[llvm] [DependenceAnalysis] Fix incorrect analysis of wrapping AddRec expressions (PR #154982)

[Ryotaro Kasuga via llvm-commits]

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@@ -6439,8 +6439,129 @@ void ScalarEvolution::setNoWrapFlags(SCEVAddRecExpr *AddRec,
   }
 }
 
-ConstantRange ScalarEvolution::
-getRangeForUnknownRecurrence(const SCEVUnknown *U) {
+std::optional<bool>
+ScalarEvolution::mayAddRecWrap(const SCEVAddRecExpr *AddRec) {
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kasuga-fj wrote:

This function doesn't make sense. At the very least ,please read the semantics of `NoWrapFlags`  in the ScalarEvolution.h

https://github.com/llvm/llvm-project/pull/154982