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/X86FixupInstTuning.cpp",
    "//llvm/lib/Target/X86/X86ISelLowering.cpp",
    "//llvm/test/CodeGen/X86/combine-add.ll",
    "//llvm/test/CodeGen/X86/combine-mul.ll",
    "//llvm/test/CodeGen/X86/combine-sdiv.ll",
    "//llvm/test/CodeGen/X86/known-signbits-shl.ll",
    "//llvm/test/CodeGen/X86/masked_gather_scatter.ll",
    "//llvm/test/CodeGen/X86/oddsubvector.ll",
    "//llvm/test/CodeGen/X86/pr62286.ll",
    "//llvm/test/CodeGen/X86/pr74736.ll",
    "//llvm/test/CodeGen/X86/shift-i512.ll",
    "//llvm/test/CodeGen/X86/sse2-intrinsics-fast-isel.ll",
    "//llvm/test/CodeGen/X86/vec_shift6.ll",
    "//llvm/test/CodeGen/X86/vector-gep.ll",
    "//llvm/test/CodeGen/X86/vector-idiv-udiv-128.ll",
    "//llvm/test/CodeGen/X86/vector-idiv-udiv-256.ll",
    "//llvm/test/CodeGen/X86/vector-idiv-udiv-512.ll",
    "//llvm/test/CodeGen/X86/vector-mul.ll",
    "//llvm/test/CodeGen/X86/vector-reduce-or-cmp.ll",
    "//llvm/test/CodeGen/X86/vector-shift-shl-128.ll",
    "//llvm/test/CodeGen/X86/vector-shuffle-combining.ll",
    "//llvm/test/CodeGen/X86/vector_splat-const-shift-of-constmasked.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": []
}