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

src/crankshaft/x64/lithium-codegen-x64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/crankshaft/x64/lithium-codegen-x64.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 2499 matching lines @@
     __ SmiToInteger32(reg, reg);
     Register return_addr_reg = reg.is(rcx) ? rbx : rcx;
     __ PopReturnAddressTo(return_addr_reg);
     __ shlp(reg, Immediate(kPointerSizeLog2));
     __ addp(rsp, reg);
     __ jmp(return_addr_reg);
   }
 }
 
 
-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(rax));
-
-  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);
-  __ Move(slot_register, Smi::FromInt(index));
-}
-
-
 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());
   __ movp(result, ContextOperand(context, instr->slot_index()));
   if (instr->hydrogen()->RequiresHoleCheck()) {
     __ CompareRoot(result, Heap::kTheHoleValueRootIndex);
     if (instr->hydrogen()->DeoptimizesOnHole()) {
       DeoptimizeIf(equal, instr, DeoptimizeReason::kHole);
     } else {
       Label is_not_hole;
@@ skipping 357 matching lines @@
 
     ScaleFactor scale_factor = static_cast<ScaleFactor>(shift_size);
     return Operand(elements_pointer_reg,
                    ToRegister(key),
                    scale_factor,
                    offset);
   }
 }
 
 
-void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
-  DCHECK(ToRegister(instr->context()).is(rsi));
-  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 result = ToRegister(instr->result());
 
   if (instr->hydrogen()->from_inlined()) {
     __ leap(result, Operand(rsp, -kFPOnStackSize + -kPCOnStackSize));
   } else if (instr->hydrogen()->arguments_adaptor()) {
     // Check for arguments adapter frame.
     Label done, adapted;
     __ movp(result, Operand(rbp, StandardFrameConstants::kCallerFPOffset));
     __ Cmp(Operand(result, CommonFrameConstants::kContextOrFrameTypeOffset),
@@ skipping 2560 matching lines @@
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64