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": [
    "//lldb/source/Commands/CommandObjectProcess.cpp",
    "//lldb/source/Symbol/SaveCoreOptions.cpp",
    "//lldb/test/Shell/Commands/command-process-save-core-not-a-plugin.test",
    "//llvm/lib/CodeGen/GlobalISel/GISelValueTracking.cpp",
    "//llvm/test/CodeGen/AArch64/GlobalISel/knownbits-concat.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/legalize-min-max.mir",
    "//llvm/test/CodeGen/AArch64/aarch64-dup-ext.ll",
    "//llvm/test/CodeGen/AArch64/fcmp.ll",
    "//llvm/test/CodeGen/AArch64/scmp.ll",
    "//llvm/test/CodeGen/AArch64/ucmp.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": []
}