[llvm] [LV][EVL] Generate negative strided load/store for reversed load/store (PR #123608)

[Florian Hahn via llvm-commits]

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@@ -340,6 +340,10 @@ static cl::opt<bool>
                            cl::desc("Prefer in-loop vector reductions, "
                                     "overriding the targets preference."));
 
+cl::opt<bool> PreferStridedLoadStore("prefer-strided-load-store",
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fhahn wrote:

Why do we need a flag? Is it not sufficient for targets to indicate that they should use strided loads?

https://github.com/llvm/llvm-project/pull/123608