Add Terminate operator.

src/compiler/common-operator.cc

 // Copyright 2014 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.
 
 #include "src/compiler/common-operator.h"
 
 #include "src/assembler.h"
 #include "src/base/lazy-instance.h"
 #include "src/compiler/linkage.h"
 #include "src/unique.h"
@@ skipping 137 matching lines @@
                                       0, controls, "Merge");
 }
 
 
 const Operator* CommonOperatorBuilder::Loop(int controls) {
   return new (zone()) ControlOperator(IrOpcode::kLoop, Operator::kFoldable, 0,
                                       0, controls, "Loop");
 }
 
 
+const Operator* CommonOperatorBuilder::Terminate(int effects) {

[Michael Starzinger, 2014/10/22 17:07:26]

nit: Can we drop the "effects" argument?

+  return new (zone()) ControlOperator(
+      IrOpcode::kTerminate, Operator::kNoProperties, 0, 0, 1, "Terminate");
+}
+
+
 const Operator* CommonOperatorBuilder::Parameter(int index) {
   return new (zone()) Operator1<int>(IrOpcode::kParameter, Operator::kPure, 1,
                                      1, "Parameter", index);
 }
 
 
 const Operator* CommonOperatorBuilder::Int32Constant(int32_t value) {
   return new (zone()) Operator1<int32_t>(
       IrOpcode::kInt32Constant, Operator::kPure, 0, 1, "Int32Constant", value);
 }
@@ skipping 109 matching lines @@
 
 
 const Operator* CommonOperatorBuilder::Projection(size_t index) {
   return new (zone()) Operator1<size_t>(IrOpcode::kProjection, Operator::kPure,
                                         1, 1, "Projection", index);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8