[IRGen] Defined TypeInfo for SwiftExecutor.

Author: nate-chandler

lib/IRGen/GenType.cpp

@@ -1481,6 +1481,20 @@ const TypeInfo &TypeConverter::getTaskContinuationFunctionPtrTypeInfo() {
   return *TaskContinuationFunctionPtrTI;
 }
 
+const TypeInfo &IRGenModule::getSwiftExecutorPtrTypeInfo() {
+  return Types.getSwiftExecutorPtrTypeInfo();
+}
+
+const TypeInfo &TypeConverter::getSwiftExecutorPtrTypeInfo() {
+  if (SwiftExecutorPtrTI) return *SwiftExecutorPtrTI;
+  SwiftExecutorPtrTI = createUnmanagedStorageType(IGM.SwiftExecutorPtrTy,
+                                                  ReferenceCounting::Unknown,
+                                                  /*isOptional*/ false);
+  SwiftExecutorPtrTI->NextConverted = FirstType;
+  FirstType = SwiftExecutorPtrTI;
+  return *SwiftExecutorPtrTI;
+}
+
 const LoadableTypeInfo &
 IRGenModule::getReferenceObjectTypeInfo(ReferenceCounting refcounting) {
   switch (refcounting) {

lib/IRGen/GenType.h

@@ -107,6 +107,7 @@ class TypeConverter {
   const TypeInfo *TypeMetadataPtrTI = nullptr;
   const TypeInfo *SwiftContextPtrTI = nullptr;
   const TypeInfo *TaskContinuationFunctionPtrTI = nullptr;
+  const TypeInfo *SwiftExecutorPtrTI = nullptr;
   const TypeInfo *ObjCClassPtrTI = nullptr;
   const LoadableTypeInfo *EmptyTI = nullptr;
   const LoadableTypeInfo *IntegerLiteralTI = nullptr;
@@ -185,6 +186,7 @@ class TypeConverter {
   const TypeInfo &getTypeMetadataPtrTypeInfo();
   const TypeInfo &getSwiftContextPtrTypeInfo();
   const TypeInfo &getTaskContinuationFunctionPtrTypeInfo();
+  const TypeInfo &getSwiftExecutorPtrTypeInfo();
   const TypeInfo &getObjCClassPtrTypeInfo();
   const LoadableTypeInfo &getWitnessTablePtrTypeInfo();
   const LoadableTypeInfo &getEmptyTypeInfo();

lib/IRGen/IRGenModule.h

@@ -895,6 +895,7 @@ class IRGenModule {
   const TypeInfo &getTypeMetadataPtrTypeInfo();
   const TypeInfo &getSwiftContextPtrTypeInfo();
   const TypeInfo &getTaskContinuationFunctionPtrTypeInfo();
+  const TypeInfo &getSwiftExecutorPtrTypeInfo();
   const TypeInfo &getObjCClassPtrTypeInfo();
   const LoadableTypeInfo &getOpaqueStorageTypeInfo(Size size, Alignment align);
   const LoadableTypeInfo &