gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/lib/Lower/OpenMP/Atomic.cpp",
    "//flang/lib/Semantics/check-omp-atomic.cpp",
    "//flang/test/Fir/atomic-compare-capture.fir",
    "//flang/test/Integration/OpenMP/atomic-compare-capture.f90",
    "//flang/test/Integration/OpenMP/atomic-compare.f90",
    "//flang/test/Lower/OpenMP/Todo/atomic-compare-capture-result.f90",
    "//flang/test/Lower/OpenMP/Todo/atomic-compare-fail.f90",
    "//flang/test/Lower/OpenMP/atomic-compare-capture.f90",
    "//flang/test/Lower/OpenMP/atomic-compare-fail.f90",
    "//flang/test/Lower/OpenMP/atomic-compare.f90",
    "//flang/test/Parser/OpenMP/atomic-unparse.f90",
    "//flang/test/Semantics/OpenMP/atomic-compare-capture-fail.f90",
    "//flang/test/Semantics/OpenMP/atomic-compare.f90",
    "//mlir/include/mlir/Dialect/OpenACCMPCommon/Interfaces/AtomicInterfaces.td",
    "//mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td",
    "//mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp",
    "//mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp",
    "//mlir/test/Dialect/OpenMP/ops.mlir",
    "//mlir/test/Target/LLVMIR/openmp-atomic-compare-capture.mlir",
    "//mlir/test/Target/LLVMIR/openmp-llvm.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": []
}