Revert of [builtins] Refactor the remaining Date builtins.

src/crankshaft/hydrogen-instructions.h

 // Copyright 2012 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_CRANKSHAFT_HYDROGEN_INSTRUCTIONS_H_
 #define V8_CRANKSHAFT_HYDROGEN_INSTRUCTIONS_H_
 
 #include <cstring>
 #include <iosfwd>
 
@@ skipping 67 matching lines @@
   V(ClassOfTestAndBranch)                     \
   V(CompareNumericAndBranch)                  \
   V(CompareHoleAndBranch)                     \
   V(CompareGeneric)                           \
   V(CompareMinusZeroAndBranch)                \
   V(CompareObjectEqAndBranch)                 \
   V(CompareMap)                               \
   V(Constant)                                 \
   V(ConstructDouble)                          \
   V(Context)                                  \
+  V(DateField)                                \
   V(DebugBreak)                               \
   V(DeclareGlobals)                           \
   V(Deoptimize)                               \
   V(Div)                                      \
   V(DoubleBits)                               \
   V(DummyUse)                                 \
   V(EnterInlined)                             \
   V(EnvironmentMarker)                        \
   V(ForceRepresentation)                      \
   V(ForInCacheArray)                          \
@@ skipping 7426 matching lines @@
 #ifdef DEBUG
     const Runtime::Function* function = HCallRuntime::cast(value)->function();
     DCHECK(function->function_id == Runtime::kCreateObjectLiteral);
 #endif
   }
 
   bool IsDeletable() const override { return true; }
 };
 
 
+class HDateField final : public HUnaryOperation {
+ public:
+  DECLARE_INSTRUCTION_FACTORY_P2(HDateField, HValue*, Smi*);
+
+  Smi* index() const { return index_; }
+
+  Representation RequiredInputRepresentation(int index) override {
+    return Representation::Tagged();
+  }
+
+  DECLARE_CONCRETE_INSTRUCTION(DateField)
+
+ private:
+  HDateField(HValue* date, Smi* index)
+      : HUnaryOperation(date), index_(index) {
+    set_representation(Representation::Tagged());
+  }
+
+  Smi* index_;
+};
+
+
 class HSeqStringGetChar final : public HTemplateInstruction<2> {
  public:
   static HInstruction* New(Isolate* isolate, Zone* zone, HValue* context,
                            String::Encoding encoding, HValue* string,
                            HValue* index);
 
   Representation RequiredInputRepresentation(int index) override {
     return (index == 0) ? Representation::Tagged()
                         : Representation::Integer32();
   }
@@ skipping 265 matching lines @@
 
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_HYDROGEN_INSTRUCTIONS_H_