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": [
    "//clang/lib/Basic/SourceManager.cpp",
    "//clang/www/cxx_dr_status.html",
    "//clang/www/make_cxx_dr_status",
    "//compiler-rt/test/tsan/cxa_guard_acquire.cpp",
    "//llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp",
    "//llvm/lib/Transforms/Scalar/StructurizeCFG.cpp",
    "//llvm/lib/Transforms/Utils/LoopUtils.cpp",
    "//llvm/test/CodeGen/AMDGPU/callbr.ll",
    "//llvm/test/CodeGen/AMDGPU/do-not-unify-divergent-exit-nodes-with-musttail.ll",
    "//llvm/test/CodeGen/AMDGPU/infinite-loop.ll",
    "//llvm/test/CodeGen/AMDGPU/si-annotate-nested-control-flows.ll",
    "//llvm/test/CodeGen/AMDGPU/si-unify-exit-multiple-unreachables.ll",
    "//llvm/test/CodeGen/AMDGPU/update-phi.ll",
    "//llvm/test/Transforms/LoopUnroll/zeroed-branch-weights.ll",
    "//llvm/test/Transforms/StructurizeCFG/callbr.ll"
  ],
  "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": []
}