gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/cmake/modules/CrossCompile.cmake",
    "//llvm/test/Analysis/CostModel/X86/shuffle-broadcast-fp16.ll",
    "//llvm/test/Analysis/CostModel/X86/shuffle-broadcast.ll",
    "//llvm/test/Analysis/CostModel/X86/shuffle-extract_subvector.ll",
    "//llvm/test/Analysis/CostModel/X86/shuffle-insert_subvector.ll",
    "//llvm/test/Analysis/CostModel/X86/shuffle-non-pow-2.ll",
    "//llvm/test/Analysis/CostModel/X86/shuffle-reverse-fp16.ll",
    "//llvm/test/Analysis/CostModel/X86/shuffle-reverse.ll",
    "//llvm/test/Analysis/CostModel/X86/shuffle-single-src-fp16.ll",
    "//llvm/test/Analysis/CostModel/X86/shuffle-single-src.ll",
    "//llvm/test/Analysis/CostModel/X86/shuffle-splat.ll"
  ],
  "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": []
}