[llvm] [AArch64] Lower partial add reduction to udot or svdot (PR #101010)

[Sam Tebbs via llvm-commits]

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@@ -3533,6 +3533,36 @@ AArch64TTIImpl::getCostOfKeepingLiveOverCall(ArrayRef<Type *> Tys) {
   return Cost;
 }
 
+bool AArch64TTIImpl::isPartialReductionSupported(
+    const Instruction *ReductionInstr, Type *InputType, unsigned ScaleFactor,
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SamTebbs33 wrote:

That's correct, thanks for spotting that. It's not used in this PR but is used by the loop vectorizer part of this work, so I'll move it to that PR.

https://github.com/llvm/llvm-project/pull/101010