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/utils/TableGen/NeonEmitter.cpp",
    "//llvm/lib/CodeGen/AssignmentTrackingAnalysis.cpp",
    "//llvm/lib/CodeGen/GlobalISel/Utils.cpp",
    "//llvm/lib/IR/DIBuilder.cpp",
    "//llvm/lib/IR/DebugInfo.cpp",
    "//llvm/lib/IR/Metadata.cpp",
    "//llvm/lib/SandboxIR/Tracker.cpp",
    "//llvm/lib/Target/AArch64/GISel/AArch64CallLowering.cpp",
    "//llvm/lib/Target/AArch64/GISel/AArch64GlobalISelUtils.cpp",
    "//llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp",
    "//llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp",
    "//llvm/lib/Target/AArch64/GISel/AArch64O0PreLegalizerCombiner.cpp",
    "//llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerLowering.cpp",
    "//llvm/lib/Target/AArch64/GISel/AArch64PreLegalizerCombiner.cpp",
    "//llvm/lib/Target/AArch64/GISel/AArch64RegisterBankInfo.cpp",
    "//llvm/lib/Transforms/Scalar/SROA.cpp",
    "//llvm/lib/Transforms/Utils/Local.cpp",
    "//llvm/lib/Transforms/Vectorize/VPlanUnroll.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": []
}