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