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": [
    "//libcxx/docs/ReleaseNotes/22.rst",
    "//libcxx/include/fstream",
    "//libcxx/test/benchmarks/streams/ofstream.bench.cpp",
    "//libcxx/test/libcxx/input.output/file.streams/fstreams/filebuf/traits_mismatch.verify.cpp",
    "//libcxx/test/libcxx/input.output/file.streams/fstreams/traits_mismatch.verify.cpp",
    "//libcxx/test/std/input.output/file.streams/fstreams/filebuf.virtuals/seekoff.pass.cpp",
    "//libcxx/test/std/input.output/file.streams/fstreams/filebuf.virtuals/xsputn.pass.cpp",
    "//lldb/docs/dil-expr-lang.ebnf",
    "//lldb/include/lldb/ValueObject/DILAST.h",
    "//lldb/include/lldb/ValueObject/DILEval.h",
    "//lldb/include/lldb/ValueObject/DILLexer.h",
    "//lldb/include/lldb/ValueObject/DILParser.h",
    "//lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp",
    "//lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.h",
    "//lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_arm.cpp",
    "//lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_arm.h",
    "//lldb/source/Plugins/Process/Utility/CMakeLists.txt",
    "//lldb/source/Plugins/Process/Utility/NativeRegisterContextDBReg.cpp",
    "//lldb/source/Plugins/Process/Utility/NativeRegisterContextDBReg.h",
    "//lldb/source/Plugins/Process/Utility/NativeRegisterContextDBReg_arm.cpp",
    "//lldb/source/Plugins/Process/Utility/NativeRegisterContextDBReg_arm.h",
    "//lldb/source/ValueObject/DILAST.cpp",
    "//lldb/source/ValueObject/DILEval.cpp",
    "//lldb/source/ValueObject/DILLexer.cpp",
    "//lldb/source/ValueObject/DILParser.cpp",
    "//lldb/test/API/commands/frame/var-dil/basics/ArraySubscript/TestFrameVarDILArraySubscript.py",
    "//lldb/test/API/commands/frame/var-dil/basics/Indirection/TestFrameVarDILIndirection.py",
    "//lldb/test/API/commands/frame/var-dil/expr/Literals/Makefile",
    "//lldb/test/API/commands/frame/var-dil/expr/Literals/TestFrameVarDILLiterals.py",
    "//lldb/test/API/commands/frame/var-dil/expr/Literals/main.cpp",
    "//lldb/unittests/Language/CPlusPlus/CMakeLists.txt",
    "//lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp",
    "//lldb/unittests/ValueObject/DILLexerTests.cpp",
    "//llvm/docs/InstCombineContributorGuide.md",
    "//llvm/lib/Target/X86/X86ISelLowering.cpp",
    "//llvm/utils/git/code-format-helper.py",
    "//llvm/utils/gn/secondary/libcxx/include/BUILD.gn",
    "//llvm/utils/gn/secondary/lldb/source/Plugins/Process/Utility/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": []
}