[turbofan] Strength reduction for inline comparisons.

src/compiler/node-matchers.h

 // 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.
 
 #ifndef V8_COMPILER_NODE_MATCHERS_H_
 #define V8_COMPILER_NODE_MATCHERS_H_
 
 #include <cmath>
 
 #include "src/compiler/node.h"
@@ skipping 10 matching lines @@
 
   Node* node() const { return node_; }
   const Operator* op() const { return node()->op(); }
   IrOpcode::Value opcode() const { return node()->opcode(); }
 
   bool HasProperty(Operator::Property property) const {
     return op()->HasProperty(property);
   }
   Node* InputAt(int index) const { return node()->InputAt(index); }
 
+  bool IsComparison() const;
+
 #define DEFINE_IS_OPCODE(Opcode) \
   bool Is##Opcode() const { return opcode() == IrOpcode::k##Opcode; }
   ALL_OP_LIST(DEFINE_IS_OPCODE)
 #undef DEFINE_IS_OPCODE
 
  private:
   Node* node_;
 };
 
 
@@ skipping 468 matching lines @@
 typedef BaseWithIndexAndDisplacementMatcher<Int32AddMatcher>
     BaseWithIndexAndDisplacement32Matcher;
 typedef BaseWithIndexAndDisplacementMatcher<Int64AddMatcher>
     BaseWithIndexAndDisplacement64Matcher;
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_NODE_MATCHERS_H_