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",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/MC/ELFObjectWriter.cpp",
    "//llvm/lib/Target/AArch64/MCTargetDesc/AArch64ELFObjectWriter.cpp",
    "//llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUELFObjectWriter.cpp",
    "//llvm/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp",
    "//llvm/lib/Target/AVR/MCTargetDesc/AVRELFObjectWriter.cpp",
    "//llvm/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp",
    "//llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFObjectWriter.cpp",
    "//llvm/lib/Target/RISCV/MCTargetDesc/RISCVELFObjectWriter.cpp",
    "//llvm/lib/Target/Sparc/MCTargetDesc/SparcELFObjectWriter.cpp",
    "//llvm/lib/Target/SystemZ/MCTargetDesc/SystemZELFObjectWriter.cpp",
    "//llvm/lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp"
  ],
  "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": []
}