[turbofan] Add SimplifiedOperator::Allocate operator.

src/compiler/opcodes.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_OPCODES_H_
 #define V8_COMPILER_OPCODES_H_
 
 // Opcodes for control operators.
 #define CONTROL_OP_LIST(V) \
   V(Start)                 \
@@ skipping 154 matching lines @@
   V(PlainPrimitiveToNumber)        \
   V(StringAdd)                     \
   V(ChangeTaggedToInt32)           \
   V(ChangeTaggedToUint32)          \
   V(ChangeTaggedToFloat64)         \
   V(ChangeInt32ToTagged)           \
   V(ChangeUint32ToTagged)          \
   V(ChangeFloat64ToTagged)         \
   V(ChangeBoolToBit)               \
   V(ChangeBitToBool)               \
+  V(Allocate)                      \
   V(LoadField)                     \
   V(LoadBuffer)                    \
   V(LoadElement)                   \
   V(StoreField)                    \
   V(StoreBuffer)                   \
   V(StoreElement)                  \
   V(ObjectIsSmi)                   \
   V(ObjectIsNonNegativeSmi)
 
 // Opcodes for Machine-level operators.
@@ skipping 159 matching lines @@
            (kNumberEqual <= value && value <= kStringLessThanOrEqual) ||
            (kWord32Equal <= value && value <= kFloat64LessThanOrEqual);
   }
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPCODES_H_