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/IR/GCStrategy.cpp",
    "//llvm/test/Transforms/RewriteStatepointsForGC/unsupported-gc-error.ll",
    "//mlir/include/mlir/Tools/mlir-opt/MlirOptMain.h",
    "//mlir/lib/Debug/CLOptionsSetup.cpp",
    "//mlir/lib/Dialect/AMDGPU/IR/CMakeLists.txt",
    "//mlir/lib/Tools/mlir-opt/MlirOptMain.cpp",
    "//mlir/test/mlir-opt/debuggerhook.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": []
}