[llvm] [VPlan] Impl VPlan-based pattern match for ExtendedRed and MulAccRed (NFCI) (PR #113903)

[Elvis Wang via llvm-commits]

ElvisWang123 wrote:

> Hello. Let me upload some tests of examples that produce different results with this now. I think it might be that `add(sext(mul(sext, sext))` can be optimized to `add(zext(mul(sext, sext))` nowadays, or that there are multiple uses.

Thanks for your information.  I will fix the MulAcc pattern match for this pattern.

https://github.com/llvm/llvm-project/pull/113903