[Mlir-commits] [mlir] [mlir][vector] Add alignment attribute to vector operations. (PR #152507)

[Mehdi Amini]

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@@ -2166,6 +2189,11 @@ def Vector_ScatterOp :
     correspond to those of the `llvm.masked.scatter`
     [intrinsic](https://llvm.org/docs/LangRef.html#llvm-masked-scatter-intrinsics).
 
+    An optional `alignment` attribute allows to specify the byte alignment of the
+    scatter operation. It must be a positive power of 2. The operation must access
+    memory at an address aligned to this boundary. Violations may lead to
+    architecture-specific faults or performance penalties.
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joker-eph wrote:

The violation is strangely defined here, why isn't this specified as UB?

https://github.com/llvm/llvm-project/pull/152507