[Mlir-commits] [mlir] Support folding of higher dimensional memeref subviews in XeGPUFoldAliasOps (PR #99593)

[Adam Siemieniuk]

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@@ -48,15 +50,51 @@ LogicalResult XegpuCreateNdDescOpSubViewOpFolder::matchAndRewrite(
     return rewriter.notifyMatchFailure(descOp, "not a subview producer");
   if (!subViewOp.hasUnitStride())
     return rewriter.notifyMatchFailure(descOp, "requires unit strides");
+  if (!subViewOp.getSource().getType().hasStaticShape())
+    return rewriter.notifyMatchFailure(descOp, "requires static shape");
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adam-smnk wrote:

Is this restriction necessary?
I think nd-descriptor supports dynamically shaped source.

https://github.com/llvm/llvm-project/pull/99593