gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/lib/Semantics/resolve-names.cpp",
    "//flang/test/Semantics/declarations03.f90",
    "//mlir/CMakeLists.txt",
    "//mlir/cmake/modules/AddMLIR.cmake",
    "//mlir/cmake/modules/CMakeLists.txt",
    "//mlir/cmake/modules/MLIRConfig.cmake.in",
    "//mlir/docs/DefiningDialects/Operations.md",
    "//mlir/include/mlir/TableGen/CodeGenHelpers.h",
    "//mlir/lib/TableGen/CodeGenHelpers.cpp",
    "//mlir/test/lib/Dialect/Test/CMakeLists.txt",
    "//mlir/test/lib/Dialect/Test/TestDialect.cpp",
    "//mlir/test/lib/Dialect/Test/TestOps.cpp",
    "//mlir/test/mlir-tblgen/shard-op-defs.td",
    "//mlir/tools/mlir-src-sharder/CMakeLists.txt",
    "//mlir/tools/mlir-src-sharder/mlir-src-sharder.cpp",
    "//mlir/tools/mlir-tblgen/OpDefinitionsGen.cpp",
    "//mlir/tools/mlir-tblgen/OpGenHelpers.cpp",
    "//mlir/tools/mlir-tblgen/OpGenHelpers.h",
    "//utils/bazel/llvm-project-overlay/mlir/BUILD.bazel",
    "//utils/bazel/llvm-project-overlay/mlir/tblgen.bzl",
    "//utils/bazel/llvm-project-overlay/mlir/test/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": []
}