[llvm] [LV] Add initial legality checks for loops with unbound loads. (PR #152422)

[Shih-Po Hung via llvm-commits]

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@@ -24414,6 +24414,10 @@ bool RISCVTargetLowering::isLegalSpeculativeLoad(EVT DataType,
   if (!isLegalElementTypeForRVV(ScalarType))
     return false;
 
+  if (!Subtarget.enableUnalignedVectorMem() &&
+      Alignment < ScalarType.getStoreSize())
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arcbbb wrote:

Added. Thanks!

https://github.com/llvm/llvm-project/pull/152422