add_custom_target(UnitTests)
set_target_properties(UnitTests PROPERTIES FOLDER "LLVM/Tests")

function(add_llvm_unittest test_dirname)
  add_unittest(UnitTests ${test_dirname} ${ARGN})
endfunction()
function(add_llvm_unittest_with_input_files test_dirname)
  add_unittest_with_input_files(UnitTests ${test_dirname} ${ARGN})
endfunction()

# The target unittests may test APIs that aren't exported in libLLVM.so, so
# we need to always link against the static libraries.
function(add_llvm_target_unittest test_dir_name)
  add_llvm_unittest(${test_dir_name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN})
endfunction()

# gtest macros like EXPECT_TRUE are expanded to a single line
# multi-statement code with if/else. eg:
#   if (...)
#     EXPECT_TURE(...)
# will be expanded into something like:
#   if(...)
#     switch (0) case 0: default: if (...) ; else return;;
# GCC may emit false positive dangling-else warnings for such code.
# However, such warnings are actually against LLVM's style guide.
# disable the warning for GCC so that one can enbable Werror.
if (CMAKE_COMPILER_IS_GNUCXX)
  list(APPEND LLVM_COMPILE_FLAGS "-Wno-dangling-else")
endif ()

add_subdirectory(ADT)
add_subdirectory(Analysis)
add_subdirectory(AsmParser)
add_subdirectory(BinaryFormat)
add_subdirectory(Bitcode)
add_subdirectory(Bitstream)
add_subdirectory(CGData)
add_subdirectory(CodeGen)
add_subdirectory(DebugInfo)
add_subdirectory(Debuginfod)
add_subdirectory(Demangle)
add_subdirectory(DWARFLinkerParallel)
add_subdirectory(ExecutionEngine)
add_subdirectory(FileCheck)
add_subdirectory(Frontend)
add_subdirectory(FuzzMutate)
add_subdirectory(InterfaceStub)
add_subdirectory(IR)
add_subdirectory(LineEditor)
add_subdirectory(Linker)
add_subdirectory(MC)
add_subdirectory(MI)
add_subdirectory(MIR)
add_subdirectory(ObjCopy)
add_subdirectory(Object)
add_subdirectory(ObjectYAML)
add_subdirectory(Option)
add_subdirectory(Remarks)
add_subdirectory(Passes)
add_subdirectory(ProfileData)
add_subdirectory(SandboxIR)
add_subdirectory(Support)
add_subdirectory(TableGen)
add_subdirectory(Target)
add_subdirectory(TargetParser)
add_subdirectory(Telemetry)
add_subdirectory(Testing)
add_subdirectory(TextAPI)
add_subdirectory(Transforms)
add_subdirectory(XRay)
add_subdirectory(tools)