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": [
    "//clang/lib/AST/ByteCode/Compiler.cpp",
    "//clang/test/SemaCXX/cxx1z-constexpr-lambdas.cpp",
    "//llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp",
    "//llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp",
    "//llvm/test/Transforms/InstCombine/icmp_or_umul_overflow.ll",
    "//mlir/test/Target/LLVMIR/omptarget-debug-reduc-fn-loc.mlir"
  ],
  "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": []
}