[llvm] [SDAG][ISel][TableGen][LoongArch] Report error for trivial bitcasts when there are predicate calls (PR #116075)

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https://github.com/wangleiat approved this pull request.

LGTM, thanks! Could you share how you discovered this issue? Also, can this patch be cherry-picked to 19?

https://github.com/llvm/llvm-project/pull/116075