1 files changed, 23 insertions, 0 deletions
diff --git a/deps/v8/src/wasm/wasm-tier.h b/deps/v8/src/wasm/wasm-tier.h
new file mode 100644
index 00000000000..6445608193f
--- /dev/null
+++ b/deps/v8/src/wasm/wasm-tier.h
@@ -0,0 +1,23 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8_WASM_WASM_TIER_H_
+#define V8_WASM_WASM_TIER_H_
+
+namespace v8 {
+namespace internal {
+namespace wasm {
+
+// All the tiers of WASM execution.
+enum class ExecutionTier {
+  kInterpreter,  // interpreter (used to provide debugging services).
+  kBaseline,     // Liftoff.
+  kOptimized     // TurboFan.
+};
+
+}  // namespace wasm
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_WASM_WASM_TIER_H_