Add Terminate operator.

src/compiler/instruction-selector.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/instruction-selector.h"
 
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties-inl.h"
 #include "src/compiler/pipeline.h"
@@ skipping 439 matching lines @@
   DCHECK_NOT_NULL(schedule()->block(node));  // should only use scheduled nodes.
   switch (node->opcode()) {
     case IrOpcode::kStart:
     case IrOpcode::kLoop:
     case IrOpcode::kEnd:
     case IrOpcode::kBranch:
     case IrOpcode::kIfTrue:
     case IrOpcode::kIfFalse:
     case IrOpcode::kEffectPhi:
     case IrOpcode::kMerge:
+    case IrOpcode::kTerminate:
       // No code needed for these graph artifacts.
       return kMachNone;
     case IrOpcode::kFinish:
       return kMachAnyTagged;
     case IrOpcode::kParameter:
       return linkage()->GetParameterType(OpParameter<int>(node));
     case IrOpcode::kPhi:
       return OpParameter<MachineType>(node);
     case IrOpcode::kProjection:
       // TODO(jarin) Really project from outputs.
@@ skipping 569 matching lines @@
 void InstructionSelector::VisitBranch(Node* branch, BasicBlock* tbranch,
                                       BasicBlock* fbranch) {
   UNIMPLEMENTED();
 }
 
 #endif  // !V8_TURBOFAN_BACKEND
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8