chore: import upstream snapshot with attribution

paddle/pir/include/core/interface_value.h

@@ -0,0 +1,81 @@
+// 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.
+
+#pragma once
+
+#include <memory>
+#include <set>
+#include <type_traits>
+
+#include "paddle/pir/include/core/type_id.h"
+#include "paddle/pir/include/core/utils.h"
+
+namespace pir {
+
+class IR_API InterfaceValue {
+ public:
+  template <typename Interface, typename Model>
+  static InterfaceValue Get();
+  TypeId type_id() const { return type_id_; }
+  void *model() const { return model_.get(); }
+
+  InterfaceValue() = default;
+  InterfaceValue(TypeId type_id) : type_id_(type_id) {}  // NOLINT
+  InterfaceValue(const InterfaceValue &) = delete;
+  InterfaceValue(InterfaceValue &&) noexcept;
+  InterfaceValue &operator=(const InterfaceValue &) = delete;
+  InterfaceValue &operator=(InterfaceValue &&) noexcept;
+  ~InterfaceValue() = default;
+  void swap(InterfaceValue &&val) {
+    using std::swap;
+    swap(type_id_, val.type_id_);
+    swap(model_, val.model_);
+  }
+
+  ///
+  /// \brief Comparison operations.
+  ///
+  inline bool operator<(const InterfaceValue &other) const {
+    return type_id_ < other.type_id_;
+  }
+
+ private:
+  TypeId type_id_;
+  std::unique_ptr<void, decltype(static_cast<void (*)(void *)>(free))> model_{
+      nullptr, static_cast<void (*)(void *)>(free)};
+};
+
+template <typename Interface, typename Model>
+InterfaceValue InterfaceValue::Get() {
+  InterfaceValue val;
+  val.type_id_ = TypeId::get<Interface>();
+  static_assert(std::is_base_of<typename Interface::Concept, Model>::value,
+                "Model must derived from corresponding Interface Concept.");
+  static_assert(
+      sizeof(typename Interface::Concept) == sizeof(Model),
+      "Compared with Concept, Model class shouldn't define new data members");
+
+  void *model_raw = malloc(sizeof(Model));
+  if (model_raw == nullptr) {
+    throw("Alloc memory for interface failed.");
+  }
+  static_assert(std::is_trivially_destructible<Model>::value,
+                "interface models must be trivially destructible");
+  new (model_raw) Model();
+  val.model_.reset(model_raw);
+  return val;
+}
+
+using InterfaceSet = std::set<InterfaceValue>;
+}  // namespace pir