gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/Instrumentation/InstrProfiling/Coro/coro-split-musttail.ll",
    "//llvm/test/Instrumentation/InstrProfiling/Coro/coro-split-musttail1.ll",
    "//llvm/test/Instrumentation/InstrProfiling/Coro/coro-split-musttail10.ll",
    "//llvm/test/Instrumentation/InstrProfiling/Coro/coro-split-musttail11.ll",
    "//llvm/test/Instrumentation/InstrProfiling/Coro/coro-split-musttail12.ll",
    "//llvm/test/Instrumentation/InstrProfiling/Coro/coro-split-musttail13.ll",
    "//llvm/test/Instrumentation/InstrProfiling/Coro/coro-split-musttail2.ll",
    "//llvm/test/Instrumentation/InstrProfiling/Coro/coro-split-musttail3.ll",
    "//llvm/test/Instrumentation/InstrProfiling/Coro/coro-split-musttail4.ll",
    "//llvm/test/Instrumentation/InstrProfiling/Coro/coro-split-musttail5.ll",
    "//llvm/test/Instrumentation/InstrProfiling/Coro/coro-split-musttail6.ll",
    "//llvm/test/Instrumentation/InstrProfiling/Coro/coro-split-musttail7.ll"
  ],
  "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": []
}