[llvm-branch-commits] [llvm] [LoongArch][DAGCombiner] Combine vxor (vand ..) to vandn (PR #161037)

[via llvm-branch-commits]

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@@ -4960,6 +5040,9 @@ static SDValue performANDCombine(SDNode *N, SelectionDAG &DAG,
   if (!Subtarget.has32S())
     return SDValue();
 
+  if (SDValue R = combineAndNotIntoVANDN(N, DL, DAG))
+    return R;
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heiher wrote:

`combineAndNotIntoVANDN` doesn't depend on the `32s` feature, so this check should be moved above the `has32S` guard.

https://github.com/llvm/llvm-project/pull/161037