[llvm] [VPlan] Set flags when constructing zexts using VPWidenCastRecipe (PR #164198)

[Florian Hahn via llvm-commits]

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@@ -349,3 +350,61 @@ loop:
 exit:
   ret void
 }
+
+define void @simplified_cast_preserves_irflag_type(ptr %p, ptr %q, ptr %r) {
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fhahn wrote:

Could add noalias to avoid men checks I think

https://github.com/llvm/llvm-project/pull/164198