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",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp",
    "//mlir/include/mlir/Query/Matcher/Marshallers.h",
    "//mlir/include/mlir/Query/Matcher/MatchFinder.h",
    "//mlir/include/mlir/Query/Matcher/MatchersInternal.h",
    "//mlir/include/mlir/Query/Matcher/SliceMatchers.h",
    "//mlir/include/mlir/Query/Matcher/VariantValue.h",
    "//mlir/lib/Query/Matcher/CMakeLists.txt",
    "//mlir/lib/Query/Matcher/MatchersInternal.cpp",
    "//mlir/lib/Query/Matcher/RegistryManager.cpp",
    "//mlir/lib/Query/Matcher/VariantValue.cpp",
    "//mlir/lib/Query/Query.cpp",
    "//mlir/test/mlir-query/backward-slice-union.mlir",
    "//mlir/test/mlir-query/forward-slice-by-predicate.mlir",
    "//mlir/test/mlir-query/logical-operator-test.mlir",
    "//mlir/test/mlir-query/slice-function-extraction.mlir",
    "//mlir/tools/mlir-query/mlir-query.cpp",
    "//utils/bazel/llvm-project-overlay/mlir/BUILD.bazel"
  ],
  "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": []
}