1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-simplify 2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -passes=loop-simplify 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; This function should get a preheader inserted before BB3, that is jumped 5*9880d681SAndroid Build Coastguard Worker; to by BB1 & BB2 6*9880d681SAndroid Build Coastguard Worker; 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine void @test() { 9*9880d681SAndroid Build Coastguard Worker br i1 true, label %BB1, label %BB2 10*9880d681SAndroid Build Coastguard WorkerBB1: ; preds = %0 11*9880d681SAndroid Build Coastguard Worker br label %BB3 12*9880d681SAndroid Build Coastguard WorkerBB2: ; preds = %0 13*9880d681SAndroid Build Coastguard Worker br label %BB3 14*9880d681SAndroid Build Coastguard WorkerBB3: ; preds = %BB3, %BB2, %BB1 15*9880d681SAndroid Build Coastguard Worker br label %BB3 16*9880d681SAndroid Build Coastguard Worker} 17*9880d681SAndroid Build Coastguard Worker 18