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": [
    "//llvm/lib/Transforms/Utils/BuildLibCalls.cpp",
    "//llvm/test/Transforms/InferFunctionAttrs/annotate.ll",
    "//llvm/test/Transforms/InferFunctionAttrs/readonly_and_writeonly.ll",
    "//llvm/test/Transforms/LICM/strlen.ll",
    "//llvm/test/Transforms/LoopIdiom/basic.ll",
    "//llvm/test/Transforms/LoopIdiom/memset-pattern-tbaa.ll",
    "//llvm/test/Transforms/LoopIdiom/struct_pattern.ll",
    "//llvm/test/Transforms/LoopIdiom/unroll-custom-dl.ll",
    "//llvm/test/Transforms/LoopIdiom/unroll.ll",
    "//llvm/test/Transforms/PreISelIntrinsicLowering/X86/memset-pattern.ll"
  ],
  "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": []
}