gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/docs/OpenMPSupport.md",
    "//flang/lib/Lower/OpenMP/OpenMP.cpp",
    "//flang/test/Integration/OpenMP/allocate-clause-equivalence.f90",
    "//flang/test/Integration/OpenMP/scope-allocate-clause.f90",
    "//flang/test/Lower/OpenMP/Todo/allocate-clause-unsupported.f90",
    "//flang/test/Lower/OpenMP/Todo/scope-allocate-clause-unsupported.f90",
    "//flang/test/Lower/OpenMP/scope.f90",
    "//flang/test/Lower/OpenMP/target-scope.f90",
    "//mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp",
    "//mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp",
    "//mlir/test/Dialect/OpenMP/invalid.mlir",
    "//mlir/test/Dialect/OpenMP/ops.mlir",
    "//mlir/test/Target/LLVMIR/openmp-allocate-clause.mlir",
    "//mlir/test/Target/LLVMIR/openmp-scope-allocate-clause.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",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}