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": [
    "//clang/include/clang/Driver/Options.td",
    "//clang/lib/Driver/ToolChains/Flang.cpp",
    "//clang/lib/Driver/ToolChains/Flang.h",
    "//flang/include/flang/Frontend/CodeGenOptions.def",
    "//flang/lib/Frontend/CompilerInvocation.cpp",
    "//flang/lib/Frontend/FrontendActions.cpp",
    "//flang/test/Driver/fatlto-err.f90",
    "//flang/test/Driver/lto-fatlto.f90",
    "//flang/test/Driver/lto-lld-flags.f90",
    "//llvm/docs/GettingStartedVS.rst",
    "//llvm/include/llvm/ADT/DenseMapInfo.h",
    "//llvm/include/llvm/ADT/PointerSumType.h",
    "//llvm/include/llvm/ADT/ilist_node_options.h",
    "//llvm/lib/IR/Metadata.cpp",
    "//llvm/unittests/CAS/ProgramTest.cpp",
    "//llvm/utils/gn/secondary/llvm/unittests/Transforms/Vectorize/BUILD.gn",
    "//mlir/include/mlir/Dialect/Vector/Transforms/LoweringPatterns.h",
    "//mlir/include/mlir/Dialect/Vector/Transforms/VectorRewritePatterns.h",
    "//mlir/lib/Conversion/GPUCommon/GPUToLLVMConversion.cpp",
    "//mlir/lib/Conversion/GPUToNVVM/LowerGpuOpsToNVVMOps.cpp",
    "//mlir/lib/Conversion/VectorToLLVM/ConvertVectorToLLVMPass.cpp",
    "//mlir/lib/Dialect/Vector/TransformOps/VectorTransformOps.cpp",
    "//mlir/lib/Dialect/Vector/Transforms/CMakeLists.txt",
    "//mlir/lib/Dialect/Vector/Transforms/LowerVectorFromElements.cpp",
    "//mlir/lib/Dialect/Vector/Transforms/LowerVectorToElements.cpp",
    "//mlir/lib/Dialect/Vector/Transforms/VectorUnroll.cpp",
    "//mlir/test/Conversion/ConvertToSPIRV/vector-unroll.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