[crankshaft] Remove HLoadNamedGeneric and use HCallWithDescriptor to call LoadIC.

src/crankshaft/hydrogen-instructions.h

Index: src/crankshaft/hydrogen-instructions.h
diff --git a/src/crankshaft/hydrogen-instructions.h b/src/crankshaft/hydrogen-instructions.h
index f307abacdc8028e265cd422fb4d3be9ed1dbec76..7bbdfefd7e62c0f84fc6c097b9b2911e7e5eb877 100644
--- a/src/crankshaft/hydrogen-instructions.h
+++ b/src/crankshaft/hydrogen-instructions.h
@@ -108,7 +108,6 @@ class SmallMapList;
   V(LoadKeyed)                                \
   V(LoadKeyedGeneric)                         \
   V(LoadNamedField)                           \
-  V(LoadNamedGeneric)                         \
   V(LoadRoot)                                 \
   V(MathFloorOfDiv)                           \
   V(MathMinMax)                               \
@@ -5808,46 +5807,6 @@ class HLoadNamedField final : public HTemplateInstruction<2> {
 };
 
 
-class HLoadNamedGeneric final : public HTemplateInstruction<2> {
- public:
-  DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P4(HLoadNamedGeneric, HValue*,
-                                              Handle<Name>,
-                                              Handle<TypeFeedbackVector>,
-                                              FeedbackVectorSlot);
-
-  HValue* context() const { return OperandAt(0); }
-  HValue* object() const { return OperandAt(1); }
-  Handle<Name> name() const { return name_; }
-
-  FeedbackVectorSlot slot() const { return slot_; }
-  Handle<TypeFeedbackVector> feedback_vector() const {
-    return feedback_vector_;
-  }
-
-  Representation RequiredInputRepresentation(int index) override {
-    return Representation::Tagged();
-  }
-
-  std::ostream& PrintDataTo(std::ostream& os) const override;  // NOLINT
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric)
-
- private:
-  HLoadNamedGeneric(HValue* context, HValue* object, Handle<Name> name,
-                    Handle<TypeFeedbackVector> vector, FeedbackVectorSlot slot)
-      : name_(name), feedback_vector_(vector), slot_(slot) {
-    SetOperandAt(0, context);
-    SetOperandAt(1, object);
-    set_representation(Representation::Tagged());
-    SetAllSideEffects();
-  }
-
-  Handle<Name> name_;
-  Handle<TypeFeedbackVector> feedback_vector_;
-  FeedbackVectorSlot slot_;
-};
-
-
 class HLoadFunctionPrototype final : public HUnaryOperation {
  public:
   DECLARE_INSTRUCTION_FACTORY_P1(HLoadFunctionPrototype, HValue*);