[llvm] [SelectionDAG] Optimize unaligned load stores to realign after offset (PR #145309)

[Acthinks Yang via llvm-commits]

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@@ -50,27 +50,28 @@ struct MachinePointerInfo {
 
   uint8_t StackID;
 
+  const Value *OrgV;
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Acthinks wrote:

OK, so we can do this because we know for sure that CtxI is not an assume instruction?

https://github.com/llvm/llvm-project/pull/145309