gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/utils/profcheck-xfail.txt",
    "//mlir/include/mlir/Dialect/LLVMIR/LLVMAttrDefs.td",
    "//mlir/include/mlir/Dialect/LLVMIR/LLVMInterfaces.td",
    "//mlir/include/mlir/Target/LLVMIR/Transforms/Passes.h",
    "//mlir/include/mlir/Target/LLVMIR/Transforms/Passes.td",
    "//mlir/include/mlir/Target/LLVMIR/Transforms/TargetUtils.h",
    "//mlir/lib/Dialect/LLVMIR/IR/LLVMAttrs.cpp",
    "//mlir/lib/Target/LLVMIR/Transforms/CMakeLists.txt",
    "//mlir/lib/Target/LLVMIR/Transforms/TargetToDataLayout.cpp",
    "//mlir/lib/Target/LLVMIR/Transforms/TargetToTargetFeatures.cpp",
    "//mlir/lib/Target/LLVMIR/Transforms/TargetUtils.cpp",
    "//mlir/test/Dialect/LLVMIR/target-to-data-layout.mlir",
    "//mlir/test/Target/LLVMIR/target-to-data-layout-and-target-features.mlir",
    "//mlir/test/Target/LLVMIR/target-to-data-layout-invalid.mlir",
    "//mlir/test/Target/LLVMIR/target-to-data-layout-no-init.mlir",
    "//mlir/test/Target/LLVMIR/target-to-target-features-dlti-query.mlir"
  ],
  "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": []
}