gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/CodeGen/AArch64/GlobalISel/fold-global-offsets-insertpt.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/fold-global-offsets-target-features.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/fold-global-offsets.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/form-bitfield-extract-from-and.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/icmp-flags.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/inline-memcpy-forced.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/non-pow-2-extload-combine.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/opt-overlapping-and-postlegalize.mir",
    "//llvm/test/CodeGen/AArch64/GlobalISel/opt-overlapping-and.mir",
    "//llvm/test/CodeGen/AArch64/extractvector-of-load.mir",
    "//llvm/test/CodeGen/AArch64/extractvector-oob-load.mir"
  ],
  "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": []
}