[llvm] [DAGCombiner] Limit EXTRACT(SETCC) combines in scalarizeExtractedBinOp to i1 types (PR #123071)

[Matt Arsenault via llvm-commits]

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@@ -22809,7 +22809,8 @@ static SDValue scalarizeExtractedBinOp(SDNode *ExtElt, SelectionDAG &DAG,
 
   EVT ResVT = ExtElt->getValueType(0);
   if (Opc == ISD::SETCC &&
-      (ResVT != Vec.getValueType().getVectorElementType() || LegalTypes))
+      (ResVT != Vec.getValueType().getVectorElementType() || ResVT != MVT::i1 ||
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arsenm wrote:

Just check TLI.getBooleanContents?

https://github.com/llvm/llvm-project/pull/123071