[turbofan] JSGenericLowering mostly uses builtins instead of code stubs now

src/code-stub-assembler.h

 // Copyright 2016 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_CODE_STUB_ASSEMBLER_H_
 #define V8_CODE_STUB_ASSEMBLER_H_
 
 #include <functional>
 
 #include "src/compiler/code-assembler.h"
@@ skipping 774 matching lines @@
   compiler::Node* CreateAllocationSiteInFeedbackVector(
       compiler::Node* feedback_vector, compiler::Node* slot);
 
   compiler::Node* GetFixedAarrayAllocationSize(compiler::Node* element_count,
                                                ElementsKind kind,
                                                ParameterMode mode) {
     return ElementOffsetFromIndex(element_count, kind, mode,
                                   FixedArray::kHeaderSize);
   }
 
+  enum RelationalComparisonMode {
+    kLessThan,
+    kLessThanOrEqual,
+    kGreaterThan,
+    kGreaterThanOrEqual
+  };
+
+  compiler::Node* RelationalComparison(RelationalComparisonMode mode,
+                                       compiler::Node* lhs, compiler::Node* rhs,
+                                       compiler::Node* context);
+
+  enum ResultMode { kDontNegateResult, kNegateResult };
+
+  compiler::Node* Equal(ResultMode mode, compiler::Node* lhs,
+                        compiler::Node* rhs, compiler::Node* context);
+
+  compiler::Node* StrictEqual(ResultMode mode, compiler::Node* lhs,
+                              compiler::Node* rhs, compiler::Node* context);
+
+  compiler::Node* HasProperty(compiler::Node* object, compiler::Node* key,
+                              compiler::Node* context,
+                              Runtime::FunctionId fallback_runtime_function_id);
+  compiler::Node* ForInFilter(compiler::Node* key, compiler::Node* object,
+                              compiler::Node* context);
+
+  compiler::Node* Typeof(compiler::Node* value, compiler::Node* context);
+
+  compiler::Node* InstanceOf(compiler::Node* object, compiler::Node* callable,
+                             compiler::Node* context);
+
  private:
   enum ElementSupport { kOnlyProperties, kSupportElements };
 
   void DescriptorLookupLinear(compiler::Node* unique_name,
                               compiler::Node* descriptors, compiler::Node* nof,
                               Label* if_found, Variable* var_name_index,
                               Label* if_not_found);
   compiler::Node* CallGetterIfAccessor(compiler::Node* value,
                                        compiler::Node* details,
                                        compiler::Node* context,
@@ skipping 49 matching lines @@
                                            Label* bailout);
 
   static const int kElementLoopUnrollThreshold = 8;
 };
 
 DEFINE_OPERATORS_FOR_FLAGS(CodeStubAssembler::AllocationFlags);
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_CODE_STUB_ASSEMBLER_H_