gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp",
    "//llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.cpp",
    "//mlir/include/mlir/Dialect/LLVMIR/LLVMTypes.td",
    "//mlir/include/mlir/Dialect/Tensor/Transforms/Passes.h",
    "//mlir/include/mlir/Dialect/Tensor/Transforms/Passes.td",
    "//mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp",
    "//mlir/lib/Dialect/LLVMIR/IR/LLVMTypeSyntax.cpp",
    "//mlir/lib/Dialect/LLVMIR/IR/LLVMTypes.cpp",
    "//mlir/lib/Dialect/Tensor/Transforms/CMakeLists.txt",
    "//mlir/lib/Dialect/Tensor/Transforms/ScalarizeFunctionResult.cpp",
    "//mlir/lib/Target/LLVMIR/TypeFromLLVM.cpp",
    "//mlir/lib/Target/LLVMIR/TypeToLLVM.cpp",
    "//mlir/test/Dialect/LLVMIR/layout.mlir",
    "//mlir/test/Dialect/LLVMIR/roundtrip.mlir",
    "//mlir/test/Dialect/LLVMIR/types-invalid.mlir",
    "//mlir/test/Dialect/LLVMIR/types.mlir",
    "//mlir/test/Dialect/Tensor/scalarize-single-elem-return.mlir",
    "//mlir/test/Target/LLVMIR/Import/basic.ll",
    "//mlir/test/Target/LLVMIR/llvmir.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": []
}