[llvm] [LV] Add support for partial reductions without a binary op (PR #133922)

[David Sherwood via llvm-commits]

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@@ -2108,6 +2108,97 @@ for.exit:                        ; preds = %for.body
   ret i32 %result
 }
 
+define i32 @zext_add_reduc_i8_i32(ptr %a) {
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david-arm wrote:

Done. I've also moved the non-dot-product tests from partial-reduce-dot-product.ll to a new partial-reduce.ll file.

https://github.com/llvm/llvm-project/pull/133922