chore: import upstream snapshot with attribution

paddle/pir/include/dialect/shape/interface/infer_symbolic_shape/cache_grad_op_symbolic_shape.h

@@ -0,0 +1,61 @@
+// Copyright (c) 2024 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 "paddle/pir/include/dialect/shape/utils/shape_analysis.h"
+
+// The CacheGradOpSymbolicShapeInterface is used by forward operators to cache
+// the symbolic shape information of the corresponding backward operators in the
+// computational graph. With this interface, most backward operators do not need
+// to implement the `InferSymbolicShapeInterface`.
+
+namespace pir {
+
+class CacheGradOpSymbolicShapeInterface
+    : public pir::OpInterfaceBase<CacheGradOpSymbolicShapeInterface> {
+ public:
+  /// Defined these methods with the interface.
+  struct Concept {
+    explicit Concept(void (*cache_grad_op_symbolic_shape)(
+        pir::Operation *op, pir::InferSymbolicShapeContext *infer_context))
+        : cache_grad_op_symbolic_shape(cache_grad_op_symbolic_shape) {}
+    void (*cache_grad_op_symbolic_shape)(
+        pir::Operation *op, pir::InferSymbolicShapeContext *infer_context);
+  };
+
+  template <class ConcreteOp>
+  struct Model : public Concept {
+    static inline void CacheGradOpSymbolicShape(
+        pir::Operation *op, pir::InferSymbolicShapeContext *infer_context) {
+      return op->dyn_cast<ConcreteOp>().CacheGradOpSymbolicShape(infer_context);
+    }
+
+    Model() : Concept(CacheGradOpSymbolicShape) {}
+  };
+
+  /// Constructor
+  CacheGradOpSymbolicShapeInterface(const pir::Operation *op, Concept *impl)
+      : pir::OpInterfaceBase<CacheGradOpSymbolicShapeInterface>(op),
+        impl_(impl) {}
+
+  void CacheGradOpSymbolicShape(pir::InferSymbolicShapeContext *infer_context);
+
+ private:
+  Concept *impl_;
+};
+
+}  // namespace pir
+
+IR_DECLARE_EXPLICIT_TYPE_ID(pir::CacheGradOpSymbolicShapeInterface)

paddle/pir/include/dialect/shape/interface/infer_symbolic_shape/infer_symbolic_shape.h

@@ -0,0 +1,62 @@
+// 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 "paddle/pir/include/dialect/shape/utils/shape_analysis.h"
+
+// Type inference is currently modelled executionally for operation creation
+// using the `InferMetaInterface`. While `InferSymbolicShapeInterface` is used
+// to implement the shape and element type inference. The return type can often
+// be deduced from the deduced return shape and elemental type (queryable from
+// `InferSymbolicShapeInterface`) and so type inference for tensor types can be
+// implemented with `InferSymbolicShapeInterface`.
+
+namespace pir {
+
+class InferSymbolicShapeInterface
+    : public pir::OpInterfaceBase<InferSymbolicShapeInterface> {
+ public:
+  /// Defined these methods with the interface.
+  struct Concept {
+    explicit Concept(bool (*infer_symbolic_shapes)(
+        pir::Operation *op, pir::InferSymbolicShapeContext *infer_context))
+        : infer_symbolic_shapes(infer_symbolic_shapes) {}
+    bool (*infer_symbolic_shapes)(
+        pir::Operation *op, pir::InferSymbolicShapeContext *infer_context);
+  };
+
+  template <class ConcreteOp>
+  struct Model : public Concept {
+    static inline bool InferSymbolicShape(
+        pir::Operation *op, pir::InferSymbolicShapeContext *infer_context) {
+      return op->dyn_cast<ConcreteOp>().InferSymbolicShape(infer_context);
+    }
+
+    Model() : Concept(InferSymbolicShape) {}
+  };
+
+  /// Constructor
+  InferSymbolicShapeInterface(const pir::Operation *op, Concept *impl)
+      : pir::OpInterfaceBase<InferSymbolicShapeInterface>(op), impl_(impl) {}
+
+  bool InferSymbolicShape(pir::InferSymbolicShapeContext *infer_context);
+
+ private:
+  Concept *impl_;
+};
+
+}  // namespace pir
+
+IR_DECLARE_EXPLICIT_TYPE_ID(pir::InferSymbolicShapeInterface)