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",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp",
    "//llvm/lib/IR/Verifier.cpp",
    "//llvm/lib/Transforms/Utils/CodeExtractor.cpp",
    "//llvm/test/Assembler/invalid-diexpression-arg-negative.ll",
    "//llvm/test/DebugInfo/AArch64/dbg-value-arg-index-out-of-range.ll",
    "//llvm/test/Transforms/HotColdSplit/split-out-dbg-val-arglist.ll",
    "//llvm/test/Verifier/dbg-record-expression-arg-out-of-range.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": []
}