gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/cmake/modules/HandleLLVMStdlib.cmake",
    "//llvm/cmake/modules/LLVMConfig.cmake.in",
    "//llvm/test/MC/AArch64/armv8.9a-ats1a.s",
    "//llvm/test/MC/AArch64/armv9.4a-ebep.s",
    "//llvm/test/MC/AArch64/armv9.5a-e3dse.s",
    "//llvm/test/MC/AArch64/armv9.5a-fgwte3.s",
    "//llvm/test/MC/AArch64/armv9.5a-hacdbs.s",
    "//llvm/test/MC/AArch64/armv9.5a-hdbss.s",
    "//llvm/test/MC/AArch64/armv9.5a-spmu2.s",
    "//llvm/test/MC/AArch64/armv9.5a-step2.s",
    "//llvm/test/MC/AArch64/armv9.6a-srmask.s",
    "//llvm/test/MC/AArch64/armv9.6a-statistical-profiling.s",
    "//llvm/test/MC/AArch64/armv9.6a-trbe-exception.s",
    "//llvm/test/MC/Disassembler/AArch64/armv8.9a-ats1a.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9.4a-ebep.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9.5a-e3dse.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9.5a-fgwte3.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9.5a-hacdbs.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9.5a-hdbss.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9.5a-spmu2.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9.5a-step2.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9.6a-srmask.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9.6a-statistical-profiling.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9.6a-trbe-exception.txt"
  ],
  "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": []
}