[ics]: Remove deprecated support for patching LoadICs and StoreICs

src/code-stubs-hydrogen.cc

 // Copyright 2012 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/code-stubs.h"
 
 #include <memory>
 
 #include "src/bailout-reason.h"
 #include "src/code-factory.h"
@@ skipping 358 matching lines @@
   HValue* key = builder.BeginBody(start, argc, Token::LT);
   {
     HValue* argument = Add<HAccessArgumentsAt>(argument_elements, argc, key);
     HValue* index = AddUncasted<HAdd>(key, length);
     AddElementAccess(elements, index, argument, object, nullptr, kind, STORE);
   }
   builder.EndBody();
   return new_length;
 }
 
-template <>
-HValue* CodeStubGraphBuilder<LoadFastElementStub>::BuildCodeStub() {
-  LoadKeyedHoleMode hole_mode = casted_stub()->convert_hole_to_undefined()
-                                    ? CONVERT_HOLE_TO_UNDEFINED
-                                    : NEVER_RETURN_HOLE;
-
-  HInstruction* load = BuildUncheckedMonomorphicElementAccess(
-      GetParameter(Descriptor::kReceiver), GetParameter(Descriptor::kName),
-      NULL, casted_stub()->is_js_array(), casted_stub()->elements_kind(), LOAD,
-      hole_mode, STANDARD_STORE);
-  return load;
-}
-
-
-Handle<Code> LoadFastElementStub::GenerateCode() {
-  return DoGenerateCode(this);
-}
-
-
 HLoadNamedField* CodeStubGraphBuilderBase::BuildLoadNamedField(
     HValue* object, FieldIndex index) {
   Representation representation = index.is_double()
       ? Representation::Double()
       : Representation::Tagged();
   int offset = index.offset();
   HObjectAccess access = index.is_inobject()
       ? HObjectAccess::ForObservableJSObjectOffset(offset, representation)
       : HObjectAccess::ForBackingStoreOffset(offset, representation);
   if (index.is_double() &&
@@ skipping 384 matching lines @@
   if_true.If<HBranch>(GetParameter(Descriptor::kArgument), stub->hints());
   if_true.Then();
   if_true.Return(graph()->GetConstantTrue());
   if_true.Else();
   if_true.End();
   return graph()->GetConstantFalse();
 }
 
 Handle<Code> ToBooleanICStub::GenerateCode() { return DoGenerateCode(this); }
 
-template <>
-HValue* CodeStubGraphBuilder<LoadDictionaryElementStub>::BuildCodeStub() {
-  HValue* receiver = GetParameter(Descriptor::kReceiver);
-  HValue* key = GetParameter(Descriptor::kName);
-
-  Add<HCheckSmi>(key);
-
-  HValue* elements = AddLoadElements(receiver);
-
-  HValue* hash = BuildElementIndexHash(key);
-
-  return BuildUncheckedDictionaryElementLoad(receiver, elements, key, hash);
-}
-
-
-Handle<Code> LoadDictionaryElementStub::GenerateCode() {
-  return DoGenerateCode(this);
-}
-
 }  // namespace internal
 }  // namespace v8