gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//clang/test/CodeGen/AArch64/targetattr.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-a510.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-a520.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-a520ae.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-a710.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-a715.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-a720.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-a720ae.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-a725.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-r82.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-r82ae.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-x2.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-x3.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-x4.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-cortex-x925.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-neoverse-512tvb.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-neoverse-n2.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-neoverse-n3.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-neoverse-v3.c",
    "//clang/test/Driver/print-enabled-extensions/aarch64-neoverse-v3ae.c",
    "//clang/test/Preprocessor/aarch64-target-features.c",
    "//llvm/lib/Target/AArch64/AArch64Processors.td"
  ],
  "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": []
}
running all tests due to change to blacklisted file