diff --git a/clang-tools-extra/clangd/unittests/Annotations.h b/clang-tools-extra/clangd/unittests/Annotations.h
--- a/clang-tools-extra/clangd/unittests/Annotations.h
+++ b/clang-tools-extra/clangd/unittests/Annotations.h
@@ -5,7 +5,7 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
-// A clangd-specific version of llvm/Testing/Support/Annotations.h, replaces
+// A clangd-specific version of llvm/Testing/Annotations/Annotations.h, replaces
 // offsets and offset-based ranges with types from the LSP protocol.
 //===---------------------------------------------------------------------===//
 
@@ -13,7 +13,7 @@
 #define LLVM_CLANG_TOOLS_EXTRA_CLANGD_UNITTESTS_ANNOTATIONS_H
 
 #include "Protocol.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 
 namespace clang {
 namespace clangd {
diff --git a/clang-tools-extra/clangd/unittests/CMakeLists.txt b/clang-tools-extra/clangd/unittests/CMakeLists.txt
--- a/clang-tools-extra/clangd/unittests/CMakeLists.txt
+++ b/clang-tools-extra/clangd/unittests/CMakeLists.txt
@@ -5,7 +5,12 @@
   )
 
 if(CLANG_BUILT_STANDALONE)
-  # LLVMTestingSupport library is needed for clangd tests.
+  # LLVMTestingSupport and LLVMTestingAnnotations are needed for clangd tests.
+  if (EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Testing/Annotations
+      AND NOT TARGET LLVMTestingAnnotations)
+    add_subdirectory(${LLVM_MAIN_SRC_DIR}/lib/Testing/Annotations
+      lib/Testing/Annotations)
+  endif()
   if (EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Testing/Support
       AND NOT TARGET LLVMTestingSupport)
     add_subdirectory(${LLVM_MAIN_SRC_DIR}/lib/Testing/Support
@@ -162,6 +167,7 @@
   clangDaemon
   clangdSupport
   clangTidy
+  LLVMTestingAnnotations
   LLVMTestingSupport
   )
 
diff --git a/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp b/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp
--- a/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp
+++ b/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp
@@ -29,7 +29,7 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/Path.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "llvm/Testing/Support/Error.h"
 #include "llvm/Testing/Support/SupportHelpers.h"
 #include "gmock/gmock.h"
diff --git a/clang-tools-extra/clangd/unittests/FindTargetTests.cpp b/clang-tools-extra/clangd/unittests/FindTargetTests.cpp
--- a/clang-tools-extra/clangd/unittests/FindTargetTests.cpp
+++ b/clang-tools-extra/clangd/unittests/FindTargetTests.cpp
@@ -15,7 +15,7 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include <initializer_list>
diff --git a/clang-tools-extra/clangd/unittests/SourceCodeTests.cpp b/clang-tools-extra/clangd/unittests/SourceCodeTests.cpp
--- a/clang-tools-extra/clangd/unittests/SourceCodeTests.cpp
+++ b/clang-tools-extra/clangd/unittests/SourceCodeTests.cpp
@@ -15,7 +15,7 @@
 #include "clang/Basic/TokenKinds.h"
 #include "clang/Format/Format.h"
 #include "llvm/Support/Error.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "llvm/Testing/Support/Error.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
diff --git a/clang-tools-extra/clangd/unittests/tweaks/TweakTesting.h b/clang-tools-extra/clangd/unittests/tweaks/TweakTesting.h
--- a/clang-tools-extra/clangd/unittests/tweaks/TweakTesting.h
+++ b/clang-tools-extra/clangd/unittests/tweaks/TweakTesting.h
@@ -13,7 +13,7 @@
 #include "index/Index.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include <memory>
diff --git a/clang-tools-extra/include-cleaner/unittests/AnalysisTest.cpp b/clang-tools-extra/include-cleaner/unittests/AnalysisTest.cpp
--- a/clang-tools-extra/include-cleaner/unittests/AnalysisTest.cpp
+++ b/clang-tools-extra/include-cleaner/unittests/AnalysisTest.cpp
@@ -19,7 +19,7 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/ScopedPrinter.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include <cstddef>
diff --git a/clang-tools-extra/include-cleaner/unittests/CMakeLists.txt b/clang-tools-extra/include-cleaner/unittests/CMakeLists.txt
--- a/clang-tools-extra/include-cleaner/unittests/CMakeLists.txt
+++ b/clang-tools-extra/include-cleaner/unittests/CMakeLists.txt
@@ -31,6 +31,7 @@
   PRIVATE
   clangIncludeCleaner
   clangTesting
+  LLVMTestingAnnotations
   LLVMTestingSupport
   )
 
diff --git a/clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp b/clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
--- a/clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
+++ b/clang-tools-extra/include-cleaner/unittests/FindHeadersTest.cpp
@@ -17,7 +17,7 @@
 #include "clang/Testing/TestAST.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include <memory>
diff --git a/clang-tools-extra/include-cleaner/unittests/LocateSymbolTest.cpp b/clang-tools-extra/include-cleaner/unittests/LocateSymbolTest.cpp
--- a/clang-tools-extra/include-cleaner/unittests/LocateSymbolTest.cpp
+++ b/clang-tools-extra/include-cleaner/unittests/LocateSymbolTest.cpp
@@ -15,7 +15,7 @@
 #include "clang/Testing/TestAST.h"
 #include "clang/Tooling/Inclusions/StandardLibrary.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include <cstddef>
diff --git a/clang-tools-extra/include-cleaner/unittests/RecordTest.cpp b/clang-tools-extra/include-cleaner/unittests/RecordTest.cpp
--- a/clang-tools-extra/include-cleaner/unittests/RecordTest.cpp
+++ b/clang-tools-extra/include-cleaner/unittests/RecordTest.cpp
@@ -13,7 +13,7 @@
 #include "clang/Testing/TestAST.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
diff --git a/clang-tools-extra/include-cleaner/unittests/WalkASTTest.cpp b/clang-tools-extra/include-cleaner/unittests/WalkASTTest.cpp
--- a/clang-tools-extra/include-cleaner/unittests/WalkASTTest.cpp
+++ b/clang-tools-extra/include-cleaner/unittests/WalkASTTest.cpp
@@ -15,7 +15,7 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/ScopedPrinter.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gtest/gtest.h"
 #include <cstddef>
 #include <unordered_map>
diff --git a/clang-tools-extra/pseudo/unittests/BracketTest.cpp b/clang-tools-extra/pseudo/unittests/BracketTest.cpp
--- a/clang-tools-extra/pseudo/unittests/BracketTest.cpp
+++ b/clang-tools-extra/pseudo/unittests/BracketTest.cpp
@@ -9,7 +9,7 @@
 #include "clang-pseudo/Bracket.h"
 #include "clang-pseudo/Token.h"
 #include "clang/Basic/LangOptions.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
diff --git a/clang-tools-extra/pseudo/unittests/CMakeLists.txt b/clang-tools-extra/pseudo/unittests/CMakeLists.txt
--- a/clang-tools-extra/pseudo/unittests/CMakeLists.txt
+++ b/clang-tools-extra/pseudo/unittests/CMakeLists.txt
@@ -26,5 +26,6 @@
   clangPseudo
   clangPseudoCXX
   clangPseudoGrammar
+  LLVMTestingAnnotations
   LLVMTestingSupport
   )
diff --git a/clang-tools-extra/unittests/clang-tidy/CMakeLists.txt b/clang-tools-extra/unittests/clang-tidy/CMakeLists.txt
--- a/clang-tools-extra/unittests/clang-tidy/CMakeLists.txt
+++ b/clang-tools-extra/unittests/clang-tidy/CMakeLists.txt
@@ -57,5 +57,6 @@
   clangTidyObjCModule
   clangTidyReadabilityModule
   clangTidyUtils
+  LLVMTestingAnnotations
   LLVMTestingSupport
   )
diff --git a/clang-tools-extra/unittests/clang-tidy/ClangTidyOptionsTest.cpp b/clang-tools-extra/unittests/clang-tidy/ClangTidyOptionsTest.cpp
--- a/clang-tools-extra/unittests/clang-tidy/ClangTidyOptionsTest.cpp
+++ b/clang-tools-extra/unittests/clang-tidy/ClangTidyOptionsTest.cpp
@@ -3,7 +3,7 @@
 #include "ClangTidyDiagnosticConsumer.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/ScopedPrinter.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include <optional>
diff --git a/clang/docs/tools/clang-formatted-files.txt b/clang/docs/tools/clang-formatted-files.txt
--- a/clang/docs/tools/clang-formatted-files.txt
+++ b/clang/docs/tools/clang-formatted-files.txt
@@ -5536,7 +5536,7 @@
 llvm/include/llvm/TableGen/StringToOffsetTable.h
 llvm/include/llvm/Target/CGPassBuilderOption.h
 llvm/include/llvm/Target/CodeGenCWrappers.h
-llvm/include/llvm/Testing/Support/Annotations.h
+llvm/include/llvm/Testing/Annotations/Annotations.h
 llvm/include/llvm/Testing/Support/SupportHelpers.h
 llvm/include/llvm/TextAPI/Architecture.h
 llvm/include/llvm/TextAPI/ArchitectureSet.h
@@ -6839,7 +6839,7 @@
 llvm/lib/Target/XCore/MCTargetDesc/XCoreMCTargetDesc.cpp
 llvm/lib/Target/XCore/MCTargetDesc/XCoreMCTargetDesc.h
 llvm/lib/Target/XCore/TargetInfo/XCoreTargetInfo.cpp
-llvm/lib/Testing/Support/Annotations.cpp
+llvm/lib/Testing/Annotations/Annotations.cpp
 llvm/lib/Testing/Support/Error.cpp
 llvm/lib/Testing/Support/SupportHelpers.cpp
 llvm/lib/TextAPI/ArchitectureSet.cpp
diff --git a/clang/unittests/AST/CMakeLists.txt b/clang/unittests/AST/CMakeLists.txt
--- a/clang/unittests/AST/CMakeLists.txt
+++ b/clang/unittests/AST/CMakeLists.txt
@@ -50,5 +50,6 @@
 target_link_libraries(ASTTests
   PRIVATE
   clangTesting
+  LLVMTestingAnnotations
   LLVMTestingSupport
 )
diff --git a/clang/unittests/AST/DeclTest.cpp b/clang/unittests/AST/DeclTest.cpp
--- a/clang/unittests/AST/DeclTest.cpp
+++ b/clang/unittests/AST/DeclTest.cpp
@@ -20,7 +20,7 @@
 #include "clang/Lex/Lexer.h"
 #include "clang/Tooling/Tooling.h"
 #include "llvm/IR/DataLayout.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gtest/gtest.h"
 
 using namespace clang::ast_matchers;
diff --git a/clang/unittests/AST/SourceLocationTest.cpp b/clang/unittests/AST/SourceLocationTest.cpp
--- a/clang/unittests/AST/SourceLocationTest.cpp
+++ b/clang/unittests/AST/SourceLocationTest.cpp
@@ -20,7 +20,7 @@
 #include "clang/ASTMatchers/ASTMatchFinder.h"
 #include "clang/ASTMatchers/ASTMatchers.h"
 #include "clang/Tooling/Tooling.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gtest/gtest.h"
 
 using namespace clang;
diff --git a/clang/unittests/Analysis/FlowSensitive/CMakeLists.txt b/clang/unittests/Analysis/FlowSensitive/CMakeLists.txt
--- a/clang/unittests/Analysis/FlowSensitive/CMakeLists.txt
+++ b/clang/unittests/Analysis/FlowSensitive/CMakeLists.txt
@@ -41,5 +41,6 @@
 target_link_libraries(ClangAnalysisFlowSensitiveTests
   PRIVATE
   clangTesting
+  LLVMTestingAnnotations
   LLVMTestingSupport
   )
diff --git a/clang/unittests/Analysis/FlowSensitive/SignAnalysisTest.cpp b/clang/unittests/Analysis/FlowSensitive/SignAnalysisTest.cpp
--- a/clang/unittests/Analysis/FlowSensitive/SignAnalysisTest.cpp
+++ b/clang/unittests/Analysis/FlowSensitive/SignAnalysisTest.cpp
@@ -21,7 +21,7 @@
 #include "clang/Analysis/FlowSensitive/DataflowAnalysis.h"
 #include "clang/Analysis/FlowSensitive/NoopLattice.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "llvm/Testing/Support/Error.h"
 #include "gtest/gtest.h"
 #include <memory>
diff --git a/clang/unittests/Analysis/FlowSensitive/SingleVarConstantPropagationTest.cpp b/clang/unittests/Analysis/FlowSensitive/SingleVarConstantPropagationTest.cpp
--- a/clang/unittests/Analysis/FlowSensitive/SingleVarConstantPropagationTest.cpp
+++ b/clang/unittests/Analysis/FlowSensitive/SingleVarConstantPropagationTest.cpp
@@ -28,7 +28,7 @@
 #include "llvm/ADT/Twine.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Testing/ADT/StringMapEntry.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "llvm/Testing/Support/Error.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
diff --git a/clang/unittests/Analysis/FlowSensitive/TestingSupport.h b/clang/unittests/Analysis/FlowSensitive/TestingSupport.h
--- a/clang/unittests/Analysis/FlowSensitive/TestingSupport.h
+++ b/clang/unittests/Analysis/FlowSensitive/TestingSupport.h
@@ -43,7 +43,7 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Errc.h"
 #include "llvm/Support/Error.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 
 namespace clang {
 namespace dataflow {
diff --git a/clang/unittests/Analysis/FlowSensitive/TestingSupport.cpp b/clang/unittests/Analysis/FlowSensitive/TestingSupport.cpp
--- a/clang/unittests/Analysis/FlowSensitive/TestingSupport.cpp
+++ b/clang/unittests/Analysis/FlowSensitive/TestingSupport.cpp
@@ -13,7 +13,7 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/StringSet.h"
 #include "llvm/Support/Error.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include <cassert>
 #include <functional>
 #include <memory>
diff --git a/clang/unittests/Analysis/FlowSensitive/TransferBranchTest.cpp b/clang/unittests/Analysis/FlowSensitive/TransferBranchTest.cpp
--- a/clang/unittests/Analysis/FlowSensitive/TransferBranchTest.cpp
+++ b/clang/unittests/Analysis/FlowSensitive/TransferBranchTest.cpp
@@ -16,7 +16,7 @@
 #include "clang/Tooling/Tooling.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/Support/Error.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "llvm/Testing/Support/Error.h"
 #include "gtest/gtest.h"
 
diff --git a/clang/unittests/Sema/CMakeLists.txt b/clang/unittests/Sema/CMakeLists.txt
--- a/clang/unittests/Sema/CMakeLists.txt
+++ b/clang/unittests/Sema/CMakeLists.txt
@@ -25,5 +25,6 @@
 target_link_libraries(SemaTests
   PRIVATE
   clangTesting
+  LLVMTestingAnnotations
   LLVMTestingSupport
 )
diff --git a/clang/unittests/Sema/CodeCompleteTest.cpp b/clang/unittests/Sema/CodeCompleteTest.cpp
--- a/clang/unittests/Sema/CodeCompleteTest.cpp
+++ b/clang/unittests/Sema/CodeCompleteTest.cpp
@@ -13,7 +13,7 @@
 #include "clang/Sema/Sema.h"
 #include "clang/Sema/SemaDiagnostic.h"
 #include "clang/Tooling/Tooling.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include <cstddef>
diff --git a/clang/unittests/Tooling/CMakeLists.txt b/clang/unittests/Tooling/CMakeLists.txt
--- a/clang/unittests/Tooling/CMakeLists.txt
+++ b/clang/unittests/Tooling/CMakeLists.txt
@@ -90,6 +90,7 @@
 
 target_link_libraries(ToolingTests
   PRIVATE
+  LLVMTestingAnnotations
   LLVMTestingSupport
   clangTesting
 )
diff --git a/clang/unittests/Tooling/SourceCodeTest.cpp b/clang/unittests/Tooling/SourceCodeTest.cpp
--- a/clang/unittests/Tooling/SourceCodeTest.cpp
+++ b/clang/unittests/Tooling/SourceCodeTest.cpp
@@ -11,7 +11,7 @@
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Lex/Lexer.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "llvm/Testing/Support/Error.h"
 #include "llvm/Testing/Support/SupportHelpers.h"
 #include <gmock/gmock.h>
diff --git a/clang/unittests/Tooling/Syntax/CMakeLists.txt b/clang/unittests/Tooling/Syntax/CMakeLists.txt
--- a/clang/unittests/Tooling/Syntax/CMakeLists.txt
+++ b/clang/unittests/Tooling/Syntax/CMakeLists.txt
@@ -26,5 +26,6 @@
 target_link_libraries(SyntaxTests
   PRIVATE
   clangTesting
+  LLVMTestingAnnotations
   LLVMTestingSupport
 )
diff --git a/clang/unittests/Tooling/Syntax/TokensTest.cpp b/clang/unittests/Tooling/Syntax/TokensTest.cpp
--- a/clang/unittests/Tooling/Syntax/TokensTest.cpp
+++ b/clang/unittests/Tooling/Syntax/TokensTest.cpp
@@ -37,7 +37,7 @@
 #include "llvm/Support/VirtualFileSystem.h"
 #include "llvm/Support/raw_os_ostream.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "llvm/Testing/Support/SupportHelpers.h"
 #include <cassert>
 #include <cstdlib>
diff --git a/clang/unittests/Tooling/Syntax/TreeTestBase.h b/clang/unittests/Tooling/Syntax/TreeTestBase.h
--- a/clang/unittests/Tooling/Syntax/TreeTestBase.h
+++ b/clang/unittests/Tooling/Syntax/TreeTestBase.h
@@ -22,7 +22,7 @@
 #include "clang/Tooling/Syntax/Tree.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/ScopedPrinter.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
diff --git a/clang/unittests/Tooling/Syntax/TreeTestBase.cpp b/clang/unittests/Tooling/Syntax/TreeTestBase.cpp
--- a/clang/unittests/Tooling/Syntax/TreeTestBase.cpp
+++ b/clang/unittests/Tooling/Syntax/TreeTestBase.cpp
@@ -28,7 +28,7 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/Error.h"
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gtest/gtest.h"
 
 using namespace clang;
diff --git a/llvm/include/llvm/Testing/Support/Annotations.h b/llvm/include/llvm/Testing/Annotations/Annotations.h
rename from llvm/include/llvm/Testing/Support/Annotations.h
rename to llvm/include/llvm/Testing/Annotations/Annotations.h
diff --git a/llvm/lib/Testing/Support/Annotations.cpp b/llvm/lib/Testing/Annotations/Annotations.cpp
rename from llvm/lib/Testing/Support/Annotations.cpp
rename to llvm/lib/Testing/Annotations/Annotations.cpp
--- a/llvm/lib/Testing/Support/Annotations.cpp
+++ b/llvm/lib/Testing/Annotations/Annotations.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/FormatVariadic.h"
diff --git a/llvm/lib/Testing/Annotations/CMakeLists.txt b/llvm/lib/Testing/Annotations/CMakeLists.txt
new file mode 100644
--- /dev/null
+++ b/llvm/lib/Testing/Annotations/CMakeLists.txt
@@ -0,0 +1,15 @@
+# Do not build unittest libraries automatically, they will be pulled in
+# by unittests if these are built.
+set(EXCLUDE_FROM_ALL ON)
+
+add_llvm_library(LLVMTestingAnnotations
+  Annotations.cpp
+
+  BUILDTREE_ONLY
+
+  ADDITIONAL_HEADER_DIRS
+  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Testing/Support
+
+  LINK_COMPONENTS
+  Support
+  )
diff --git a/llvm/lib/Testing/CMakeLists.txt b/llvm/lib/Testing/CMakeLists.txt
--- a/llvm/lib/Testing/CMakeLists.txt
+++ b/llvm/lib/Testing/CMakeLists.txt
@@ -1 +1,2 @@
+add_subdirectory(Annotations)
 add_subdirectory(Support)
diff --git a/llvm/lib/Testing/Support/CMakeLists.txt b/llvm/lib/Testing/Support/CMakeLists.txt
--- a/llvm/lib/Testing/Support/CMakeLists.txt
+++ b/llvm/lib/Testing/Support/CMakeLists.txt
@@ -3,7 +3,6 @@
 set(EXCLUDE_FROM_ALL ON)
 
 add_llvm_library(LLVMTestingSupport
-  Annotations.cpp
   Error.cpp
   SupportHelpers.cpp
 
diff --git a/llvm/unittests/Support/CMakeLists.txt b/llvm/unittests/Support/CMakeLists.txt
--- a/llvm/unittests/Support/CMakeLists.txt
+++ b/llvm/unittests/Support/CMakeLists.txt
@@ -8,7 +8,6 @@
   AlignmentTest.cpp
   AlignOfTest.cpp
   AllocatorTest.cpp
-  AnnotationsTest.cpp
   ARMAttributeParser.cpp
   ArrayRecyclerTest.cpp
   Base64Test.cpp
diff --git a/llvm/unittests/Support/AnnotationsTest.cpp b/llvm/unittests/Testing/Annotations/AnnotationsTest.cpp
rename from llvm/unittests/Support/AnnotationsTest.cpp
rename to llvm/unittests/Testing/Annotations/AnnotationsTest.cpp
--- a/llvm/unittests/Support/AnnotationsTest.cpp
+++ b/llvm/unittests/Testing/Annotations/AnnotationsTest.cpp
@@ -5,7 +5,7 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
-#include "llvm/Testing/Support/Annotations.h"
+#include "llvm/Testing/Annotations/Annotations.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
diff --git a/llvm/unittests/Testing/Annotations/CMakeLists.txt b/llvm/unittests/Testing/Annotations/CMakeLists.txt
new file mode 100644
--- /dev/null
+++ b/llvm/unittests/Testing/Annotations/CMakeLists.txt
@@ -0,0 +1,10 @@
+set(LLVM_LINK_COMPONENTS
+  Support
+  TestingAnnotations
+  )
+
+add_llvm_unittest(TestingAnnotationTests
+  AnnotationsTest.cpp
+  )
+
+target_link_libraries(TestingAnnotationTests PRIVATE LLVMTestingAnnotations)
diff --git a/llvm/unittests/Testing/CMakeLists.txt b/llvm/unittests/Testing/CMakeLists.txt
--- a/llvm/unittests/Testing/CMakeLists.txt
+++ b/llvm/unittests/Testing/CMakeLists.txt
@@ -1,2 +1,3 @@
 add_subdirectory(ADT)
+add_subdirectory(Annotations)
 add_subdirectory(Support)
diff --git a/utils/bazel/llvm-project-overlay/clang/unittests/BUILD.bazel b/utils/bazel/llvm-project-overlay/clang/unittests/BUILD.bazel
--- a/utils/bazel/llvm-project-overlay/clang/unittests/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/clang/unittests/BUILD.bazel
@@ -29,6 +29,7 @@
         "//clang:tooling",
         "//llvm:Core",
         "//llvm:Support",
+        "//llvm:TestingAnnotations",
         "//llvm:TestingSupport",
         "//third-party/unittest:gmock",
         "//third-party/unittest:gtest",
@@ -136,6 +137,7 @@
         "//clang:tooling",
         "//llvm:Support",
         "//llvm:TestingADT",
+        "//llvm:TestingAnnotations",
         "//llvm:TestingSupport",
         "//third-party/unittest:gmock",
         "//third-party/unittest:gtest",
@@ -342,6 +344,7 @@
         "//clang:parse",
         "//clang:sema",
         "//clang:tooling",
+        "//llvm:TestingAnnotations",
         "//llvm:TestingSupport",
         "//third-party/unittest:gmock",
         "//third-party/unittest:gtest",
@@ -420,6 +423,7 @@
         "//clang:tooling_refactoring",
         "//clang:transformer",
         "//llvm:Support",
+        "//llvm:TestingAnnotations",
         "//llvm:TestingSupport",
         "//third-party/unittest:gmock",
         "//third-party/unittest:gtest",
@@ -495,6 +499,7 @@
         "//clang:tooling_core",
         "//clang:tooling_syntax",
         "//llvm:Support",
+        "//llvm:TestingAnnotations",
         "//llvm:TestingSupport",
         "//third-party/unittest:gmock",
         "//third-party/unittest:gtest",
diff --git a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
--- a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
@@ -4516,9 +4516,7 @@
         "lib/Testing/Support/*.cpp",
         "lib/Testing/Support/*.h",
     ]),
-    hdrs = glob([
-        "include/llvm/Testing/Support/*.h",
-    ]),
+    hdrs = glob(["include/llvm/Testing/Support/*.h"]),
     copts = llvm_copts,
     deps = [
         ":Support",
@@ -4528,6 +4526,15 @@
     ],
 )
 
+cc_library(
+    name = "TestingAnnotations",
+    testonly = True,
+    srcs = ["lib/Testing/Annotations/Annotations.cpp"],
+    hdrs = ["include/llvm/Testing/Annotations/Annotations.h"],
+    copts = llvm_copts,
+    deps = [":Support"],
+)
+
 ################################################################################
 # Begin testonly binary utilities