gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/include/flang/Optimizer/CodeGen/CMakeLists.txt",
    "//flang/include/flang/Optimizer/Dialect/CMakeLists.txt",
    "//flang/include/flang/Optimizer/Dialect/FIRCG/CGOps.h",
    "//flang/include/flang/Optimizer/Dialect/FIRCG/CGOps.td",
    "//flang/include/flang/Optimizer/Dialect/FIRCG/CMakeLists.txt",
    "//flang/lib/Frontend/CMakeLists.txt",
    "//flang/lib/Optimizer/CodeGen/CMakeLists.txt",
    "//flang/lib/Optimizer/CodeGen/CodeGen.cpp",
    "//flang/lib/Optimizer/CodeGen/PreCGRewrite.cpp",
    "//flang/lib/Optimizer/Dialect/CMakeLists.txt",
    "//flang/lib/Optimizer/Dialect/FIRCG/CGOps.cpp",
    "//flang/lib/Optimizer/Dialect/FIRCG/CMakeLists.txt",
    "//flang/lib/Optimizer/OpenACC/CMakeLists.txt",
    "//flang/lib/Optimizer/OpenACC/FIROpenACCTypeInterfaces.cpp",
    "//flang/lib/Optimizer/Transforms/AddDebugInfo.cpp",
    "//flang/lib/Optimizer/Transforms/CMakeLists.txt",
    "//flang/lib/Optimizer/Transforms/DebugTypeGenerator.h",
    "//flang/tools/fir-opt/CMakeLists.txt",
    "//flang/tools/tco/CMakeLists.txt",
    "//flang/unittests/Optimizer/CMakeLists.txt"
  ],
  "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