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": [
    "//clang/lib/AST/ByteCode/Compiler.cpp",
    "//clang/lib/AST/ByteCode/InterpBuiltin.cpp",
    "//clang/test/AST/ByteCode/builtin-functions.cpp",
    "//llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp",
    "//llvm/lib/CodeGen/TargetLoweringBase.cpp",
    "//llvm/lib/Target/AArch64/AArch64ISelLowering.cpp",
    "//llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp",
    "//llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp",
    "//llvm/lib/Target/Mips/MipsISelLowering.cpp",
    "//llvm/lib/Target/PowerPC/PPCISelLowering.cpp",
    "//llvm/test/CodeGen/SystemZ/canonicalize-vars.ll",
    "//llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-f64-agent.ll",
    "//llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-f64-system.ll",
    "//llvm/utils/TableGen/Common/CodeGenRegisters.cpp"
  ],
  "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": []
}