[Interpreter] Collect type feedback for subtract operation and pass it to turbofan.

src/interpreter/interpreter.cc

Index: src/interpreter/interpreter.cc
diff --git a/src/interpreter/interpreter.cc b/src/interpreter/interpreter.cc
index 352e0abf7ba220ed53c56f10133656061b69c691..2bfbbb6fb52794d4ae9059c73fb72c32610d60aa 100644
--- a/src/interpreter/interpreter.cc
+++ b/src/interpreter/interpreter.cc
@@ -750,6 +750,7 @@ void Interpreter::DoPopContext(InterpreterAssembler* assembler) {
   __ Dispatch();
 }
 
+// TODO(mythria): Remove this function once all BinaryOps record type feedback.
 template <class Generator>
 void Interpreter::DoBinaryOp(InterpreterAssembler* assembler) {
   Node* reg_index = __ BytecodeOperandReg(0);
@@ -761,6 +762,20 @@ void Interpreter::DoBinaryOp(InterpreterAssembler* assembler) {
   __ Dispatch();
 }
 
+template <class Generator>
+void Interpreter::DoBinaryOpWithFeedback(InterpreterAssembler* assembler) {
+  Node* reg_index = __ BytecodeOperandReg(0);
+  Node* lhs = __ LoadRegister(reg_index);
+  Node* rhs = __ GetAccumulator();
+  Node* context = __ GetContext();
+  Node* slot_index = __ BytecodeOperandIdx(1);
+  Node* type_feedback_vector = __ LoadTypeFeedbackVector();
+  Node* result = Generator::Generate(assembler, lhs, rhs, context,
+                                     type_feedback_vector, slot_index);
+  __ SetAccumulator(result);
+  __ Dispatch();
+}
+
 // Add <src>
 //
 // Add register <src> to accumulator.
@@ -772,7 +787,7 @@ void Interpreter::DoAdd(InterpreterAssembler* assembler) {
 //
 // Subtract register <src> from accumulator.
 void Interpreter::DoSub(InterpreterAssembler* assembler) {
-  DoBinaryOp<SubtractStub>(assembler);
+  DoBinaryOpWithFeedback<SubtractWithFeedbackStub>(assembler);
 }
 
 // Mul <src>