[turbofan] Deopt support for escape analysis

src/compiler/common-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/common-operator.h"
 
 #include "src/assembler.h"
 #include "src/base/lazy-instance.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/opcodes.h"
@@ skipping 683 matching lines @@
       break;
   }
   // Uncached.
   return new (zone()) Operator(                 // --
       IrOpcode::kStateValues, Operator::kPure,  // opcode
       "StateValues",                            // name
       arguments, 0, 0, 1, 0, 0);                // counts
 }
 
 
+const Operator* CommonOperatorBuilder::ObjectState(int pointer_slots, int id) {
+  return new (zone()) Operator1<int>(           // --
+      IrOpcode::kObjectState, Operator::kPure,  // opcode
+      "ObjectState",                            // name
+      pointer_slots, 0, 0, 1, 0, 0, id);        // counts
+}
+
+
 const Operator* CommonOperatorBuilder::TypedStateValues(
     const ZoneVector<MachineType>* types) {
   return new (zone()) Operator1<const ZoneVector<MachineType>*>(  // --
       IrOpcode::kTypedStateValues, Operator::kPure,               // opcode
       "TypedStateValues",                                         // name
       static_cast<int>(types->size()), 0, 0, 1, 0, 0, types);     // counts
 }
 
 
 const Operator* CommonOperatorBuilder::FrameState(
@@ skipping 95 matching lines @@
     Handle<SharedFunctionInfo> shared_info,
     ContextCallingMode context_calling_mode) {
   return new (zone()->New(sizeof(FrameStateFunctionInfo)))
       FrameStateFunctionInfo(type, parameter_count, local_count, shared_info,
                              context_calling_mode);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8