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/Analysis/InstructionSimplify.cpp",
    "//llvm/lib/IR/Constants.cpp",
    "//llvm/lib/Target/X86/X86ISelLowering.cpp",
    "//llvm/test/CodeGen/X86/replace-load-and-with-bzhi.ll",
    "//llvm/test/Transforms/GVN/constexpr-vector-constainsundef-crash-inseltpoison.ll",
    "//llvm/test/Transforms/GVN/constexpr-vector-constainsundef-crash.ll",
    "//llvm/test/Transforms/InstSimplify/ConstProp/cast-vector.ll",
    "//llvm/test/Transforms/InstSimplify/ConstProp/icmp-global.ll",
    "//llvm/test/Transforms/InstSimplify/gep.ll",
    "//llvm/test/Transforms/InstSimplify/vector_gep.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": []
}