[turbofan] Various cleanups.

src/compiler/js-builtin-reducer.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/diamond.h"
 #include "src/compiler/graph-inl.h"
 #include "src/compiler/js-builtin-reducer.h"
+#include "src/compiler/js-graph.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties-inl.h"
 #include "src/types.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 
 // Helper method that assumes replacement nodes are pure values that don't
@@ skipping 71 matching lines @@
     DCHECK_LT(index, GetJSCallArity());
     // Skip first (i.e. callee) and second (i.e. receiver) operand.
     return NodeProperties::GetValueInput(node_, index + 2);
   }
 
  private:
   Node* node_;
 };
 
 
+JSBuiltinReducer::JSBuiltinReducer(JSGraph* jsgraph)
+    : jsgraph_(jsgraph), simplified_(jsgraph->zone()) {}
+
+
 // ECMA-262, section 15.8.2.1.
 Reduction JSBuiltinReducer::ReduceMathAbs(Node* node) {
   JSCallReduction r(node);
   if (r.InputsMatchOne(Type::Unsigned32())) {
     // Math.abs(a:uint32) -> a
     return Replace(r.left());
   }
   if (r.InputsMatchOne(Type::Number())) {
     // Math.abs(a:number) -> (a > 0 ? a : 0 - a)
     Node* const value = r.left();
@@ skipping 116 matching lines @@
     case kMathFloor:
       return ReplaceWithPureReduction(node, ReduceMathFloor(node));
     case kMathCeil:
       return ReplaceWithPureReduction(node, ReduceMathCeil(node));
     default:
       break;
   }
   return NoChange();
 }
 
+
+Graph* JSBuiltinReducer::graph() const { return jsgraph()->graph(); }
+
+
+CommonOperatorBuilder* JSBuiltinReducer::common() const {
+  return jsgraph()->common();
+}
+
+
+MachineOperatorBuilder* JSBuiltinReducer::machine() const {
+  return jsgraph()->machine();
+}
+
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8