[turbofan] Introduce DeadValue and DeadEffect operators.

src/compiler/js-inlining.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/js-inlining.h"
 
 #include "src/ast.h"
 #include "src/ast-numbering.h"
 #include "src/compiler/all-nodes.h"
 #include "src/compiler/ast-graph-builder.h"
@@ skipping 44 matching lines @@
   Node* frame_state() { return NodeProperties::GetFrameStateInput(call_, 0); }
 
  private:
   Node* call_;
 };
 
 
 class CopyVisitor {
  public:
   CopyVisitor(Graph* source_graph, Graph* target_graph, Zone* temp_zone)
-      : sentinel_op_(IrOpcode::kDead, Operator::kNoProperties, "Sentinel", 0, 0,
-                     0, 0, 0, 0),
+      : sentinel_op_(IrOpcode::kDeadControl, Operator::kNoProperties,
+                     "Sentinel", 0, 0, 0, 0, 0, 0),
         sentinel_(target_graph->NewNode(&sentinel_op_)),
         copies_(source_graph->NodeCount(), sentinel_, temp_zone),
         source_graph_(source_graph),
         target_graph_(target_graph),
         temp_zone_(temp_zone) {}
 
   Node* GetCopy(Node* orig) { return copies_[orig->id()]; }
 
   void CopyGraph() {
     NodeVector inputs(temp_zone_);
@@ skipping 227 matching lines @@
 
   // Remember that we inlined this function.
   info_->AddInlinedFunction(info.shared_info());
 
   return InlineCall(node, frame_state, start, end);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8