CMakeLists.txt

  install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm ${LLVM_INCLUDE_DIR}/llvm-c
    DESTINATION include
    COMPONENT llvm-headers
    FILES_MATCHING
    PATTERN "*.def"
    PATTERN "*.h"
    PATTERN "*.gen"
    PATTERN "*.inc"
    # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
    PATTERN "CMakeFiles" EXCLUDE
    PATTERN "config.h" EXCLUDE
    PATTERN ".svn" EXCLUDE
    )

  if (LLVM_INSTALL_MODULEMAPS)
    install(DIRECTORY include/llvm include/llvm-c
            DESTINATION include
            COMPONENT llvm-headers
            FILES_MATCHING
            PATTERN "module.modulemap"
            )
    install(FILES include/llvm/module.install.modulemap
            DESTINATION include/llvm
            COMPONENT llvm-headers
            RENAME "module.extern.modulemap"
            )
  endif(LLVM_INSTALL_MODULEMAPS)

  # Installing the headers needs to depend on generating any public
  # tablegen'd headers.
  add_custom_target(llvm-headers DEPENDS intrinsics_gen)
  set_target_properties(llvm-headers PROPERTIES FOLDER "Misc")

  if (NOT LLVM_ENABLE_IDE)
    add_llvm_install_targets(install-llvm-headers
                             DEPENDS llvm-headers
                             COMPONENT llvm-headers)
  endif()

  # Custom target to install all libraries.
  add_custom_target(llvm-libraries)
  set_target_properties(llvm-libraries PROPERTIES FOLDER "Misc")

  if (NOT LLVM_ENABLE_IDE)
    add_llvm_install_targets(install-llvm-libraries
                             DEPENDS llvm-libraries
                             COMPONENT llvm-libraries)
  endif()

  get_property(LLVM_LIBS GLOBAL PROPERTY LLVM_LIBS)
  if(LLVM_LIBS)
    list(REMOVE_DUPLICATES LLVM_LIBS)
    foreach(lib ${LLVM_LIBS})
      add_dependencies(llvm-libraries ${lib})
      if (NOT LLVM_ENABLE_IDE)
        add_dependencies(install-llvm-libraries install-${lib})
      endif()
    endforeach()
  endif()
endif()

# This must be at the end of the LLVM root CMakeLists file because it must run
# after all targets are created.
if(LLVM_DISTRIBUTION_COMPONENTS)
  if(LLVM_ENABLE_IDE)
    message(FATAL_ERROR "LLVM_DISTRIBUTION_COMPONENTS cannot be specified with multi-configuration generators (i.e. Xcode or Visual Studio)")
  endif()

  add_custom_target(distribution)
  add_custom_target(install-distribution)
  add_custom_target(install-distribution-stripped)
  foreach(target ${LLVM_DISTRIBUTION_COMPONENTS} ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS})
    if(TARGET ${target})
      add_dependencies(distribution ${target})
    else()
      message(SEND_ERROR "Specified distribution component '${target}' doesn't have a target")
    endif()

    if(TARGET install-${target})
      add_dependencies(install-distribution install-${target})
    else()
      message(SEND_ERROR "Specified distribution component '${target}' doesn't have an install target")
    endif()

    if(TARGET install-${target}-stripped)
      add_dependencies(install-distribution-stripped install-${target}-stripped)
    else()
      message(SEND_ERROR "Specified distribution component '${target}' doesn't have an install-stripped target."
                         " Its installation target creation should be changed to use add_llvm_install_targets,"
                         " or you should manually create the 'install-${target}-stripped' target.")
    endif()
  endforeach()
endif()

# This allows us to deploy the Universal CRT DLLs by passing -DCMAKE_INSTALL_UCRT_LIBRARIES=ON to CMake
if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows" AND CMAKE_INSTALL_UCRT_LIBRARIES)
  include(InstallRequiredSystemLibraries)
endif()

if (LLVM_INCLUDE_BENCHMARKS)
  # Override benchmark defaults so that when the library itself is updated these
  # modifications are not lost.
  set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "Disable benchmark testing" FORCE)
  set(BENCHMARK_ENABLE_EXCEPTIONS OFF CACHE BOOL "Disable benchmark exceptions" FORCE)
  set(BENCHMARK_ENABLE_INSTALL OFF CACHE BOOL "Don't install benchmark" FORCE)
  set(BENCHMARK_DOWNLOAD_DEPENDENCIES OFF CACHE BOOL "Don't download dependencies" FORCE)
  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(benchmarks)
endif()