Set deepcopy (#2738)

* Add deepcopy for sets

* Update is_llvm_struct

Author: advikkabra

src/libasr/codegen/llvm_utils.cpp

@@ -1947,6 +1947,11 @@ namespace LCompilers {
                 dict_api->dict_deepcopy(src, dest, dict_type, module, name2memidx);
                 break ;
             }
+            case ASR::ttypeType::Set: {
+                ASR::Set_t *set_type = ASR::down_cast<ASR::Set_t>(asr_type);
+                set_api->set_deepcopy(src, dest, set_type, module, name2memidx);
+                break;
+            }
             case ASR::ttypeType::StructType: {
                 ASR::StructType_t* struct_t = ASR::down_cast<ASR::StructType_t>(asr_type);
                 ASR::Struct_t* struct_type_t = ASR::down_cast<ASR::Struct_t>(

src/libasr/codegen/llvm_utils.h

@@ -183,7 +183,8 @@ namespace LCompilers {
                    ASR::is_a<ASR::List_t>(*asr_type) ||
                    ASR::is_a<ASR::StructType_t>(*asr_type) ||
                    ASR::is_a<ASR::Class_t>(*asr_type)||
-                   ASR::is_a<ASR::Dict_t>(*asr_type);
+                   ASR::is_a<ASR::Dict_t>(*asr_type) ||
+                   ASR::is_a<ASR::Set_t>(*asr_type);
         }
         static inline bool is_llvm_pointer(const ASR::ttype_t& asr_type) {
             return ( ASR::is_a<ASR::Pointer_t>(asr_type) ||