gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/atomicrmw_udec_wrap.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/atomicrmw_uinc_wrap.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/fp-atomics-gfx942.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgpu-atomic-cmpxchg-flat.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-atomicrmw-add-flat.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-load-atomic-flat.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-load-flat.mir",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-store-flat.mir",
    "//llvm/test/CodeGen/AMDGPU/atomics_cond_sub.ll",
    "//llvm/test/CodeGen/AMDGPU/llvm.amdgcn.flat.prefetch.ll",
    "//llvm/test/CodeGen/AMDGPU/llvm.amdgcn.global.prefetch.ll",
    "//llvm/test/CodeGen/AMDGPU/llvm.amdgcn.load.monitor.gfx1250.ll",
    "//llvm/test/CodeGen/AMDGPU/offset-split-flat.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": []
}