[Mlir-commits] [mlir] [mlir][ArmSME] Switch to an attribute-based tile allocation scheme (PR #73253)

[Andrzej Warzyński]

================
@@ -21,6 +21,99 @@ include "mlir/Interfaces/SideEffectInterfaces.td"
 include "mlir/Dialect/LLVMIR/LLVMOpBase.td"
 include "mlir/Interfaces/InferTypeOpInterface.td"
 
+//===----------------------------------------------------------------------===//
+// ArmSME op interfaces
+//===----------------------------------------------------------------------===//
+
+def ArmSMETileType : I32EnumAttr<"ArmSMETileType", "Arm SME tile type",
+    [
+      I32EnumAttrCase<"ZAB", 0, "za.b">,
+      I32EnumAttrCase<"ZAH", 1, "za.h">,
+      I32EnumAttrCase<"ZAS", 2, "za.s">,
+      I32EnumAttrCase<"ZAD", 3, "za.d">,
+      I32EnumAttrCase<"ZAQ", 4, "za.q">,
+    ]>{
+  let cppNamespace = "mlir::arm_sme";
+  let genSpecializedAttr = 0;
+}
+
+def ArmSMETileOpInterface : OpInterface<"ArmSMETileOpInterface"> {
+  let description = [{
+    An interface for operations that use or allocate Arm SME tiles. These
+    operations need to be assigned a tile ID an i32 attribute, which specifies
----------------
banach-space wrote:

```suggestion
    operations need to be assigned a tile ID, an i32 attribute, which specifies
```

https://github.com/llvm/llvm-project/pull/73253