[llvm] [DAG] Reducing instructions by better legalization handling of AVGFLOORU for i128 data types (PR #99913)

[Simon Pilgrim via llvm-commits]

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@@ -9353,23 +9352,23 @@ SDValue TargetLowering::expandAVG(SDNode *N, SelectionDAG &DAG) const {
     }
   }
 
-  if (Opc == ISD::AVGFLOORU && SVT == MVT::i128) {
+  if (VT.isScalarInteger() && !isTypeLegal(VT)) {
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RKSimon wrote:

Still need the `Opc == ISD::AVGFLOORU` check

https://github.com/llvm/llvm-project/pull/99913