[Mlir-commits] [mlir] [MLIR][XeGPU] Promote memref.alloca to SLM in convert-vector-to-xegpu (PR #197978)

[Igor Zamyatin]

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@@ -946,9 +947,86 @@ struct ContractionLowering : public OpRewritePattern<vector::ContractionOp> {
   }
 };
 
+// Returns `memrefTy` with its memory space replaced by `newMemSpace`.
+static MemRefType withMemorySpace(MemRefType memrefTy, Attribute newMemSpace) {
+  return MemRefType::get(memrefTy.getShape(), memrefTy.getElementType(),
+                         memrefTy.getLayout(), newMemSpace);
+}
+
+// Rewrite every `memref.alloca` not already in shared local memory (SLM) to
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Garra1980 wrote:

Is it "safe" to do this for **every** memref.alloca?

https://github.com/llvm/llvm-project/pull/197978