[Mlir-commits] [mlir] [mlir][vector] Implement lowering for 1D vector.deinterleave operations (PR #93042)

[Benjamin Maxwell]

================
@@ -1761,6 +1761,65 @@ struct VectorInterleaveOpLowering
   }
 };
 
+/// Conversion pattern for a `vector.deinterleave`.
+/// This supports for fixed-sized vectors and scalable vectors.
+struct VectorDeinterleaveOpLowering
+    : public ConvertOpToLLVMPattern<vector::DeinterleaveOp> {
+  using ConvertOpToLLVMPattern::ConvertOpToLLVMPattern;
+
+  LogicalResult
+  matchAndRewrite(vector::DeinterleaveOp deinterleaveOp, OpAdaptor adaptor,
+                  ConversionPatternRewriter &rewriter) const override {
+    VectorType resultType = deinterleaveOp.getResultVectorType();
+    VectorType sourceType = deinterleaveOp.getSourceVectorType();
+    auto loc = deinterleaveOp.getLoc();
+
+    if (resultType.getRank() != 1)
+      return rewriter.notifyMatchFailure(deinterleaveOp,
+                                         "deinterleaveOp not rank 1");
----------------
MacDue wrote:

nit:
```suggestion
                                         "DeinterleaveOp not rank 1");
```

https://github.com/llvm/llvm-project/pull/93042