gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//clang/lib/CIR/CodeGen/CIRGenBuiltinX86.cpp",
    "//lld/MachO/BPSectionOrderer.cpp",
    "//lld/test/MachO/bp-section-orderer.s",
    "//llvm/lib/Target/AMDGPU/AMDGPURegBankLegalizeRules.cpp",
    "//llvm/test/CodeGen/AMDGPU/readcyclecounter.ll",
    "//mlir/lib/Dialect/GPU/Transforms/SubgroupReduceLowering.cpp",
    "//mlir/test/Dialect/GPU/subgroup-reduce-lowering.mlir"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}