[interpreter] Record type feedback in the handlers for Inc and Dec.

src/interpreter/interpreter.cc

 // Copyright 2015 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/interpreter/interpreter.h"
 
 #include <fstream>
 #include <memory>
 
 #include "src/ast/prettyprinter.h"
@@ skipping 1101 matching lines @@
 
 template <class Generator>
 void Interpreter::DoUnaryOp(InterpreterAssembler* assembler) {
   Node* value = __ GetAccumulator();
   Node* context = __ GetContext();
   Node* result = Generator::Generate(assembler, value, context);
   __ SetAccumulator(result);
   __ Dispatch();
 }
 
+template <class Generator>
+void Interpreter::DoUnaryOpWithFeedback(InterpreterAssembler* assembler) {
+  Node* value = __ GetAccumulator();
+  Node* context = __ GetContext();
+  Node* slot_index = __ BytecodeOperandIdx(0);
+  Node* type_feedback_vector = __ LoadTypeFeedbackVector();
+  Node* result = Generator::Generate(assembler, value, context,
+                                     type_feedback_vector, slot_index);
+  __ SetAccumulator(result);
+  __ Dispatch();
+}
+
 // ToName
 //
 // Cast the object referenced by the accumulator to a name.
 void Interpreter::DoToName(InterpreterAssembler* assembler) {
   Node* result = BuildUnaryOp(CodeFactory::ToName(isolate_), assembler);
   __ StoreRegister(result, __ BytecodeOperandReg(0));
   __ Dispatch();
 }
 
 // ToNumber
@@ skipping 11 matching lines @@
 void Interpreter::DoToObject(InterpreterAssembler* assembler) {
   Node* result = BuildUnaryOp(CodeFactory::ToObject(isolate_), assembler);
   __ StoreRegister(result, __ BytecodeOperandReg(0));
   __ Dispatch();
 }
 
 // Inc
 //
 // Increments value in the accumulator by one.
 void Interpreter::DoInc(InterpreterAssembler* assembler) {
-  DoUnaryOp<IncStub>(assembler);
+  DoUnaryOpWithFeedback<IncStub>(assembler);
 }
 
 // Dec
 //
 // Decrements value in the accumulator by one.
 void Interpreter::DoDec(InterpreterAssembler* assembler) {
-  DoUnaryOp<DecStub>(assembler);
+  DoUnaryOpWithFeedback<DecStub>(assembler);
 }
 
 // LogicalNot
 //
 // Perform logical-not on the accumulator, first casting the
 // accumulator to a boolean value if required.
 // ToBooleanLogicalNot
 void Interpreter::DoToBooleanLogicalNot(InterpreterAssembler* assembler) {
   Node* value = __ GetAccumulator();
   Variable result(assembler, MachineRepresentation::kTagged);
@@ skipping 1109 matching lines @@
   __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset,
       __ SmiTag(new_state));
   __ SetAccumulator(old_state);
 
   __ Dispatch();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8