gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//clang/cmake/caches/PGO.cmake",
    "//clang/lib/CIR/CodeGen/CIRGenExprComplex.cpp",
    "//clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp",
    "//clang/test/CIR/CodeGen/complex-compound-assignment.cpp",
    "//clang/test/CIR/CodeGen/complex-mul-div.cpp",
    "//clang/test/CIR/CodeGen/local-vars.cpp",
    "//clang/test/CodeGen/X86/lzcnt-builtins.c",
    "//clang/test/CodeGen/X86/popcnt-builtins.c",
    "//compiler-rt/lib/asan/asan_allocator.cpp",
    "//compiler-rt/lib/msan/msan_allocator.cpp",
    "//compiler-rt/test/asan/TestCases/zero_alloc.cpp",
    "//compiler-rt/test/msan/zero_alloc.cpp",
    "//libcxx/docs/ReleaseNotes/22.rst",
    "//libcxx/include/map",
    "//libcxx/test/benchmarks/containers/associative/associative_container_benchmarks.h",
    "//llvm/utils/gn/secondary/libcxx/include/BUILD.gn",
    "//mlir/include/mlir/Conversion/PtrToLLVM/PtrToLLVM.h",
    "//mlir/lib/Conversion/CMakeLists.txt",
    "//mlir/lib/Conversion/PtrToLLVM/CMakeLists.txt",
    "//mlir/lib/Conversion/PtrToLLVM/PtrToLLVM.cpp",
    "//mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp",
    "//mlir/lib/RegisterAllExtensions.cpp",
    "//mlir/test/Conversion/PtrToLLVM/ptr-to-llvm.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": []
}
running all tests due to change to blacklisted file