[llvm-branch-commits] [llvm] [SelectionDAG] Widen <2 x T> vector types for atomic store (PR #197618)

[Matt Arsenault via llvm-branch-commits]

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@@ -8061,6 +8064,59 @@ SDValue DAGTypeLegalizer::WidenVecOp_STORE(SDNode *N) {
   report_fatal_error("Unable to widen vector store");
 }
 
+/// Inverse of coerceLoadedValue: pull a FirstVT-sized scalar/vector out of the
+/// widened value so it can be issued in a single atomic store.
+static SDValue coerceStoredValue(SDValue StVal, EVT FirstVT, EVT WidenVT,
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arsenm wrote:

Can you move this to be next to coerceLoadedValue

https://github.com/llvm/llvm-project/pull/197618