gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//mlir/docs/Bindings/Python.md",
    "//mlir/docs/CAPI.md",
    "//mlir/docs/DefiningDialects/AttributesAndTypes.md",
    "//mlir/include/mlir-c/IR.h",
    "//mlir/include/mlir/IR/MLIRContext.h",
    "//mlir/include/mlir/Support/StorageUniquer.h",
    "//mlir/include/mlir/Support/ThreadLocalCache.h",
    "//mlir/lib/Bindings/Python/IRCore.cpp",
    "//mlir/lib/CAPI/IR/IR.cpp",
    "//mlir/lib/IR/AttributeDetail.h",
    "//mlir/lib/IR/MLIRContext.cpp",
    "//mlir/lib/Support/StorageUniquer.cpp",
    "//mlir/python/mlir/_mlir_libs/__init__.py",
    "//mlir/test/CAPI/ir.c",
    "//mlir/test/python/ir/context_lifecycle.py",
    "//mlir/test/python/ir/context_managers.py",
    "//mlir/unittests/IR/CMakeLists.txt",
    "//mlir/unittests/IR/MLIRContextResetTest.cpp",
    "//mlir/unittests/Support/StorageUniquerTest.cpp"
  ],
  "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": []
}