diff --git a/clang/lib/Frontend/ASTConsumers.cpp b/clang/lib/Frontend/ASTConsumers.cpp
index 26154ee..043b254 100644
--- a/clang/lib/Frontend/ASTConsumers.cpp
+++ b/clang/lib/Frontend/ASTConsumers.cpp
@@ -139,7 +139,7 @@
 std::unique_ptr<ASTConsumer>
 clang::CreateASTPrinter(std::unique_ptr<raw_ostream> Out,
                         StringRef FilterString) {
-  return llvm::make_unique<ASTPrinter>(std::move(Out), ASTPrinter::Print,
+  return std::make_unique<ASTPrinter>(std::move(Out), ASTPrinter::Print,
                                        ADOF_Default, FilterString);
 }
 
@@ -148,7 +148,7 @@
                        bool DumpDecls, bool Deserialize, bool DumpLookups,
                        ASTDumpOutputFormat Format) {
   assert((DumpDecls || Deserialize || DumpLookups) && "nothing to dump");
-  return llvm::make_unique<ASTPrinter>(std::move(Out),
+  return std::make_unique<ASTPrinter>(std::move(Out),
                                        Deserialize ? ASTPrinter::DumpFull :
                                        DumpDecls ? ASTPrinter::Dump :
                                        ASTPrinter::None, Format,
@@ -156,7 +156,7 @@
 }
 
 std::unique_ptr<ASTConsumer> clang::CreateASTDeclNodeLister() {
-  return llvm::make_unique<ASTDeclNodeLister>(nullptr);
+  return std::make_unique<ASTDeclNodeLister>(nullptr);
 }
 
 //===----------------------------------------------------------------------===//
@@ -193,5 +193,5 @@
 }
 
 std::unique_ptr<ASTConsumer> clang::CreateASTViewer() {
-  return llvm::make_unique<ASTViewer>();
+  return std::make_unique<ASTViewer>();
 }
diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index 7e3f7a2..ac6e6b6 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -819,7 +819,7 @@
       /*isysroot=*/"",
       /*DisableValidation=*/disableValid, AllowPCHWithCompilerErrors);
 
-  AST->Reader->setListener(llvm::make_unique<ASTInfoCollector>(
+  AST->Reader->setListener(std::make_unique<ASTInfoCollector>(
       *AST->PP, AST->Ctx.get(), *AST->HSOpts, *AST->PPOpts, *AST->LangOpts,
       AST->TargetOpts, AST->Target, Counter));
 
@@ -999,9 +999,9 @@
   std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI,
                                                  StringRef InFile) override {
     CI.getPreprocessor().addPPCallbacks(
-        llvm::make_unique<MacroDefinitionTrackerPPCallbacks>(
+        std::make_unique<MacroDefinitionTrackerPPCallbacks>(
                                            Unit.getCurrentTopLevelHashValue()));
-    return llvm::make_unique<TopLevelDeclTrackerConsumer>(
+    return std::make_unique<TopLevelDeclTrackerConsumer>(
         Unit, Unit.getCurrentTopLevelHashValue());
   }
 
@@ -1049,7 +1049,7 @@
   }
 
   std::unique_ptr<PPCallbacks> createPPCallbacks() override {
-    return llvm::make_unique<MacroDefinitionTrackerPPCallbacks>(Hash);
+    return std::make_unique<MacroDefinitionTrackerPPCallbacks>(Hash);
   }
 
 private:
@@ -1624,15 +1624,15 @@
 
   if (Persistent && !TrackerAct) {
     Clang->getPreprocessor().addPPCallbacks(
-        llvm::make_unique<MacroDefinitionTrackerPPCallbacks>(
+        std::make_unique<MacroDefinitionTrackerPPCallbacks>(
                                            AST->getCurrentTopLevelHashValue()));
     std::vector<std::unique_ptr<ASTConsumer>> Consumers;
     if (Clang->hasASTConsumer())
       Consumers.push_back(Clang->takeASTConsumer());
-    Consumers.push_back(llvm::make_unique<TopLevelDeclTrackerConsumer>(
+    Consumers.push_back(std::make_unique<TopLevelDeclTrackerConsumer>(
         *AST, AST->getCurrentTopLevelHashValue()));
     Clang->setASTConsumer(
-        llvm::make_unique<MultiplexConsumer>(std::move(Consumers)));
+        std::make_unique<MultiplexConsumer>(std::move(Consumers)));
   }
   if (llvm::Error Err = Act->Execute()) {
     consumeError(std::move(Err)); // FIXME this drops errors on the floor.
diff --git a/clang/lib/Frontend/ChainedIncludesSource.cpp b/clang/lib/Frontend/ChainedIncludesSource.cpp
index 48154ec..29fee72 100644
--- a/clang/lib/Frontend/ChainedIncludesSource.cpp
+++ b/clang/lib/Frontend/ChainedIncludesSource.cpp
@@ -158,7 +158,7 @@
 
     auto Buffer = std::make_shared<PCHBuffer>();
     ArrayRef<std::shared_ptr<ModuleFileExtension>> Extensions;
-    auto consumer = llvm::make_unique<PCHGenerator>(
+    auto consumer = std::make_unique<PCHGenerator>(
         Clang->getPreprocessor(), Clang->getModuleCache(), "-", /*isysroot=*/"",
         Buffer, Extensions, /*AllowASTWithErrors=*/true);
     Clang->getASTContext().setASTMutationListener(
diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp
index 6948e1f..c7dedb7 100644
--- a/clang/lib/Frontend/CompilerInstance.cpp
+++ b/clang/lib/Frontend/CompilerInstance.cpp
@@ -215,7 +215,7 @@
   raw_ostream *OS = &llvm::errs();
   if (DiagOpts->DiagnosticLogFile != "-") {
     // Create the output stream.
-    auto FileOS = llvm::make_unique<llvm::raw_fd_ostream>(
+    auto FileOS = std::make_unique<llvm::raw_fd_ostream>(
         DiagOpts->DiagnosticLogFile, EC,
         llvm::sys::fs::OF_Append | llvm::sys::fs::OF_Text);
     if (EC) {
@@ -229,7 +229,7 @@
   }
 
   // Chain in the diagnostic client which will log the diagnostics.
-  auto Logger = llvm::make_unique<LogDiagnosticPrinter>(*OS, DiagOpts,
+  auto Logger = std::make_unique<LogDiagnosticPrinter>(*OS, DiagOpts,
                                                         std::move(StreamOwner));
   if (CodeGenOpts)
     Logger->setDwarfDebugFlags(CodeGenOpts->DwarfDebugFlags);
@@ -667,7 +667,7 @@
 }
 
 std::unique_ptr<raw_pwrite_stream> CompilerInstance::createNullOutputFile() {
-  return llvm::make_unique<llvm::raw_null_ostream>();
+  return std::make_unique<llvm::raw_null_ostream>();
 }
 
 std::unique_ptr<raw_pwrite_stream>
@@ -793,7 +793,7 @@
   if (!Binary || OS->supportsSeeking())
     return std::move(OS);
 
-  auto B = llvm::make_unique<llvm::buffer_ostream>(*OS);
+  auto B = std::make_unique<llvm::buffer_ostream>(*OS);
   assert(!NonSeekStream);
   NonSeekStream = std::move(OS);
   return std::move(B);
@@ -988,7 +988,7 @@
   StringRef StatsFile = getFrontendOpts().StatsFile;
   if (!StatsFile.empty()) {
     std::error_code EC;
-    auto StatS = llvm::make_unique<llvm::raw_fd_ostream>(
+    auto StatS = std::make_unique<llvm::raw_fd_ostream>(
         StatsFile, EC, llvm::sys::fs::OF_Text);
     if (EC) {
       getDiagnostics().Report(diag::warn_fe_unable_to_open_stats_file)
@@ -1471,7 +1471,7 @@
     const PreprocessorOptions &PPOpts = getPreprocessorOpts();
     std::unique_ptr<llvm::Timer> ReadTimer;
     if (FrontendTimerGroup)
-      ReadTimer = llvm::make_unique<llvm::Timer>("reading_modules",
+      ReadTimer = std::make_unique<llvm::Timer>("reading_modules",
                                                  "Reading modules",
                                                  *FrontendTimerGroup);
     ModuleManager = new ASTReader(
@@ -1566,7 +1566,7 @@
                                           SourceLocation())
         <= DiagnosticsEngine::Warning;
 
-  auto Listener = llvm::make_unique<ReadModuleNames>(*this);
+  auto Listener = std::make_unique<ReadModuleNames>(*this);
   auto &ListenerRef = *Listener;
   ASTReader::ListenerScope ReadModuleNamesListener(*ModuleManager,
                                                    std::move(Listener));
diff --git a/clang/lib/Frontend/CreateInvocationFromCommandLine.cpp b/clang/lib/Frontend/CreateInvocationFromCommandLine.cpp
index b62416f..d70a3b9 100644
--- a/clang/lib/Frontend/CreateInvocationFromCommandLine.cpp
+++ b/clang/lib/Frontend/CreateInvocationFromCommandLine.cpp
@@ -94,7 +94,7 @@
   }
 
   const ArgStringList &CCArgs = Cmd.getArguments();
-  auto CI = llvm::make_unique<CompilerInvocation>();
+  auto CI = std::make_unique<CompilerInvocation>();
   if (!CompilerInvocation::CreateFromArgs(*CI,
                                      const_cast<const char **>(CCArgs.data()),
                                      const_cast<const char **>(CCArgs.data()) +
diff --git a/clang/lib/Frontend/DependencyFile.cpp b/clang/lib/Frontend/DependencyFile.cpp
index 152fe03..a80f9b9 100644
--- a/clang/lib/Frontend/DependencyFile.cpp
+++ b/clang/lib/Frontend/DependencyFile.cpp
@@ -168,13 +168,13 @@
 
 DependencyCollector::~DependencyCollector() { }
 void DependencyCollector::attachToPreprocessor(Preprocessor &PP) {
-  PP.addPPCallbacks(llvm::make_unique<DepCollectorPPCallbacks>(
+  PP.addPPCallbacks(std::make_unique<DepCollectorPPCallbacks>(
       *this, PP.getSourceManager(), PP.getDiagnostics()));
   PP.getHeaderSearchInfo().getModuleMap().addModuleMapCallbacks(
-      llvm::make_unique<DepCollectorMMCallbacks>(*this));
+      std::make_unique<DepCollectorMMCallbacks>(*this));
 }
 void DependencyCollector::attachToASTReader(ASTReader &R) {
-  R.addListener(llvm::make_unique<DepCollectorASTListener>(*this));
+  R.addListener(std::make_unique<DepCollectorASTListener>(*this));
 }
 
 DependencyFileGenerator::DependencyFileGenerator(
diff --git a/clang/lib/Frontend/DependencyGraph.cpp b/clang/lib/Frontend/DependencyGraph.cpp
index a123f1c..ccf7a27 100644
--- a/clang/lib/Frontend/DependencyGraph.cpp
+++ b/clang/lib/Frontend/DependencyGraph.cpp
@@ -61,7 +61,7 @@
 
 void clang::AttachDependencyGraphGen(Preprocessor &PP, StringRef OutputFile,
                                      StringRef SysRoot) {
-  PP.addPPCallbacks(llvm::make_unique<DependencyGraphCallback>(&PP, OutputFile,
+  PP.addPPCallbacks(std::make_unique<DependencyGraphCallback>(&PP, OutputFile,
                                                                SysRoot));
 }
 
diff --git a/clang/lib/Frontend/FrontendAction.cpp b/clang/lib/Frontend/FrontendAction.cpp
index fdbb270a..b3b7976 100644
--- a/clang/lib/Frontend/FrontendAction.cpp
+++ b/clang/lib/Frontend/FrontendAction.cpp
@@ -216,7 +216,7 @@
     Consumers.push_back(std::move(C));
   }
 
-  return llvm::make_unique<MultiplexConsumer>(std::move(Consumers));
+  return std::make_unique<MultiplexConsumer>(std::move(Consumers));
 }
 
 /// For preprocessed files, if the first line is the linemarker and specifies
diff --git a/clang/lib/Frontend/FrontendActions.cpp b/clang/lib/Frontend/FrontendActions.cpp
index 14db878..08826c2 100644
--- a/clang/lib/Frontend/FrontendActions.cpp
+++ b/clang/lib/Frontend/FrontendActions.cpp
@@ -55,7 +55,7 @@
 
 std::unique_ptr<ASTConsumer>
 InitOnlyAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  return llvm::make_unique<ASTConsumer>();
+  return std::make_unique<ASTConsumer>();
 }
 
 void InitOnlyAction::ExecuteAction() {
@@ -109,7 +109,7 @@
   const auto &FrontendOpts = CI.getFrontendOpts();
   auto Buffer = std::make_shared<PCHBuffer>();
   std::vector<std::unique_ptr<ASTConsumer>> Consumers;
-  Consumers.push_back(llvm::make_unique<PCHGenerator>(
+  Consumers.push_back(std::make_unique<PCHGenerator>(
       CI.getPreprocessor(), CI.getModuleCache(), OutputFile, Sysroot, Buffer,
       FrontendOpts.ModuleFileExtensions,
       CI.getPreprocessorOpts().AllowPCHWithCompilerErrors,
@@ -117,7 +117,7 @@
   Consumers.push_back(CI.getPCHContainerWriter().CreatePCHContainerGenerator(
       CI, InFile, OutputFile, std::move(OS), Buffer));
 
-  return llvm::make_unique<MultiplexConsumer>(std::move(Consumers));
+  return std::make_unique<MultiplexConsumer>(std::move(Consumers));
 }
 
 bool GeneratePCHAction::ComputeASTConsumerArguments(CompilerInstance &CI,
@@ -172,7 +172,7 @@
   auto Buffer = std::make_shared<PCHBuffer>();
   std::vector<std::unique_ptr<ASTConsumer>> Consumers;
 
-  Consumers.push_back(llvm::make_unique<PCHGenerator>(
+  Consumers.push_back(std::make_unique<PCHGenerator>(
       CI.getPreprocessor(), CI.getModuleCache(), OutputFile, Sysroot, Buffer,
       CI.getFrontendOpts().ModuleFileExtensions,
       /*AllowASTWithErrors=*/false,
@@ -182,7 +182,7 @@
       +CI.getFrontendOpts().BuildingImplicitModule));
   Consumers.push_back(CI.getPCHContainerWriter().CreatePCHContainerGenerator(
       CI, InFile, OutputFile, std::move(OS), Buffer));
-  return llvm::make_unique<MultiplexConsumer>(std::move(Consumers));
+  return std::make_unique<MultiplexConsumer>(std::move(Consumers));
 }
 
 bool GenerateModuleFromModuleMapAction::BeginSourceFileAction(
@@ -313,18 +313,18 @@
 
 std::unique_ptr<ASTConsumer>
 SyntaxOnlyAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  return llvm::make_unique<ASTConsumer>();
+  return std::make_unique<ASTConsumer>();
 }
 
 std::unique_ptr<ASTConsumer>
 DumpModuleInfoAction::CreateASTConsumer(CompilerInstance &CI,
                                         StringRef InFile) {
-  return llvm::make_unique<ASTConsumer>();
+  return std::make_unique<ASTConsumer>();
 }
 
 std::unique_ptr<ASTConsumer>
 VerifyPCHAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  return llvm::make_unique<ASTConsumer>();
+  return std::make_unique<ASTConsumer>();
 }
 
 void VerifyPCHAction::ExecuteAction() {
@@ -466,7 +466,7 @@
 
 std::unique_ptr<ASTConsumer>
 TemplightDumpAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  return llvm::make_unique<ASTConsumer>();
+  return std::make_unique<ASTConsumer>();
 }
 
 void TemplightDumpAction::ExecuteAction() {
@@ -479,7 +479,7 @@
   EnsureSemaIsCreated(CI, *this);
 
   CI.getSema().TemplateInstCallbacks.push_back(
-      llvm::make_unique<DefaultTemplateInstCallback>());
+      std::make_unique<DefaultTemplateInstCallback>());
   ASTFrontendAction::ExecuteAction();
 }
 
diff --git a/clang/lib/Frontend/HeaderIncludeGen.cpp b/clang/lib/Frontend/HeaderIncludeGen.cpp
index 821a7e2..5f91157 100644
--- a/clang/lib/Frontend/HeaderIncludeGen.cpp
+++ b/clang/lib/Frontend/HeaderIncludeGen.cpp
@@ -120,7 +120,7 @@
   // the GNU way to generate rules is -M / -MM / -MD / -MMD.
   for (const auto &Header : DepOpts.ExtraDeps)
     PrintHeaderInfo(OutputFile, Header, ShowDepth, 2, MSStyle);
-  PP.addPPCallbacks(llvm::make_unique<HeaderIncludesCallback>(
+  PP.addPPCallbacks(std::make_unique<HeaderIncludesCallback>(
       &PP, ShowAllHeaders, OutputFile, DepOpts, OwnsOutputFile, ShowDepth,
       MSStyle));
 }
diff --git a/clang/lib/Frontend/InterfaceStubFunctionsConsumer.cpp b/clang/lib/Frontend/InterfaceStubFunctionsConsumer.cpp
index fbba9ae..970f885 100644
--- a/clang/lib/Frontend/InterfaceStubFunctionsConsumer.cpp
+++ b/clang/lib/Frontend/InterfaceStubFunctionsConsumer.cpp
@@ -366,13 +366,13 @@
 std::unique_ptr<ASTConsumer>
 GenerateInterfaceYAMLExpV1Action::CreateASTConsumer(CompilerInstance &CI,
                                                     StringRef InFile) {
-  return llvm::make_unique<InterfaceStubFunctionsConsumer>(
+  return std::make_unique<InterfaceStubFunctionsConsumer>(
       CI, InFile, "experimental-yaml-elf-v1");
 }
 
 std::unique_ptr<ASTConsumer>
 GenerateInterfaceTBEExpV1Action::CreateASTConsumer(CompilerInstance &CI,
                                                    StringRef InFile) {
-  return llvm::make_unique<InterfaceStubFunctionsConsumer>(
+  return std::make_unique<InterfaceStubFunctionsConsumer>(
       CI, InFile, "experimental-tapi-elf-v1");
 }
diff --git a/clang/lib/Frontend/ModuleDependencyCollector.cpp b/clang/lib/Frontend/ModuleDependencyCollector.cpp
index 4398d5f..fd22433 100644
--- a/clang/lib/Frontend/ModuleDependencyCollector.cpp
+++ b/clang/lib/Frontend/ModuleDependencyCollector.cpp
@@ -99,14 +99,14 @@
 }
 
 void ModuleDependencyCollector::attachToASTReader(ASTReader &R) {
-  R.addListener(llvm::make_unique<ModuleDependencyListener>(*this));
+  R.addListener(std::make_unique<ModuleDependencyListener>(*this));
 }
 
 void ModuleDependencyCollector::attachToPreprocessor(Preprocessor &PP) {
-  PP.addPPCallbacks(llvm::make_unique<ModuleDependencyPPCallbacks>(
+  PP.addPPCallbacks(std::make_unique<ModuleDependencyPPCallbacks>(
       *this, PP.getSourceManager()));
   PP.getHeaderSearchInfo().getModuleMap().addModuleMapCallbacks(
-      llvm::make_unique<ModuleDependencyMMCallbacks>(*this));
+      std::make_unique<ModuleDependencyMMCallbacks>(*this));
 }
 
 static bool isCaseSensitivePath(StringRef Path) {
diff --git a/clang/lib/Frontend/MultiplexConsumer.cpp b/clang/lib/Frontend/MultiplexConsumer.cpp
index ed70287..04e8962 100644
--- a/clang/lib/Frontend/MultiplexConsumer.cpp
+++ b/clang/lib/Frontend/MultiplexConsumer.cpp
@@ -249,11 +249,11 @@
   }
   if (!mutationListeners.empty()) {
     MutationListener =
-        llvm::make_unique<MultiplexASTMutationListener>(mutationListeners);
+        std::make_unique<MultiplexASTMutationListener>(mutationListeners);
   }
   if (!serializationListeners.empty()) {
     DeserializationListener =
-        llvm::make_unique<MultiplexASTDeserializationListener>(
+        std::make_unique<MultiplexASTDeserializationListener>(
             serializationListeners);
   }
 }
diff --git a/clang/lib/Frontend/PrecompiledPreamble.cpp b/clang/lib/Frontend/PrecompiledPreamble.cpp
index 6b17406..ced32c6 100644
--- a/clang/lib/Frontend/PrecompiledPreamble.cpp
+++ b/clang/lib/Frontend/PrecompiledPreamble.cpp
@@ -202,7 +202,7 @@
 
   std::unique_ptr<llvm::raw_ostream> OS;
   if (InMemStorage) {
-    OS = llvm::make_unique<llvm::raw_string_ostream>(*InMemStorage);
+    OS = std::make_unique<llvm::raw_string_ostream>(*InMemStorage);
   } else {
     std::string OutputFile;
     OS = GeneratePCHAction::CreateOutputFile(CI, InFile, OutputFile);
@@ -213,7 +213,7 @@
   if (!CI.getFrontendOpts().RelocatablePCH)
     Sysroot.clear();
 
-  return llvm::make_unique<PrecompilePreambleConsumer>(
+  return std::make_unique<PrecompilePreambleConsumer>(
       *this, CI.getPreprocessor(), CI.getModuleCache(), Sysroot, std::move(OS));
 }
 
diff --git a/clang/lib/Frontend/PrintPreprocessedOutput.cpp b/clang/lib/Frontend/PrintPreprocessedOutput.cpp
index 732edac..24ea1cc 100644
--- a/clang/lib/Frontend/PrintPreprocessedOutput.cpp
+++ b/clang/lib/Frontend/PrintPreprocessedOutput.cpp
@@ -675,7 +675,7 @@
     if (ShouldExpandTokens) {
       // The first token does not have expanded macros. Expand them, if
       // required.
-      auto Toks = llvm::make_unique<Token[]>(1);
+      auto Toks = std::make_unique<Token[]>(1);
       Toks[0] = PragmaTok;
       PP.EnterTokenStream(std::move(Toks), /*NumToks=*/1,
                           /*DisableMacroExpansion=*/false,
diff --git a/clang/lib/Frontend/Rewrite/FrontendActions.cpp b/clang/lib/Frontend/Rewrite/FrontendActions.cpp
index b871ee9..549b86e 100644
--- a/clang/lib/Frontend/Rewrite/FrontendActions.cpp
+++ b/clang/lib/Frontend/Rewrite/FrontendActions.cpp
@@ -50,7 +50,7 @@
 
 std::unique_ptr<ASTConsumer>
 FixItAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
-  return llvm::make_unique<ASTConsumer>();
+  return std::make_unique<ASTConsumer>();
 }
 
 namespace {
@@ -295,7 +295,7 @@
   if (CI.getPreprocessorOutputOpts().RewriteImports) {
     CI.createModuleManager();
     CI.getModuleManager()->addListener(
-        llvm::make_unique<RewriteImportsListener>(CI, OutputStream));
+        std::make_unique<RewriteImportsListener>(CI, OutputStream));
   }
 
   return true;
diff --git a/clang/lib/Frontend/Rewrite/HTMLPrint.cpp b/clang/lib/Frontend/Rewrite/HTMLPrint.cpp
index a5b36bc..982e56c 100644
--- a/clang/lib/Frontend/Rewrite/HTMLPrint.cpp
+++ b/clang/lib/Frontend/Rewrite/HTMLPrint.cpp
@@ -48,7 +48,7 @@
 std::unique_ptr<ASTConsumer>
 clang::CreateHTMLPrinter(std::unique_ptr<raw_ostream> OS, Preprocessor &PP,
                          bool SyntaxHighlight, bool HighlightMacros) {
-  return llvm::make_unique<HTMLPrinter>(std::move(OS), PP, SyntaxHighlight,
+  return std::make_unique<HTMLPrinter>(std::move(OS), PP, SyntaxHighlight,
                                         HighlightMacros);
 }
 
diff --git a/clang/lib/Frontend/Rewrite/RewriteModernObjC.cpp b/clang/lib/Frontend/Rewrite/RewriteModernObjC.cpp
index bd091ee..563c7ca 100644
--- a/clang/lib/Frontend/Rewrite/RewriteModernObjC.cpp
+++ b/clang/lib/Frontend/Rewrite/RewriteModernObjC.cpp
@@ -663,7 +663,7 @@
     const std::string &InFile, std::unique_ptr<raw_ostream> OS,
     DiagnosticsEngine &Diags, const LangOptions &LOpts,
     bool SilenceRewriteMacroWarning, bool LineInfo) {
-  return llvm::make_unique<RewriteModernObjC>(InFile, std::move(OS), Diags,
+  return std::make_unique<RewriteModernObjC>(InFile, std::move(OS), Diags,
                                               LOpts, SilenceRewriteMacroWarning,
                                               LineInfo);
 }
diff --git a/clang/lib/Frontend/Rewrite/RewriteObjC.cpp b/clang/lib/Frontend/Rewrite/RewriteObjC.cpp
index 05078ba..e57a926 100644
--- a/clang/lib/Frontend/Rewrite/RewriteObjC.cpp
+++ b/clang/lib/Frontend/Rewrite/RewriteObjC.cpp
@@ -593,7 +593,7 @@
                           std::unique_ptr<raw_ostream> OS,
                           DiagnosticsEngine &Diags, const LangOptions &LOpts,
                           bool SilenceRewriteMacroWarning) {
-  return llvm::make_unique<RewriteObjCFragileABI>(
+  return std::make_unique<RewriteObjCFragileABI>(
       InFile, std::move(OS), Diags, LOpts, SilenceRewriteMacroWarning);
 }
 
diff --git a/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp b/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
index 0732d63..8042b52 100644
--- a/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
+++ b/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
@@ -296,7 +296,7 @@
 namespace serialized_diags {
 std::unique_ptr<DiagnosticConsumer>
 create(StringRef OutputFile, DiagnosticOptions *Diags, bool MergeChildRecords) {
-  return llvm::make_unique<SDiagsWriter>(OutputFile, Diags, MergeChildRecords);
+  return std::make_unique<SDiagsWriter>(OutputFile, Diags, MergeChildRecords);
 }
 
 } // end namespace serialized_diags
@@ -743,7 +743,7 @@
     IntrusiveRefCntPtr<DiagnosticIDs> IDs(new DiagnosticIDs());
     auto Client =
         new TextDiagnosticPrinter(llvm::errs(), State->DiagOpts.get());
-    State->MetaDiagnostics = llvm::make_unique<DiagnosticsEngine>(
+    State->MetaDiagnostics = std::make_unique<DiagnosticsEngine>(
         IDs, State->DiagOpts.get(), Client);
   }
   return State->MetaDiagnostics.get();
@@ -780,7 +780,7 @@
   }
 
   std::error_code EC;
-  auto OS = llvm::make_unique<llvm::raw_fd_ostream>(State->OutputFile.c_str(),
+  auto OS = std::make_unique<llvm::raw_fd_ostream>(State->OutputFile.c_str(),
                                                     EC, llvm::sys::fs::OF_None);
   if (EC) {
     getMetaDiags()->Report(diag::warn_fe_serialized_diag_failure)
diff --git a/clang/lib/Frontend/VerifyDiagnosticConsumer.cpp b/clang/lib/Frontend/VerifyDiagnosticConsumer.cpp
index a68ef03..47f2ae3 100644
--- a/clang/lib/Frontend/VerifyDiagnosticConsumer.cpp
+++ b/clang/lib/Frontend/VerifyDiagnosticConsumer.cpp
@@ -671,7 +671,7 @@
 #ifndef NDEBUG
       // Debug build tracks parsed files.
       const_cast<Preprocessor *>(PP)->addPPCallbacks(
-                      llvm::make_unique<VerifyFileTracker>(*this, *SrcManager));
+                      std::make_unique<VerifyFileTracker>(*this, *SrcManager));
 #endif
     }
   }
@@ -1116,7 +1116,7 @@
                                              bool MatchAnyLine, StringRef Text,
                                              unsigned Min, unsigned Max) {
   if (!RegexKind)
-    return llvm::make_unique<StandardDirective>(DirectiveLoc, DiagnosticLoc,
+    return std::make_unique<StandardDirective>(DirectiveLoc, DiagnosticLoc,
                                                 MatchAnyLine, Text, Min, Max);
 
   // Parse the directive into a regular expression.
@@ -1142,6 +1142,6 @@
     }
   }
 
-  return llvm::make_unique<RegexDirective>(
+  return std::make_unique<RegexDirective>(
       DirectiveLoc, DiagnosticLoc, MatchAnyLine, Text, Min, Max, RegexStr);
 }