--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/benchmarks/DummyYAML.cpp	Wed Aug 14 19:46:37 2019 +0900
@@ -0,0 +1,13 @@
+#include "benchmark/benchmark.h"
+#include "llvm/Support/YAMLTraits.h"
+
+static void BM_YAMLDummyIsNumeric(benchmark::State& state) {
+  std::string x = "hello";
+  for (auto _ : state) {
+    std::string copy(x);
+    llvm::yaml::isNumeric(copy);
+  }
+}
+BENCHMARK(BM_YAMLDummyIsNumeric);
+
+BENCHMARK_MAIN();