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

src/crankshaft/arm64/lithium-codegen-arm64.cc

Index: src/crankshaft/arm64/lithium-codegen-arm64.cc
diff --git a/src/crankshaft/arm64/lithium-codegen-arm64.cc b/src/crankshaft/arm64/lithium-codegen-arm64.cc
index ff1f743713b1d113370edbc8971334098ae4de3d..c7bdafb092e0e6cde36901e857988e9c29efe756 100644
--- a/src/crankshaft/arm64/lithium-codegen-arm64.cc
+++ b/src/crankshaft/arm64/lithium-codegen-arm64.cc
@@ -3008,23 +3008,6 @@ void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) {
 }
 
 
-template <class T>
-void LCodeGen::EmitVectorLoadICRegisters(T* instr) {
-  Register vector_register = ToRegister(instr->temp_vector());
-  Register slot_register = LoadWithVectorDescriptor::SlotRegister();
-  DCHECK(vector_register.is(LoadWithVectorDescriptor::VectorRegister()));
-  DCHECK(slot_register.is(x0));
-
-  AllowDeferredHandleDereference vector_structure_check;
-  Handle<TypeFeedbackVector> vector = instr->hydrogen()->feedback_vector();
-  __ Mov(vector_register, vector);
-  // No need to allocate this register.
-  FeedbackVectorSlot slot = instr->hydrogen()->slot();
-  int index = vector->GetIndex(slot);
-  __ Mov(slot_register, Smi::FromInt(index));
-}
-
-
 MemOperand LCodeGen::PrepareKeyedExternalArrayOperand(
     Register key,
     Register base,
@@ -3273,20 +3256,6 @@ void LCodeGen::DoLoadKeyedFixed(LLoadKeyedFixed* instr) {
 }
 
 
-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);
-
-  DCHECK(ToRegister(instr->result()).Is(x0));
-}
-
-
 void LCodeGen::DoLoadNamedField(LLoadNamedField* instr) {
   HObjectAccess access = instr->hydrogen()->access();
   int offset = access.offset();