gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Target/SPIRV/SPIRVAuxDataHandler.cpp",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_KHR_non_semantic_info/preserve-all-function-attributes.ll",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_KHR_non_semantic_info/preserve-all-function-metadata-debug.ll",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_KHR_non_semantic_info/preserve-all-function-metadata.ll",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_KHR_non_semantic_info/preserve-auxdata-amd-function-attributes.ll",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_KHR_non_semantic_info/preserve-auxdata-amdgpu-atomic-metadata.ll",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_KHR_non_semantic_info/preserve-auxdata-requires-extension.ll",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_KHR_non_semantic_info/preserve-auxdata-uinc-udec-wrap-metadata.ll",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_KHR_non_semantic_info/preserve-auxdata.ll",
    "//llvm/test/CodeGen/SPIRV/extensions/SPV_KHR_non_semantic_info/preserve-gv-attributes.ll",
    "//llvm/test/CodeGen/SPIRV/linkage/available-externally-function.ll"
  ],
  "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": []
}