[IRCE] Bail out if AddRec in icmp is for another loop (PR58912)

When IRCE runs on outer loop and sees a check of an AddRec of
inner loop, it crashes with an assert in SCEV that the AddRec
must be loop invariant.
This adds a bail out if the AddRec which is checked in icmp
is for another loop.

Fixes https://github.com/llvm/llvm-project/issues/58912.

Differential Revision: https://reviews.llvm.org/D137822