[llvm] [DAGCombine] Freeze after load is scalarized. (PR #212587)

[Matt Arsenault via llvm-commits]

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@@ -25926,6 +25926,12 @@ SDValue DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) {
   if (!LegalOperations || !IndexC)
     return SDValue();
 
+  bool IsFrozen = false;
+  if (VecOp.getOpcode() == ISD::FREEZE && VecOp.hasOneUse()) {
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arsenm wrote:

I'm not sure why this needs the multiple use check 

https://github.com/llvm/llvm-project/pull/212587