[llvm] [AMDGPU] prevent shrinking udiv/urem if either operand is in (SignedMax,UnsignedMax] (PR #116733)

[Joseph Huber via llvm-commits]

jhuber6 wrote:

> Could it possibly be smoker tester error? I think this change just resulting in less optimized udiv/drem

I's guess not because the failures are consistent and started just after this PR. I'll confirm later once I finish up something.

https://github.com/llvm/llvm-project/pull/116733