[Mlir-commits] [mlir] [mlir][Ptr] Add the `MemorySpaceAttrInterface` interface and dependencies. (PR #86870)

[Fabian Mora]

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@@ -0,0 +1,142 @@
+//===-- MemorySpaceInterfaces.td - Memory space interfaces ----------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines memory space attribute interfaces.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef PTR_MEMORYSPACEINTERFACES
+#define PTR_MEMORYSPACEINTERFACES
+
+include "mlir/IR/AttrTypeBase.td"
+include "mlir/IR/OpBase.td"
+
+//===----------------------------------------------------------------------===//
+// Memory space attribute interface.
+//===----------------------------------------------------------------------===//
+
+def MemorySpaceAttrInterface : AttrInterface<"MemorySpaceAttrInterface"> {
+  let description = [{
+    This interface defines a common API for interacting with the memory model of
+    a memory space and the operations in the pointer dialect, giving proper
+    semantical meaning to the ops.
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fabianmcg wrote:

For example, for a read only space, `ptr.store` will error at verification, thus, in the end the attribute influences the op. However, I'll come up with a different description.

https://github.com/llvm/llvm-project/pull/86870