gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd"
  ]
}
gn analyze input:
{
  "files": [
    "//clang-tools-extra/clangd/InlayHints.cpp",
    "//clang-tools-extra/clangd/unittests/InlayHintTests.cpp",
    "//libcxx/test/std/utilities/charconv/charconv.msvc/test.pass.cpp",
    "//llvm/test/CodeGen/SystemZ/vector-constrained-fp-intrinsics.ll",
    "//mlir/include/mlir/Query/QuerySession.h"
  ],
  "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": []
}