gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//.clang-format",
    "//clang/.clang-format",
    "//clang/lib/CIR/CodeGen/CIRGenOpenACCRecipe.cpp",
    "//clang/lib/CIR/CodeGen/CIRGenOpenACCRecipe.h",
    "//clang/test/CIR/CodeGenOpenACC/combined-private-clause.cpp",
    "//clang/test/CIR/CodeGenOpenACC/compute-private-clause.c",
    "//clang/test/CIR/CodeGenOpenACC/compute-private-clause.cpp",
    "//clang/test/CIR/CodeGenOpenACC/loop-private-clause.cpp",
    "//clang/test/CIR/CodeGenOpenACC/private-clause-array-recipes-CtorDtor.cpp",
    "//clang/test/CIR/CodeGenOpenACC/private-clause-array-recipes-NoOps.cpp",
    "//clang/test/CIR/CodeGenOpenACC/private-clause-array-recipes-int.cpp",
    "//clang/test/CIR/CodeGenOpenACC/private-clause-pointer-array-recipes-CtorDtor.cpp",
    "//clang/test/CIR/CodeGenOpenACC/private-clause-pointer-array-recipes-NoOps.cpp",
    "//clang/test/CIR/CodeGenOpenACC/private-clause-pointer-array-recipes-int.cpp",
    "//clang/test/CIR/CodeGenOpenACC/private-clause-pointer-recipes-CtorDtor.cpp",
    "//clang/test/CIR/CodeGenOpenACC/private-clause-pointer-recipes-NoOps.cpp",
    "//clang/test/CIR/CodeGenOpenACC/private-clause-pointer-recipes-int.cpp",
    "//lldb/test/API/lang/cpp/expr-definition-in-dylib/TestExprDefinitionInDylib.py",
    "//llvm/.clang-format",
    "//mlir/.clang-format"
  ],
  "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