[crankshaft] Remove HLoadGlobalGeneric and use HCallWithDescriptor instead to call LoadGlobalIC.

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

 // Copyright 2014 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.
 
 #include "src/crankshaft/ppc/lithium-codegen-ppc.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/crankshaft/hydrogen-osr.h"
@@ skipping 2653 matching lines @@
   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::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
-  DCHECK(ToRegister(instr->context()).is(cp));
-  DCHECK(ToRegister(instr->result()).is(r3));
-
-  EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr);
-  Handle<Code> ic =
-      CodeFactory::LoadGlobalICInOptimizedCode(isolate(), instr->typeof_mode())
-          .code();
-  CallCode(ic, RelocInfo::CODE_TARGET, instr);
-}
-
-
 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());
   __ LoadP(result, ContextMemOperand(context, instr->slot_index()));
   if (instr->hydrogen()->RequiresHoleCheck()) {
     __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
     if (instr->hydrogen()->DeoptimizesOnHole()) {
       __ cmp(result, ip);
       DeoptimizeIf(eq, instr, DeoptimizeReason::kHole);
     } else {
@@ skipping 3036 matching lines @@
   __ LoadP(result,
            FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize));
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8