[llvm] [DAGCombiner] Add support for scalarising extracts of a vector setcc (PR #116031)

[Paul Walker via llvm-commits]

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@@ -22743,19 +22743,15 @@ SDValue DAGCombiner::scalarizeExtractedVectorLoad(SDNode *EVE, EVT InVecVT,
 
 /// Transform a vector binary operation into a scalar binary operation by moving
 /// the math/logic after an extract element of a vector.
-static SDValue scalarizeExtractedBinop(SDNode *ExtElt, SelectionDAG &DAG,
-                                       const SDLoc &DL, bool LegalOperations) {
-  const TargetLowering &TLI = DAG.getTargetLoweringInfo();
+static bool scalarizeExtractedBinOpCommon(SDNode *ExtElt, SelectionDAG &DAG,
+                                          const SDLoc &DL, bool IsSetCC,
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paulwalker-arm wrote:

`IsSetCC` is unused?

https://github.com/llvm/llvm-project/pull/116031