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/Target/X86/X86ISelLowering.cpp",
    "//llvm/test/CodeGen/X86/any_extend_vector_inreg_of_broadcast.ll",
    "//llvm/test/CodeGen/X86/subvector-broadcast.ll",
    "//llvm/test/CodeGen/X86/vector-interleaved-load-i32-stride-6.ll",
    "//llvm/test/CodeGen/X86/vector-interleaved-load-i64-stride-3.ll",
    "//llvm/test/CodeGen/X86/vector-interleaved-load-i64-stride-5.ll",
    "//llvm/test/CodeGen/X86/vector-interleaved-load-i64-stride-7.ll",
    "//llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll",
    "//llvm/test/CodeGen/X86/vector-shuffle-512-v8.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": []
}