gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/MC/AArch64/armv8.6a-fgt.s",
    "//llvm/test/MC/AArch64/armv8.8a-mops-diagnostics.s",
    "//llvm/test/MC/AArch64/armv8.8a-mops.s",
    "//llvm/test/MC/AArch64/armv8.9a-clrbhb.s",
    "//llvm/test/MC/AArch64/armv8.9a-debug-pmu.s",
    "//llvm/test/MC/AArch64/armv8.9a-lrcpc3.s",
    "//llvm/test/MC/AArch64/armv8.9a-specres2.s",
    "//llvm/test/MC/AArch64/armv8.9a-the-diagnostics.s",
    "//llvm/test/MC/AArch64/armv8.9a-the.s",
    "//llvm/test/MC/AArch64/armv9-mrrs-diagnostics.s",
    "//llvm/test/MC/AArch64/armv9-mrrs.s",
    "//llvm/test/MC/AArch64/armv9-msrr-diagnostics.s",
    "//llvm/test/MC/AArch64/armv9-msrr.s",
    "//llvm/test/MC/AArch64/armv9-sysp-diagnostics.s",
    "//llvm/test/MC/AArch64/armv9-sysp.s",
    "//llvm/test/MC/AArch64/armv9.4a-chk.s",
    "//llvm/test/MC/AArch64/armv9.5a-tlbiw.s",
    "//llvm/test/MC/AArch64/armv9a-sysp.s",
    "//llvm/test/MC/Disassembler/AArch64/armv8.6a-fgt.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv8.8a-mops.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv8.9a-clrbhb.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv8.9a-debug-pmu.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv8.9a-lrcpc3.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv8.9a-specres2.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv8.9a-the.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9-sysp.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9-sysreg128.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9.4a-chk.txt",
    "//llvm/test/MC/Disassembler/AArch64/armv9.5a-tlbiw.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": []
}