBJ]]"], output: "a.out"
 
 // RUN: %clang --hip-link -ccc-print-bindings --target=x86_64-linux-gnu \
-// RUN:   --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 %t.o\
+// RUN:   --no-offload-new-driver --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 %t.o\
 // RUN: 2>&1 | FileCheck -check-prefix=NORDC %s
 
 // NORDC-NOT: offload bundler

diff --git a/clang/test/Driver/hip-cuid-hash.hip b/clang/test/Driver/hip-cuid-hash.hip
@@ -4,11 +4,11 @@
 // Check CUID generated by hash.
 // The same CUID is generated for the same file with the same options.
 
-// RUN: %clang -### -x hip --target=x86_64-unknown-linux-gnu \
+// RUN: %clang -### -x hip --target=x86_64-unknown-linux-gnu --no-offload-new-driver \
 // RUN:   --offload-arch=gfx906 -c -nogpuinc -nogpulib -fuse-cuid=hash \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu >%t.out 2>&1
 
-// RUN: %clang -### -x hip --target=x86_64-unknown-linux-gnu \
+// RUN: %clang -### -x hip --target=x86_64-unknown-linux-gnu --no-offload-new-driver \
 // RUN:   --offload-arch=gfx906 -c -nogpuinc -nogpulib -fuse-cuid=hash \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu >>%t.out 2>&1
 
@@ -17,11 +17,11 @@
 // Check CUID generated by hash.
 // Different CUID's are generated for the same file with different options.
 
-// RUN: %clang -### -x hip --target=x86_64-unknown-linux-gnu -DX=1 \
+// RUN: %clang -### -x hip --target=x86_64-unknown-linux-gnu -DX=1 --no-offload-new-driver \
 // RUN:   --offload-arch=gfx906 -c -nogpuinc -nogpulib -fuse-cuid=hash \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu >%t.out 2>&1
 
-// RUN: %clang -### -x hip --target=x86_64-unknown-linux-gnu -DX=2 \
+// RUN: %clang -### -x hip --target=x86_64-unknown-linux-gnu -DX=2 --no-offload-new-driver \
 // RUN:   --offload-arch=gfx906 -c -nogpuinc -nogpulib -fuse-cuid=hash \
 // RUN:   %S/Inputs/../Inputs/hip_multiple_inputs/a.cu >>%t.out 2>&1
 

diff --git a/clang/test/Driver/hip-cuid.hip b/clang/test/Driver/hip-cuid.hip
@@ -5,6 +5,7 @@
 
 // RUN: not %clang -### -x hip \
 // RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver \
 // RUN:   --offload-arch=gfx900 \
 // RUN:   --offload-arch=gfx906 \
 // RUN:   -c -nogpuinc -nogpulib -fuse-cuid=invalid \
@@ -16,6 +17,7 @@
 
 // RUN: %clang -### -x hip \
 // RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver \
 // RUN:   --offload-arch=gfx900 \
 // RUN:   --offload-arch=gfx906 \
 // RUN:   -c -nogpuinc -nogpulib -fuse-cuid=random \
@@ -27,6 +29,7 @@
 
 // RUN: %clang -### -x hip \
 // RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver \
 // RUN:   --offload-arch=gfx900 \
 // RUN:   --offload-arch=gfx906 \
 // RUN:   -c -nogpuinc -nogpulib -cuid=xyz_123 \
@@ -38,6 +41,7 @@
 
 // RUN: %clang -### -x hip \
 // RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver \
 // RUN:   --offload-arch=gfx900 \
 // RUN:   --offload-arch=gfx906 \
 // RUN:   -c -nogpuinc -nogpulib -fuse-cuid=random -cuid=xyz_123 \
@@ -49,6 +53,7 @@
 
 // RUN: %clang -### -x hip \
 // RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver \
 // RUN:   --offload-arch=gfx900 \
 // RUN:   --offload-arch=gfx906 \
 // RUN:   -c -nogpuinc -nogpulib -fuse-cuid=hash \

diff --git a/clang/test/Driver/hip-dependent-options.hip b/clang/test/Driver/hip-dependent-options.hip
@@ -1,4 +1,4 @@
-// RUN: not %clang -### --target=x86_64-linux-gnu \
+// RUN: not %clang -### --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -x hip --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 \
 // RUN:   -c -fhip-emit-relocatable -nogpuinc -nogpulib --cuda-device-only -fgpu-rdc \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu \
@@ -7,7 +7,7 @@
 
 // RELOCRDC: error: option '-fhip-emit-relocatable' cannot be specified with '-fgpu-rdc'
 
-// RUN: not %clang -### --target=x86_64-linux-gnu \
+// RUN: not %clang -### --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -x hip --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 \
 // RUN:   -c -fhip-emit-relocatable -nogpuinc -nogpulib \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu \

diff --git a/clang/test/Driver/hip-device-compile.hip b/clang/test/Driver/hip-device-compile.hip
@@ -8,55 +8,55 @@
 // Output unbundled bitcode.
 // RUN: %clang -c -emit-llvm --cuda-device-only -### --target=x86_64-linux-gnu \
 // RUN:   --rocm-path=%S/Inputs/rocm -o a.bc -x hip --cuda-gpu-arch=gfx900 --no-gpu-bundle-output \
-// RUN:   --hip-device-lib=lib1.bc \
+// RUN:   --no-offload-new-driver --hip-device-lib=lib1.bc \
 // RUN:   --hip-device-lib-path=%S/Inputs/hip_multiple_inputs/lib1 \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu \
 // RUN: 2>&1 | FileCheck -check-prefixes=CHECK,BC,NBUN %s
 
 // Output bundled bitcode.
 // RUN: %clang -c -emit-llvm --cuda-device-only -### --target=x86_64-linux-gnu \
 // RUN:   --rocm-path=%S/Inputs/rocm -o a.bc -x hip --cuda-gpu-arch=gfx900 --no-gpu-bundle-output \
-// RUN:   --hip-device-lib=lib1.bc \
+// RUN:   --no-offload-new-driver --hip-device-lib=lib1.bc \
 // RUN:   --hip-device-lib-path=%S/Inputs/hip_multiple_inputs/lib1 \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu --gpu-bundle-output \
 // RUN: 2>&1 | FileCheck -check-prefixes=CHECK,BCBUN %s
 
 // Output unbundled LLVM IR.
 // RUN: %clang -c -S -emit-llvm --cuda-device-only -### --target=x86_64-linux-gnu \
 // RUN:   --rocm-path=%S/Inputs/rocm -o a.ll -x hip --cuda-gpu-arch=gfx900 --no-gpu-bundle-output \
-// RUN:   --hip-device-lib=lib1.bc \
+// RUN:   --no-offload-new-driver --hip-device-lib=lib1.bc \
 // RUN:   --hip-device-lib-path=%S/Inputs/hip_multiple_inputs/lib1 \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu \
 // RUN: 2>&1 | FileCheck -check-prefixes=CHECK,LL,NBUN %s
 
 // Output bundled LLVM IR.
 // RUN: %clang -c -S -emit-llvm --cuda-device-only -### --target=x86_64-linux-gnu \
 // RUN:   --rocm-path=%S/Inputs/rocm -o a.ll -x hip --cuda-gpu-arch=gfx900 --no-gpu-bundle-output \
-// RUN:   --hip-device-lib=lib1.bc \
+// RUN:   --no-offload-new-driver --hip-device-lib=lib1.bc \
 // RUN:   --hip-device-lib-path=%S/Inputs/hip_multiple_inputs/lib1 \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu --gpu-bundle-output \
 // RUN: 2>&1 | FileCheck -check-prefixes=CHECK,LLBUN %s
 
 // Output unbundled assembly.
 // RUN: %clang -c -S --cuda-device-only -### --target=x86_64-linux-gnu \
 // RUN:   --rocm-path=%S/Inputs/rocm -o a.s -x hip --cuda-gpu-arch=gfx900 --no-gpu-bundle-output \
-// RUN:   --hip-device-lib=lib1.bc \
+// RUN:   --no-offload-new-driver --hip-device-lib=lib1.bc \
 // RUN:   --hip-device-lib-path=%S/Inputs/hip_multiple_inputs/lib1 \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu \
 // RUN: 2>&1 | FileCheck -check-prefixes=CHECK,ASM,NBUN %s
 
 // Output relocatable.
 // RUN: %clang -c --cuda-device-only -### --target=x86_64-linux-gnu \
 // RUN:   --rocm-path=%S/Inputs/rocm -o a.o -x hip --cuda-gpu-arch=gfx900 -fhip-emit-relocatable \
-// RUN:   --hip-device-lib=lib1.bc \
+// RUN:   --no-offload-new-driver --hip-device-lib=lib1.bc \
 // RUN:   --hip-device-lib-path=%S/Inputs/hip_multiple_inputs/lib1 \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu \
 // RUN: 2>&1 | FileCheck -check-prefixes=CHECK,NBUN,RELOC %s
 
 // Output bundled assembly.
 // RUN: %clang -c -S --cuda-device-only -### --target=x86_64-linux-gnu \
 // RUN:   --rocm-path=%S/Inputs/rocm -o a.s -x hip --cuda-gpu-arch=gfx900 --no-gpu-bundle-output \
-// RUN:   --hip-device-lib=lib1.bc \
+// RUN:   --no-offload-new-driver --hip-device-lib=lib1.bc \
 // RUN:   --hip-device-lib-path=%S/Inputs/hip_multiple_inputs/lib1 \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu --gpu-bundle-output \
 // RUN: 2>&1 | FileCheck -check-prefixes=CHECK,ASMBUN %s
@@ -96,31 +96,31 @@
 // Output bundled code objects.
 // RUN: %clang -c --cuda-device-only -### --target=x86_64-linux-gnu \
 // RUN:   --rocm-path=%S/Inputs/rocm -o a.o -x hip --cuda-gpu-arch=gfx900 \
-// RUN:   --hip-device-lib=lib1.bc \
+// RUN:   --no-offload-new-driver --hip-device-lib=lib1.bc \
 // RUN:   --hip-device-lib-path=%S/Inputs/hip_multiple_inputs/lib1 \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu \
 // RUN: 2>&1 | FileCheck -check-prefixes=OBJ,OBJ-BUN %s
 
 // Output unbundled code objects.
 // RUN: %clang -c --cuda-device-only -### --target=x86_64-linux-gnu \
 // RUN:   --rocm-path=%S/Inputs/rocm -o a.o -x hip --cuda-gpu-arch=gfx900 \
-// RUN:   --hip-device-lib=lib1.bc \
+// RUN:   --no-offload-new-driver --hip-device-lib=lib1.bc \
 // RUN:   --hip-device-lib-path=%S/Inputs/hip_multiple_inputs/lib1 \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu --no-gpu-bundle-output \
 // RUN: 2>&1 | FileCheck -check-prefixes=OBJ,OBJ-UBUN %s
 
 // Output bundled code objects.
 // RUN: %clang --cuda-device-only -### --target=x86_64-linux-gnu \
 // RUN:   --rocm-path=%S/Inputs/rocm -o a.o -x hip --cuda-gpu-arch=gfx900 \
-// RUN:   --hip-device-lib=lib1.bc \
+// RUN:   --no-offload-new-driver --hip-device-lib=lib1.bc \
 // RUN:   --hip-device-lib-path=%S/Inputs/hip_multiple_inputs/lib1 \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu \
 // RUN: 2>&1 | FileCheck -check-prefixes=OBJ,OBJ-BUN %s
 
 // Output unbundled code objects.
 // RUN: %clang --cuda-device-only -### --target=x86_64-linux-gnu \
 // RUN:   --rocm-path=%S/Inputs/rocm -o a.o -x hip --cuda-gpu-arch=gfx900 \
-// RUN:   --hip-device-lib=lib1.bc \
+// RUN:   --no-offload-new-driver --hip-device-lib=lib1.bc \
 // RUN:   --hip-device-lib-path=%S/Inputs/hip_multiple_inputs/lib1 \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu --no-gpu-bundle-output \
 // RUN: 2>&1 | FileCheck -check-prefixes=OBJ,OBJ-UBUN %s

diff --git a/clang/test/Driver/hip-link-bc-to-bc.hip b/clang/test/Driver/hip-link-bc-to-bc.hip
@@ -7,7 +7,7 @@
 
 // RUN: %clang -### --target=x86_64-unknown-linux-gnu --offload-arch=gfx906 --hip-link \
 // RUN:   -nogpulib -nogpuinc -emit-llvm -fgpu-rdc --cuda-device-only \
-// RUN:   %t/bundle1.bc %t/bundle2.bc \
+// RUN:   --no-offload-new-driver %t/bundle1.bc %t/bundle2.bc \
 // RUN:   2>&1 | FileCheck -check-prefix=BITCODE %s
 
 // BITCODE: "{{.*}}clang-offload-bundler" "-type=bc" "-targets=host-x86_64-unknown-linux-gnu,hip-amdgcn-amd-amdhsa-gfx906" "-input={{.*}}bundle1.bc" "-output=[[B1HOST:.*\.bc]]" "-output=[[B1DEV1:.*\.bc]]" "-unbundle" "-allow-missing-bundles"
@@ -24,7 +24,7 @@
 
 // RUN: %clang -### --target=x86_64-unknown-linux-gnu --offload-arch=gfx906 --hip-link \
 // RUN:   -nogpulib -nogpuinc -emit-llvm -fgpu-rdc --cuda-device-only \
-// RUN:   %t/bundle.bc -L%t -lhipbundle \
+// RUN:   --no-offload-new-driver %t/bundle.bc -L%t -lhipbundle \
 // RUN:   2>&1 | FileCheck -check-prefix=ARCHIVE %s
 
 // ARCHIVE: "{{.*}}clang-offload-bundler" "-type=bc" "-targets=host-x86_64-unknown-linux-gnu,hip-amdgcn-amd-amdhsa-gfx906" "-input={{.*}}bundle.bc" "-output=[[HOST:.*\.bc]]" "-output=[[DEV1:.*\.bc]]" "-unbundle" "-allow-missing-bundles"

diff --git a/clang/test/Driver/hip-link-bundle-archive.hip b/clang/test/Driver/hip-link-bundle-archive.hip
@@ -9,64 +9,64 @@
 // RUN: touch %t/dummy.bc
 // RUN: llvm-ar cr %t/libhipBundled.a %t/dummy.bc
 // RUN: %clang -### --offload-arch=gfx906 --offload-arch=gfx1030 \
-// RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver --target=x86_64-unknown-linux-gnu \
 // RUN:   -nogpuinc -nogpulib %s -fgpu-rdc -L%t -lhipBundled \
 // RUN:   2>&1 | FileCheck -check-prefixes=GNU,GNU1,GNU-L %s
 
 // RUN: %clang -### --offload-arch=gfx906 --offload-arch=gfx1030 -nogpuinc \
-// RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver --target=x86_64-unknown-linux-gnu \
 // RUN:   -nogpuinc -nogpulib %s -fgpu-rdc -L%t -l:libhipBundled.a \
 // RUN:   2>&1 | FileCheck -check-prefixes=GNU,GNU1,GNU-LA %s
 
 // RUN: %clang -### --offload-arch=gfx906 --offload-arch=gfx1030 \
-// RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver --target=x86_64-unknown-linux-gnu \
 // RUN:   -nogpuinc -nogpulib %s -fgpu-rdc %t/libhipBundled.a \
 // RUN:   2>&1 | FileCheck -check-prefixes=GNU,GNU1,GNU-A %s
 
 // RUN: llvm-ar cr %t/libhipBundled.a.5.2 %t/dummy.bc
 // RUN: %clang -### --offload-arch=gfx906 --offload-arch=gfx1030 \
-// RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver --target=x86_64-unknown-linux-gnu \
 // RUN:   -nogpuinc -nogpulib %s -fgpu-rdc %t/libhipBundled.a.5.2 \
 // RUN:   2>&1 | FileCheck -check-prefixes=GNU,GNU2,GNU-A %s
 
 // Check if a file is not an archive, it is not unbundled.
 
 // RUN: touch %t/libNonArchive.a
 // RUN: %clang -### --offload-arch=gfx906 --offload-arch=gfx1030 \
-// RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver --target=x86_64-unknown-linux-gnu \
 // RUN:   -nogpuinc -nogpulib %s -fgpu-rdc -L%t -lNonArchive \
 // RUN:   2>&1 | FileCheck -check-prefixes=NONARCHIVE %s
 // RUN: %clang -### --offload-arch=gfx906 --offload-arch=gfx1030 \
-// RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver --target=x86_64-unknown-linux-gnu \
 // RUN:   -nogpuinc -nogpulib %s -fgpu-rdc -L%t -l:libNonArchive.a \
 // RUN:   2>&1 | FileCheck -check-prefixes=NONARCHIVE %s
 // RUN: not %clang -### --offload-arch=gfx906 --offload-arch=gfx1030 \
-// RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver --target=x86_64-unknown-linux-gnu \
 // RUN:   -nogpuinc -nogpulib %s -fgpu-rdc -L%t libNonArchive.a \
 // RUN:   2>&1 | FileCheck -check-prefixes=NONARCHIVE %s
 
 // Check if a file does not exist, it is not unbundled.
 
 // RUN: not %clang -### --offload-arch=gfx906 --offload-arch=gfx1030 \
-// RUN:   --target=x86_64-unknown-linux-gnu \
+// RUN:   --no-offload-new-driver --target=x86_64-unknown-linux-gnu \
 // RUN:   -nogpuinc -nogpulib %s -fgpu-rdc %t/NoneExist.a \
 // RUN:   2>&1 | FileCheck -check-prefixes=NONE %s
 
 // Check unbundling archive for MSVC.
 
 // RUN: llvm-ar cr %t/hipBundled2.lib %t/dummy.bc
 // RUN: %clang -### --offload-arch=gfx906 --offload-arch=gfx1030 \
-// RUN:   --target=x86_64-pc-windows-msvc -fuse-ld= \
+// RUN:   --no-offload-new-driver --target=x86_64-pc-windows-msvc -fuse-ld= \
 // RUN:   -nogpuinc -nogpulib %s -fgpu-rdc -L%t -lhipBundled2 \
 // RUN:   2>&1 | FileCheck -check-prefix=MSVC %s
 
 // RUN: %clang -### --offload-arch=gfx906 --offload-arch=gfx1030 \
-// RUN:   --target=x86_64-pc-windows-msvc -fuse-ld= \
+// RUN:   --no-offload-new-driver --target=x86_64-pc-windows-msvc -fuse-ld= \
 // RUN:   -nogpuinc -nogpulib %s -fgpu-rdc -L%t -l:hipBundled2.lib \
 // RUN:   2>&1 | FileCheck -check-prefix=MSVC %s
 
 // RUN: %clang -### --offload-arch=gfx906 --offload-arch=gfx1030 \
-// RUN:   --target=x86_64-pc-windows-msvc -fuse-ld= \
+// RUN:   --no-offload-new-driver --target=x86_64-pc-windows-msvc -fuse-ld= \
 // RUN:   -nogpuinc -nogpulib %s -fgpu-rdc %t/hipBundled2.lib \
 // RUN:   2>&1 | FileCheck -check-prefix=MSVC %s
 

diff --git a/clang/test/Driver/hip-link-save-temps.hip b/clang/test/Driver/hip-link-save-temps.hip
@@ -7,14 +7,14 @@
 // RUN: touch %t/obj2.o
 // RUN: %clang -### --target=x86_64-linux-gnu -nogpulib -save-temps \
 // RUN:   --hip-link -o executable -fgpu-rdc --cuda-gpu-arch=gfx900 \
-// RUN:   --offload-arch=gfx906  %t/obj1.o %t/obj2.o 2>&1 | \
+// RUN:   --no-offload-new-driver --offload-arch=gfx906  %t/obj1.o %t/obj2.o 2>&1 | \
 // RUN:   FileCheck -check-prefixes=CHECK,OUT %s
 
 // -fgpu-rdc link without output
 // RUN: touch %t/obj1.o
 // RUN: touch %t/obj2.o
 // RUN: %clang -### --target=x86_64-linux-gnu -nogpulib -save-temps \
-// RUN:   --hip-link -fgpu-rdc --cuda-gpu-arch=gfx900 \
+// RUN:   --no-offload-new-driver --hip-link -fgpu-rdc --cuda-gpu-arch=gfx900 \
 // RUN:   --offload-arch=gfx906  %t/obj1.o %t/obj2.o 2>&1 | \
 // RUN:   FileCheck -check-prefixes=CHECK,NOUT %s
 
@@ -23,7 +23,7 @@
 // RUN: touch %t/obj2.o
 // RUN: %clang -### --target=x86_64-linux-gnu -nogpulib -save-temps \
 // RUN:   --hip-link -o libTest.a -fgpu-rdc --cuda-gpu-arch=gfx900 \
-// RUN:   --emit-static-lib \
+// RUN:   --no-offload-new-driver --emit-static-lib \
 // RUN:   --offload-arch=gfx906  %t/obj1.o %t/obj2.o 2>&1 | \
 // RUN:   FileCheck -check-prefixes=CHECK,SLO %s
 
@@ -32,7 +32,7 @@
 // RUN: touch %t/obj2.o
 // RUN: %clang -### --target=x86_64-linux-gnu -nogpulib -save-temps \
 // RUN:   --hip-link -fgpu-rdc --cuda-gpu-arch=gfx900 \
-// RUN:   --emit-static-lib \
+// RUN:   --no-offload-new-driver --emit-static-lib \
 // RUN:   --offload-arch=gfx906  %t/obj1.o %t/obj2.o 2>&1 | \
 // RUN:   FileCheck -check-prefixes=CHECK,SLNO %s
 

diff --git a/clang/test/Driver/hip-link-shared-library.hip b/clang/test/Driver/hip-link-shared-library.hip
@@ -1,7 +1,7 @@
 // RUN: touch %t.o
 // RUN: %clang --hip-link -ccc-print-bindings --target=x86_64-linux-gnu \
 // RUN:   --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 %t.o %S/Inputs/in.so \
-// RUN:   -fgpu-rdc 2>&1 | FileCheck %s
+// RUN:   --no-offload-new-driver -fgpu-rdc 2>&1 | FileCheck %s
 
 // CHECK: # "x86_64-unknown-linux-gnu" - "offload bundler", inputs: ["[[IN:.*o]]"], outputs: ["[[HOSTOBJ:.*o]]", "{{.*o}}", "{{.*o}}"]
 // CHECK: # "amdgcn-amd-amdhsa" - "offload bundler", inputs: ["[[IN]]"], outputs: ["{{.*o}}", "[[DOBJ1:.*o]]", "[[DOBJ2:.*o]]"]
@@ -12,4 +12,3 @@
 // CHECK: # "amdgcn-amd-amdhsa" - "AMDGCN::Linker", inputs: ["[[IMG1]]", "[[IMG2]]"], output: "[[FATBINOBJ:.*o]]"
 // CHECK-NOT: offload bundler
 // CHECK: # "x86_64-unknown-linux-gnu" - "GNU::Linker", inputs: ["[[HOSTOBJ]]", "{{.*}}/Inputs/in.so", "[[FATBINOBJ]]"], output: "a.out"
-
diff --git a/clang/test/Driver/hip-link-static-library.hip b/clang/test/Driver/hip-link-static-library.hip
@@ -3,7 +3,7 @@
 
 // RUN: touch %t.o
 // RUN: %clang --hip-link -ccc-print-bindings --target=x86_64-linux-gnu \
-// RUN:   --emit-static-lib \
+// RUN:   --no-offload-new-driver --emit-static-lib \
 // RUN:   --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 -fgpu-rdc %t.o\
 // RUN: 2>&1 | FileCheck %s
 
@@ -18,15 +18,15 @@
 // CHECK: # "x86_64-unknown-linux-gnu" - "GNU::StaticLibTool", inputs: ["[[HOSTOBJ]]", "[[FATBINOBJ]]"], output: "a.out"
 
 // RUN: %clang --hip-link -ccc-print-bindings --target=x86_64-linux-gnu \
-// RUN:   --emit-static-lib \
+// RUN:   --no-offload-new-driver --emit-static-lib \
 // RUN:   --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 %t.o\
 // RUN: 2>&1 | FileCheck -check-prefix=NORDC %s
 
 // NORDC-NOT: offload bundler
 // NORDC: # "x86_64-unknown-linux-gnu" - "GNU::StaticLibTool", inputs: ["{{.*o}}"], output: "a.out"
 
 // RUN: %clang --hip-link -### --target=x86_64-linux-gnu \
-// RUN:   --emit-static-lib -lgcc \
+// RUN:   --no-offload-new-driver --emit-static-lib -lgcc \
 // RUN:   -Wl,--enable-new-dtags -Wl,--rpath=/opt \
 // RUN:   --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 -fgpu-rdc %t.o\
 // RUN: 2>&1 | FileCheck -check-prefix=NOFLAG %s

diff --git a/clang/test/Driver/hip-offload-compress-zlib.hip b/clang/test/Driver/hip-offload-compress-zlib.hip
@@ -7,7 +7,7 @@
 // RUN: rm -rf %t.bc
 // RUN: %clang -c -v --target=x86_64-linux-gnu \
 // RUN:   -x hip --offload-arch=gfx1100 --offload-arch=gfx1101 \
-// RUN:   -fgpu-rdc -nogpuinc -nogpulib \
+// RUN:   --no-offload-new-driver -fgpu-rdc -nogpuinc -nogpulib \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu \
 // RUN:   --offload-compress --offload-device-only --gpu-bundle-output \
 // RUN:   -o %t.bc \
@@ -22,7 +22,7 @@
 
 // RUN: %clang --hip-link -### -v --target=x86_64-linux-gnu \
 // RUN:   --offload-arch=gfx1100 --offload-arch=gfx1101 \
-// RUN:   -fgpu-rdc -nogpulib \
+// RUN:   --no-offload-new-driver -fgpu-rdc -nogpulib \
 // RUN:   %t.bc --offload-device-only \
 // RUN: 2>&1 | FileCheck -check-prefix=UNBUNDLE %s
 
@@ -35,7 +35,7 @@
 
 // RUN: %clang -c -### -v --target=x86_64-linux-gnu \
 // RUN:   -x hip --offload-arch=gfx1100 --offload-arch=gfx1101 \
-// RUN:   -nogpuinc -nogpulib \
+// RUN:   --no-offload-new-driver -nogpuinc -nogpulib \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu \
 // RUN:   --offload-compress \
 // RUN: 2>&1 | FileCheck -check-prefix=CO %s

diff --git a/clang/test/Driver/hip-offload-compress-zstd.hip b/clang/test/Driver/hip-offload-compress-zstd.hip
@@ -7,7 +7,7 @@
 // RUN: rm -rf %t.bc
 // RUN: %clang -c -v --target=x86_64-linux-gnu \
 // RUN:   -x hip --offload-arch=gfx1100 --offload-arch=gfx1101 \
-// RUN:   -fgpu-rdc -nogpuinc -nogpulib \
+// RUN:   --no-offload-new-driver -fgpu-rdc -nogpuinc -nogpulib \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu \
 // RUN:   --offload-compress --offload-device-only --gpu-bundle-output \
 // RUN:   -o %t.bc \
@@ -22,7 +22,7 @@
 
 // RUN: %clang --hip-link -### -v --target=x86_64-linux-gnu \
 // RUN:   --offload-arch=gfx1100 --offload-arch=gfx1101 \
-// RUN:   -fgpu-rdc -nogpulib \
+// RUN:   --no-offload-new-driver -fgpu-rdc -nogpulib \
 // RUN:   %t.bc --offload-device-only \
 // RUN: 2>&1 | FileCheck -check-prefix=UNBUNDLE %s
 
@@ -35,7 +35,7 @@
 
 // RUN: %clang -c -### -v --target=x86_64-linux-gnu \
 // RUN:   -x hip --offload-arch=gfx1100 --offload-arch=gfx1101 \
-// RUN:   -nogpuinc -nogpulib \
+// RUN:   --no-offload-new-driver -nogpuinc -nogpulib \
 // RUN:   %S/Inputs/hip_multiple_inputs/a.cu \
 // RUN:   --offload-compress \
 // RUN: 2>&1 | FileCheck -check-prefix=CO %s

diff --git a/clang/test/Driver/hip-output-file-name.hip b/clang/test/Driver/hip-output-file-name.hip
@@ -2,7 +2,7 @@
 // REQUIRES: amdgpu-registered-target
 
 // Output bundled code objects for combined compilation.
-// RUN: %clang -### -c --target=x86_64-linux-gnu -fgpu-rdc \
+// RUN: %clang -### -c --target=x86_64-linux-gnu -fgpu-rdc --no-offload-new-driver \
 // RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 --offload-arch=gfx900 %s \
 // RUN: 2>&1 | FileCheck %s
 
@@ -13,42 +13,42 @@
 // is used to bundle the final output.
 
 // Output bundled PPE for one GPU for mixed compliation.
-// RUN: %clang -### -E --target=x86_64-linux-gnu \
+// RUN: %clang -### -E --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 %s \
 // RUN: 2>&1 | FileCheck -check-prefixes=DASH %s
 
 // Output unbundled PPE for one GPU for device only compilation.
 // RUN: %clang -### -E --offload-device-only --target=x86_64-linux-gnu \
-// RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 %s \
+// RUN:   --no-offload-new-driver -nogpulib -nogpuinc --offload-arch=gfx803 %s \
 // RUN: 2>&1 | FileCheck -check-prefixes=CLANG-DASH %s
 
 // Output bundled PPE for two GPUs for mixed compilation.
-// RUN: %clang -### -E --target=x86_64-linux-gnu \
+// RUN: %clang -### -E --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 --offload-arch=gfx900 %s \
 // RUN: 2>&1 | FileCheck -check-prefixes=DASH %s
 
 // Output bundled PPE for two GPUs for mixed compilation with -save-temps.
-// RUN: %clang -### -E -save-temps --target=x86_64-linux-gnu \
+// RUN: %clang -### -E -save-temps --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 --offload-arch=gfx900 %s \
 // RUN: 2>&1 | FileCheck -check-prefixes=DASH %s
 
 // Output unbundled PPE for two GPUs for device only compilation.
-// RUN: %clang -### -E --offload-device-only --target=x86_64-linux-gnu \
+// RUN: %clang -### -E --offload-device-only --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 --offload-arch=gfx900 %s \
 // RUN: 2>&1 | FileCheck -check-prefixes=CLANG-DASH %s
 
 // Output bundled PPE for two GPUs for device only compilation with --gpu-bundle-output.
-// RUN: %clang -### -E --offload-device-only --target=x86_64-linux-gnu \
+// RUN: %clang -### -E --offload-device-only --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 --offload-arch=gfx900 %s --gpu-bundle-output \
 // RUN: 2>&1 | FileCheck -check-prefixes=DASH %s
 
 // Output unbundled PPE for two GPUs for device only compilation with --no-gpu-bundle-output.
-// RUN: %clang -### -E --offload-device-only --target=x86_64-linux-gnu \
+// RUN: %clang -### -E --offload-device-only --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 --offload-arch=gfx900 %s --no-gpu-bundle-output \
 // RUN: 2>&1 | FileCheck -check-prefixes=CLANG-DASH %s
 
 // Output unbundled PPE for host only compilation.
-// RUN: %clang -### -E --offload-host-only --target=x86_64-linux-gnu \
+// RUN: %clang -### -E --offload-host-only --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 --offload-arch=gfx900 %s \
 // RUN: 2>&1 | FileCheck -check-prefixes=CLANG-DASH %s
 
@@ -60,22 +60,22 @@
 // Check -E with -o.
 
 // Output bundled PPE for two GPUs for mixed compilation.
-// RUN: %clang -### -E -o test.cui --target=x86_64-linux-gnu \
+// RUN: %clang -### -E -o test.cui --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 --offload-arch=gfx900 %s \
 // RUN: 2>&1 | FileCheck -check-prefixes=OUT %s
 
 // Output bundled PPE for two GPUs for mixed compilation.
-// RUN: %clang -### -E -o test.cui -save-temps --target=x86_64-linux-gnu \
+// RUN: %clang -### -E -o test.cui -save-temps --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 --offload-arch=gfx900 %s \
 // RUN: 2>&1 | FileCheck -check-prefixes=OUT %s
 
 // Output bundled PPE for two GPUs for device only compilation with --gpu-bundle-output.
-// RUN: %clang -### -E -o test.cui --offload-device-only --target=x86_64-linux-gnu \
+// RUN: %clang -### -E -o test.cui --offload-device-only --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 --offload-arch=gfx900 --gpu-bundle-output %s \
 // RUN: 2>&1 | FileCheck -check-prefixes=OUT %s
 
 // Output unbundled PPE for two GPUs for device only compilation.
-// RUN: %clang -### -E -o test.cui --offload-host-only --target=x86_64-linux-gnu \
+// RUN: %clang -### -E -o test.cui --offload-host-only --target=x86_64-linux-gnu --no-offload-new-driver \
 // RUN:   -nogpulib -nogpuinc --offload-arch=gfx803 --offload-arch=gfx900 %s \
 // RUN: 2>&1 | FileCheck -check-prefixes=CLANG-OUT %s
 

diff --git a/clang/test/Driver/hip-partial-link.hip b/clang/test/Driver/hip-partial-link.hip
@@ -1,14 +1,14 @@
 // REQUIRES: x86-registered-target, amdgpu-registered-target, lld, system-linux
 
-// RUN: %clang -x hip --target=x86_64-unknown-linux-gnu \
+// RUN: %clang -x hip --target=x86_64-unknown-linux-gnu --no-offload-new-driver \
 // RUN:   --offload-arch=gfx906 -c -nostdinc -nogpuinc -nohipwrapperinc \
 // RUN:   -nogpulib -fgpu-rdc -I%S/Inputs %s -o %t.1.o
 
-// RUN: %clang -x hip --target=x86_64-unknown-linux-gnu -DLIB \
+// RUN: %clang -x hip --target=x86_64-unknown-linux-gnu -DLIB --no-offload-new-driver \
 // RUN:   --offload-arch=gfx906 -c -nostdinc -nogpuinc -nohipwrapperinc \
 // RUN:   -nogpulib -fgpu-rdc -I%S/Inputs %s -o %t.2.o
 
-// RUN: %clang -x hip --target=x86_64-unknown-linux-gnu -DMAIN \
+// RUN: %clang -x hip --target=x86_64-unknown-linux-gnu -DMAIN --no-offload-new-driver \
 // RUN:   --offload-arch=gfx906 -c -nostdinc -nogpuinc -nohipwrapperinc \
 // RUN:   -nogpulib -fgpu-rdc -I%S/Inputs %s -o %t.main.o
 
@@ -24,7 +24,7 @@
 
 // Link %t.1.o and %t.2.o by -r and then link with %t.main.o
 
-// RUN: %clang -v --target=x86_64-unknown-linux-gnu \
+// RUN: %clang -v --target=x86_64-unknown-linux-gnu --no-offload-new-driver \
 // RUN:   --hip-link -fgpu-rdc --offload-arch=gfx906 \
 // RUN:   -r -fuse-ld=lld -nostdlib %t.1.o %t.2.o -o %t.lib.o \
 // RUN:   2>&1 | FileCheck -check-prefix=LD-R %s
@@ -46,15 +46,15 @@
 // OBJ:  D __hip_gpubin_handle_[[ID1]]
 // OBJ:  D __hip_gpubin_handle_[[ID2]]
 
-// RUN: %clang -v --target=x86_64-unknown-linux-gnu \
+// RUN: %clang -v --target=x86_64-unknown-linux-gnu --no-offload-new-driver \
 // RUN:   --hip-link -no-hip-rt -fgpu-rdc --offload-arch=gfx906 \
 // RUN:   -fuse-ld=lld -nostdlib -r %t.main.o %t.lib.o -o %t.final.o \
 // RUN:   2>&1 | FileCheck -check-prefix=LINK-O %s
 // LINK-O-NOT: Found undefined HIP {{.*}}symbol
 
 // Generate a static lib with %t.1.o and %t.2.o then link with %t.main.o
 
-// RUN: %clang -v --target=x86_64-unknown-linux-gnu \
+// RUN: %clang -v --target=x86_64-unknown-linux-gnu --no-offload-new-driver \
 // RUN:   --hip-link -fgpu-rdc --offload-arch=gfx906 \
 // RUN:   --emit-static-lib -fuse-ld=lld -nostdlib %t.1.o %t.2.o -o %t.a \
 // RUN:   2>&1 | FileCheck -check-prefix=STATIC %s
@@ -68,7 +68,7 @@
 // STATIC: "{{.*}}/llvm-mc" -triple x86_64-unknown-linux-gnu
 // STATIC: "{{.*}}/llvm-ar"
 
-// RUN: %clang -v --target=x86_64-unknown-linux-gnu \
+// RUN: %clang -v --target=x86_64-unknown-linux-gnu --no-offload-new-driver \
 // RUN:   --hip-link -no-hip-rt -fgpu-rdc --offload-arch=gfx906 \
 // RUN:   -fuse-ld=lld -nostdlib -r %t.main.o %t.a -o %t.final.o \
 // RUN:   2>&1 | FileCheck -check-prefix=LINK-A %s