gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//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"
  ]
}
gn analyze input:
{
  "files": [
    "//flang/lib/Lower/OpenMP/OpenMP.cpp",
    "//flang/lib/Semantics/check-omp-structure.cpp",
    "//flang/test/Lower/OpenMP/interop.f90",
    "//flang/test/Parser/OpenMP/interop-construct.f90",
    "//flang/test/Semantics/OpenMP/init-clause.f90",
    "//flang/test/Semantics/OpenMP/interop-construct.f90",
    "//llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp",
    "//llvm/lib/Transforms/Vectorize/VPlanUtils.cpp",
    "//llvm/test/Transforms/LoopVectorize/X86/CostModel/store-scalarization-cost.ll",
    "//llvm/test/Transforms/LoopVectorize/X86/replicating-load-store-costs.ll"
  ],
  "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": []
}