; RUN: opt < %s -loop-simplify
; This function should get a preheader inserted before BB3, that is jumped
; to by BB1 & BB2
;
define void @test() {
br i1 true, label %BB1, label %BB2
BB1: ; preds = %0
br label %BB3
BB2: ; preds = %0
br label %BB3
BB3: ; preds = %BB3, %BB2, %BB1
br label %BB3
}