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/SelectionDAG/DAGCombiner.cpp",
    "//llvm/test/CodeGen/AMDGPU/load-select-ptr.ll",
    "//llvm/test/CodeGen/AMDGPU/select-load-to-load-select-ptr-combine.ll",
    "//llvm/test/CodeGen/AMDGPU/select-vectors.ll",
    "//llvm/test/CodeGen/AMDGPU/select64.ll",
    "//llvm/test/CodeGen/NVPTX/bf16-instructions.ll",
    "//llvm/test/CodeGen/NVPTX/bf16x2-instructions.ll",
    "//llvm/test/CodeGen/NVPTX/bug22246.ll",
    "//llvm/test/CodeGen/NVPTX/fast-math.ll",
    "//llvm/test/CodeGen/NVPTX/i1-select.ll",
    "//llvm/test/CodeGen/NVPTX/i8x4-instructions.ll",
    "//llvm/test/CodeGen/NVPTX/lower-byval-args.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": []
}