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": [
    "//.github/workflows/premerge.yaml",
    "//llvm/lib/Analysis/ScalarEvolution.cpp",
    "//llvm/lib/Bitcode/Writer/BitcodeWriter.cpp",
    "//llvm/lib/Target/DirectX/CMakeLists.txt",
    "//llvm/test/Analysis/ScalarEvolution/max-backedge-taken-count-guard-info.ll",
    "//llvm/test/Transforms/IndVarSimplify/rewrite-loop-exit-values-phi.ll",
    "//llvm/test/Transforms/LoopIdiom/X86/memset-size-compute.ll",
    "//llvm/test/Transforms/LoopIdiom/add-nsw-zext-fold.ll",
    "//llvm/test/Transforms/LoopVectorize/runtime-check.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": []
}