[llvm] [LAA][NFC] Refactor deref no-wrap check; expose broken reverse-loop bounds (PR #211960)

[Florian Hahn via llvm-commits]

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@@ -0,0 +1,94 @@
+; RUN: opt -passes='print<access-info>' -disable-output %s 2>&1 | FileCheck %s
+
+; Reverse i32 loop over 4 elements whose access range exactly fills the
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fhahn wrote:

```suggestion
; Reverse loop loading 4 i32 elements whose access range exactly fills the
```

https://github.com/llvm/llvm-project/pull/211960