set(TSAN_LIT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})

set(TSAN_TEST_DEPS ${SANITIZER_COMMON_LIT_TEST_DEPS})
if(${COMPILER_RT_DEFAULT_TARGET_ARCH} MATCHES "x86_64")
  list(APPEND TSAN_TEST_DEPS GotsanRuntimeCheck)
endif()
if(NOT COMPILER_RT_STANDALONE_BUILD)
  list(APPEND TSAN_TEST_DEPS tsan)
endif()
if(COMPILER_RT_LIBCXX_PATH AND
   COMPILER_RT_LIBCXXABI_PATH AND
   COMPILER_RT_TEST_COMPILER_ID STREQUAL "Clang"
   AND NOT APPLE AND NOT ANDROID)
  list(APPEND TSAN_TEST_DEPS libcxx_tsan)
  set(TSAN_HAS_LIBCXX True)
else()
  set(TSAN_HAS_LIBCXX False)
endif()

set(TSAN_TESTSUITES)

if (NOT DEFINED TSAN_TEST_DEFLAKE_THRESHOLD)
  set(TSAN_TEST_DEFLAKE_THRESHOLD "10")
endif()

set(TSAN_TEST_ARCH ${TSAN_SUPPORTED_ARCH})
if(APPLE)
  darwin_filter_host_archs(TSAN_SUPPORTED_ARCH TSAN_TEST_ARCH)
endif()

foreach(arch ${TSAN_TEST_ARCH})
  set(TSAN_TEST_APPLE_PLATFORM "osx")
  set(TSAN_TEST_MIN_DEPLOYMENT_TARGET_FLAG "${DARWIN_osx_MIN_VER_FLAG}")

  set(TSAN_TEST_TARGET_ARCH ${arch})
  string(TOLOWER "-${arch}" TSAN_TEST_CONFIG_SUFFIX)
  get_test_cc_for_arch(${arch} TSAN_TEST_TARGET_CC TSAN_TEST_TARGET_CFLAGS)

  string(REPLACE ";" " " LIBDISPATCH_CFLAGS_STRING " ${COMPILER_RT_TEST_LIBDISPATCH_CFLAGS}")
  string(APPEND TSAN_TEST_TARGET_CFLAGS ${LIBDISPATCH_CFLAGS_STRING})

  string(TOUPPER ${arch} ARCH_UPPER_CASE)
  set(CONFIG_NAME ${ARCH_UPPER_CASE}Config)

  configure_lit_site_cfg(
    ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
    ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/lit.site.cfg.py)
  list(APPEND TSAN_TESTSUITES ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME})
endforeach()

# iOS and iOS simulator test suites
# These are not added into "check-all", in order to run these tests, use
# "check-tsan-iossim-x86_64" and similar. They also require an extra environment
# variable to select which iOS device or simulator to use, e.g.:
# SANITIZER_IOSSIM_TEST_DEVICE_IDENTIFIER="iPhone 6"
if(APPLE)
  set(TSAN_TEST_TARGET_CC ${COMPILER_RT_TEST_COMPILER})
  set(TSAN_APPLE_PLATFORMS ${TSAN_SUPPORTED_OS})
  foreach(platform ${TSAN_APPLE_PLATFORMS})
    if ("${platform}" STREQUAL "osx")
      # Skip macOS because it's handled by the code above that builds tests for the host machine.
      continue()
    endif()
    list_intersect(
      TSAN_TEST_${platform}_ARCHS
      TSAN_SUPPORTED_ARCH
      DARWIN_${platform}_ARCHS
    )
    foreach(arch ${TSAN_TEST_${platform}_ARCHS})
      get_test_cflags_for_apple_platform(
        "${platform}"
        "${arch}"
        TSAN_TEST_TARGET_CFLAGS
        )
      string(TOUPPER "${arch}" ARCH_UPPER_CASE)
      get_capitalized_apple_platform("${platform}" PLATFORM_CAPITALIZED)
      set(CONFIG_NAME "${PLATFORM_CAPITALIZED}${ARCH_UPPER_CASE}Config")
      set(TSAN_TEST_CONFIG_SUFFIX "-${arch}-${platform}")
      set(TSAN_TEST_APPLE_PLATFORM "${platform}")
      set(TSAN_TEST_TARGET_ARCH "${arch}")
      set(TSAN_TEST_MIN_DEPLOYMENT_TARGET_FLAG "${DARWIN_${platform}_MIN_VER_FLAG}")
      configure_lit_site_cfg(
        ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
        ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/lit.site.cfg.py
        )
      add_lit_testsuite(check-tsan-${platform}-${arch} "ThreadSanitizer ${platform} ${arch} tests"
        ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/
        EXCLUDE_FROM_CHECK_ALL
        DEPENDS ${TSAN_TEST_DEPS})
    endforeach()
  endforeach()
endif()

if(COMPILER_RT_INCLUDE_TESTS)
  configure_lit_site_cfg(
    ${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.site.cfg.py.in
    ${CMAKE_CURRENT_BINARY_DIR}/Unit/lit.site.cfg.py)
  list(APPEND TSAN_TEST_DEPS TsanUnitTests)
  list(APPEND TSAN_TESTSUITES ${CMAKE_CURRENT_BINARY_DIR}/Unit)
endif()

add_lit_testsuite(check-tsan "Running ThreadSanitizer tests"
  ${TSAN_TESTSUITES}
  DEPENDS ${TSAN_TEST_DEPS})
set_target_properties(check-tsan PROPERTIES FOLDER "Compiler-RT Tests")