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/CodeGen/AsmPrinter/DwarfDebug.cpp",
    "//llvm/test/CodeGen/X86/no-non-zero-debug-loc-prologue.ll",
    "//llvm/test/CodeGen/X86/pseudo_cmov_lower2.ll",
    "//llvm/test/DebugInfo/MIR/X86/dbg-prologue-backup-loc2.mir",
    "//llvm/test/DebugInfo/MIR/X86/empty-inline.mir",
    "//llvm/test/DebugInfo/X86/dbg-prolog-end-backup-loc.ll",
    "//llvm/test/DebugInfo/X86/dbg-prolog-end.ll",
    "//llvm/test/DebugInfo/X86/empty-line-info.ll",
    "//llvm/test/DebugInfo/X86/loop-align-debug.ll"
  ],
  "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": []
}