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": [
    "//clang/lib/Driver/ToolChains/Clang.cpp",
    "//llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp",
    "//llvm/lib/Target/AArch64/AArch64ISelLowering.cpp",
    "//llvm/lib/Target/AMDGPU/SIWholeQuadMode.cpp",
    "//llvm/test/CodeGen/AArch64/GlobalISel/aapcs_vararg_frame.ll",
    "//llvm/test/CodeGen/AArch64/alloca.ll",
    "//llvm/test/CodeGen/AArch64/darwinpcs-tail.ll",
    "//llvm/test/CodeGen/AArch64/vararg-tallcall.ll",
    "//llvm/test/CodeGen/AMDGPU/kill-true-in-return-block.ll",
    "//llvm/test/CodeGen/AMDGPU/skip-if-dead.ll",
    "//llvm/test/CodeGen/AMDGPU/wqm.ll",
    "//llvm/utils/gn/secondary/bolt/lib/Passes/BUILD.gn",
    "//llvm/utils/gn/secondary/clang/lib/CodeGen/BUILD.gn",
    "//llvm/utils/gn/secondary/libcxx/include/BUILD.gn",
    "//llvm/utils/gn/secondary/lldb/tools/lldb-dap/BUILD.gn",
    "//llvm/utils/gn/secondary/llvm/lib/Target/SystemZ/MCTargetDesc/BUILD.gn",
    "//mlir/test/Target/LLVMIR/omptarget-depend.mlir"
  ],
  "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": []
}