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": [
    "//libc/cmake/caches/armv7m-none-eabi.cmake",
    "//llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp",
    "//llvm/test/Transforms/DeadStoreElimination/OverwriteStoreBegin.ll",
    "//llvm/test/Transforms/DeadStoreElimination/captures-before-load.ll",
    "//llvm/test/Transforms/DeadStoreElimination/multiblock-loops.ll",
    "//llvm/test/Transforms/DeadStoreElimination/multiblock-malloc-free.ll",
    "//llvm/test/Transforms/DeadStoreElimination/multiblock-memintrinsics.ll",
    "//llvm/test/Transforms/DeadStoreElimination/offset-wrap.ll",
    "//mlir/include/mlir/IR/Diagnostics.h",
    "//mlir/lib/IR/Diagnostics.cpp",
    "//mlir/unittests/IR/Diagnostic.cpp"
  ],
  "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": []
}