[turbofan] Strength reduction for inline comparisons.

src/compiler/node-matchers.cc

+// 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.
+
+#include "src/compiler/node-matchers.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+bool NodeMatcher::IsComparison() const {
+  return IrOpcode::IsComparisonOpcode(opcode());
+}
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8