gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//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"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/CodeGen/AtomicExpandPass.cpp",
    "//llvm/test/CodeGen/AMDGPU/unsupported-atomics.ll",
    "//llvm/test/CodeGen/NVPTX/atomic-alignment.err.ll",
    "//llvm/test/CodeGen/NVPTX/atomicrmw-expand.err.ll",
    "//llvm/test/CodeGen/NVPTX/atomics-b128.ll",
    "//llvm/test/CodeGen/NVPTX/load-store-atomic.err.ll",
    "//llvm/test/Transforms/AtomicExpand/AMDGPU/unaligned-atomic.ll",
    "//offload/CMakeLists.txt",
    "//offload/plugins-nextgen/cuda/CMakeLists.txt",
    "//offload/plugins-nextgen/cuda/src/rtl.cpp",
    "//offload/test/CMakeLists.txt",
    "//offload/unittests/CMakeLists.txt",
    "//openmp/docs/Building.md"
  ],
  "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": []
}