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/InterpBuiltin.cpp",
    "//clang/test/AST/ByteCode/new-delete.cpp",
    "//flang/test/Fir/box.fir",
    "//flang/test/Fir/rebox-global.fir",
    "//flang/test/Fir/type-descriptor.fir",
    "//llvm/lib/Target/X86/X86ISelLowering.cpp",
    "//llvm/test/CodeGen/X86/any_extend_vector_inreg_of_broadcast_from_memory.ll",
    "//llvm/test/CodeGen/X86/zero_extend_vector_inreg_of_broadcast_from_memory.ll",
    "//mlir/lib/Target/LLVMIR/ModuleTranslation.cpp",
    "//mlir/test/Target/LLVMIR/llvmir.mlir",
    "//mlir/test/Target/LLVMIR/omptarget-declare-target-llvm-host.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": []
}