[Mlir-commits] [mlir] [mlir][Arith] Fix crash when folding operations with dynamic-shaped tensors (PR #178428)

llvmlistbot at llvm.org llvmlistbot at llvm.org
Wed Jan 28 06:13:36 PST 2026


mugiwaraluffy56 wrote:

Hi @kuhar, could you please review this fix when you have a chance?

This PR addresses issue #178415 where `mlir-opt` crashes with an assertion failure when folding arith operations with dynamic-shaped tensors. The fix adds checks to return early (skip folding) when the result type has a dynamic shape, since `DenseElementsAttr::get` requires a static shape.

Thanks!

https://github.com/llvm/llvm-project/pull/178428


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