[llvm] [VPlan] Handle VPWidenCastRecipe without underlying value in EVL transform (PR #120194)

[Luke Lau via llvm-commits]

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@@ -1058,6 +1058,125 @@ loop:
 exit:
   ret void
 }
+
+define void @truncate_to_minimal_bitwidths_widen_cast_recipe(ptr noalias %dst, ptr noalias %src, i32 %mvx) {
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lukel97 wrote:

I was under the impression that we preferred noalias to avoid the memcheck block if we weren't explicitly testing for it? E.g. I remember seeing #107225 do it as a cleanup

https://github.com/llvm/llvm-project/pull/120194