gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan"
  ]
}
gn analyze input:
{
  "files": [
    "//clang/lib/CodeGen/CGBuiltin.cpp",
    "//clang/lib/Driver/ToolChains/Arch/ARM.cpp",
    "//clang/test/CodeGenOpenCL/amdgpu-enqueue-kernel.cl",
    "//clang/test/CodeGenOpenCL/cl20-device-side-enqueue-attributes.cl",
    "//clang/test/CodeGenOpenCL/cl20-device-side-enqueue.cl",
    "//clang/test/Driver/arm-alignment.c"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}