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

src/crankshaft/hydrogen.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.
 
 #include "src/crankshaft/hydrogen.h"
 
 #include <memory>
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
@@ skipping 5572 matching lines @@
           } else {
             instr = New<HLoadNamedField>(cell_constant, nullptr, access,
                                          field_maps, HType::HeapObject());
           }
           instr->ClearDependsOnFlag(kInobjectFields);
           instr->SetDependsOnFlag(kGlobalVars);
           return ast_context()->ReturnInstruction(instr, expr->id());
         }
       } else {
         Handle<TypeFeedbackVector> vector(current_feedback_vector(), isolate());
-        HLoadGlobalGeneric* instr = New<HLoadGlobalGeneric>(
-            variable->name(), ast_context()->typeof_mode(), vector,
-            expr->VariableFeedbackSlot());
+
+        HValue* vector_value = Add<HConstant>(vector);
+        HValue* slot_value =
+            Add<HConstant>(vector->GetIndex(expr->VariableFeedbackSlot()));
+        Callable callable = CodeFactory::LoadGlobalICInOptimizedCode(
+            isolate(), ast_context()->typeof_mode());
+        HValue* stub = Add<HConstant>(callable.code());
+        HValue* values[] = {context(), slot_value, vector_value};
+        HCallWithDescriptor* instr = New<HCallWithDescriptor>(
+            stub, 0, callable.descriptor(), ArrayVector(values));
         return ast_context()->ReturnInstruction(instr, expr->id());
       }
     }
 
     case VariableLocation::PARAMETER:
     case VariableLocation::LOCAL: {
       HValue* value = LookupAndMakeLive(variable);
       if (value == graph()->GetConstantHole()) {
         DCHECK(IsDeclaredVariableMode(variable->mode()) &&
                variable->mode() != VAR);
@@ skipping 7672 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8