1*9880d681SAndroid Build Coastguard Worker; RUN: opt -loop-simplify -S < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; LoopSimplify shouldn't split loop backedges that use indirectbr. 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; CHECK: bb1: ; preds = %bb5, %bb 6*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: indirectbr 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker; CHECK: bb5: ; preds = %bb1 9*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: br label %bb1{{$}} 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdefine void @foo(i8* %p) nounwind { 12*9880d681SAndroid Build Coastguard Workerbb: 13*9880d681SAndroid Build Coastguard Worker br label %bb1 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workerbb1: ; preds = %bb5, %bb1, %bb 16*9880d681SAndroid Build Coastguard Worker indirectbr i8* %p, [label %bb6, label %bb7, label %bb1, label %bb2, label %bb3, label %bb5, label %bb4] 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Workerbb2: ; preds = %bb1 19*9880d681SAndroid Build Coastguard Worker ret void 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Workerbb3: ; preds = %bb1 22*9880d681SAndroid Build Coastguard Worker ret void 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Workerbb4: ; preds = %bb1 25*9880d681SAndroid Build Coastguard Worker ret void 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Workerbb5: ; preds = %bb1 28*9880d681SAndroid Build Coastguard Worker br label %bb1 29*9880d681SAndroid Build Coastguard Worker 30*9880d681SAndroid Build Coastguard Workerbb6: ; preds = %bb1 31*9880d681SAndroid Build Coastguard Worker ret void 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Workerbb7: ; preds = %bb1 34*9880d681SAndroid Build Coastguard Worker ret void 35*9880d681SAndroid Build Coastguard Worker} 36