[llvm] [Pipeline] Eliminate dead loops introduced by InstCombine (PR #69073)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

@nikic I would like to evaluate the compile-time impact of this PR. Could you please add my fork https://github.com/dtcxzyw/llvm-project to http://llvm-compile-time-tracker.com/?

https://github.com/llvm/llvm-project/pull/69073