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

[Florian Hahn 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) {
+; IF-EVL-LABEL: define void @truncate_to_minimal_bitwidths_widen_cast_recipe(
+; IF-EVL-SAME: ptr noalias [[DST:%.*]], ptr noalias [[SRC:%.*]], i32 [[MVX:%.*]]) #[[ATTR0]] {
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fhahn wrote:

Please move to a dedicated file with a descriptive name. The test file is already far too big

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