[builtins] Refactor the remaining Date builtins.

src/compiler/js-intrinsic-lowering.cc

Index: src/compiler/js-intrinsic-lowering.cc
diff --git a/src/compiler/js-intrinsic-lowering.cc b/src/compiler/js-intrinsic-lowering.cc
index 1ae45ea775c6b62db50fb5f673298ca5db285b01..ca5cb932b4bd7606521b32ae63c7c8076779d74f 100644
--- a/src/compiler/js-intrinsic-lowering.cc
+++ b/src/compiler/js-intrinsic-lowering.cc
@@ -39,8 +39,6 @@ Reduction JSIntrinsicLowering::Reduce(Node* node) {
       return ReduceConstructDouble(node);
     case Runtime::kInlineCreateIterResultObject:
       return ReduceCreateIterResultObject(node);
-    case Runtime::kInlineDateField:
-      return ReduceDateField(node);
     case Runtime::kInlineDeoptimizeNow:
       return ReduceDeoptimizeNow(node);
     case Runtime::kInlineDoubleHi:
@@ -103,8 +101,6 @@ Reduction JSIntrinsicLowering::Reduce(Node* node) {
       return ReduceToPrimitive(node);
     case Runtime::kInlineToString:
       return ReduceToString(node);
-    case Runtime::kInlineThrowNotDateError:
-      return ReduceThrowNotDateError(node);
     case Runtime::kInlineCall:
       return ReduceCall(node);
     case Runtime::kInlineTailCall:
@@ -141,24 +137,6 @@ Reduction JSIntrinsicLowering::ReduceConstructDouble(Node* node) {
 }
 
 
-Reduction JSIntrinsicLowering::ReduceDateField(Node* node) {
-  Node* const value = NodeProperties::GetValueInput(node, 0);
-  Node* const index = NodeProperties::GetValueInput(node, 1);
-  Node* const effect = NodeProperties::GetEffectInput(node);
-  Node* const control = NodeProperties::GetControlInput(node);
-  NumberMatcher mindex(index);
-  if (mindex.Is(JSDate::kDateValue)) {
-    return Change(
-        node,
-        simplified()->LoadField(AccessBuilder::ForJSDateField(
-            static_cast<JSDate::FieldIndex>(static_cast<int>(mindex.Value())))),
-        value, effect, control);
-  }
-  // TODO(turbofan): Optimize more patterns.
-  return NoChange();
-}
-
-
 Reduction JSIntrinsicLowering::ReduceDeoptimizeNow(Node* node) {
   if (mode() != kDeoptimizationEnabled) return NoChange();
   Node* const frame_state = NodeProperties::GetFrameStateInput(node, 0);
@@ -527,24 +505,6 @@ Reduction JSIntrinsicLowering::ReduceSubString(Node* node) {
 }
 
 
-Reduction JSIntrinsicLowering::ReduceThrowNotDateError(Node* node) {
-  if (mode() != kDeoptimizationEnabled) return NoChange();
-  Node* const frame_state = NodeProperties::GetFrameStateInput(node, 1);
-  Node* const effect = NodeProperties::GetEffectInput(node);
-  Node* const control = NodeProperties::GetControlInput(node);
-
-  // TODO(bmeurer): Move MergeControlToEnd() to the AdvancedReducer.
-  Node* deoptimize =
-      graph()->NewNode(common()->Deoptimize(DeoptimizeKind::kEager),
-                       frame_state, effect, control);
-  NodeProperties::MergeControlToEnd(graph(), common(), deoptimize);
-
-  node->TrimInputCount(0);
-  NodeProperties::ChangeOp(node, common()->Dead());
-  return Changed(node);
-}
-
-
 Reduction JSIntrinsicLowering::ReduceToInteger(Node* node) {
   Node* value = NodeProperties::GetValueInput(node, 0);
   Type* value_type = NodeProperties::GetType(value);