Index: llvm/trunk/include/llvm/IR/Intrinsics.td
===================================================================
--- llvm/trunk/include/llvm/IR/Intrinsics.td
+++ llvm/trunk/include/llvm/IR/Intrinsics.td
@@ -646,3 +646,4 @@
 include "llvm/IR/IntrinsicsAMDGPU.td"
 include "llvm/IR/IntrinsicsBPF.td"
 include "llvm/IR/IntrinsicsSystemZ.td"
+include "llvm/IR/IntrinsicsWebAssembly.td"
Index: llvm/trunk/include/llvm/IR/IntrinsicsWebAssembly.td
===================================================================
--- llvm/trunk/include/llvm/IR/IntrinsicsWebAssembly.td
+++ llvm/trunk/include/llvm/IR/IntrinsicsWebAssembly.td
@@ -0,0 +1,16 @@
+//===- IntrinsicsWebAssembly.td - Defines wasm intrinsics --*- tablegen -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief This file defines all of the WebAssembly-specific intrinsics.
+///
+//===----------------------------------------------------------------------===//
+
+let TargetPrefix = "wasm" in {  // All intrinsics start with "llvm.wasm.".
+}