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/docs/LangRef.rst",
    "//llvm/docs/TransformMetadata.rst",
    "//llvm/lib/Transforms/Scalar/LoopDistribute.cpp",
    "//llvm/test/Transforms/LoopDistribute/cross-partition-access.ll",
    "//llvm/test/Transforms/LoopDistribute/followup.ll",
    "//llvm/test/Transforms/LoopDistribute/laa-invalidation.ll",
    "//llvm/test/Transforms/LoopDistribute/no-reprocess.ll",
    "//llvm/test/Transforms/LoopDistribute/scev-inserted-runtime-check.ll",
    "//llvm/test/Transforms/LoopVersioning/noalias-version-twice.ll",
    "//llvm/test/tools/UpdateTestChecks/update_analyze_test_checks/Inputs/loop-distribute.ll.expected"
  ],
  "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": []
}