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/lib/Bitcode/Writer/BitcodeWriter.cpp",
    "//llvm/lib/IR/AsmWriter.cpp",
    "//llvm/tools/bugpoint/OptimizerDriver.cpp",
    "//llvm/tools/llvm-as/llvm-as.cpp",
    "//llvm/tools/llvm-dis/llvm-dis.cpp",
    "//llvm/tools/llvm-extract/llvm-extract.cpp",
    "//llvm/tools/llvm-link/llvm-link.cpp",
    "//llvm/tools/opt/optdriver.cpp",
    "//mlir/docs/Bindings/Python.md"
  ],
  "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": []
}