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/Target/AArch64/AArch64ISelLowering.cpp",
    "//llvm/test/CodeGen/AArch64/add.ll",
    "//llvm/test/CodeGen/AArch64/andorxor.ll",
    "//llvm/test/CodeGen/AArch64/arm64-rev.ll",
    "//llvm/test/CodeGen/AArch64/arm64-storebytesmerge.ll",
    "//llvm/test/CodeGen/AArch64/bitcast.ll",
    "//llvm/test/CodeGen/AArch64/ctlz.ll",
    "//llvm/test/CodeGen/AArch64/ctpop.ll",
    "//llvm/test/CodeGen/AArch64/cttz.ll",
    "//llvm/test/CodeGen/AArch64/ldst-opt.ll",
    "//llvm/test/CodeGen/AArch64/lowmaskedlanes.ll",
    "//llvm/test/CodeGen/AArch64/mul.ll",
    "//llvm/test/CodeGen/AArch64/neon-rshrn.ll",
    "//llvm/test/CodeGen/AArch64/neon-truncstore.ll",
    "//llvm/test/CodeGen/AArch64/sadd_sat_vec.ll",
    "//llvm/test/CodeGen/AArch64/shufflevector.ll",
    "//llvm/test/CodeGen/AArch64/ssub_sat_vec.ll",
    "//llvm/test/CodeGen/AArch64/store.ll",
    "//llvm/test/CodeGen/AArch64/sub.ll",
    "//llvm/test/CodeGen/AArch64/uadd_sat_vec.ll",
    "//llvm/test/CodeGen/AArch64/usub_sat_vec.ll",
    "//llvm/test/CodeGen/AArch64/vec3-loads-ext-trunc-stores.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": []
}