[Mlir-commits] [mlir] [MLIR][XeGPU] XeVM lowering support for load_matrix/store_matrix (PR #162780)

[Charitha Saumya]

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@@ -504,6 +509,147 @@ class LoadStoreToXeVMPattern : public OpConversionPattern<OpType> {
   }
 };
 
+// Lower xegpu::CreateMemDescOp to memref::ViewOp. Since SLM access instructions
+// on Xe2 and Xe3 operate on 32-bit or 64-bit units, all data types smaller than
+// 32 bits will be converted to 32 bits.
+class CreateMemDescOpPattern final
+    : public OpConversionPattern<xegpu::CreateMemDescOp> {
+public:
+  using OpConversionPattern<xegpu::CreateMemDescOp>::OpConversionPattern;
+  LogicalResult
+  matchAndRewrite(xegpu::CreateMemDescOp op, OpAdaptor adaptor,
+                  ConversionPatternRewriter &rewriter) const override {
+
+    auto resTy = cast<xegpu::MemDescType>(op.getResult().getType());
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charithaintc wrote:

why to use `getType` directly?

https://github.com/llvm/llvm-project/pull/162780