[ic] Split LoadIC into LoadGlobalIC and LoadIC.

src/interface-descriptors.cc

Index: src/interface-descriptors.cc
diff --git a/src/interface-descriptors.cc b/src/interface-descriptors.cc
index d18dacc2631b3904a9e0cad0cf3b00239572baf3..29c8c7229c7f14692203ab991e194ea084330ed2 100644
--- a/src/interface-descriptors.cc
+++ b/src/interface-descriptors.cc
@@ -97,6 +97,24 @@ void LoadDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+FunctionType* LoadGlobalDescriptor::BuildCallInterfaceDescriptorFunctionType(
+    Isolate* isolate, int paramater_count) {
+  Zone* zone = isolate->interface_descriptor_zone();
+  FunctionType* function =
+      Type::Function(AnyTagged(zone), Type::Undefined(), 3, zone)->AsFunction();
+  function->InitParameter(0, AnyTagged(zone));
+  function->InitParameter(1, SmiType(zone));
+  function->InitParameter(2, AnyTagged(zone));
+  return function;
+}
+
+void LoadGlobalDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {LoadWithVectorDescriptor::NameRegister(),
+                          LoadWithVectorDescriptor::SlotRegister(),
+                          LoadWithVectorDescriptor::VectorRegister()};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
 
 void StoreDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {