Revert of [turbofan] Add language mode to JSCallFunction operator.

src/compiler/js-operator.h

 // Copyright 2013 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_COMPILER_JS_OPERATOR_H_
 #define V8_COMPILER_JS_OPERATOR_H_
 
 #include "src/runtime/runtime.h"
 #include "src/unique.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // Forward declarations.
 class Operator;
 struct JSOperatorGlobalCache;
 
 
 // Defines the arity and the call flags for a JavaScript function call. This is
 // used as a parameter by JSCallFunction operators.
 class CallFunctionParameters final {
  public:
-  CallFunctionParameters(size_t arity, CallFunctionFlags flags,
-                         LanguageMode language_mode)
-      : bit_field_(ArityField::encode(arity) | FlagsField::encode(flags) |
-                   LanguageModeField::encode(language_mode)) {}
+  CallFunctionParameters(size_t arity, CallFunctionFlags flags)
+      : arity_(arity), flags_(flags) {}
 
-  size_t arity() const { return ArityField::decode(bit_field_); }
-  CallFunctionFlags flags() const { return FlagsField::decode(bit_field_); }
-  LanguageMode language_mode() const {
-    return LanguageModeField::decode(bit_field_);
-  }
-
-  bool operator==(CallFunctionParameters const& that) const {
-    return this->bit_field_ == that.bit_field_;
-  }
-  bool operator!=(CallFunctionParameters const& that) const {
-    return !(*this == that);
-  }
+  size_t arity() const { return arity_; }
+  CallFunctionFlags flags() const { return flags_; }
 
  private:
-  friend size_t hash_value(CallFunctionParameters const& p) {
-    return p.bit_field_;
-  }
+  const size_t arity_;
+  const CallFunctionFlags flags_;
+};
 
-  typedef BitField<unsigned, 0, 28> ArityField;
-  typedef BitField<CallFunctionFlags, 28, 2> FlagsField;
-  typedef BitField<LanguageMode, 30, 2> LanguageModeField;
-
-  const uint32_t bit_field_;
-};
+bool operator==(CallFunctionParameters const&, CallFunctionParameters const&);
+bool operator!=(CallFunctionParameters const&, CallFunctionParameters const&);
 
 size_t hash_value(CallFunctionParameters const&);
 
 std::ostream& operator<<(std::ostream&, CallFunctionParameters const&);
 
 const CallFunctionParameters& CallFunctionParametersOf(const Operator* op);
 
 
 // Defines the arity and the ID for a runtime function call. This is used as a
 // parameter by JSCallRuntime operators.
@@ skipping 217 matching lines @@
   const Operator* ToNumber();
   const Operator* ToString();
   const Operator* ToName();
   const Operator* ToObject();
   const Operator* Yield();
 
   const Operator* Create();
   const Operator* CreateClosure(Handle<SharedFunctionInfo> shared_info,
                                 PretenureFlag pretenure);
 
-  const Operator* CallFunction(size_t arity, CallFunctionFlags flags,
-                               LanguageMode language_mode);
+  const Operator* CallFunction(size_t arity, CallFunctionFlags flags);
   const Operator* CallRuntime(Runtime::FunctionId id, size_t arity);
 
   const Operator* CallConstruct(int arguments);
 
   const Operator* LoadProperty(const VectorSlotPair& feedback);
   const Operator* LoadNamed(const Unique<Name>& name,
                             const VectorSlotPair& feedback,
                             ContextualMode contextual_mode = NOT_CONTEXTUAL,
                             PropertyICMode load_ic = NAMED);
 
@@ skipping 29 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_OPERATOR_H_