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",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Transforms/Utils/LowerMemIntrinsics.cpp",
    "//llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.memcpy.ll",
    "//llvm/test/CodeGen/AMDGPU/buffer-fat-pointers-memcpy.ll",
    "//llvm/test/CodeGen/AMDGPU/lower-buffer-fat-pointers-mem-transfer.ll",
    "//llvm/test/CodeGen/AMDGPU/lower-mem-intrinsics.ll",
    "//llvm/test/CodeGen/AMDGPU/memcpy-crash-issue63986.ll",
    "//llvm/test/CodeGen/AMDGPU/memintrinsic-unroll.ll",
    "//llvm/test/CodeGen/AMDGPU/memmove-var-size.ll",
    "//llvm/test/CodeGen/NVPTX/lower-aggr-copies.ll",
    "//llvm/unittests/Transforms/Utils/MemTransferLowering.cpp"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}