[llvm-branch-commits] [llvm] [SelectionDAG] Split vector types for atomic load (PR #165818)

[Matt Arsenault via llvm-branch-commits]

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@@ -2202,6 +2205,40 @@ void DAGTypeLegalizer::SplitVecRes_VP_SPLAT(SDNode *N, SDValue &Lo,
   Hi = DAG.getNode(N->getOpcode(), dl, HiVT, N->getOperand(0), MaskHi, EVLHi);
 }
 
+void DAGTypeLegalizer::SplitVecRes_ATOMIC_LOAD(AtomicSDNode *LD, SDValue &Lo,
+                                               SDValue &Hi) {
+  assert(LD->getExtensionType() == ISD::NON_EXTLOAD &&
+         "Extended load during type legalization!");
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arsenm wrote:

Wouldn't this just be a matter of passing through the extension type instead of hardcoding NON_EXTLOAD below? 

https://github.com/llvm/llvm-project/pull/165818