[llvm] [LSR] Split the -lsr-term-fold transformation into it's own pass (PR #104234)

[Pengcheng Wang via llvm-commits]

wangpc-pp wrote:

> > `llvm/test/CodeGen/Generic/llc-start-stop.ll` needs to be updated?
> 
> Are you seeing a failure? If so, on which environment? This doesn't fail for me.

On Debian 12 with all targets enabled.
This test tests the next line of `Loop Strength Reduction`, which was `AA` before this patch, but it should be `Loop Terminator Folding` after your patch.
I don't know why CI can't find this failure.

https://github.com/llvm/llvm-project/pull/104234