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": [
    "//lld/COFF/InputFiles.cpp",
    "//lld/COFF/SymbolTable.cpp",
    "//lld/test/COFF/link-dll-arm64ec.s",
    "//lld/test/COFF/stdcall-alias.s",
    "//llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp",
    "//llvm/test/CodeGen/AArch64/xar.ll"
  ],
  "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": []
}