[llvm-branch-commits] [llvm] [SelectionDAG][X86] Remove unused elements from atomic vector. (PR #125432)

[Matt Arsenault via llvm-branch-commits]

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@@ -60388,6 +60393,35 @@ static SDValue combineINTRINSIC_VOID(SDNode *N, SelectionDAG &DAG,
   return SDValue();
 }
 
+static SDValue combineVZEXT_LOAD(SDNode *N, SelectionDAG &DAG,
+                                 TargetLowering::DAGCombinerInfo &DCI) {
+  // Find the TokenFactor to locate the associated AtomicLoad.
+  SDNode *ALD = nullptr;
+  for (auto &TF : DAG.allnodes())
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arsenm wrote:

Looking at all nodes should never be necessary 

https://github.com/llvm/llvm-project/pull/125432