[builtins] implement Array.prototype.includes in TurboFan

src/compiler/js-operator.cc

 // Copyright 2014 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-operator.h"
 
 #include <limits>
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
@@ skipping 381 matching lines @@
 }
 
 const CompareOperationHints& CompareOperationHintsOf(const Operator* op) {
   DCHECK(op->opcode() == IrOpcode::kJSEqual ||
          op->opcode() == IrOpcode::kJSNotEqual ||
          op->opcode() == IrOpcode::kJSStrictEqual ||
          op->opcode() == IrOpcode::kJSStrictNotEqual ||
          op->opcode() == IrOpcode::kJSLessThan ||
          op->opcode() == IrOpcode::kJSGreaterThan ||
          op->opcode() == IrOpcode::kJSLessThanOrEqual ||
-         op->opcode() == IrOpcode::kJSGreaterThanOrEqual);
+         op->opcode() == IrOpcode::kJSGreaterThanOrEqual ||
+         op->opcode() == IrOpcode::kJSSameValueZero);
   return OpParameter<CompareOperationHints>(op);
 }
 
 #define CACHED_OP_LIST(V)                                   \
   V(ToInteger, Operator::kNoProperties, 1, 1)               \
   V(ToLength, Operator::kNoProperties, 1, 1)                \
   V(ToName, Operator::kNoProperties, 1, 1)                  \
   V(ToNumber, Operator::kNoProperties, 1, 1)                \
   V(ToObject, Operator::kFoldable, 1, 1)                    \
   V(ToString, Operator::kNoProperties, 1, 1)                \
@@ skipping 172 matching lines @@
 
 const Operator* JSOperatorBuilder::StrictNotEqual(CompareOperationHints hints) {
   // TODO(turbofan): Cache most important versions of this operator.
   return new (zone()) Operator1<CompareOperationHints>(  //--
       IrOpcode::kJSStrictNotEqual, Operator::kPure,      // opcode
       "JSStrictNotEqual",                                // name
       2, 0, 0, 1, 0, 0,                                  // inputs/outputs
       hints);                                            // parameter
 }
 
+const Operator* JSOperatorBuilder::SameValueZero(CompareOperationHints hints) {
+  return new (zone()) Operator1<CompareOperationHints>(  //--
+      IrOpcode::kJSSameValueZero, Operator::kPure,       // opcode
+      "JSSameValueZero",                                 // name
+      2, 0, 0, 1, 0, 0,                                  // inputs/outputs
+      hints);                                            // parameter
+}
+
 const Operator* JSOperatorBuilder::LessThan(CompareOperationHints hints) {
   // TODO(turbofan): Cache most important versions of this operator.
   return new (zone()) Operator1<CompareOperationHints>(  //--
       IrOpcode::kJSLessThan, Operator::kNoProperties,    // opcode
       "JSLessThan",                                      // name
       2, 1, 1, 1, 1, 2,                                  // inputs/outputs
       hints);                                            // parameter
 }
 
 const Operator* JSOperatorBuilder::GreaterThan(CompareOperationHints hints) {
@@ skipping 310 matching lines @@
   return new (zone()) Operator1<Handle<ScopeInfo>>(               // --
       IrOpcode::kJSCreateScriptContext, Operator::kNoProperties,  // opcode
       "JSCreateScriptContext",                                    // name
       1, 1, 1, 1, 1, 2,                                           // counts
       scpope_info);                                               // parameter
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8