gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//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": [
    "//compiler-rt/lib/ubsan/ubsan_handlers.cpp",
    "//compiler-rt/test/cfi/cross-dso/icall/diag.cpp",
    "//compiler-rt/test/cfi/cross-dso/icall/icall-from-dso.cpp",
    "//compiler-rt/test/cfi/cross-dso/icall/icall.cpp",
    "//compiler-rt/test/cfi/mfcall.cpp",
    "//llvm/lib/Transforms/IPO/LowerTypeTests.cpp",
    "//llvm/test/Transforms/LowerTypeTests/aarch64-jumptable-dbg.ll",
    "//llvm/test/Transforms/LowerTypeTests/x86-jumptable-dbg.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": []
}