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",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUAsmBackend.cpp",
    "//llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCCodeEmitter.cpp",
    "//llvm/lib/Target/AVR/MCTargetDesc/AVRAsmBackend.cpp",
    "//llvm/lib/Target/AVR/MCTargetDesc/AVRMCCodeEmitter.cpp",
    "//llvm/lib/Target/BPF/MCTargetDesc/BPFAsmBackend.cpp",
    "//llvm/lib/Target/BPF/MCTargetDesc/BPFMCCodeEmitter.cpp",
    "//llvm/lib/Target/MSP430/MCTargetDesc/MSP430AsmBackend.cpp",
    "//llvm/lib/Target/MSP430/MCTargetDesc/MSP430MCCodeEmitter.cpp",
    "//llvm/lib/Target/VE/MCTargetDesc/VEAsmBackend.cpp",
    "//llvm/lib/Target/VE/MCTargetDesc/VEMCCodeEmitter.cpp"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}