[ic] Delete old KeyedLoadIC code

src/arm64/code-stubs-arm64.cc

Index: src/arm64/code-stubs-arm64.cc
diff --git a/src/arm64/code-stubs-arm64.cc b/src/arm64/code-stubs-arm64.cc
index f9290a7850406418f41750503499d6a13546509b..c0d700ce0d8c4ae4bcb9082a74a126df52e527e7 100644
--- a/src/arm64/code-stubs-arm64.cc
+++ b/src/arm64/code-stubs-arm64.cc
@@ -2974,14 +2974,6 @@ void StubFailureTrampolineStub::Generate(MacroAssembler* masm) {
   __ Ret();
 }
 
-
-void KeyedLoadICTrampolineStub::Generate(MacroAssembler* masm) {
-  __ EmitLoadTypeFeedbackVector(LoadWithVectorDescriptor::VectorRegister());
-  KeyedLoadICStub stub(isolate());
-  stub.GenerateForTrampoline(masm);
-}
-
-
 void CallICTrampolineStub::Generate(MacroAssembler* masm) {
   __ EmitLoadTypeFeedbackVector(x2);
   CallICStub stub(isolate(), state());
@@ -3079,74 +3071,6 @@ static void HandleMonomorphicCase(MacroAssembler* masm, Register receiver,
   __ Jump(handler);
 }
 
-
-void KeyedLoadICStub::Generate(MacroAssembler* masm) {
-  GenerateImpl(masm, false);
-}
-
-
-void KeyedLoadICStub::GenerateForTrampoline(MacroAssembler* masm) {
-  GenerateImpl(masm, true);
-}
-
-
-void KeyedLoadICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) {
-  Register receiver = LoadWithVectorDescriptor::ReceiverRegister();  // x1
-  Register key = LoadWithVectorDescriptor::NameRegister();           // x2
-  Register vector = LoadWithVectorDescriptor::VectorRegister();      // x3
-  Register slot = LoadWithVectorDescriptor::SlotRegister();          // x0
-  Register feedback = x4;
-  Register receiver_map = x5;
-  Register scratch1 = x6;
-
-  __ Add(feedback, vector, Operand::UntagSmiAndScale(slot, kPointerSizeLog2));
-  __ Ldr(feedback, FieldMemOperand(feedback, FixedArray::kHeaderSize));
-
-  // Try to quickly handle the monomorphic case without knowing for sure
-  // if we have a weak cell in feedback. We do know it's safe to look
-  // at WeakCell::kValueOffset.
-  Label try_array, load_smi_map, compare_map;
-  Label not_array, miss;
-  HandleMonomorphicCase(masm, receiver, receiver_map, feedback, vector, slot,
-                        scratch1, &compare_map, &load_smi_map, &try_array);
-
-  __ Bind(&try_array);
-  // Is it a fixed array?
-  __ Ldr(scratch1, FieldMemOperand(feedback, HeapObject::kMapOffset));
-  __ JumpIfNotRoot(scratch1, Heap::kFixedArrayMapRootIndex, &not_array);
-
-  // We have a polymorphic element handler.
-  Label polymorphic, try_poly_name;
-  __ Bind(&polymorphic);
-  HandleArrayCases(masm, feedback, receiver_map, scratch1, x7, true, &miss);
-
-  __ Bind(&not_array);
-  // Is it generic?
-  __ JumpIfNotRoot(feedback, Heap::kmegamorphic_symbolRootIndex,
-                   &try_poly_name);
-  Handle<Code> megamorphic_stub =
-      KeyedLoadIC::ChooseMegamorphicStub(masm->isolate(), GetExtraICState());
-  __ Jump(megamorphic_stub, RelocInfo::CODE_TARGET);
-
-  __ Bind(&try_poly_name);
-  // We might have a name in feedback, and a fixed array in the next slot.
-  __ Cmp(key, feedback);
-  __ B(ne, &miss);
-  // If the name comparison succeeded, we know we have a fixed array with
-  // at least one map/handler pair.
-  __ Add(feedback, vector, Operand::UntagSmiAndScale(slot, kPointerSizeLog2));
-  __ Ldr(feedback,
-         FieldMemOperand(feedback, FixedArray::kHeaderSize + kPointerSize));
-  HandleArrayCases(masm, feedback, receiver_map, scratch1, x7, false, &miss);
-
-  __ Bind(&miss);
-  KeyedLoadIC::GenerateMiss(masm);
-
-  __ Bind(&load_smi_map);
-  __ LoadRoot(receiver_map, Heap::kHeapNumberMapRootIndex);
-  __ jmp(&compare_map);
-}
-
 void KeyedStoreICTrampolineStub::Generate(MacroAssembler* masm) {
   __ EmitLoadTypeFeedbackVector(StoreWithVectorDescriptor::VectorRegister());
   KeyedStoreICStub stub(isolate(), state());