[fullcodegen] Refactor code that calls load ICs.

src/full-codegen/x64/full-codegen-x64.cc

 // Copyright 2012 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/full-codegen/full-codegen.h"
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
@@ skipping 1200 matching lines @@
       __ CompareRoot(rax, Heap::kTheHoleValueRootIndex);
       __ j(not_equal, done);
       __ Push(var->name());
       __ CallRuntime(Runtime::kThrowReferenceError);
     } else {
       __ jmp(done);
     }
   }
 }
 
-
-void FullCodeGenerator::EmitGlobalVariableLoad(VariableProxy* proxy,
-                                               TypeofMode typeof_mode) {
-#ifdef DEBUG
-  Variable* var = proxy->var();
-  DCHECK(var->IsUnallocated() ||
-         (var->IsLookupSlot() && var->mode() == DYNAMIC_GLOBAL));
-#endif
-  __ Move(LoadGlobalDescriptor::SlotRegister(),
-          SmiFromSlot(proxy->VariableFeedbackSlot()));
-  CallLoadGlobalIC(typeof_mode);
-}
-
-
 void FullCodeGenerator::EmitVariableLoad(VariableProxy* proxy,
                                          TypeofMode typeof_mode) {
   // Record position before possible IC call.
   SetExpressionPosition(proxy);
   PrepareForBailoutForId(proxy->BeforeId(), BailoutState::NO_REGISTERS);
   Variable* var = proxy->var();
 
   // Three cases: global variables, lookup variables, and all other types of
   // variables.
   switch (var->location()) {
@@ skipping 2342 matching lines @@
   DCHECK_EQ(
       isolate->builtins()->OnStackReplacement()->entry(),
       Assembler::target_address_at(call_target_address, unoptimized_code));
   return ON_STACK_REPLACEMENT;
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64