[Mlir-commits] [mlir] [MLIR][XeGPU] Add support for elementwise ops in Wg to Sg distribute pass [1/N] (PR #142797)

[Chao Chen]

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@@ -314,6 +317,90 @@ struct WgToSgPrefetchNdOp : public OpConversionPattern<xegpu::PrefetchNdOp> {
   }
 };
 
+// This pattern transforms elementwise ops (unary/binary) in math/arith dialect
+template <typename Op>
+struct WgToSgElementwiseOp : public OpConversionPattern<Op> {
+  using OpConversionPattern<Op>::OpConversionPattern;
+  using OneToNOpAdaptor = typename OpConversionPattern<Op>::OneToNOpAdaptor;
+
+  LogicalResult
+  matchAndRewrite(Op op, OneToNOpAdaptor adaptor,
+                  ConversionPatternRewriter &rewriter) const override {
+    // All operands/results must be 1D or 2D vectors
+    auto resultType = dyn_cast<VectorType>(op.getResult().getType());
+    if (!resultType || (resultType.getRank() != 1 && resultType.getRank() != 2))
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chencha3 wrote:

I don't think we need this restriction since we have generalized create_nd to support nD 

https://github.com/llvm/llvm-project/pull/142797