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/CodeGen/CGBuiltin.cpp",
    "//clang/lib/CodeGen/CodeGenTypes.cpp",
    "//clang/lib/Frontend/InitPreprocessor.cpp",
    "//clang/lib/Parse/ParseOpenACC.cpp",
    "//clang/test/Preprocessor/predefined-macros-hlsl.hlsl",
    "//llvm/lib/Analysis/LoopAccessAnalysis.cpp",
    "//llvm/lib/Transforms/Scalar/LoopLoadElimination.cpp",
    "//llvm/test/Analysis/LoopAccessAnalysis/different-strides-safe-dep-due-to-backedge-taken-count.ll",
    "//llvm/test/Analysis/LoopAccessAnalysis/non-constant-strides-forward.ll",
    "//mlir/test/Dialect/Linalg/match-ops-interpreter.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": []
}