1; RUN: opt < %s -passes="loop-mssa(simple-loop-unswitch)" -verify-memoryssa -disable-output 2 3define void @init_caller_save() { 4entry: 5 br label %cond_true78 6 7cond_true78: ; preds = %bb75, %entry 8 %i.0.0 = phi i32 [ 0, %entry ], [ %tmp74.0, %bb75 ] ; <i32> [#uses=2] 9 br label %bb54 10 11bb54: ; preds = %cond_true78, %bb31 12 br i1 false, label %bb75, label %cond_true64 13 14cond_true64: ; preds = %bb54 15 switch i32 %i.0.0, label %cond_next20 [ 16 i32 17, label %bb31 17 i32 18, label %bb31 18 ] 19 20cond_next20: ; preds = %cond_true64 21 br label %bb31 22 23bb31: ; preds = %cond_true64, %cond_true64, %cond_next20 24 %iftmp.29.1 = phi i32 [ 0, %cond_next20 ], [ 0, %cond_true64 ], [ 0, %cond_true64 ] ; <i32> [#uses=0] 25 br label %bb54 26 27bb75: ; preds = %bb54 28 %tmp74.0 = add i32 %i.0.0, 1 ; <i32> [#uses=1] 29 br label %cond_true78 30} 31 32