| ; RUN: opt < %s -tailduplicate -disable-output |
| |
| declare void @__main() |
| |
| define i32 @main() { |
| entry: |
| call void @__main( ) |
| br label %loopentry |
| loopentry: ; preds = %no_exit, %entry |
| %i.0 = phi i32 [ %inc, %no_exit ], [ 0, %entry ] ; <i32> [#uses=3] |
| %tmp.1 = icmp sle i32 %i.0, 99 ; <i1> [#uses=1] |
| br i1 %tmp.1, label %no_exit, label %return |
| no_exit: ; preds = %loopentry |
| %tmp.51 = call i32 @main( ) ; <i32> [#uses=0] |
| %inc = add i32 %i.0, 1 ; <i32> [#uses=1] |
| br label %loopentry |
| return: ; preds = %loopentry |
| ret i32 %i.0 |
| } |
| |