[Mlir-commits] [mlir] [mlir][linalg] Propagate filter tensor encoding in im2col (PR #160099)

[Andrzej Warzyński]

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@@ -560,11 +572,17 @@ rewriteInIm2Col(RewriterBase &rewriter, linalg::Conv2DNhwcFhwcOp convOp) {
 
   Location loc = convOp.getLoc();
 
+  if (!isa<RankedTensorType>(filterType))
+    return rewriter.notifyMatchFailure(
+        convOp, "expected filter type to be a ranked tensor");
+  auto tensorFilterType = cast<RankedTensorType>(filterType);
+
   // Reshape output and filter to the LHS and result of a "row-wise" matrix
   // multiplication.
   SmallVector<ReassociationIndices> filterReassocIndices = {{0}, {1, 2, 3}};
   auto reshapedFilterType =
-      RankedTensorType::get({oc, fh * fw * ic}, filterType.getElementType());
+      RankedTensorType::get({oc, fh * fw * ic}, filterType.getElementType(),
+                            tensorFilterType.getEncoding());
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banach-space wrote:

Is this change tested?

https://github.com/llvm/llvm-project/pull/160099