gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/CodeGen/AMDGPU/arbitrary-fp-from-float-fp8-f16-hw.ll",
    "//llvm/test/CodeGen/AMDGPU/arbitrary-fp-to-float-fp8-hw.ll",
    "//llvm/test/Instrumentation/InstrProfiling/gpu-weak.ll",
    "//llvm/test/Instrumentation/Instrumentor/load_store_gpu_ind.ll",
    "//llvm/test/MC/ELF/AMDGPU/cfi.s",
    "//llvm/test/MC/ELF/cfi-register-pair.s",
    "//llvm/test/MC/ELF/cfi-vector-offset.s",
    "//llvm/test/MC/ELF/cfi-vector-registers.s",
    "//llvm/test/Other/amdgpu-pass-pipeline-parsing.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": []
}