1 ; RUN: opt < %s -tailduplicate -disable-output 2 3 declare void @__main() 4 5 define i32 @main() { 6 entry: 7 call void @__main( ) 8 br label %loopentry 9 loopentry: ; preds = %no_exit, %entry 10 %i.0 = phi i32 [ %inc, %no_exit ], [ 0, %entry ] ; <i32> [#uses=3] 11 %tmp.1 = icmp sle i32 %i.0, 99 ; <i1> [#uses=1] 12 br i1 %tmp.1, label %no_exit, label %return 13 no_exit: ; preds = %loopentry 14 %tmp.51 = call i32 @main( ) ; <i32> [#uses=0] 15 %inc = add i32 %i.0, 1 ; <i32> [#uses=1] 16 br label %loopentry 17 return: ; preds = %loopentry 18 ret i32 %i.0 19 } 20 21
