Revert "[CodeGenPrepare] Convert `ctpop(X) ==/!= 1` into `ctpop(X) u</u> 2/1`"#111932

dtcxzyw merged 1 commit intomainllvm/llvm-project:mainfrom

revert-111284-perf/is-power2-nonzerollvm/llvm-project:revert-111284-perf/is-power2-nonzeroCopy head branch name to clipboard