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

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> Could you share how you discovered this issue? 

I discovered this issue with [a modified version of csmith](https://github.com/dtcxzyw/csmith) running on a Loongson-3A5000-based machine.

> Also, can this patch be cherry-picked to 19?

Sure.


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