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/Semantics/check-cuda.cpp",
    "//flang/lib/Semantics/resolve-names.cpp",
    "//flang/test/Semantics/cuf-device-procedures02.cuf",
    "//flang/test/Semantics/cuf09.cuf",
    "//llvm/lib/Transforms/Vectorize/LoopVectorize.cpp",
    "//llvm/test/Transforms/LoopVectorize/AArch64/i1-reg-usage.ll",
    "//llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product.ll",
    "//llvm/test/Transforms/LoopVectorize/AArch64/reg-usage.ll",
    "//llvm/test/Transforms/LoopVectorize/LoongArch/reg-usage.ll",
    "//llvm/test/Transforms/LoopVectorize/PowerPC/exit-branch-cost.ll",
    "//llvm/test/Transforms/LoopVectorize/PowerPC/large-loop-rdx.ll",
    "//llvm/test/Transforms/LoopVectorize/PowerPC/reg-usage.ll",
    "//llvm/test/Transforms/LoopVectorize/RISCV/reg-usage-bf16.ll",
    "//llvm/test/Transforms/LoopVectorize/RISCV/reg-usage-f16.ll",
    "//llvm/test/Transforms/LoopVectorize/RISCV/reg-usage.ll",
    "//llvm/test/Transforms/LoopVectorize/RISCV/riscv-vector-reverse.ll",
    "//llvm/test/Transforms/LoopVectorize/X86/i1-reg-usage.ll",
    "//llvm/test/Transforms/LoopVectorize/X86/pr47437.ll",
    "//llvm/test/Transforms/LoopVectorize/X86/reg-usage.ll",
    "//llvm/utils/gn/secondary/llvm/tools/dsymutil/BUILD.gn"
  ],
  "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": []
}