gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//clang/test/CodeGenDirectX/unsupported_intrinsic.hlsl",
    "//clang/test/CodeGenHLSL/enable-16bit-types.hlsl",
    "//clang/test/CodeGenHLSL/res-may-alias.hlsl",
    "//clang/test/SemaHLSL/BuiltIns/clamp-errors-16bit.hlsl",
    "//clang/test/SemaHLSL/BuiltIns/max-errors-16bit.hlsl",
    "//clang/test/SemaHLSL/BuiltIns/min-errors-16bit.hlsl"
  ],
  "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": []
}