[llvm] [LoopFusion] Emit optimization remarks regardless of statistics (PR #202012)

[Madhur Amilkanthwar via llvm-commits]

madhur13490 wrote:

> I don't like the use of ALWAYS_ENABLED_STATISTIC for this. 

Can you please explain why you don't like it? FWIW, I don't see *any* use of these macros in the code and this is the first patch to use so. If they are unusable, should we remove it? I think they are useful for such purpose.

https://github.com/llvm/llvm-project/pull/202012