[turbofan] Remove GenericAlgorithm from verifier and graph replay.

src/compiler/all-nodes.h

+// Copyright 2015 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.
+
+#ifndef V8_COMPILER_ALL_NODES_H_
+#define V8_COMPILER_ALL_NODES_H_
+
+#include "src/compiler/graph.h"
+#include "src/compiler/node.h"
+#include "src/v8.h"
+#include "src/zone-containers.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+// A helper utility that traverses the graph and gathers all nodes reachable
+// from end.
+class AllNodes {

[Michael Starzinger, 2015/01/26 17:16:56]

I think this class should live in the graph.h file. WDYT?

+ public:
+  // Constructor. Traverses the graph and builds the {live} and {gray} sets.
+  AllNodes(Zone* local_zone, const Graph* graph);
+
+  bool IsLive(Node* node) {
+    return node != nullptr && node->id() < static_cast<int>(state.size()) &&
+           state[node->id()] == kLive;
+  }
+
+  NodeVector live;  // Nodes reachable from end.
+  NodeVector gray;  // Nodes themselves not reachable from end, but that
+                    // appear in use lists of live nodes.
+
+ private:
+  enum State { kDead, kGray, kLive };
+
+  ZoneVector<State> state;
+};
+}
+}
+}  // namespace v8::internal::compiler
+
+#endif  // V8_COMPILER_ALL_NODES_H_