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

[Sam Tebbs via llvm-commits]

================
@@ -1971,6 +1971,48 @@ bool AArch64TargetLowering::shouldExpandGetActiveLaneMask(EVT ResVT,
   return false;
 }
 
+bool AArch64TargetLowering::shouldExpandPartialReductionIntrinsic(
+    const CallInst *CI) const {
+
+  auto *I = dyn_cast<IntrinsicInst>(CI);
+  assert(I && "shouldExpandPartialReductionIntrinsic expects an intrinisc");
----------------
SamTebbs33 wrote:

Yeah that sounds good to me. Done.

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