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": [
    "//flang/lib/Optimizer/Transforms/AddDebugInfo.cpp",
    "//flang/test/Transforms/debug-module-3.fir",
    "//llvm/lib/Object/BuildID.cpp",
    "//llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp",
    "//llvm/test/DebugInfo/symbolize-build-id.test",
    "//llvm/test/Transforms/LoopVectorize/AArch64/fully-unrolled-cost.ll",
    "//llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-chained.ll",
    "//llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product-epilogue.ll",
    "//llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product-mixed.ll",
    "//llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product.ll",
    "//llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-sub.ll",
    "//llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce.ll",
    "//llvm/test/Transforms/LoopVectorize/AArch64/reg-usage.ll",
    "//llvm/unittests/Object/BuildIDTest.cpp",
    "//llvm/unittests/Object/CMakeLists.txt",
    "//llvm/utils/gn/secondary/llvm/unittests/Object/BUILD.gn"
  ],
  "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": []
}