[ic] LoadGlobalIC caches PropertyCells in the feedback vector.

src/code-stubs.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.
 
 #include "src/code-stubs.h"
 
 #include <sstream>
 
 #include "src/bootstrapper.h"
 #include "src/code-factory.h"
@@ skipping 403 matching lines @@
   CallInterfaceDescriptor descriptor(GetCallInterfaceDescriptor());
   CodeStubAssembler assembler(isolate(), &zone, descriptor, GetCodeFlags(),
                               name);
   GenerateAssembly(&assembler);
   return assembler.GenerateCode();
 }
 
 void LoadICTrampolineTFStub::GenerateAssembly(
     CodeStubAssembler* assembler) const {
   typedef compiler::Node Node;
-  typedef CodeStubAssembler::Label Label;
 
   Node* receiver = assembler->Parameter(0);
   Node* name = assembler->Parameter(1);
   Node* slot = assembler->Parameter(2);
   Node* context = assembler->Parameter(3);
   Node* vector = assembler->LoadTypeFeedbackVectorForStub();
 
   CodeStubAssembler::LoadICParameters p(context, receiver, name, slot, vector);
-  Label miss(assembler);
-  assembler->LoadIC(&p, &miss);
-
-  assembler->Bind(&miss);
-  assembler->TailCallRuntime(Runtime::kLoadIC_Miss, context, receiver, name,
-                             slot, vector);
+  assembler->LoadIC(&p);
 }
 
 void LoadICTFStub::GenerateAssembly(CodeStubAssembler* assembler) const {
   typedef compiler::Node Node;
-  typedef CodeStubAssembler::Label Label;
 
   Node* receiver = assembler->Parameter(0);
   Node* name = assembler->Parameter(1);
   Node* slot = assembler->Parameter(2);
   Node* vector = assembler->Parameter(3);
   Node* context = assembler->Parameter(4);
 
   CodeStubAssembler::LoadICParameters p(context, receiver, name, slot, vector);
-  Label miss(assembler);
-  assembler->LoadIC(&p, &miss);
+  assembler->LoadIC(&p);
+}
 
-  assembler->Bind(&miss);
-  assembler->TailCallRuntime(Runtime::kLoadIC_Miss, context, receiver, name,
-                             slot, vector);
+void LoadGlobalICTrampolineStub::GenerateAssembly(
+    CodeStubAssembler* assembler) const {
+  if (!FLAG_new_load_global_ic) {
+    return LoadICTrampolineTFStub::GenerateAssembly(assembler);
+  }
+  typedef compiler::Node Node;
+
+  Node* name = assembler->Parameter(0);
+  Node* slot = assembler->Parameter(1);
+  Node* context = assembler->Parameter(2);
+  Node* vector = assembler->LoadTypeFeedbackVectorForStub();
+
+  CodeStubAssembler::LoadICParameters p(context, nullptr, name, slot, vector);
+  assembler->LoadGlobalIC(&p);
+}
+
+void LoadGlobalICStub::GenerateAssembly(CodeStubAssembler* assembler) const {
+  if (!FLAG_new_load_global_ic) {
+    return LoadICTFStub::GenerateAssembly(assembler);
+  }
+  typedef compiler::Node Node;
+
+  Node* name = assembler->Parameter(0);
+  Node* slot = assembler->Parameter(1);
+  Node* vector = assembler->Parameter(2);
+  Node* context = assembler->Parameter(3);
+
+  CodeStubAssembler::LoadICParameters p(context, nullptr, name, slot, vector);
+  assembler->LoadGlobalIC(&p);
 }
 
 void AllocateHeapNumberStub::GenerateAssembly(
     CodeStubAssembler* assembler) const {
   typedef compiler::Node Node;
 
   Node* result = assembler->AllocateHeapNumber();
   assembler->Return(result);
 }
 
@@ skipping 4250 matching lines @@
   if (type->Is(Type::UntaggedPointer())) {
     return Representation::External();
   }
 
   DCHECK(!type->Is(Type::Untagged()));
   return Representation::Tagged();
 }
 
 }  // namespace internal
 }  // namespace v8