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",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/MC/MCAssembler.cpp",
    "//llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp",
    "//llvm/lib/TextAPI/InterfaceFile.cpp",
    "//llvm/lib/TextAPI/TextStubV5.cpp",
    "//llvm/test/MC/X86/abs8.s",
    "//llvm/test/tools/llvm-readtapi/compare-rpath-order.test",
    "//llvm/tools/llvm-readtapi/DiffEngine.cpp"
  ],
  "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": []
}