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

[Jakub Kuderski]

================
@@ -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.
----------------
kuhar wrote:

I think immediate UB is more suitable since using aligned loads on unaligned pointers is known to crash on some architectures

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