[polly] [Polly] Data flow reduction detection to cover more cases (PR #84901)

[Michael Kruse via llvm-commits]

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@@ -2568,49 +2579,196 @@ bool checkCandidatePairAccesses(MemoryAccess *LoadMA, MemoryAccess *StoreMA,
     // Finally, check if they are no other instructions accessing this memory
     isl::map AllAccsRel = LoadAccs.unite(StoreAccs);
     AllAccsRel = AllAccsRel.intersect_domain(Domain);
+
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Meinersbur wrote:

Please avoid unrelated whitespace changes

https://github.com/llvm/llvm-project/pull/84901