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/CMakeLists.txt",
    "//llvm/cmake/modules/CrossCompile.cmake",
    "//llvm/include/llvm/Support/SourceMgr.h",
    "//llvm/lib/MC/MCParser/AsmParser.cpp",
    "//llvm/lib/MC/MCParser/MasmParser.cpp",
    "//llvm/lib/Support/SourceMgr.cpp",
    "//llvm/runtimes/CMakeLists.txt",
    "//llvm/test/MC/AsmParser/macro-like-diagnostic.s",
    "//llvm/test/tools/llvm-ml/macro_diagnostic.asm",
    "//offload/CMakeLists.txt",
    "//offload/test/lit.cfg",
    "//offload/test/lit.site.cfg.in"
  ],
  "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": []
}
running all tests due to change to blacklisted file