dump_pass_re_(std::make_unique<RE2>(dump_pass_regex)),
        dump_func_re_(std::make_unique<RE2>(dump_func_regex)) {}

  DumpInstrumentation(const DumpInstrumentation& other) = delete;
  DumpInstrumentation& operator=(const DumpInstrumentation& other) = delete;

  void runBeforePass(mlir::Pass* pass, mlir::Operation* op) override {
    // Always print before the first pass.
    if (!printed_) {
      Dump("before_all", op);