[llvm] AMDGPU: Disable pattern matching "x<<32-y>>32-y" to "bfe x, 0, y" (PR #114279)

[Changpeng Fang via llvm-commits]

changpeng wrote:

Right. 

> Filed #114282 for the missed optimization

Thanks. I am going to work on it.

https://github.com/llvm/llvm-project/pull/114279