gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//.github/workflows/premerge.yaml",
    "//llvm/test/Analysis/CostModel/ARM/mve-abs.ll",
    "//llvm/test/Analysis/CostModel/ARM/mve-active_lane_mask.ll",
    "//llvm/test/Analysis/CostModel/ARM/mve-cmp.ll",
    "//llvm/test/Analysis/CostModel/ARM/mve-gather-scatter-cost.ll",
    "//llvm/test/Analysis/CostModel/ARM/mve-minmax.ll",
    "//llvm/test/Analysis/CostModel/ARM/mve-shuffle-loadstore.ll",
    "//llvm/test/Analysis/CostModel/ARM/mve-vecreduce-add.ll",
    "//llvm/utils/gn/secondary/clang/include/clang/Config/BUILD.gn",
    "//llvm/utils/gn/secondary/clang/test/BUILD.gn"
  ],
  "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": []
}