[WIP] Typ aided removal of redundant modulus.

src/compiler/js-typed-lowering.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_JS_TYPED_LOWERING_H_
 #define V8_COMPILER_JS_TYPED_LOWERING_H_
 
 #include "src/compiler/graph-reducer.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 17 matching lines @@
   Zone* zone() { return jsgraph_->zone(); }
 
  private:
   friend class JSBinopReduction;
 
   Reduction ReplaceEagerly(Node* old, Node* node);
   Reduction ReplaceWith(Node* node) { return Reducer::Replace(node); }
   Reduction ReduceJSAdd(Node* node);
   Reduction ReduceJSBitwiseOr(Node* node);
   Reduction ReduceJSMultiply(Node* node);
+  Reduction ReduceJSModulus(Node* node);
   Reduction ReduceJSComparison(Node* node);
   Reduction ReduceJSLoadProperty(Node* node);
   Reduction ReduceJSStoreProperty(Node* node);
   Reduction ReduceJSEqual(Node* node, bool invert);
   Reduction ReduceJSStrictEqual(Node* node, bool invert);
   Reduction ReduceJSToNumberInput(Node* input);
   Reduction ReduceJSToStringInput(Node* input);
   Reduction ReduceJSToBooleanInput(Node* input);
   Reduction ReduceJSToBoolean(Node* node);
   Reduction ReduceNumberBinop(Node* node, const Operator* numberOp);
@@ skipping 12 matching lines @@
   Type* zero_range_;
   Type* one_range_;
   Type* zero_thirtyone_range_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_TYPED_LOWERING_H_