[interpreter] Remove unused helper generators.

BUG=v8:6116

Change-Id: I4e521d2fb3964e0d3615ef1deea6b3418fc77c50
Reviewed-on: https://chromium-review.googlesource.com/458400
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44051}

src/code-stubs.h

@@ -338,15 +338,6 @@ class CodeStub BASE_EMBEDDED {
   void GenerateAssembly(compiler::CodeAssemblerState* state) const override; \
   DEFINE_CODE_STUB(NAME, SUPER)
 
-#define DEFINE_TURBOFAN_UNARY_OP_CODE_STUB_WITH_FEEDBACK(NAME, SUPER)        \
- public:                                                                     \
-  static compiler::Node* Generate(                                           \
-      CodeStubAssembler* assembler, compiler::Node* value,                   \
-      compiler::Node* context, compiler::Node* feedback_vector,              \
-      compiler::Node* slot_id);                                              \
-  void GenerateAssembly(compiler::CodeAssemblerState* state) const override; \
-  DEFINE_CODE_STUB(NAME, SUPER)
-
 #define DEFINE_HANDLER_CODE_STUB(NAME, SUPER) \
  public:                                      \
   Handle<Code> GenerateCode() override;       \

src/interpreter/interpreter-generator.cc

@@ -45,11 +45,11 @@ class InterpreterGenerator {
                                                         Node* slot,
                                                         Node* vector);
 
-  // Generates code to perform the binary operation via |Generator|.
+  // Generates code to perform the binary operation via |generator|.
   void DoBinaryOpWithFeedback(InterpreterAssembler* assembler,
                               BinaryOpGenerator generator);
 
-  // Generates code to perform the comparison via |Generator| while gathering
+  // Generates code to perform the |compare_op| comparison while gathering
   // type feedback.
   void DoCompareOpWithFeedback(Token::Value compare_op,
                                InterpreterAssembler* assembler);
@@ -59,16 +59,6 @@ class InterpreterGenerator {
   void DoBitwiseBinaryOp(Token::Value bitwise_op,
                          InterpreterAssembler* assembler);
 
-  // Generates code to perform the binary operation via |Generator| using
-  // an immediate value rather the accumulator as the rhs operand.
-  template <class Generator>
-  void DoBinaryOpWithImmediate(InterpreterAssembler* assembler);
-
-  // Generates code to perform the unary operation via |Generator| while
-  // gatering type feedback.
-  template <class Generator>
-  void DoUnaryOpWithFeedback(InterpreterAssembler* assembler);
-
   // Generates code to perform the comparison operation associated with
   // |compare_op|.
   void DoCompareOp(Token::Value compare_op, InterpreterAssembler* assembler);
@@ -1562,19 +1552,6 @@ Node* InterpreterGenerator::BuildUnaryOp(Callable callable,
   return __ CallStub(callable.descriptor(), target, context, accumulator);
 }
 
-template <class Generator>
-void InterpreterGenerator::DoUnaryOpWithFeedback(
-    InterpreterAssembler* assembler) {
-  Node* value = __ GetAccumulator();
-  Node* context = __ GetContext();
-  Node* slot_index = __ BytecodeOperandIdx(0);
-  Node* feedback_vector = __ LoadFeedbackVector();
-  Node* result = Generator::Generate(assembler, value, context, feedback_vector,
-                                     slot_index);
-  __ SetAccumulator(result);
-  __ Dispatch();
-}
-
 // ToName
 //
 // Convert the object referenced by the accumulator to a name.