[crankshaft] Remove HLoadKeyedGeneric and use HCallWithDescriptor to call KeyedLoadIC.

src/crankshaft/s390/lithium-codegen-s390.cc

Index: src/crankshaft/s390/lithium-codegen-s390.cc
diff --git a/src/crankshaft/s390/lithium-codegen-s390.cc b/src/crankshaft/s390/lithium-codegen-s390.cc
index b852153e64a8feb346708a994dd119b51cec5432..3b4ed2a82c4f9120ed224619f627836d6945962e 100644
--- a/src/crankshaft/s390/lithium-codegen-s390.cc
+++ b/src/crankshaft/s390/lithium-codegen-s390.cc
@@ -2630,22 +2630,6 @@ void LCodeGen::DoReturn(LReturn* instr) {
   __ Ret();
 }
 
-template <class T>
-void LCodeGen::EmitVectorLoadICRegisters(T* instr) {
-  Register vector_register = ToRegister(instr->temp_vector());
-  Register slot_register = LoadDescriptor::SlotRegister();
-  DCHECK(vector_register.is(LoadWithVectorDescriptor::VectorRegister()));
-  DCHECK(slot_register.is(r2));
-
-  AllowDeferredHandleDereference vector_structure_check;
-  Handle<TypeFeedbackVector> vector = instr->hydrogen()->feedback_vector();
-  __ Move(vector_register, vector);
-  // No need to allocate this register.
-  FeedbackVectorSlot slot = instr->hydrogen()->slot();
-  int index = vector->GetIndex(slot);
-  __ LoadSmiLiteral(slot_register, Smi::FromInt(index));
-}
-
 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());
@@ -3081,16 +3065,6 @@ MemOperand LCodeGen::PrepareKeyedOperand(Register key, Register base,
   return MemOperand(scratch, base, base_offset);
 }
 
-void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
-  DCHECK(ToRegister(instr->context()).is(cp));
-  DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister()));
-  DCHECK(ToRegister(instr->key()).is(LoadDescriptor::NameRegister()));
-  EmitVectorLoadICRegisters<LLoadKeyedGeneric>(instr);
-
-  Handle<Code> ic = CodeFactory::KeyedLoadICInOptimizedCode(isolate()).code();
-  CallCode(ic, RelocInfo::CODE_TARGET, instr);
-}
-
 void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) {
   Register scratch = scratch0();
   Register result = ToRegister(instr->result());