[llvm] [Scalarizer] Ensure valid VectorSplits for each struct element in `visitExtractValueInst` (PR #128538)

[Deric Cheung via llvm-commits]

================
@@ -1081,6 +1081,17 @@ define <4 x half> @call_v4f16(<4 x half> %a, <4 x half> %b) {
   ret <4 x half> %r
 }
 
+define <3 x i32> @call_v3i32(<3 x i32> %a, <3 x i32> %b) {
+; CHECK-LABEL: @call_v3i32(
+; CHECK-NEXT:    [[T:%.*]] = call { <3 x i32>, <3 x i1> } @llvm.uadd.with.overflow.v3i32(<3 x i32> [[A:%.*]], <3 x i32> [[B:%.*]])
----------------
Icohedron wrote:

Sure

https://github.com/llvm/llvm-project/pull/128538