Revert of [turbofan] Connect ObjectIsNumber to effect and control chains.

src/compiler/js-native-context-specialization.cc

 // 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.
 
 #include "src/compiler/js-native-context-specialization.h"
 
 #include "src/accessors.h"
 #include "src/code-factory.h"
 #include "src/compilation-dependencies.h"
 #include "src/compiler/access-builder.h"
@@ skipping 272 matching lines @@
             field_access.name = MaybeHandle<Name>();
           }
           field_access.machine_type = MachineType::Float64();
         }
         this_value = this_effect =
             graph()->NewNode(simplified()->LoadField(field_access),
                              this_storage, this_effect, this_control);
       } else {
         DCHECK_EQ(AccessMode::kStore, access_mode);
         if (field_type->Is(Type::UntaggedFloat64())) {
-          Node* check = this_control = this_effect =
-              graph()->NewNode(simplified()->ObjectIsNumber(), this_value,
-                               this_effect, this_control);
+          Node* check =
+              graph()->NewNode(simplified()->ObjectIsNumber(), this_value);
           Node* branch = graph()->NewNode(common()->Branch(BranchHint::kTrue),
                                           check, this_control);
           exit_controls.push_back(
               graph()->NewNode(common()->IfFalse(), branch));
           this_control = graph()->NewNode(common()->IfTrue(), branch);
           this_value = graph()->NewNode(common()->Guard(Type::Number()),
                                         this_value, this_control);
 
           if (!field_index.is_inobject() || field_index.is_hidden_field() ||
               !FLAG_unbox_double_fields) {
@@ skipping 340 matching lines @@
     // Certain stores need a prototype chain check because shape changes
     // could allow callbacks on elements in the prototype chain that are
     // not compatible with (monomorphic) keyed stores.
     Handle<JSObject> holder;
     if (access_info.holder().ToHandle(&holder)) {
       AssumePrototypesStable(receiver_type, native_context, holder);
     }
 
     // Check that the {index} is actually a Number.
     if (!NumberMatcher(this_index).HasValue()) {
-      Node* check = this_control = this_effect =
-          graph()->NewNode(simplified()->ObjectIsNumber(), this_index,
-                           this_effect, this_control);
+      Node* check =
+          graph()->NewNode(simplified()->ObjectIsNumber(), this_index);
       Node* branch = graph()->NewNode(common()->Branch(BranchHint::kTrue),
                                       check, this_control);
       exit_controls.push_back(graph()->NewNode(common()->IfFalse(), branch));
       this_control = graph()->NewNode(common()->IfTrue(), branch);
       this_index = graph()->NewNode(common()->Guard(Type::Number()), this_index,
                                     this_control);
     }
 
     // Convert the {index} to an unsigned32 value and check if the result is
     // equal to the original {index}.
@@ skipping 151 matching lines @@
       DCHECK_EQ(AccessMode::kStore, access_mode);
       if (IsFastSmiElementsKind(elements_kind)) {
         Node* check = graph()->NewNode(simplified()->ObjectIsSmi(), this_value);
         Node* branch = graph()->NewNode(common()->Branch(BranchHint::kTrue),
                                         check, this_control);
         exit_controls.push_back(graph()->NewNode(common()->IfFalse(), branch));
         this_control = graph()->NewNode(common()->IfTrue(), branch);
         this_value = graph()->NewNode(common()->Guard(type_cache_.kSmi),
                                       this_value, this_control);
       } else if (IsFastDoubleElementsKind(elements_kind)) {
-        Node* check = this_control = this_effect =
-            graph()->NewNode(simplified()->ObjectIsNumber(), this_value,
-                             this_effect, this_control);
+        Node* check =
+            graph()->NewNode(simplified()->ObjectIsNumber(), this_value);
         Node* branch = graph()->NewNode(common()->Branch(BranchHint::kTrue),
                                         check, this_control);
         exit_controls.push_back(graph()->NewNode(common()->IfFalse(), branch));
         this_control = graph()->NewNode(common()->IfTrue(), branch);
         this_value = graph()->NewNode(common()->Guard(Type::Number()),
                                       this_value, this_control);
       }
       this_effect = graph()->NewNode(simplified()->StoreElement(element_access),
                                      this_elements, this_index, this_value,
                                      this_effect, this_control);
@@ skipping 203 matching lines @@
 }
 
 
 SimplifiedOperatorBuilder* JSNativeContextSpecialization::simplified() const {
   return jsgraph()->simplified();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8