Revert of [builtins] Refactor the remaining Date builtins.

src/crankshaft/hydrogen-instructions.h

Index: src/crankshaft/hydrogen-instructions.h
diff --git a/src/crankshaft/hydrogen-instructions.h b/src/crankshaft/hydrogen-instructions.h
index 13ada8c606cfa7a79384bb2c7dfbb8bddfa442fa..44dcea0e39eec0f5c3eab5b37562506fbd4bedd4 100644
--- a/src/crankshaft/hydrogen-instructions.h
+++ b/src/crankshaft/hydrogen-instructions.h
@@ -85,6 +85,7 @@
   V(Constant)                                 \
   V(ConstructDouble)                          \
   V(Context)                                  \
+  V(DateField)                                \
   V(DebugBreak)                               \
   V(DeclareGlobals)                           \
   V(Deoptimize)                               \
@@ -7531,6 +7532,28 @@
 };
 
 
+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,