gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//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/DWARFLinker/Parallel/DependencyTracker.cpp",
    "//llvm/lib/Target/NVPTX/NVPTXAsmPrinter.cpp",
    "//llvm/test/CodeGen/NVPTX/globals_init.ll",
    "//llvm/test/tools/dsymutil/Inputs/drop-module-fwd-decl/debug-map.map",
    "//llvm/test/tools/dsymutil/Inputs/drop-module-fwd-decl/input.ll",
    "//llvm/test/tools/dsymutil/Inputs/keep-module-fwd-decl-template/debug-map.map",
    "//llvm/test/tools/dsymutil/Inputs/keep-module-fwd-decl-template/input.ll",
    "//llvm/test/tools/dsymutil/X86/drop-module-fwd-decl.test",
    "//llvm/test/tools/dsymutil/X86/keep-module-fwd-decl-template.test",
    "//llvm/test/tools/dsymutil/X86/submodules.m"
  ],
  "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": []
}