[llvm] [LV] Allow partial reductions with an extended bin op (PR #165536)

[Florian Hahn via llvm-commits]

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@@ -2123,6 +2123,512 @@ for.exit:                        ; preds = %for.body
   ret i32 %result
 }
 
+define i32 @dotp_ext_mul(i64 %n, ptr %a, i8 %b) {
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fhahn wrote:

I think it might make sense to split up the file, as it s getting quite big. We probably also do not need to check for all possible combinations for all tests, especially the negative ones

https://github.com/llvm/llvm-project/pull/165536