[llvm] [LoopInterchange] Reject interchange if non-reassociative reduction exists (PR #148612)

[Ryotaro Kasuga via llvm-commits]

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@@ -38,7 +38,7 @@ for.body3:                                        ; preds = %L2, %for.inc
   %idxprom4 = sext i32 %k1.03 to i64
   %arrayidx5 = getelementptr inbounds [5 x i32], ptr %arrayidx, i64 0, i64 %idxprom4
   %0 = load i32, ptr %arrayidx5
-  %add = add nsw i32 %temp.12, %0
+  %add = add i32 %temp.12, %0
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kasuga-fj wrote:

It seems that this test was originally incorrect.

https://github.com/llvm/llvm-project/pull/148612