gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/MC/M68k/Relaxations/PIC/branch.s",
    "//llvm/test/MC/M68k/Relaxations/PIC/branch32.s",
    "//llvm/test/MC/M68k/Relaxations/branch32.s",
    "//llvm/test/MC/M68k/Relocations/PIC/data-abs.s",
    "//llvm/test/MC/M68k/Relocations/PIC/data-gotoff.s",
    "//llvm/test/MC/M68k/Relocations/PIC/data-gotpcrel.s",
    "//llvm/test/MC/M68k/Relocations/PIC/data-pc-rel.s",
    "//llvm/test/MC/M68k/Relocations/PIC/text-plt.s",
    "//llvm/test/MC/M68k/Relocations/data-abs.s",
    "//llvm/test/MC/M68k/Relocations/data-gotoff.s",
    "//llvm/test/MC/M68k/Relocations/data-gotpcrel.s",
    "//llvm/test/MC/M68k/Relocations/data-pc-rel.s",
    "//llvm/test/MC/M68k/Relocations/text-plt.s"
  ],
  "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": []
}