gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Target/ARC/ARCISelLowering.cpp",
    "//llvm/lib/Target/ARC/ARCTargetMachine.cpp",
    "//llvm/lib/Target/BPF/BPFISelLowering.cpp",
    "//llvm/lib/Target/BPF/BPFTargetMachine.cpp",
    "//llvm/lib/Target/Lanai/LanaiISelLowering.cpp",
    "//llvm/lib/Target/Lanai/LanaiTargetMachine.cpp",
    "//llvm/lib/Target/MSP430/MSP430ISelLowering.cpp",
    "//llvm/lib/Target/MSP430/MSP430TargetMachine.cpp",
    "//llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp",
    "//llvm/test/CodeGen/ARC/atomic-oversize.ll",
    "//llvm/test/CodeGen/BPF/atomic-oversize.ll",
    "//llvm/test/CodeGen/Lanai/atomic-oversize.ll",
    "//llvm/test/CodeGen/MSP430/atomic-oversize.ll",
    "//llvm/test/CodeGen/NVPTX/atomicrmw-expand.ll"
  ],
  "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": []
}