chore: import upstream snapshot with attribution

test/cpp/pir/tools/test_trait.cc

@@ -0,0 +1,32 @@
+// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#include "test/cpp/pir/tools/test_trait.h"
+#include "glog/logging.h"
+
+#include "paddle/common/enforce.h"
+
+namespace test {
+void OneRegionTrait::Verify(pir::Operation *op) {
+  VLOG(1) << "here";
+  PADDLE_ENFORCE_EQ(op->num_regions(),
+                    1u,
+                    common::errors::InvalidArgument(
+                        "%s op has one region trait, but its region size is %u",
+                        op->name(),
+                        op->num_regions()));
+}
+}  // namespace test
+
+IR_DEFINE_EXPLICIT_TYPE_ID(test::ReadOnlyTrait)
+IR_DEFINE_EXPLICIT_TYPE_ID(test::OneRegionTrait)