gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libunwind/test/dwarf_expression_stack.pass.cpp",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/fabs.ll",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/fneg.ll",
    "//mlir/include/mlir/Conversion/ControlFlowToSCF/ControlFlowToSCF.h",
    "//mlir/include/mlir/Conversion/Passes.td",
    "//mlir/include/mlir/Transforms/CFGToSCF.h",
    "//mlir/lib/Conversion/ControlFlowToSCF/CMakeLists.txt",
    "//mlir/lib/Conversion/ControlFlowToSCF/ControlFlowToSCF.cpp",
    "//mlir/lib/Transforms/Utils/CFGToSCF.cpp",
    "//mlir/test/Conversion/ControlFlowToSCF/test.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": []
}