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": [
    "//llvm/lib/Transforms/IPO/GlobalOpt.cpp",
    "//llvm/lib/Transforms/Vectorize/VectorCombine.cpp",
    "//llvm/test/Transforms/GlobalOpt/X86/preserve-dbgloc-of-load-store-to-bool.ll",
    "//llvm/test/Transforms/GlobalOpt/malloc-promote-atomic.ll",
    "//llvm/test/Transforms/VectorCombine/pr132563.ll",
    "//polly/lib/CodeGen/BlockGenerators.cpp",
    "//polly/lib/CodeGen/CodeGeneration.cpp",
    "//polly/lib/CodeGen/IslExprBuilder.cpp",
    "//polly/lib/CodeGen/IslNodeBuilder.cpp",
    "//polly/lib/CodeGen/LoopGenerators.cpp",
    "//polly/lib/CodeGen/LoopGeneratorsGOMP.cpp",
    "//polly/lib/CodeGen/LoopGeneratorsKMP.cpp",
    "//polly/lib/CodeGen/PerfMonitor.cpp"
  ],
  "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": []
}