[llvm] [DA] Rewrite BanerjeeMIV test with safe APInt interval arithmetic (PR #207662)

[Ryotaro Kasuga via llvm-commits]

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kasuga-fj wrote:

If truncation occurs here, that would indicate that something has gone wrong, right? If so, use `getNoopOrSignExtend` instead.

https://github.com/llvm/llvm-project/pull/207662