[crankshaft] Remove HStoreKeyedGeneric and use HCallWithDescriptor instead to call KeyedStoreIC.

src/crankshaft/arm64/lithium-arm64.cc

Index: src/crankshaft/arm64/lithium-arm64.cc
diff --git a/src/crankshaft/arm64/lithium-arm64.cc b/src/crankshaft/arm64/lithium-arm64.cc
index 329161a0860bcf52db536bd8c99329040128a617..c12fab833ae7e8f9a3cb640a35a128d74b9c479a 100644
--- a/src/crankshaft/arm64/lithium-arm64.cc
+++ b/src/crankshaft/arm64/lithium-arm64.cc
@@ -252,15 +252,6 @@ void LStoreContextSlot::PrintDataTo(StringStream* stream) {
 }
 
 
-void LStoreKeyedGeneric::PrintDataTo(StringStream* stream) {
-  object()->PrintTo(stream);
-  stream->Add("[");
-  key()->PrintTo(stream);
-  stream->Add("] <- ");
-  value()->PrintTo(stream);
-}
-
-
 void LStoreNamedField::PrintDataTo(StringStream* stream) {
   object()->PrintTo(stream);
   std::ostringstream os;
@@ -2200,26 +2191,6 @@ LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) {
-  LOperand* context = UseFixed(instr->context(), cp);
-  LOperand* object =
-      UseFixed(instr->object(), StoreDescriptor::ReceiverRegister());
-  LOperand* key = UseFixed(instr->key(), StoreDescriptor::NameRegister());
-  LOperand* value = UseFixed(instr->value(), StoreDescriptor::ValueRegister());
-
-  DCHECK(instr->object()->representation().IsTagged());
-  DCHECK(instr->key()->representation().IsTagged());
-  DCHECK(instr->value()->representation().IsTagged());
-
-  LOperand* slot = FixedTemp(StoreWithVectorDescriptor::SlotRegister());
-  LOperand* vector = FixedTemp(StoreWithVectorDescriptor::VectorRegister());
-
-  LStoreKeyedGeneric* result = new (zone())
-      LStoreKeyedGeneric(context, object, key, value, slot, vector);
-  return MarkAsCall(result, instr);
-}
-
-
 LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) {
   // TODO(jbramley): It might be beneficial to allow value to be a constant in
   // some cases. x64 makes use of this with FLAG_track_fields, for example.