gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/MC/AArch64/ilp32-diagnostics.s",
    "//llvm/test/MC/ARM/lower-upper-errors-2.s",
    "//llvm/test/MC/ARM/thumb-branches.s",
    "//llvm/test/MC/ARM/thumb2-branch-ranges.s",
    "//llvm/test/MC/ELF/relocation-alias.s",
    "//llvm/test/MC/Mips/reloc-directive-bad-obj.s",
    "//llvm/test/MC/RISCV/Relocations/expr-err.s",
    "//mlir/docs/Bindings/Python.md"
  ],
  "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": []
}