--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/Target/WebAssembly/WebAssemblyInstrCall.td	Tue Oct 13 17:48:58 2015 +0900
@@ -0,0 +1,46 @@
+//===- WebAssemblyInstrCall.td-WebAssembly Call codegen support -*- tablegen -*-
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief WebAssembly Call operand code-gen constructs.
+///
+//===----------------------------------------------------------------------===//
+
+// The call sequence start/end LLVM-isms isn't useful to WebAssembly since it's
+// a virtual ISA.
+let isCodeGenOnly = 1 in {
+def : I<(outs), (ins i64imm:$amt),
+        [(WebAssemblycallseq_start timm:$amt)]>;
+def : I<(outs), (ins i64imm:$amt1, i64imm:$amt2),
+        [(WebAssemblycallseq_end timm:$amt1, timm:$amt2)]>;
+} // isCodeGenOnly = 1
+
+multiclass CALL<WebAssemblyRegClass vt> {
+  def CALL_#vt : I<(outs vt:$dst), (ins global:$callee, variable_ops),
+                   [(set vt:$dst, (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee)))]>;
+  def CALL_INDIRECT_#vt : I<(outs vt:$dst), (ins I32:$callee, variable_ops),
+                            [(set vt:$dst, (WebAssemblycall1 I32:$callee))]>;
+}
+let Uses = [SP32, SP64], isCall = 1 in {
+  defm : CALL<I32>;
+  defm : CALL<I64>;
+  defm : CALL<F32>;
+  defm : CALL<F64>;
+
+  def CALL_VOID : I<(outs), (ins global:$callee, variable_ops),
+                    [(WebAssemblycall0 (WebAssemblywrapper tglobaladdr:$callee))]>;
+  def CALL_INDIRECT_VOID : I<(outs), (ins I32:$callee, variable_ops),
+                             [(WebAssemblycall0 I32:$callee)]>;
+} // Uses = [SP32,SP64], isCall = 1
+
+/*
+ * TODO(jfb): Add the following.
+ *
+ * addressof: obtain a function pointer value for a given function
+ */