[turbofan] Add new JSIntrinsicsLowering reducer.

src/compiler/js-intrinsic-lowering.h

Index: src/compiler/js-intrinsic-lowering.h
diff --git a/src/compiler/js-builtin-reducer.h b/src/compiler/js-intrinsic-lowering.h
similarity index 51%
copy from src/compiler/js-builtin-reducer.h
copy to src/compiler/js-intrinsic-lowering.h
index ac6f266eed5336685937e829fbef62dbd567066c..bc188caa0680015064c02812edb27b411facfa69 100644
--- a/src/compiler/js-builtin-reducer.h
+++ b/src/compiler/js-intrinsic-lowering.h
@@ -1,9 +1,9 @@
-// Copyright 2014 the V8 project authors. All rights reserved.
+// 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_JS_BUILTIN_REDUCER_H_
-#define V8_COMPILER_JS_BUILTIN_REDUCER_H_
+#ifndef V8_COMPILER_JS_INTRINSIC_LOWERING_H_
+#define V8_COMPILER_JS_INTRINSIC_LOWERING_H_
 
 #include "src/compiler/graph-reducer.h"
 #include "src/compiler/simplified-operator.h"
@@ -18,24 +18,25 @@ class JSGraph;
 class MachineOperatorBuilder;
 
 
-class JSBuiltinReducer FINAL : public Reducer {
+// Lowers certain JS-level runtime calls.
+class JSIntrinsicLowering FINAL : public Reducer {
  public:
-  explicit JSBuiltinReducer(JSGraph* jsgraph);
-  ~JSBuiltinReducer() FINAL {}
+  explicit JSIntrinsicLowering(JSGraph* jsgraph);
+  ~JSIntrinsicLowering() FINAL {}
 
   Reduction Reduce(Node* node) FINAL;
 
  private:
-  Reduction ReduceMathAbs(Node* node);
-  Reduction ReduceMathSqrt(Node* node);
-  Reduction ReduceMathMax(Node* node);
-  Reduction ReduceMathImul(Node* node);
-  Reduction ReduceMathFround(Node* node);
-  Reduction ReduceMathFloor(Node* node);
-  Reduction ReduceMathCeil(Node* node);
+  Reduction ReduceInlineIsSmi(Node* node);
+  Reduction ReduceInlineIsNonNegativeSmi(Node* node);
+  Reduction ReduceInlineIsInstanceType(Node* node, InstanceType instance_type);
+  Reduction ReduceInlineValueOf(Node* node);
+
+  Reduction Change(Node* node, const Operator* op);
+  Reduction Change(Node* node, const Operator* op, Node* a, Node* b, Node* c);
 
-  JSGraph* jsgraph() const { return jsgraph_; }
   Graph* graph() const;
+  JSGraph* jsgraph() const { return jsgraph_; }
   CommonOperatorBuilder* common() const;
   MachineOperatorBuilder* machine() const;
   SimplifiedOperatorBuilder* simplified() { return &simplified_; }
@@ -48,4 +49,4 @@ class JSBuiltinReducer FINAL : public Reducer {
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_COMPILER_JS_BUILTIN_REDUCER_H_
+#endif  // V8_COMPILER_JS_INTRINSIC_LOWERING_H_