gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//mlir/lib/IR/AffineMap.cpp",
    "//mlir/lib/IR/AsmPrinter.cpp",
    "//mlir/lib/IR/Block.cpp",
    "//mlir/lib/IR/Builders.cpp",
    "//mlir/lib/IR/BuiltinAttributes.cpp",
    "//mlir/lib/IR/BuiltinDialect.cpp",
    "//mlir/lib/IR/BuiltinTypeInterfaces.cpp",
    "//mlir/lib/IR/BuiltinTypes.cpp",
    "//mlir/lib/IR/Dialect.cpp",
    "//mlir/lib/IR/Dominance.cpp",
    "//mlir/lib/IR/MLIRContext.cpp",
    "//mlir/lib/IR/Operation.cpp",
    "//mlir/lib/IR/OperationSupport.cpp",
    "//mlir/lib/IR/TypeRange.cpp",
    "//mlir/lib/IR/Unit.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": []
}