diff --git a/libcxx/utils/google-benchmark/.github/workflows/sanitizer.yml b/libcxx/utils/google-benchmark/.github/workflows/sanitizer.yml
diff --git a/libcxx/utils/google-benchmark/.github/workflows/test_bindings.yml b/libcxx/utils/google-benchmark/.github/workflows/test_bindings.yml
diff --git a/libcxx/utils/google-benchmark/.gitignore b/libcxx/utils/google-benchmark/.gitignore
diff --git a/libcxx/utils/google-benchmark/.travis.yml b/libcxx/utils/google-benchmark/.travis.yml
diff --git a/libcxx/utils/google-benchmark/.ycm_extra_conf.py b/libcxx/utils/google-benchmark/.ycm_extra_conf.py
diff --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
@@ -307,6 +307,8 @@ set(LLVM_MAIN_SRC_DIR     ${CMAKE_CURRENT_SOURCE_DIR}  ) # --src-root
 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir
 set(LLVM_BINARY_DIR       ${CMAKE_CURRENT_BINARY_DIR}  ) # --prefix
 
+set(LLVM_THIRD_PARTY_DIR  ${CMAKE_CURRENT_SOURCE_DIR}/../third-party)
+
 # Note: LLVM_CMAKE_DIR does not include generated files
 set(LLVM_CMAKE_DIR ${LLVM_MAIN_SRC_DIR}/cmake/modules)
 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
@@ -1201,8 +1203,8 @@ if (LLVM_INCLUDE_BENCHMARKS)
   set(BENCHMARK_ENABLE_GTEST_TESTS OFF CACHE BOOL "Disable Google Test in benchmark" FORCE)
   # Since LLVM requires C++11 it is safe to assume that std::regex is available.
   set(HAVE_STD_REGEX ON CACHE BOOL "OK" FORCE)
-
-  add_subdirectory(utils/benchmark)
+  add_subdirectory(${LLVM_THIRD_PARTY_DIR}/benchmark 
+    ${CMAKE_CURRENT_BINARY_DIR}/third-party/benchmark)
   add_subdirectory(benchmarks)
 endif()
 

diff --git a/llvm/utils/benchmark/AUTHORS b/llvm/utils/benchmark/AUTHORS
diff --git a/llvm/utils/benchmark/CMakeLists.txt b/llvm/utils/benchmark/CMakeLists.txt
diff --git a/llvm/utils/benchmark/CONTRIBUTING.md b/llvm/utils/benchmark/CONTRIBUTING.md
diff --git a/llvm/utils/benchmark/CONTRIBUTORS b/llvm/utils/benchmark/CONTRIBUTORS
diff --git a/llvm/utils/benchmark/LICENSE b/llvm/utils/benchmark/LICENSE
diff --git a/llvm/utils/benchmark/README.LLVM b/llvm/utils/benchmark/README.LLVM
diff --git a/llvm/utils/benchmark/README.md b/llvm/utils/benchmark/README.md
diff --git a/llvm/utils/benchmark/WORKSPACE b/llvm/utils/benchmark/WORKSPACE
diff --git a/llvm/utils/benchmark/appveyor.yml b/llvm/utils/benchmark/appveyor.yml
diff --git a/llvm/utils/benchmark/cmake/AddCXXCompilerFlag.cmake b/llvm/utils/benchmark/cmake/AddCXXCompilerFlag.cmake
diff --git a/llvm/utils/benchmark/cmake/CXXFeatureCheck.cmake b/llvm/utils/benchmark/cmake/CXXFeatureCheck.cmake
diff --git a/llvm/utils/benchmark/cmake/Config.cmake.in b/llvm/utils/benchmark/cmake/Config.cmake.in
diff --git a/llvm/utils/benchmark/cmake/GetGitVersion.cmake b/llvm/utils/benchmark/cmake/GetGitVersion.cmake
diff --git a/llvm/utils/benchmark/cmake/HandleGTest.cmake b/llvm/utils/benchmark/cmake/HandleGTest.cmake
diff --git a/llvm/utils/benchmark/cmake/Modules/FindLLVMAr.cmake b/llvm/utils/benchmark/cmake/Modules/FindLLVMAr.cmake
diff --git a/llvm/utils/benchmark/cmake/Modules/FindLLVMNm.cmake b/llvm/utils/benchmark/cmake/Modules/FindLLVMNm.cmake
diff --git a/llvm/utils/benchmark/cmake/Modules/FindLLVMRanLib.cmake b/llvm/utils/benchmark/cmake/Modules/FindLLVMRanLib.cmake
diff --git a/llvm/utils/benchmark/cmake/benchmark.pc.in b/llvm/utils/benchmark/cmake/benchmark.pc.in
diff --git a/llvm/utils/benchmark/cmake/gnu_posix_regex.cpp b/llvm/utils/benchmark/cmake/gnu_posix_regex.cpp
diff --git a/llvm/utils/benchmark/cmake/llvm-toolchain.cmake b/llvm/utils/benchmark/cmake/llvm-toolchain.cmake
diff --git a/llvm/utils/benchmark/cmake/posix_regex.cpp b/llvm/utils/benchmark/cmake/posix_regex.cpp
diff --git a/llvm/utils/benchmark/cmake/split_list.cmake b/llvm/utils/benchmark/cmake/split_list.cmake
diff --git a/llvm/utils/benchmark/cmake/std_regex.cpp b/llvm/utils/benchmark/cmake/std_regex.cpp
diff --git a/llvm/utils/benchmark/cmake/steady_clock.cpp b/llvm/utils/benchmark/cmake/steady_clock.cpp
diff --git a/llvm/utils/benchmark/cmake/thread_safety_attributes.cpp b/llvm/utils/benchmark/cmake/thread_safety_attributes.cpp
diff --git a/llvm/utils/benchmark/docs/AssemblyTests.md b/llvm/utils/benchmark/docs/AssemblyTests.md
diff --git a/llvm/utils/benchmark/docs/tools.md b/llvm/utils/benchmark/docs/tools.md
diff --git a/llvm/utils/benchmark/include/benchmark/benchmark.h b/llvm/utils/benchmark/include/benchmark/benchmark.h
diff --git a/llvm/utils/benchmark/mingw.py b/llvm/utils/benchmark/mingw.py
diff --git a/llvm/utils/benchmark/releasing.md b/llvm/utils/benchmark/releasing.md
diff --git a/llvm/utils/benchmark/src/CMakeLists.txt b/llvm/utils/benchmark/src/CMakeLists.txt
diff --git a/llvm/utils/benchmark/src/arraysize.h b/llvm/utils/benchmark/src/arraysize.h
diff --git a/llvm/utils/benchmark/src/benchmark.cc b/llvm/utils/benchmark/src/benchmark.cc
diff --git a/llvm/utils/benchmark/src/benchmark_api_internal.h b/llvm/utils/benchmark/src/benchmark_api_internal.h
diff --git a/llvm/utils/benchmark/src/benchmark_main.cc b/llvm/utils/benchmark/src/benchmark_main.cc
diff --git a/llvm/utils/benchmark/src/benchmark_register.cc b/llvm/utils/benchmark/src/benchmark_register.cc
diff --git a/llvm/utils/benchmark/src/benchmark_register.h b/llvm/utils/benchmark/src/benchmark_register.h
diff --git a/llvm/utils/benchmark/src/check.h b/llvm/utils/benchmark/src/check.h
diff --git a/llvm/utils/benchmark/src/colorprint.cc b/llvm/utils/benchmark/src/colorprint.cc
diff --git a/llvm/utils/benchmark/src/colorprint.h b/llvm/utils/benchmark/src/colorprint.h