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": [
    "//flang/lib/Lower/OpenMP/OpenMP.cpp",
    "//flang/test/Lower/OpenMP/order-clause.f90",
    "//flang/test/Lower/OpenMP/parallel-private-clause.f90",
    "//flang/test/Lower/OpenMP/simd.f90",
    "//llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp",
    "//mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp",
    "//mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp",
    "//mlir/test/Target/LLVMIR/openmp-simd-private.mlir",
    "//mlir/test/Target/LLVMIR/openmp-todo.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": []
}