[llvm] [RISCV] Match (ext (op a, b)) to (wop a, b) (PR #137508)

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Sun Apr 27 03:39:03 PDT 2025

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NexMing wrote:

If there is a risk of overflow, is it correct to match `(ext (op a, b))` to `(wop a, b)`?

https://github.com/llvm/llvm-project/pull/137508

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