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/Target/ARM/ARMBasicBlockInfo.cpp",
    "//llvm/lib/Target/ARM/ARMFixCortexA57AES1742098Pass.cpp",
    "//llvm/lib/Target/ARM/ARMHazardRecognizer.cpp",
    "//llvm/lib/Target/ARM/ARMInstrInfo.cpp",
    "//llvm/lib/Target/ARM/ARMLatencyMutations.cpp",
    "//llvm/lib/Target/ARM/ARMOptimizeBarriersPass.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMInstPrinter.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMMachObjectWriter.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMWinCOFFObjectWriter.cpp",
    "//llvm/lib/Target/ARM/MVEVPTBlockPass.cpp",
    "//llvm/lib/Target/ARM/Thumb2SizeReduction.cpp",
    "//llvm/lib/Target/ARM/ThumbRegisterInfo.cpp",
    "//llvm/lib/Target/ARM/Utils/ARMBaseInfo.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": []
}