[crankshaft] Remove HLoadNamedGeneric and use HCallWithDescriptor to call LoadIC.

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 31e07a2ef22119ecbdfaa7f6006f98ea4cadf459..c2679e6fe5276fbe8edcc1625d8a13cb0e8f621c 100644
--- a/src/crankshaft/arm64/lithium-codegen-arm64.cc
+++ b/src/crankshaft/arm64/lithium-codegen-arm64.cc
@@ -3328,19 +3328,6 @@ void LCodeGen::DoLoadNamedField(LLoadNamedField* instr) {
 }
 
 
-void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
-  DCHECK(ToRegister(instr->context()).is(cp));
-  // LoadIC expects name and receiver in registers.
-  DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister()));
-  __ Mov(LoadDescriptor::NameRegister(), Operand(instr->name()));
-  EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr);
-  Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(isolate()).code();
-  CallCode(ic, RelocInfo::CODE_TARGET, instr);
-
-  DCHECK(ToRegister(instr->result()).is(x0));
-}
-
-
 void LCodeGen::DoLoadRoot(LLoadRoot* instr) {
   Register result = ToRegister(instr->result());
   __ LoadRoot(result, instr->index());