[Mlir-commits] [mlir] [mlir] Replace dynamic sizes in insert_slice of tensor.cast canonicalization (PR #91352)

[Han-Chung Wang]

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@@ -2711,15 +2711,38 @@ struct InsertSliceOpCastFolder final : public OpRewritePattern<InsertOpTy> {
     auto dstType = llvm::dyn_cast<RankedTensorType>(dst.getType());
     if (!srcType || !dstType)
       return failure();
+
+    // The tensor.cast source could have additional static information not seen
+    // in the insert slice op static sizes, so we ignore dynamic dims when
+    // computing the rank reduction mask.
+    SmallVector<int64_t> staticSizes(insertSliceOp.getStaticSizes());
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hanhanW wrote:

The values won't be modified, how about using `ArrayRef<int64_t>` here?

https://github.com/llvm/llvm-project/pull/91352