[llvm] [GuardUtils] Revert llvm::isWidenableBranch change (PR #66411)

[Aleksandr Popov via llvm-commits]

================
@@ -2144,6 +2144,31 @@ exit:                                             ; preds = %guarded, %entry
   ret i32 %result
 }
 
+; TODO: Support widenable branch in the form of br((wc and cond0) and cond1)
+define i32 @hoge(i1 %cond0, i1 %cond1, i32 %limit) {
----------------
aleks-tmb wrote:

Seems you are looking at outdated version :-)
Already done

https://github.com/llvm/llvm-project/pull/66411