[stubs] Port LoadFieldStub to TF

src/ic/accessor-assembler.cc

Index: src/ic/accessor-assembler.cc
diff --git a/src/ic/accessor-assembler.cc b/src/ic/accessor-assembler.cc
index fda39f21b2adce5a4b938bb859157bbc667fde07..0b71340c53d0ff08fd56f8a3d5ffdd14a5c16b1b 100644
--- a/src/ic/accessor-assembler.cc
+++ b/src/ic/accessor-assembler.cc
@@ -1654,6 +1654,24 @@ void AccessorAssemblerImpl::GenerateLoadICProtoArray(
   LoadICProtoArray(&p, handler, throw_reference_error_if_nonexistent);
 }
 
+void AccessorAssemblerImpl::GenerateLoadField() {
+  typedef LoadFieldStub::Descriptor Descriptor;
+
+  Node* receiver = Parameter(Descriptor::kReceiver);
+  Node* name = nullptr;
+  Node* slot = nullptr;
+  Node* vector = nullptr;
+  Node* context = Parameter(Descriptor::kContext);
+  LoadICParameters p(context, receiver, name, slot, vector);
+
+  Label miss(this);
+  HandleLoadICSmiHandlerCase(&p, receiver, Parameter(Descriptor::kSmiHandler),
+                             &miss, kOnlyProperties);

[Igor Sheludko, 2016/12/22 15:48:14]

I think we should pass nullptr instead of miss label because we never jump to it
when kOnlyProperties is provided. Unused labels make CSA unhappy.

And please remove the new abort reason.

[danno, 2016/12/28 16:14:14]

Done.

+  Bind(&miss);
+  Node* reason = SmiConstant(Smi::FromInt(kUnsupportedSmiHandler));
+  TailCallRuntime(Runtime::kAbort, context, reason);
+}
+
 void AccessorAssemblerImpl::GenerateLoadGlobalIC(TypeofMode typeof_mode) {
   typedef LoadGlobalICStub::Descriptor Descriptor;