gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//clang/lib/Format/ContinuationIndenter.cpp",
    "//clang/lib/Format/Format.cpp",
    "//clang/unittests/Format/FormatTest.cpp",
    "//llvm/lib/LTO/LTO.cpp",
    "//llvm/lib/Transforms/IPO/FunctionImport.cpp",
    "//llvm/test/ThinLTO/AMDGPU/Inputs/in-f1.ll",
    "//llvm/test/ThinLTO/AMDGPU/force-import-all.ll",
    "//llvm/test/ThinLTO/AMDGPU/lit.local.cfg",
    "//mlir/lib/Dialect/Tosa/IR/TosaCanonicalizations.cpp",
    "//mlir/test/Dialect/Tosa/canonicalize.mlir"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}